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https://github.com/opentffoundation/opentf.git
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b38f3301d1
In practice the current implementation isn't actually using this, and if we need access to states in future we can access them in either the plan.PriorState or plan.PrevRunState fields, depending on which stage we want a state snapshot of.
496 lines
14 KiB
Go
496 lines
14 KiB
Go
package views
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import (
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"bytes"
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"encoding/json"
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"strings"
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"testing"
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"github.com/hashicorp/terraform/addrs"
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"github.com/hashicorp/terraform/command/arguments"
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"github.com/hashicorp/terraform/internal/terminal"
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"github.com/hashicorp/terraform/plans"
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"github.com/hashicorp/terraform/states/statefile"
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)
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func TestOperation_stopping(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := NewOperation(arguments.ViewHuman, false, NewView(streams))
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v.Stopping()
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if got, want := done(t).Stdout(), "Stopping operation...\n"; got != want {
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t.Errorf("wrong result\ngot: %q\nwant: %q", got, want)
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}
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}
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func TestOperation_cancelled(t *testing.T) {
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testCases := map[string]struct {
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planMode plans.Mode
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want string
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}{
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"apply": {
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planMode: plans.NormalMode,
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want: "Apply cancelled.\n",
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},
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"destroy": {
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planMode: plans.DestroyMode,
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want: "Destroy cancelled.\n",
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := NewOperation(arguments.ViewHuman, false, NewView(streams))
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v.Cancelled(tc.planMode)
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if got, want := done(t).Stdout(), tc.want; got != want {
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t.Errorf("wrong result\ngot: %q\nwant: %q", got, want)
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}
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})
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}
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}
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func TestOperation_emergencyDumpState(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := NewOperation(arguments.ViewHuman, false, NewView(streams))
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stateFile := statefile.New(nil, "foo", 1)
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err := v.EmergencyDumpState(stateFile)
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if err != nil {
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t.Fatalf("unexpected error dumping state: %s", err)
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}
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// Check that the result (on stderr) looks like JSON state
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raw := done(t).Stderr()
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var state map[string]interface{}
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if err := json.Unmarshal([]byte(raw), &state); err != nil {
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t.Fatalf("unexpected error parsing dumped state: %s\nraw:\n%s", err, raw)
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}
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}
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func TestOperation_planNoChanges(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := NewOperation(arguments.ViewHuman, false, NewView(streams))
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v.PlanNoChanges()
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if got, want := done(t).Stdout(), "No changes. Infrastructure is up-to-date."; !strings.Contains(got, want) {
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t.Errorf("wrong result\ngot: %q\nwant: %q", got, want)
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}
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}
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func TestOperation_plan(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := NewOperation(arguments.ViewHuman, true, NewView(streams))
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plan := testPlan(t)
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schemas := testSchemas()
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v.Plan(plan, schemas)
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want := `
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Terraform used the selected providers to generate the following execution
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plan. Resource actions are indicated with the following symbols:
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+ create
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Terraform will perform the following actions:
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# test_resource.foo will be created
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+ resource "test_resource" "foo" {
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+ foo = "bar"
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+ id = (known after apply)
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}
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Plan: 1 to add, 0 to change, 0 to destroy.
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`
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if got := done(t).Stdout(); got != want {
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t.Errorf("unexpected output\ngot:\n%s\nwant:\n%s", got, want)
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}
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}
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func TestOperation_planNextStep(t *testing.T) {
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testCases := map[string]struct {
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path string
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want string
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}{
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"no state path": {
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path: "",
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want: "You didn't use the -out option",
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},
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"state path": {
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path: "good plan.tfplan",
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want: `terraform apply "good plan.tfplan"`,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := NewOperation(arguments.ViewHuman, false, NewView(streams))
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v.PlanNextStep(tc.path)
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if got := done(t).Stdout(); !strings.Contains(got, tc.want) {
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t.Errorf("wrong result\ngot: %q\nwant: %q", got, tc.want)
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}
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})
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}
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}
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// The in-automation state is on the view itself, so testing it separately is
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// clearer.
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func TestOperation_planNextStepInAutomation(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := NewOperation(arguments.ViewHuman, true, NewView(streams))
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v.PlanNextStep("")
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if got := done(t).Stdout(); got != "" {
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t.Errorf("unexpected output\ngot: %q", got)
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}
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}
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// Test all the trivial OperationJSON methods together. Y'know, for brevity.
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// This test is not a realistic stream of messages.
