mirror of
https://github.com/opentofu/opentofu.git
synced 2024-12-24 16:10:46 -06:00
89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
// Copyright (c) The OpenTofu Authors
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// SPDX-License-Identifier: MPL-2.0
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// Copyright (c) 2023 HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package states
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import (
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"sync"
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/opentofu/opentofu/internal/addrs"
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"github.com/zclconf/go-cty/cty"
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)
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func TestResourceInstanceObject_encode(t *testing.T) {
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value := cty.ObjectVal(map[string]cty.Value{
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"foo": cty.True,
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})
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// The in-memory order of resource dependencies is random, since they're an
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// unordered set.
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depsOne := []addrs.ConfigResource{
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addrs.RootModule.Resource(addrs.ManagedResourceMode, "test", "honk"),
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addrs.RootModule.Child("child").Resource(addrs.ManagedResourceMode, "test", "flub"),
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addrs.RootModule.Resource(addrs.ManagedResourceMode, "test", "boop"),
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}
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depsTwo := []addrs.ConfigResource{
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addrs.RootModule.Child("child").Resource(addrs.ManagedResourceMode, "test", "flub"),
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addrs.RootModule.Resource(addrs.ManagedResourceMode, "test", "boop"),
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addrs.RootModule.Resource(addrs.ManagedResourceMode, "test", "honk"),
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}
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// multiple instances may have been assigned the same deps slice
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objs := []*ResourceInstanceObject{
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&ResourceInstanceObject{
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Value: value,
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Status: ObjectPlanned,
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Dependencies: depsOne,
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},
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&ResourceInstanceObject{
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Value: value,
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Status: ObjectPlanned,
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Dependencies: depsTwo,
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},
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&ResourceInstanceObject{
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Value: value,
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Status: ObjectPlanned,
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Dependencies: depsOne,
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},
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&ResourceInstanceObject{
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Value: value,
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Status: ObjectPlanned,
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Dependencies: depsOne,
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},
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}
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var encoded []*ResourceInstanceObjectSrc
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// Encoding can happen concurrently, so we need to make sure the shared
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// Dependencies are safely handled
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var wg sync.WaitGroup
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var mu sync.Mutex
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for _, obj := range objs {
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obj := obj
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wg.Add(1)
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go func() {
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defer wg.Done()
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rios, err := obj.Encode(value.Type(), 0)
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if err != nil {
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t.Errorf("unexpected error: %s", err)
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}
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mu.Lock()
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encoded = append(encoded, rios)
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mu.Unlock()
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}()
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}
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wg.Wait()
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// However, identical sets of dependencies should always be written to state
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// in an identical order, so we don't do meaningless state updates on refresh.
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for i := 0; i < len(encoded)-1; i++ {
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if diff := cmp.Diff(encoded[i].Dependencies, encoded[i+1].Dependencies); diff != "" {
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t.Errorf("identical dependencies got encoded in different orders:\n%s", diff)
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}
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}
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}
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