mirror of
https://github.com/opentofu/opentofu.git
synced 2025-01-09 07:33:58 -06:00
cfb440ea60
Init should only _add_ values, not remove them.
During graph execution, there are steps that expect that a state isn't
being actively pruned out from under it. Namely: writing deposed states.
Writing deposed states has no way to handle if a state changes
underneath it because the only way to uniquely identify a deposed state
is its index in the deposed array. When destroying deposed resources, we
set the value to `<nil>`. If the array is pruned before the next deposed
destroy, then the indexes have changed, and this can cause a crash.
This PR does the following (with more details below):
* `init()` no longer prunes.
* `ReadState()` always prunes before returning. I can't think of a
scenario where this is unsafe since generally we can always START
from a pruned state, its just causing problems to prune
mid-execution.
* Exported State APIs updated to be robust against nil ModuleStates.
Instead, I think we should adopt the following semantics for init/prune
in our structures that support it (Diff, for example). By having
consistent semantics around these functions, we can avoid this in the
future and have set expectations working with them.
* `init()` (in anything) will only ever be additive, and won't change
ordering or existing values. It won't remove values.
* `prune()` is destructive, expectedly.
* Functions on a structure must not assume a pruned structure 100% of
the time. They must be robust to handle nils. This is especially
important because in many cases values such as `Modules` in state
are exported so end users can simply modify them outside of the
exported APIs.
This PR may expose us to unknown crashes but I've tried to cover our
cases in exposed APIs by checking for nil.
1729 lines
30 KiB
Go
1729 lines
30 KiB
Go
package terraform
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"reflect"
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"strings"
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"testing"
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"github.com/hashicorp/terraform/config"
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)
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func TestStateValidate(t *testing.T) {
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cases := map[string]struct {
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In *State
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Err bool
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}{
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"empty state": {
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&State{},
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false,
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},
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"multiple modules": {
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&State{
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Modules: []*ModuleState{
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&ModuleState{
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Path: []string{"root", "foo"},
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},
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&ModuleState{
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Path: []string{"root", "foo"},
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},
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},
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},
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true,
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},
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}
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for name, tc := range cases {
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// Init the state
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tc.In.init()
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err := tc.In.Validate()
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if (err != nil) != tc.Err {
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t.Fatalf("%s: err: %s", name, err)
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}
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}
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}
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func TestStateAddModule(t *testing.T) {
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cases := []struct {
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In [][]string
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Out [][]string
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}{
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{
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[][]string{
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[]string{"root"},
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[]string{"root", "child"},
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},
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[][]string{
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[]string{"root"},
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[]string{"root", "child"},
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},
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},
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{
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[][]string{
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[]string{"root", "foo", "bar"},
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[]string{"root", "foo"},
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[]string{"root"},
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[]string{"root", "bar"},
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},
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[][]string{
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[]string{"root"},
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[]string{"root", "bar"},
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[]string{"root", "foo"},
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[]string{"root", "foo", "bar"},
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},
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},
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// Same last element, different middle element
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{
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[][]string{
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[]string{"root", "foo", "bar"}, // This one should sort after...
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[]string{"root", "foo"},
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[]string{"root"},
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[]string{"root", "bar", "bar"}, // ...this one.
