mirror of
https://github.com/opentofu/opentofu.git
synced 2025-02-16 18:35:03 -06:00
05c0998d2d
We were only comparing the last element of the module, which meant that deeply nested modules with the same name but different ancestry had an undefined sort order, which could cause inconsistencies in state storage and potentially break remote state MD5 checksumming.
898 lines
16 KiB
Go
898 lines
16 KiB
Go
package terraform
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import (
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"bytes"
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"encoding/json"
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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 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 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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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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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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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 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 TestStateIncrementSerialMaybe(t *testing.T) {
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cases := map[string]struct {
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S1, S2 *State
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Serial int64
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}{
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"S2 is nil": {
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&State{},
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nil,
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0,
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},
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"S2 is identical": {
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&State{},
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&State{},
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0,
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},
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"S2 is different": {
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&State{},
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&State{
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Modules: []*ModuleState{
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&ModuleState{Path: rootModulePath},
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},
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},
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1,
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},
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"S2 is different, but only via Instance Metadata": {
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&State{
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Serial: 3,
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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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&State{
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Serial: 3,
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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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4,
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},
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"S1 serial is higher": {
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&State{Serial: 5},
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&State{
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Serial: 3,
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Modules: []*ModuleState{
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&ModuleState{Path: rootModulePath},
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},
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},
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5,
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},
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}
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for name, tc := range cases {
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tc.S1.IncrementSerialMaybe(tc.S2)
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if tc.S1.Serial != tc.Serial {
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t.Fatalf("Bad: %s\nGot: %d", name, tc.S1.Serial)
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}
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}
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}
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func TestResourceStateEqual(t *testing.T) {
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cases := []struct {
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Result bool
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One, Two *ResourceState
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}{
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// Different types
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{
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false,
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&ResourceState{Type: "foo"},
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&ResourceState{Type: "bar"},
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},
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// Different dependencies
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{
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false,
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&ResourceState{Dependencies: []string{"foo"}},
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&ResourceState{Dependencies: []string{"bar"}},
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},
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{
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false,
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&ResourceState{Dependencies: []string{"foo", "bar"}},
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&ResourceState{Dependencies: []string{"foo"}},
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},
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{
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true,
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&ResourceState{Dependencies: []string{"bar", "foo"}},
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&ResourceState{Dependencies: []string{"foo", "bar"}},
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},
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// Different primaries
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{
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false,
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&ResourceState{Primary: nil},
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&ResourceState{Primary: &InstanceState{ID: "foo"}},
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},
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{
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true,
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&ResourceState{Primary: &InstanceState{ID: "foo"}},
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&ResourceState{Primary: &InstanceState{ID: "foo"}},
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},
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// Different tainted
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{
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false,
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&ResourceState{
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Tainted: nil,
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},
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&ResourceState{
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Tainted: []*InstanceState{
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&InstanceState{ID: "foo"},
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},
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},
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},
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{
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true,
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&ResourceState{
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Tainted: []*InstanceState{
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&InstanceState{ID: "foo"},
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},
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},
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&ResourceState{
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Tainted: []*InstanceState{
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&InstanceState{ID: "foo"},
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},
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},
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},
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{
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true,
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&ResourceState{
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Tainted: []*InstanceState{
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&InstanceState{ID: "foo"},
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nil,
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},
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},
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&ResourceState{
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Tainted: []*InstanceState{
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&InstanceState{ID: "foo"},
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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 TestResourceStateTaint(t *testing.T) {
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cases := map[string]struct {
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Input *ResourceState
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Output *ResourceState
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}{
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"no primary": {
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&ResourceState{},
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&ResourceState{},
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},
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"primary, no tainted": {
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&ResourceState{
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Primary: &InstanceState{ID: "foo"},
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},
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&ResourceState{
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Tainted: []*InstanceState{
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&InstanceState{ID: "foo"},
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},
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},
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},
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"primary, with tainted": {
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&ResourceState{
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Primary: &InstanceState{ID: "foo"},
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Tainted: []*InstanceState{
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&InstanceState{ID: "bar"},
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},
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},
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&ResourceState{
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Tainted: []*InstanceState{
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&InstanceState{ID: "bar"},
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&InstanceState{ID: "foo"},
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},
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},
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},
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}
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for k, tc := range cases {
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tc.Input.Taint()
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if !reflect.DeepEqual(tc.Input, tc.Output) {
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t.Fatalf(
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"Failure: %s\n\nExpected: %#v\n\nGot: %#v",