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func TestOperationJSON_logs(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := &OperationJSON{view: NewJSONView(NewView(streams))}
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v.Cancelled(plans.NormalMode)
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v.Cancelled(plans.DestroyMode)
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v.Stopping()
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v.Interrupted()
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v.FatalInterrupt()
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want := []map[string]interface{}{
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{
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"@level": "info",
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"@message": "Apply cancelled",
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"@module": "terraform.ui",
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"type": "log",
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},
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{
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"@level": "info",
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"@message": "Destroy cancelled",
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"@module": "terraform.ui",
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"type": "log",
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},
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{
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"@level": "info",
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"@message": "Stopping operation...",
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"@module": "terraform.ui",
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"type": "log",
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},
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{
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"@level": "info",
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"@message": interrupted,
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"@module": "terraform.ui",
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"type": "log",
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},
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{
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"@level": "info",
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"@message": fatalInterrupt,
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"@module": "terraform.ui",
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"type": "log",
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},
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}
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testJSONViewOutputEquals(t, done(t).Stdout(), want)
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}
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// This is a fairly circular test, but it's such a rarely executed code path
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// that I think it's probably still worth having. We're not testing against
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// a fixed state JSON output because this test ought not fail just because
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// we upgrade state format in the future.
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func TestOperationJSON_emergencyDumpState(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := &OperationJSON{view: NewJSONView(NewView(streams))}
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stateFile := statefile.New(nil, "foo", 1)
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stateBuf := new(bytes.Buffer)
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err := statefile.Write(stateFile, stateBuf)
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if err != nil {
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t.Fatal(err)
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}
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var stateJSON map[string]interface{}
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err = json.Unmarshal(stateBuf.Bytes(), &stateJSON)
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if err != nil {
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t.Fatal(err)
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}
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err = v.EmergencyDumpState(stateFile)
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if err != nil {
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t.Fatalf("unexpected error dumping state: %s", err)
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}
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want := []map[string]interface{}{
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{
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"@level": "info",
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"@message": "Emergency state dump",
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"@module": "terraform.ui",
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"type": "log",
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"state": stateJSON,
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},
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}
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testJSONViewOutputEquals(t, done(t).Stdout(), want)
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}
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func TestOperationJSON_planNoChanges(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := &OperationJSON{view: NewJSONView(NewView(streams))}
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v.PlanNoChanges()
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want := []map[string]interface{}{
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{
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"@level": "info",
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"@message": "Plan: 0 to add, 0 to change, 0 to destroy.",
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"@module": "terraform.ui",
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"type": "change_summary",
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"changes": map[string]interface{}{
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"operation": "plan",
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"add": float64(0),
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"change": float64(0),
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"remove": float64(0),
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},
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},
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}
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testJSONViewOutputEquals(t, done(t).Stdout(), want)
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}
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func TestOperationJSON_plan(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := &OperationJSON{view: NewJSONView(NewView(streams))}
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root := addrs.RootModuleInstance
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vpc, diags := addrs.ParseModuleInstanceStr("module.vpc")
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if len(diags) > 0 {
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t.Fatal(diags.Err())
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}
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boop := addrs.Resource{Mode: addrs.ManagedResourceMode, Type: "test_instance", Name: "boop"}
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beep := addrs.Resource{Mode: addrs.ManagedResourceMode, Type: "test_instance", Name: "beep"}
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derp := addrs.Resource{Mode: addrs.DataResourceMode, Type: "test_source", Name: "derp"}
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plan := &plans.Plan{
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Changes: &plans.Changes{
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Resources: []*plans.ResourceInstanceChangeSrc{
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{
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Addr: boop.Instance(addrs.IntKey(0)).Absolute(root),
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ChangeSrc: plans.ChangeSrc{Action: plans.CreateThenDelete},
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},
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{
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Addr: boop.Instance(addrs.IntKey(1)).Absolute(root),
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ChangeSrc: plans.ChangeSrc{Action: plans.Create},
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},
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{
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Addr: boop.Instance(addrs.IntKey(0)).Absolute(vpc),
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ChangeSrc: plans.ChangeSrc{Action: plans.Delete},
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},
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{
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Addr: beep.Instance(addrs.NoKey).Absolute(root),
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ChangeSrc: plans.ChangeSrc{Action: plans.DeleteThenCreate},
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},
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{
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Addr: beep.Instance(addrs.NoKey).Absolute(vpc),
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ChangeSrc: plans.ChangeSrc{Action: plans.Update},
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},
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// Data source deletion should not show up in the logs
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{
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Addr: derp.Instance(addrs.NoKey).Absolute(root),
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ChangeSrc: plans.ChangeSrc{Action: plans.Delete},
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},
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},
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},
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}
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v.Plan(plan, nil)
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want := []map[string]interface{}{
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// Create-then-delete should result in replace
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{
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"@level": "info",
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"@message": "test_instance.boop[0]: Plan to replace",
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"@module": "terraform.ui",
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"type": "planned_change",
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"change": map[string]interface{}{
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"action": "replace",
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"resource": map[string]interface{}{
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"addr": `test_instance.boop[0]`,
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"implied_provider": "test",
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"module": "",
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"resource": `test_instance.boop[0]`,
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"resource_key": float64(0),
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"resource_name": "boop",
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"resource_type": "test_instance",
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},
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},
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},
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// Simple create
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{
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"@level": "info",