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[]string{"root", "bar"},
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},
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[][]string{
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[]string{"root"},
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[]string{"root", "bar"},
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[]string{"root", "foo"},
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[]string{"root", "bar", "bar"},
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[]string{"root", "foo", "bar"},
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},
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},
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}
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for _, tc := range cases {
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s := new(State)
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for _, p := range tc.In {
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s.AddModule(p)
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}
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actual := make([][]string, 0, len(tc.In))
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for _, m := range s.Modules {
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actual = append(actual, m.Path)
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}
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if !reflect.DeepEqual(actual, tc.Out) {
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t.Fatalf("In: %#v\n\nOut: %#v", tc.In, actual)
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}
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}
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}
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func TestStateOutputTypeRoundTrip(t *testing.T) {
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state := &State{
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Modules: []*ModuleState{
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&ModuleState{
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Path: RootModulePath,
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Outputs: map[string]*OutputState{
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"string_output": &OutputState{
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Value: "String Value",
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Type: "string",
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},
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},
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},
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},
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}
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state.init()
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buf := new(bytes.Buffer)
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if err := WriteState(state, buf); err != nil {
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t.Fatalf("err: %s", err)
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}
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roundTripped, err := ReadState(buf)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if !reflect.DeepEqual(state, roundTripped) {
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t.Logf("expected:\n%#v", state)
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t.Fatalf("got:\n%#v", roundTripped)
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}
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}
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func TestStateModuleOrphans(t *testing.T) {
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state := &State{
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Modules: []*ModuleState{
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&ModuleState{
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Path: RootModulePath,
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},
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&ModuleState{
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Path: []string{RootModuleName, "foo"},
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},
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&ModuleState{
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Path: []string{RootModuleName, "bar"},
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},
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},
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}
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state.init()
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config := testModule(t, "state-module-orphans").Config()
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actual := state.ModuleOrphans(RootModulePath, config)
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expected := [][]string{
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[]string{RootModuleName, "foo"},
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}
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if !reflect.DeepEqual(actual, expected) {
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t.Fatalf("bad: %#v", actual)
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}
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}
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func TestStateModuleOrphans_nested(t *testing.T) {
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state := &State{
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Modules: []*ModuleState{
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&ModuleState{
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Path: RootModulePath,
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},
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&ModuleState{
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Path: []string{RootModuleName, "foo", "bar"},
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},
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},
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}
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state.init()
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actual := state.ModuleOrphans(RootModulePath, nil)
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expected := [][]string{
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[]string{RootModuleName, "foo"},
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}
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if !reflect.DeepEqual(actual, expected) {
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t.Fatalf("bad: %#v", actual)
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}
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}
