command/format: Add tests for ResourceChange renderer
This commit is contained in:
Radek Simko
parent
b1ed146931
commit
49e7026bdd
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@ -0,0 +1,152 @@
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package format
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import (
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"testing"
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"github.com/hashicorp/terraform/addrs"
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"github.com/hashicorp/terraform/configs/configschema"
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"github.com/hashicorp/terraform/plans"
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"github.com/mitchellh/colorstring"
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"github.com/zclconf/go-cty/cty"
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)
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func TestResourceChange(t *testing.T) {
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testCases := map[string]struct {
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Action plans.Action
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Mode addrs.ResourceMode
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Before cty.Value
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After cty.Value
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Schema *configschema.Block
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RequiredReplace cty.PathSet
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ExpectedOutput string
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}{
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"creation": {
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Action: plans.Create,
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Mode: addrs.ManagedResourceMode,
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Before: cty.NullVal(cty.EmptyObject),
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After: cty.ObjectVal(map[string]cty.Value{
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"id": cty.UnknownVal(cty.String),
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}),
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Schema: &configschema.Block{
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Attributes: map[string]*configschema.Attribute{
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"id": {Type: cty.String, Computed: true},
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},
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},
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RequiredReplace: cty.NewPathSet(),
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ExpectedOutput: ` # test_instance.example will be created
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+ resource "test_instance" "example" {
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+ id = (known after apply)
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}
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`,
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},
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"deletion": {
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Action: plans.Delete,
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Mode: addrs.ManagedResourceMode,
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Before: cty.ObjectVal(map[string]cty.Value{
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"id": cty.StringVal("i-02ae66f368e8518a9"),
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}),
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After: cty.NullVal(cty.EmptyObject),
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Schema: &configschema.Block{
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Attributes: map[string]*configschema.Attribute{
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"id": {Type: cty.String, Computed: true},
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},
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},
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RequiredReplace: cty.NewPathSet(),
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ExpectedOutput: ` # test_instance.example will be destroyed
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- resource "test_instance" "example" {
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- id = "i-02ae66f368e8518a9" -> null
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}
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`,
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},
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"simple in-place update": {
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Action: plans.Update,
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Mode: addrs.ManagedResourceMode,
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Before: cty.ObjectVal(map[string]cty.Value{
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"id": cty.StringVal("i-02ae66f368e8518a9"),
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"ami": cty.StringVal("ami-BEFORE"),
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}),
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After: cty.ObjectVal(map[string]cty.Value{
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"id": cty.StringVal("i-02ae66f368e8518a9"),
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"ami": cty.StringVal("ami-AFTER"),
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}),
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Schema: &configschema.Block{
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Attributes: map[string]*configschema.Attribute{
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"id": {Type: cty.String, Optional: true, Computed: true},
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"ami": {Type: cty.String, Optional: true},
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},
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},
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RequiredReplace: cty.NewPathSet(),
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ExpectedOutput: ` # test_instance.example will be updated in-place
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~ resource "test_instance" "example" {
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~ ami = "ami-BEFORE" -> "ami-AFTER"
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id = "i-02ae66f368e8518a9"
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}
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`,
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},
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"simple force-new update": {
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Action: plans.DeleteThenCreate,
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Mode: addrs.ManagedResourceMode,
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Before: cty.ObjectVal(map[string]cty.Value{
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"id": cty.StringVal("i-02ae66f368e8518a9"),
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"ami": cty.StringVal("ami-BEFORE"),
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}),
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After: cty.ObjectVal(map[string]cty.Value{
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"id": cty.UnknownVal(cty.String),
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"ami": cty.StringVal("ami-AFTER"),
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}),
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Schema: &configschema.Block{
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Attributes: map[string]*configschema.Attribute{
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"id": {Type: cty.String, Optional: true, Computed: true},
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"ami": {Type: cty.String, Optional: true},
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},
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},
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RequiredReplace: cty.NewPathSet(cty.Path{
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cty.GetAttrStep{Name: "ami"},
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}),
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ExpectedOutput: ` # test_instance.example must be replaced
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-/+ resource "test_instance" "example" {
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~ ami = "ami-BEFORE" -> "ami-AFTER"
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~ id = "i-02ae66f368e8518a9" -> (known after apply)
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}
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`,
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},
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}
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color := &colorstring.Colorize{Colors: colorstring.DefaultColors, Disable: true}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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beforeVal := tc.Before
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before, err := plans.NewDynamicValue(beforeVal, beforeVal.Type())
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if err != nil {
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t.Fatal(err)
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}
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afterVal := tc.After
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after, err := plans.NewDynamicValue(afterVal, afterVal.Type())
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if err != nil {
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t.Fatal(err)
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}
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change := &plans.ResourceInstanceChangeSrc{
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Addr: addrs.Resource{
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Mode: tc.Mode,
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Type: "test_instance",
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Name: "example",
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}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
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ProviderAddr: addrs.ProviderConfig{Type: "test"}.Absolute(addrs.RootModuleInstance),
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ChangeSrc: plans.ChangeSrc{
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Action: tc.Action,
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Before: before,
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After: after,
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},
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RequiredReplace: tc.RequiredReplace,
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}
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output := ResourceChange(change, tc.Schema, color)
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if output != tc.ExpectedOutput {
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t.Fatalf("Unexpected diff.\nExpected:\n%s\nGiven:\n%s\n", tc.ExpectedOutput, output)
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}
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})
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}
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}
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