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"@message": "test_instance.boop[1]: Plan to create",
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"@module": "terraform.ui",
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"type": "planned_change",
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"change": map[string]interface{}{
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"action": "create",
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"resource": map[string]interface{}{
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"addr": `test_instance.boop[1]`,
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"implied_provider": "test",
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"module": "",
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"resource": `test_instance.boop[1]`,
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"resource_key": float64(1),
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"resource_name": "boop",
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"resource_type": "test_instance",
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},
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},
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},
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// Simple delete
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{
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"@level": "info",
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"@message": "module.vpc.test_instance.boop[0]: Plan to delete",
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"@module": "terraform.ui",
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"type": "planned_change",
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"change": map[string]interface{}{
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"action": "delete",
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"resource": map[string]interface{}{
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"addr": `module.vpc.test_instance.boop[0]`,
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"implied_provider": "test",
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"module": "module.vpc",
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"resource": `test_instance.boop[0]`,
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"resource_key": float64(0),
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"resource_name": "boop",
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"resource_type": "test_instance",
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},
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},
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},
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// Delete-then-create is also a replace
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{
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"@level": "info",
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"@message": "test_instance.beep: Plan to replace",
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"@module": "terraform.ui",
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"type": "planned_change",
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"change": map[string]interface{}{
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"action": "replace",
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"resource": map[string]interface{}{
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"addr": `test_instance.beep`,
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"implied_provider": "test",
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"module": "",
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"resource": `test_instance.beep`,
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"resource_key": nil,
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"resource_name": "beep",
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"resource_type": "test_instance",
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},
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},
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},
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// Simple update
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{
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"@level": "info",
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"@message": "module.vpc.test_instance.beep: Plan to update",
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"@module": "terraform.ui",
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"type": "planned_change",
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"change": map[string]interface{}{
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"action": "update",
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"resource": map[string]interface{}{
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"addr": `module.vpc.test_instance.beep`,
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"implied_provider": "test",
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"module": "module.vpc",
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"resource": `test_instance.beep`,
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"resource_key": nil,
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"resource_name": "beep",
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"resource_type": "test_instance",
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},
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},
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},
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// These counts are 3 add/1 change/3 destroy because the replace
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// changes result in both add and destroy counts.
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{
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"@level": "info",
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"@message": "Plan: 3 to add, 1 to change, 3 to destroy.",
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"@module": "terraform.ui",
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"type": "change_summary",
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"changes": map[string]interface{}{
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"operation": "plan",
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"add": float64(3),
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"change": float64(1),
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"remove": float64(3),
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},
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},
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}
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testJSONViewOutputEquals(t, done(t).Stdout(), want)
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}
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func TestOperationJSON_plannedChange(t *testing.T) {
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streams, done := terminal.StreamsForTesting(t)
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v := &OperationJSON{view: NewJSONView(NewView(streams))}
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root := addrs.RootModuleInstance
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boop := addrs.Resource{Mode: addrs.ManagedResourceMode, Type: "test_instance", Name: "boop"}
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derp := addrs.Resource{Mode: addrs.DataResourceMode, Type: "test_source", Name: "derp"}
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// Replace requested by user
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v.PlannedChange(&plans.ResourceInstanceChangeSrc{
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Addr: boop.Instance(addrs.IntKey(0)).Absolute(root),
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ChangeSrc: plans.ChangeSrc{Action: plans.DeleteThenCreate},
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ActionReason: plans.ResourceInstanceReplaceByRequest,
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})
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// Simple create
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v.PlannedChange(&plans.ResourceInstanceChangeSrc{
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Addr: boop.Instance(addrs.IntKey(1)).Absolute(root),
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ChangeSrc: plans.ChangeSrc{Action: plans.Create},
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})
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// Data source deletion
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v.PlannedChange(&plans.ResourceInstanceChangeSrc{
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Addr: derp.Instance(addrs.NoKey).Absolute(root),
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ChangeSrc: plans.ChangeSrc{Action: plans.Delete},
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})
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// Expect only two messages, as the data source deletion should be a no-op
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want := []map[string]interface{}{
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{
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"@level": "info",
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"@message": "test_instance.boop[0]: Plan to replace",
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"@module": "terraform.ui",
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"type": "planned_change",
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"change": map[string]interface{}{
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"action": "replace",
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"reason": "requested",
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"resource": map[string]interface{}{
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"addr": `test_instance.boop[0]`,
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"implied_provider": "test",
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"module": "",
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"resource": `test_instance.boop[0]`,
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"resource_key": float64(0),
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"resource_name": "boop",
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"resource_type": "test_instance",
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},
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},
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},
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{
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"@level": "info",
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"@message": "test_instance.boop[1]: Plan to create",
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"@module": "terraform.ui",
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"type": "planned_change",
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"change": map[string]interface{}{
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"action": "create",
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"resource": map[string]interface{}{
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"addr": `test_instance.boop[1]`,
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"implied_provider": "test",
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"module": "",
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"resource": `test_instance.boop[1]`,
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"resource_key": float64(1),
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"resource_name": "boop",
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"resource_type": "test_instance",
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},
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},
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},
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}
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testJSONViewOutputEquals(t, done(t).Stdout(), want)
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}
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