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func TestStateModuleOrphans_nilConfig(t *testing.T) {
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state := &State{
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Modules: []*ModuleState{
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&ModuleState{
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Path: RootModulePath,
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},
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&ModuleState{
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Path: []string{RootModuleName, "foo"},
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},
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&ModuleState{
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Path: []string{RootModuleName, "bar"},
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},
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},
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}
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state.init()
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actual := state.ModuleOrphans(RootModulePath, nil)
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expected := [][]string{
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[]string{RootModuleName, "foo"},
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[]string{RootModuleName, "bar"},
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}
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if !reflect.DeepEqual(actual, expected) {
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t.Fatalf("bad: %#v", actual)
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}
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}
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func TestStateModuleOrphans_deepNestedNilConfig(t *testing.T) {
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state := &State{
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Modules: []*ModuleState{
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&ModuleState{
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Path: RootModulePath,
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},
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&ModuleState{
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Path: []string{RootModuleName, "parent", "childfoo"},
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},
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&ModuleState{
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Path: []string{RootModuleName, "parent", "childbar"},
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},
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},
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}
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state.init()
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actual := state.ModuleOrphans(RootModulePath, nil)
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expected := [][]string{
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[]string{RootModuleName, "parent"},
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}
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if !reflect.DeepEqual(actual, expected) {
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t.Fatalf("bad: %#v", actual)
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}
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}
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func TestStateDeepCopy(t *testing.T) {
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cases := []struct {
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State *State
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}{
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// Version
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{
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&State{Version: 5},
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},
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// TFVersion
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{
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&State{TFVersion: "5"},
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},
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// Modules
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{
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&State{
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Version: 6,
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Modules: []*ModuleState{
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&ModuleState{
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Path: rootModulePath,
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Resources: map[string]*ResourceState{
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"test_instance.foo": &ResourceState{
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Primary: &InstanceState{
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Meta: map[string]string{},
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},
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},
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},
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},
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},
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},
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},
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// Deposed
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// The nil values shouldn't be there if the State was properly init'ed,
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// but the Copy should still work anyway.
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{
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&State{
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Version: 6,
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Modules: []*ModuleState{
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&ModuleState{
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Path: rootModulePath,
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Resources: map[string]*ResourceState{
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"test_instance.foo": &ResourceState{
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Primary: &InstanceState{
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Meta: map[string]string{},
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},
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Deposed: []*InstanceState{
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{ID: "test"},
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nil,
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},
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},