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k, tc.Output, tc.Input)
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}
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}
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}
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func TestInstanceStateEmpty(t *testing.T) {
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cases := map[string]struct {
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In *InstanceState
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Result bool
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}{
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"nil is empty": {
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nil,
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true,
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},
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"non-nil but without ID is empty": {
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&InstanceState{},
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true,
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},
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"with ID is not empty": {
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&InstanceState{
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ID: "i-abc123",
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},
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false,
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},
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}
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for tn, tc := range cases {
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if tc.In.Empty() != tc.Result {
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t.Fatalf("%q expected %#v to be empty: %#v", tn, tc.In, tc.Result)
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}
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}
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}
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func TestInstanceStateEqual(t *testing.T) {
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cases := []struct {
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Result bool
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One, Two *InstanceState
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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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&InstanceState{},
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},
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{
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false,
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&InstanceState{},
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nil,
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},
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// Different IDs
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{
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false,
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&InstanceState{ID: "foo"},
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&InstanceState{ID: "bar"},
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},
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// Different Attributes
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{
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false,
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&InstanceState{Attributes: map[string]string{"foo": "bar"}},
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&InstanceState{Attributes: map[string]string{"foo": "baz"}},
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},
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// Different Attribute keys
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{
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false,
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&InstanceState{Attributes: map[string]string{"foo": "bar"}},
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&InstanceState{Attributes: map[string]string{"bar": "baz"}},
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},
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{
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false,
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&InstanceState{Attributes: map[string]string{"bar": "baz"}},
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&InstanceState{Attributes: map[string]string{"foo": "bar"}},
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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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}
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}
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|
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func TestStateEmpty(t *testing.T) {
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cases := []struct {
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In *State
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Result bool
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}{
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{
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nil,
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true,
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},
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{
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&State{},
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true,
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},
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{
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&State{
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Remote: &RemoteState{Type: "foo"},
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},
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true,
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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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},
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},
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false,
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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.In.Empty() != tc.Result {
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t.Fatalf("bad %d %#v:\n\n%#v", i, tc.Result, tc.In)
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}
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}
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}
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|
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func TestStateIsRemote(t *testing.T) {
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cases := []struct {
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In *State
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Result bool
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}{
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{
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nil,
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false,
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},
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{
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&State{},
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false,
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},
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{
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&State{
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Remote: &RemoteState{Type: "foo"},
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},
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true,
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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.In.IsRemote() != tc.Result {
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t.Fatalf("bad %d %#v:\n\n%#v", i, tc.Result, tc.In)
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}
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}
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}
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|
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func TestInstanceState_MergeDiff(t *testing.T) {
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is := InstanceState{
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ID: "foo",
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Attributes: map[string]string{
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"foo": "bar",
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"port": "8000",
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},
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}
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|
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diff := &InstanceDiff{
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Attributes: map[string]*ResourceAttrDiff{
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"foo": &ResourceAttrDiff{
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Old: "bar",
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New: "baz",
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|
},
|
|
"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 = nil
|
|
|
|
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 TestReadUpgradeState(t *testing.T) {
|
|
state := &StateV1{
|
|
Resources: map[string]*ResourceStateV1{
|
|
"foo": &ResourceStateV1{
|
|
ID: "bar",
|
|
},
|
|
},
|
|
}
|
|
buf := new(bytes.Buffer)
|
|
if err := testWriteStateV1(state, buf); err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
// ReadState should transparently detect the old
|
|
// version and upgrade up so the latest.
|
|
actual, err := ReadState(buf)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
upgraded, err := upgradeV1State(state)
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(actual, upgraded) {
|
|
t.Fatalf("bad: %#v", actual)
|
|
}
|
|
}
|
|
|
|
func TestReadWriteState(t *testing.T) {
|
|
state := &State{
|
|
Serial: 9,
|
|
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",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
// Checksum before the write
|
|
chksum := checksumStruct(t, state)
|
|
|
|
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)
|
|
}
|
|
|
|
// Checksum after the write
|
|
chksumAfter := checksumStruct(t, state)
|
|
if chksumAfter != chksum {
|
|
t.Fatalf("structure changed during serialization!")
|
|
}
|
|
|
|
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{}
|
|
|
|
if !reflect.DeepEqual(actual, state) {
|
|
t.Fatalf("bad: %#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(), "not supported") {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestUpgradeV1State(t *testing.T) {
|
|
old := &StateV1{
|
|
Outputs: map[string]string{
|
|
"ip": "127.0.0.1",
|
|
},
|
|
Resources: map[string]*ResourceStateV1{
|
|
"foo": &ResourceStateV1{
|
|
Type: "test_resource",
|
|
ID: "bar",
|
|
Attributes: map[string]string{
|
|
"key": "val",
|
|
},
|
|
},
|
|
"bar": &ResourceStateV1{
|
|
Type: "test_resource",
|
|
ID: "1234",
|
|
Attributes: map[string]string{
|
|
"a": "b",
|
|
},
|
|
},
|
|
},
|
|
Tainted: map[string]struct{}{
|
|
"bar": struct{}{},
|
|
},
|
|
}
|
|
state, err := upgradeV1State(old)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
if len(state.Modules) != 1 {
|
|
t.Fatalf("should only have root module: %#v", state.Modules)
|
|
}
|
|
root := state.RootModule()
|
|
|
|
if len(root.Outputs) != 1 {
|
|
t.Fatalf("bad outputs: %v", root.Outputs)
|
|
}
|
|
if root.Outputs["ip"] != "127.0.0.1" {
|
|
t.Fatalf("bad outputs: %v", root.Outputs)
|
|
}
|
|
|
|
if len(root.Resources) != 2 {
|
|
t.Fatalf("bad resources: %v", root.Resources)
|
|
}
|
|
|
|
foo := root.Resources["foo"]
|
|
if foo.Type != "test_resource" {
|
|
t.Fatalf("bad: %#v", foo)
|
|
}
|
|
if foo.Primary == nil || foo.Primary.ID != "bar" ||
|
|
foo.Primary.Attributes["key"] != "val" {
|
|
t.Fatalf("bad: %#v", foo)
|
|
}
|
|
if len(foo.Tainted) > 0 {
|
|
t.Fatalf("bad: %#v", foo)
|
|
}
|
|
|
|
bar := root.Resources["bar"]
|
|
if bar.Type != "test_resource" {
|
|
t.Fatalf("bad: %#v", bar)
|
|
}
|
|
if bar.Primary != nil {
|
|
t.Fatalf("bad: %#v", bar)
|
|
}
|
|
if len(bar.Tainted) != 1 {
|
|
t.Fatalf("bad: %#v", bar)
|
|
}
|
|
bt := bar.Tainted[0]
|
|
if bt.ID != "1234" || bt.Attributes["a"] != "b" {
|
|
t.Fatalf("bad: %#v", bt)
|
|
}
|
|
}
|