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},
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},
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},
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},
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},
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}
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for i, tc := range cases {
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t.Run(fmt.Sprintf("copy-%d", i), func(t *testing.T) {
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actual := tc.State.DeepCopy()
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expected := tc.State
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if !reflect.DeepEqual(actual, expected) {
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t.Fatalf("Expected: %#v\nRecevied: %#v\n", expected, actual)
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}
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})
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}
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}
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func TestStateEqual(t *testing.T) {
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cases := []struct {
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Result bool
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One, Two *State
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}{
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// Nils
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{
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false,
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nil,
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&State{Version: 2},
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},
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{
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true,
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nil,
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nil,
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},
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// Different versions
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{
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false,
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&State{Version: 5},
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&State{Version: 2},
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},
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// Different modules
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{
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false,
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&State{
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Modules: []*ModuleState{
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&ModuleState{
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Path: RootModulePath,
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},
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},
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},
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&State{},
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},
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{
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true,
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&State{
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Modules: []*ModuleState{
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&ModuleState{
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Path: RootModulePath,
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},
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},
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},
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&State{
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Modules: []*ModuleState{
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&ModuleState{
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Path: RootModulePath,
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},
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},
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},
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},
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// Meta differs
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{
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false,
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&State{
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Modules: []*ModuleState{
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&ModuleState{
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Path: rootModulePath,
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Resources: map[string]*ResourceState{
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"test_instance.foo": &ResourceState{
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Primary: &InstanceState{
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Meta: map[string]string{
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"schema_version": "1",
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},
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},
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},
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},
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},
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},
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},
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&State{
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Modules: []*ModuleState{
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&ModuleState{
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Path: rootModulePath,
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Resources: map[string]*ResourceState{
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"test_instance.foo": &ResourceState{
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Primary: &InstanceState{
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Meta: map[string]string{
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"schema_version": "2",
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},
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},
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},
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},
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},
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},
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},
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},
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}
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for i, tc := range cases {
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if tc.One.Equal(tc.Two) != tc.Result {
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t.Fatalf("Bad: %d\n\n%s\n\n%s", i, tc.One.String(), tc.Two.String())
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}
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if tc.Two.Equal(tc.One) != tc.Result {
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t.Fatalf("Bad: %d\n\n%s\n\n%s", i, tc.One.String(), tc.Two.String())
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}
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}
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}
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func TestStateCompareAges(t *testing.T) {
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cases := []struct {
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Result StateAgeComparison
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Err bool
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One, Two *State
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}{
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{
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StateAgeEqual, false,
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&State{
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Lineage: "1",
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Serial: 2,
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},
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&State{
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Lineage: "1",
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Serial: 2,
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},
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},
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{
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StateAgeReceiverOlder, false,
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&State{
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Lineage: "1",
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Serial: 2,
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},
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&State{
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Lineage: "1",
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Serial: 3,
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},
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},
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{
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StateAgeReceiverNewer, false,
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&State{
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Lineage: "1",
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Serial: 3,
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},
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&State{
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Lineage: "1",
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Serial: 2,
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},
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},
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{
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StateAgeEqual, true,
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&State{
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Lineage: "1",
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Serial: 2,
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},
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&State{
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Lineage: "2",
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Serial: 2,
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},
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},
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{
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StateAgeEqual, true,
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&State{
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Lineage: "1",
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Serial: 3,
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},
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&State{
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Lineage: "2",
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Serial: 2,
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},
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},
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}
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for i, tc := range cases {
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result, err := tc.One.CompareAges(tc.Two)
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if err != nil && !tc.Err {
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t.Errorf(
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"%d: got error, but want success\n\n%s\n\n%s",
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i, tc.One, tc.Two,
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)
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continue
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}
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if err == nil && tc.Err {
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t.Errorf(
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"%d: got success, but want error\n\n%s\n\n%s",
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i, tc.One, tc.Two,
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)
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continue
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}
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|
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if result != tc.Result {
|
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t.Errorf(
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"%d: got result %d, but want %d\n\n%s\n\n%s",
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i, result, tc.Result, tc.One, tc.Two,
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)
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continue
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}
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}
|
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}
|
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|
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func TestStateSameLineage(t *testing.T) {
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cases := []struct {
|
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Result bool
|
|
One, Two *State
|
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}{
|
|
{
|
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true,
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&State{
|
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Lineage: "1",
|
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},
|
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&State{
|
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Lineage: "1",
|
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},
|
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},
|
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{
|
|
// Empty lineage is compatible with all
|
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true,
|
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&State{
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Lineage: "",
|
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},
|
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&State{
|
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Lineage: "1",
|
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},
|
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},
|
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{
|
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// Empty lineage is compatible with all
|
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true,
|
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&State{
|
|
Lineage: "1",
|
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},
|
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&State{
|
|
Lineage: "",
|
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},
|
|
},
|
|
{
|
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false,
|
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&State{
|
|
Lineage: "1",
|
|
},
|
|
&State{
|
|
Lineage: "2",
|
|
},
|
|
},
|
|
}
|
|
|
|
for i, tc := range cases {
|
|
result := tc.One.SameLineage(tc.Two)
|
|
|
|
if result != tc.Result {
|
|
t.Errorf(
|
|
"%d: got %v, but want %v\n\n%s\n\n%s",
|
|
i, result, tc.Result, tc.One, tc.Two,
|
|
)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestStateIncrementSerialMaybe(t *testing.T) {
|
|
cases := map[string]struct {
|
|
S1, S2 *State
|
|
Serial int64
|
|
}{
|
|
"S2 is nil": {
|
|
&State{},
|
|
nil,
|
|
0,
|
|
},
|
|
"S2 is identical": {
|
|
&State{},
|
|
&State{},
|
|
0,
|
|
},
|
|
"S2 is different": {
|
|
&State{},
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{Path: rootModulePath},
|
|
},
|
|
},
|
|
1,
|
|
},
|
|
"S2 is different, but only via Instance Metadata": {
|
|
&State{
|
|
Serial: 3,
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo": &ResourceState{
|
|
Primary: &InstanceState{
|
|
Meta: map[string]string{},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
&State{
|
|
Serial: 3,
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo": &ResourceState{
|
|
Primary: &InstanceState{
|
|
Meta: map[string]string{
|
|
"schema_version": "1",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
4,
|
|
},
|
|
"S1 serial is higher": {
|
|
&State{Serial: 5},
|
|
&State{
|
|
Serial: 3,
|
|
Modules: []*ModuleState{
|
|
&ModuleState{Path: rootModulePath},
|
|
},
|
|
},
|
|
5,
|
|
},
|
|
"S2 has a different TFVersion": {
|
|
&State{TFVersion: "0.1"},
|
|
&State{TFVersion: "0.2"},
|
|
1,
|
|
},
|
|
}
|
|
|
|
for name, tc := range cases {
|
|
tc.S1.IncrementSerialMaybe(tc.S2)
|
|
if tc.S1.Serial != tc.Serial {
|
|
t.Fatalf("Bad: %s\nGot: %d", name, tc.S1.Serial)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestStateRemove(t *testing.T) {
|
|
cases := map[string]struct {
|
|
Address string
|
|
One, Two *State
|
|
}{
|
|
"simple resource": {
|
|
"test_instance.foo",
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
|
|
"test_instance.bar": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.bar": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
"single instance": {
|
|
"test_instance.foo.primary",
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
"single instance in multi-count": {
|
|
"test_instance.foo[0]",
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo.0": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
|
|
"test_instance.foo.1": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo.1": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
"single resource, multi-count": {
|
|
"test_instance.foo",
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo.0": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
|
|
"test_instance.foo.1": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
"full module": {
|
|
"module.foo",
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
&ModuleState{
|
|
Path: []string{"root", "foo"},
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
|
|
"test_instance.bar": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
"module and children": {
|
|
"module.foo",
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
&ModuleState{
|
|
Path: []string{"root", "foo"},
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
|
|
"test_instance.bar": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
&ModuleState{
|
|
Path: []string{"root", "foo", "bar"},
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
|
|
"test_instance.bar": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Resources: map[string]*ResourceState{
|
|
"test_instance.foo": &ResourceState{
|
|
Type: "test_instance",
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for k, tc := range cases {
|
|
if err := tc.One.Remove(tc.Address); err != nil {
|
|
t.Fatalf("bad: %s\n\n%s", k, err)
|
|
}
|
|
|
|
if !tc.One.Equal(tc.Two) {
|
|
t.Fatalf("Bad: %s\n\n%s\n\n%s", k, tc.One.String(), tc.Two.String())
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestResourceStateEqual(t *testing.T) {
|
|
cases := []struct {
|
|
Result bool
|
|
One, Two *ResourceState
|
|
}{
|
|
// Different types
|
|
{
|
|
false,
|
|
&ResourceState{Type: "foo"},
|
|
&ResourceState{Type: "bar"},
|
|
},
|
|
|
|
// Different dependencies
|
|
{
|
|
false,
|
|
&ResourceState{Dependencies: []string{"foo"}},
|
|
&ResourceState{Dependencies: []string{"bar"}},
|
|
},
|
|
|
|
{
|
|
false,
|
|
&ResourceState{Dependencies: []string{"foo", "bar"}},
|
|
&ResourceState{Dependencies: []string{"foo"}},
|
|
},
|
|
|
|
{
|
|
true,
|
|
&ResourceState{Dependencies: []string{"bar", "foo"}},
|
|
&ResourceState{Dependencies: []string{"foo", "bar"}},
|
|
},
|
|
|
|
// Different primaries
|
|
{
|
|
false,
|
|
&ResourceState{Primary: nil},
|
|
&ResourceState{Primary: &InstanceState{ID: "foo"}},
|
|
},
|
|
|
|
{
|
|
true,
|
|
&ResourceState{Primary: &InstanceState{ID: "foo"}},
|
|
&ResourceState{Primary: &InstanceState{ID: "foo"}},
|
|
},
|
|
|
|
// Different tainted
|
|
{
|
|
false,
|
|
&ResourceState{
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
},
|
|
},
|
|
&ResourceState{
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
Tainted: true,
|
|
},
|
|
},
|
|
},
|
|
|
|
{
|
|
true,
|
|
&ResourceState{
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
Tainted: true,
|
|
},
|
|
},
|
|
&ResourceState{
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
Tainted: true,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for i, tc := range cases {
|
|
if tc.One.Equal(tc.Two) != tc.Result {
|
|
t.Fatalf("Bad: %d\n\n%s\n\n%s", i, tc.One.String(), tc.Two.String())
|
|
}
|
|
if tc.Two.Equal(tc.One) != tc.Result {
|
|
t.Fatalf("Bad: %d\n\n%s\n\n%s", i, tc.One.String(), tc.Two.String())
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestResourceStateTaint(t *testing.T) {
|
|
cases := map[string]struct {
|
|
Input *ResourceState
|
|
Output *ResourceState
|
|
}{
|
|
"no primary": {
|
|
&ResourceState{},
|
|
&ResourceState{},
|
|
},
|
|
|
|
"primary, not tainted": {
|
|
&ResourceState{
|
|
Primary: &InstanceState{ID: "foo"},
|
|
},
|
|
&ResourceState{
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
Tainted: true,
|
|
},
|
|
},
|
|
},
|
|
|
|
"primary, tainted": {
|
|
&ResourceState{
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
Tainted: true,
|
|
},
|
|
},
|
|
&ResourceState{
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
Tainted: true,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for k, tc := range cases {
|
|
tc.Input.Taint()
|
|
if !reflect.DeepEqual(tc.Input, tc.Output) {
|
|
t.Fatalf(
|
|
"Failure: %s\n\nExpected: %#v\n\nGot: %#v",
|
|
k, tc.Output, tc.Input)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestResourceStateUntaint(t *testing.T) {
|
|
cases := map[string]struct {
|
|
Input *ResourceState
|
|
ExpectedOutput *ResourceState
|
|
}{
|
|
"no primary, err": {
|
|
Input: &ResourceState{},
|
|
ExpectedOutput: &ResourceState{},
|
|
},
|
|
|
|
"primary, not tainted": {
|
|
Input: &ResourceState{
|
|
Primary: &InstanceState{ID: "foo"},
|
|
},
|
|
ExpectedOutput: &ResourceState{
|
|
Primary: &InstanceState{ID: "foo"},
|
|
},
|
|
},
|
|
"primary, tainted": {
|
|
Input: &ResourceState{
|
|
Primary: &InstanceState{
|
|
ID: "foo",
|
|
Tainted: true,
|
|
},
|
|
},
|
|
ExpectedOutput: &ResourceState{
|
|
Primary: &InstanceState{ID: "foo"},
|
|
},
|
|
},
|
|
}
|
|
|
|
for k, tc := range cases {
|
|
tc.Input.Untaint()
|
|
if !reflect.DeepEqual(tc.Input, tc.ExpectedOutput) {
|
|
t.Fatalf(
|
|
"Failure: %s\n\nExpected: %#v\n\nGot: %#v",
|
|
k, tc.ExpectedOutput, tc.Input)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestInstanceStateEmpty(t *testing.T) {
|
|
cases := map[string]struct {
|
|
In *InstanceState
|
|
Result bool
|
|
}{
|
|
"nil is empty": {
|
|
nil,
|
|
true,
|
|
},
|
|
"non-nil but without ID is empty": {
|
|
&InstanceState{},
|
|
true,
|
|
},
|
|
"with ID is not empty": {
|
|
&InstanceState{
|
|
ID: "i-abc123",
|
|
},
|
|
false,
|
|
},
|
|
}
|
|
|
|
for tn, tc := range cases {
|
|
if tc.In.Empty() != tc.Result {
|
|
t.Fatalf("%q expected %#v to be empty: %#v", tn, tc.In, tc.Result)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestInstanceStateEqual(t *testing.T) {
|
|
cases := []struct {
|
|
Result bool
|
|
One, Two *InstanceState
|
|
}{
|
|
// Nils
|
|
{
|
|
false,
|
|
nil,
|
|
&InstanceState{},
|
|
},
|
|
|
|
{
|
|
false,
|
|
&InstanceState{},
|
|
nil,
|
|
},
|
|
|
|
// Different IDs
|
|
{
|
|
false,
|
|
&InstanceState{ID: "foo"},
|
|
&InstanceState{ID: "bar"},
|
|
},
|
|
|
|
// Different Attributes
|
|
{
|
|
false,
|
|
&InstanceState{Attributes: map[string]string{"foo": "bar"}},
|
|
&InstanceState{Attributes: map[string]string{"foo": "baz"}},
|
|
},
|
|
|
|
// Different Attribute keys
|
|
{
|
|
false,
|
|
&InstanceState{Attributes: map[string]string{"foo": "bar"}},
|
|
&InstanceState{Attributes: map[string]string{"bar": "baz"}},
|
|
},
|
|
|
|
{
|
|
false,
|
|
&InstanceState{Attributes: map[string]string{"bar": "baz"}},
|
|
&InstanceState{Attributes: map[string]string{"foo": "bar"}},
|
|
},
|
|
}
|
|
|
|
for i, tc := range cases {
|
|
if tc.One.Equal(tc.Two) != tc.Result {
|
|
t.Fatalf("Bad: %d\n\n%s\n\n%s", i, tc.One.String(), tc.Two.String())
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestStateEmpty(t *testing.T) {
|
|
cases := []struct {
|
|
In *State
|
|
Result bool
|
|
}{
|
|
{
|
|
nil,
|
|
true,
|
|
},
|
|
{
|
|
&State{},
|
|
true,
|
|
},
|
|
{
|
|
&State{
|
|
Remote: &RemoteState{Type: "foo"},
|
|
},
|
|
true,
|
|
},
|
|
{
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{},
|
|
},
|
|
},
|
|
false,
|
|
},
|
|
}
|
|
|
|
for i, tc := range cases {
|
|
if tc.In.Empty() != tc.Result {
|
|
t.Fatalf("bad %d %#v:\n\n%#v", i, tc.Result, tc.In)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestStateHasResources(t *testing.T) {
|
|
cases := []struct {
|
|
In *State
|
|
Result bool
|
|
}{
|
|
{
|
|
nil,
|
|
false,
|
|
},
|
|
{
|
|
&State{},
|
|
false,
|
|
},
|
|
{
|
|
&State{
|
|
Remote: &RemoteState{Type: "foo"},
|
|
},
|
|
false,
|
|
},
|
|
{
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{},
|
|
},
|
|
},
|
|
false,
|
|
},
|
|
{
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{},
|
|
&ModuleState{},
|
|
},
|
|
},
|
|
false,
|
|
},
|
|
{
|
|
&State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{},
|
|
&ModuleState{
|
|
Resources: map[string]*ResourceState{
|
|
"foo.foo": &ResourceState{},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
true,
|
|
},
|
|
}
|
|
|
|
for i, tc := range cases {
|
|
if tc.In.HasResources() != tc.Result {
|
|
t.Fatalf("bad %d %#v:\n\n%#v", i, tc.Result, tc.In)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestStateFromFutureTerraform(t *testing.T) {
|
|
cases := []struct {
|
|
In string
|
|
Result bool
|
|
}{
|
|
{
|
|
"",
|
|
false,
|
|
},
|
|
{
|
|
"0.1",
|
|
false,
|
|
},
|
|
{
|
|
"999.15.1",
|
|
true,
|
|
},
|
|
}
|
|
|
|
for _, tc := range cases {
|
|
state := &State{TFVersion: tc.In}
|
|
actual := state.FromFutureTerraform()
|
|
if actual != tc.Result {
|
|
t.Fatalf("%s: bad: %v", tc.In, actual)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestStateIsRemote(t *testing.T) {
|
|
cases := []struct {
|
|
In *State
|
|
Result bool
|
|
}{
|
|
{
|
|
nil,
|
|
false,
|
|
},
|
|
{
|
|
&State{},
|
|
false,
|
|
},
|
|
{
|
|
&State{
|
|
Remote: &RemoteState{Type: "foo"},
|
|
},
|
|
true,
|
|
},
|
|
}
|
|
|
|
for i, tc := range cases {
|
|
if tc.In.IsRemote() != tc.Result {
|
|
t.Fatalf("bad %d %#v:\n\n%#v", i, tc.Result, tc.In)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestInstanceState_MergeDiff(t *testing.T) {
|
|
is := InstanceState{
|
|
ID: "foo",
|
|
Attributes: map[string]string{
|
|
"foo": "bar",
|
|
"port": "8000",
|
|
},
|
|
}
|
|
|
|
diff := &InstanceDiff{
|
|
Attributes: map[string]*ResourceAttrDiff{
|
|
"foo": &ResourceAttrDiff{
|
|
Old: "bar",
|
|
New: "baz",
|
|
},
|
|
"bar": &ResourceAttrDiff{
|
|
Old: "",
|
|
New: "foo",
|
|
},
|
|
"baz": &ResourceAttrDiff{
|
|
Old: "",
|
|
New: "foo",
|
|
NewComputed: true,
|
|
},
|
|
"port": &ResourceAttrDiff{
|
|
NewRemoved: true,
|
|
},
|
|
},
|
|
}
|
|
|
|
is2 := is.MergeDiff(diff)
|
|
|
|
expected := map[string]string{
|
|
"foo": "baz",
|
|
"bar": "foo",
|
|
"baz": config.UnknownVariableValue,
|
|
}
|
|
|
|
if !reflect.DeepEqual(expected, is2.Attributes) {
|
|
t.Fatalf("bad: %#v", is2.Attributes)
|
|
}
|
|
}
|
|
|
|
func TestInstanceState_MergeDiff_nil(t *testing.T) {
|
|
var is *InstanceState
|
|
|
|
diff := &InstanceDiff{
|
|
Attributes: map[string]*ResourceAttrDiff{
|
|
"foo": &ResourceAttrDiff{
|
|
Old: "",
|
|
New: "baz",
|
|
},
|
|
},
|
|
}
|
|
|
|
is2 := is.MergeDiff(diff)
|
|
|
|
expected := map[string]string{
|
|
"foo": "baz",
|
|
}
|
|
|
|
if !reflect.DeepEqual(expected, is2.Attributes) {
|
|
t.Fatalf("bad: %#v", is2.Attributes)
|
|
}
|
|
}
|
|
|
|
func TestInstanceState_MergeDiff_nilDiff(t *testing.T) {
|
|
is := InstanceState{
|
|
ID: "foo",
|
|
Attributes: map[string]string{
|
|
"foo": "bar",
|
|
},
|
|
}
|
|
|
|
is2 := is.MergeDiff(nil)
|
|
|
|
expected := map[string]string{
|
|
"foo": "bar",
|
|
}
|
|
|
|
if !reflect.DeepEqual(expected, is2.Attributes) {
|
|
t.Fatalf("bad: %#v", is2.Attributes)
|
|
}
|
|
}
|
|
|
|
func TestReadWriteState(t *testing.T) {
|
|
state := &State{
|
|
Serial: 9,
|
|
Lineage: "5d1ad1a1-4027-4665-a908-dbe6adff11d8",
|
|
Remote: &RemoteState{
|
|
Type: "http",
|
|
Config: map[string]string{
|
|
"url": "http://my-cool-server.com/",
|
|
},
|
|
},
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: rootModulePath,
|
|
Dependencies: []string{
|
|
"aws_instance.bar",
|
|
},
|
|
Resources: map[string]*ResourceState{
|
|
"foo": &ResourceState{
|
|
Primary: &InstanceState{
|
|
ID: "bar",
|
|
Ephemeral: EphemeralState{
|
|
ConnInfo: map[string]string{
|
|
"type": "ssh",
|
|
"user": "root",
|
|
"password": "supersecret",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
state.init()
|
|
|
|
buf := new(bytes.Buffer)
|
|
if err := WriteState(state, buf); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// Verify that the version and serial are set
|
|
if state.Version != StateVersion {
|
|
t.Fatalf("bad version number: %d", state.Version)
|
|
}
|
|
|
|
actual, err := ReadState(buf)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// ReadState should not restore sensitive information!
|
|
mod := state.RootModule()
|
|
mod.Resources["foo"].Primary.Ephemeral = EphemeralState{}
|
|
mod.Resources["foo"].Primary.Ephemeral.init()
|
|
|
|
if !reflect.DeepEqual(actual, state) {
|
|
t.Logf("expected:\n%#v", state)
|
|
t.Fatalf("got:\n%#v", actual)
|
|
}
|
|
}
|
|
|
|
func TestReadStateNewVersion(t *testing.T) {
|
|
type out struct {
|
|
Version int
|
|
}
|
|
|
|
buf, err := json.Marshal(&out{StateVersion + 1})
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
s, err := ReadState(bytes.NewReader(buf))
|
|
if s != nil {
|
|
t.Fatalf("unexpected: %#v", s)
|
|
}
|
|
if !strings.Contains(err.Error(), "does not support state version") {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestReadStateTFVersion(t *testing.T) {
|
|
type tfVersion struct {
|
|
Version int `json:"version"`
|
|
TFVersion string `json:"terraform_version"`
|
|
}
|
|
|
|
cases := []struct {
|
|
Written string
|
|
Read string
|
|
Err bool
|
|
}{
|
|
{
|
|
"0.0.0",
|
|
"0.0.0",
|
|
false,
|
|
},
|
|
{
|
|
"",
|
|
"",
|
|
false,
|
|
},
|
|
{
|
|
"bad",
|
|
"",
|
|
true,
|
|
},
|
|
}
|
|
|
|
for _, tc := range cases {
|
|
buf, err := json.Marshal(&tfVersion{
|
|
Version: 2,
|
|
TFVersion: tc.Written,
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
s, err := ReadState(bytes.NewReader(buf))
|
|
if (err != nil) != tc.Err {
|
|
t.Fatalf("%s: err: %s", tc.Written, err)
|
|
}
|
|
if err != nil {
|
|
continue
|
|
}
|
|
|
|
if s.TFVersion != tc.Read {
|
|
t.Fatalf("%s: bad: %s", tc.Written, s.TFVersion)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestWriteStateTFVersion(t *testing.T) {
|
|
cases := []struct {
|
|
Write string
|
|
Read string
|
|
Err bool
|
|
}{
|
|
{
|
|
"0.0.0",
|
|
"0.0.0",
|
|
false,
|
|
},
|
|
{
|
|
"",
|
|
"",
|
|
false,
|
|
},
|
|
{
|
|
"bad",
|
|
"",
|
|
true,
|
|
},
|
|
}
|
|
|
|
for _, tc := range cases {
|
|
var buf bytes.Buffer
|
|
err := WriteState(&State{TFVersion: tc.Write}, &buf)
|
|
if (err != nil) != tc.Err {
|
|
t.Fatalf("%s: err: %s", tc.Write, err)
|
|
}
|
|
if err != nil {
|
|
continue
|
|
}
|
|
|
|
s, err := ReadState(&buf)
|
|
if err != nil {
|
|
t.Fatalf("%s: err: %s", tc.Write, err)
|
|
}
|
|
|
|
if s.TFVersion != tc.Read {
|
|
t.Fatalf("%s: bad: %s", tc.Write, s.TFVersion)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestParseResourceStateKey(t *testing.T) {
|
|
cases := []struct {
|
|
Input string
|
|
Expected *ResourceStateKey
|
|
ExpectedErr bool
|
|
}{
|
|
{
|
|
Input: "aws_instance.foo.3",
|
|
Expected: &ResourceStateKey{
|
|
Mode: config.ManagedResourceMode,
|
|
Type: "aws_instance",
|
|
Name: "foo",
|
|
Index: 3,
|
|
},
|
|
},
|
|
{
|
|
Input: "aws_instance.foo.0",
|
|
Expected: &ResourceStateKey{
|
|
Mode: config.ManagedResourceMode,
|
|
Type: "aws_instance",
|
|
Name: "foo",
|
|
Index: 0,
|
|
},
|
|
},
|
|
{
|
|
Input: "aws_instance.foo",
|
|
Expected: &ResourceStateKey{
|
|
Mode: config.ManagedResourceMode,
|
|
Type: "aws_instance",
|
|
Name: "foo",
|
|
Index: -1,
|
|
},
|
|
},
|
|
{
|
|
Input: "data.aws_ami.foo",
|
|
Expected: &ResourceStateKey{
|
|
Mode: config.DataResourceMode,
|
|
Type: "aws_ami",
|
|
Name: "foo",
|
|
Index: -1,
|
|
},
|
|
},
|
|
{
|
|
Input: "aws_instance.foo.malformed",
|
|
ExpectedErr: true,
|
|
},
|
|
{
|
|
Input: "aws_instance.foo.malformedwithnumber.123",
|
|
ExpectedErr: true,
|
|
},
|
|
{
|
|
Input: "malformed",
|
|
ExpectedErr: true,
|
|
},
|
|
}
|
|
for _, tc := range cases {
|
|
rsk, err := ParseResourceStateKey(tc.Input)
|
|
if rsk != nil && tc.Expected != nil && !rsk.Equal(tc.Expected) {
|
|
t.Fatalf("%s: expected %s, got %s", tc.Input, tc.Expected, rsk)
|
|
}
|
|
if (err != nil) != tc.ExpectedErr {
|
|
t.Fatalf("%s: expected err: %t, got %s", tc.Input, tc.ExpectedErr, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestStateModuleOrphans_empty(t *testing.T) {
|
|
state := &State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{
|
|
Path: RootModulePath,
|
|
},
|
|
&ModuleState{
|
|
Path: []string{RootModuleName, "foo", "bar"},
|
|
},
|
|
&ModuleState{
|
|
Path: []string{},
|
|
},
|
|
nil,
|
|
},
|
|
}
|
|
|
|
state.init()
|
|
|
|
// just calling this to check for panic
|
|
state.ModuleOrphans(RootModulePath, nil)
|
|
}
|
|
|
|
func TestReadState_prune(t *testing.T) {
|
|
state := &State{
|
|
Modules: []*ModuleState{
|
|
&ModuleState{Path: rootModulePath},
|
|
nil,
|
|
},
|
|
}
|
|
state.init()
|
|
|
|
buf := new(bytes.Buffer)
|
|
if err := WriteState(state, buf); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
actual, err := ReadState(buf)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
expected := &State{
|
|
Version: state.Version,
|
|
Lineage: state.Lineage,
|
|
}
|
|
expected.init()
|
|
|
|
if !reflect.DeepEqual(actual, expected) {
|
|
t.Fatalf("got:\n%#v", actual)
|
|
}
|
|
}
|