package planfile import ( "bytes" "testing" "github.com/go-test/deep" "github.com/zclconf/go-cty/cty" "github.com/hashicorp/terraform/addrs" "github.com/hashicorp/terraform/plans" ) func TestTFPlanRoundTrip(t *testing.T) { objTy := cty.Object(map[string]cty.Type{ "id": cty.String, }) plan := &plans.Plan{ VariableValues: map[string]plans.DynamicValue{ "foo": mustNewDynamicValueStr("foo value"), }, Changes: &plans.Changes{ Outputs: []*plans.OutputChangeSrc{ { Addr: addrs.OutputValue{Name: "bar"}.Absolute(addrs.RootModuleInstance), ChangeSrc: plans.ChangeSrc{ Action: plans.Create, After: mustDynamicOutputValue("bar value"), }, Sensitive: false, }, { Addr: addrs.OutputValue{Name: "baz"}.Absolute(addrs.RootModuleInstance), ChangeSrc: plans.ChangeSrc{ Action: plans.NoOp, Before: mustDynamicOutputValue("baz value"), After: mustDynamicOutputValue("baz value"), }, Sensitive: false, }, { Addr: addrs.OutputValue{Name: "secret"}.Absolute(addrs.RootModuleInstance), ChangeSrc: plans.ChangeSrc{ Action: plans.Update, Before: mustDynamicOutputValue("old secret value"), After: mustDynamicOutputValue("new secret value"), }, Sensitive: true, }, }, Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: addrs.Resource{ Mode: addrs.ManagedResourceMode, Type: "test_thing", Name: "woot", }.Instance(addrs.IntKey(0)).Absolute(addrs.RootModuleInstance), ProviderAddr: addrs.AbsProviderConfig{ Provider: addrs.NewDefaultProvider("test"), Module: addrs.RootModule, }, ChangeSrc: plans.ChangeSrc{ Action: plans.DeleteThenCreate, Before: mustNewDynamicValue(cty.ObjectVal(map[string]cty.Value{ "id": cty.StringVal("foo-bar-baz"), }), objTy), After: mustNewDynamicValue(cty.ObjectVal(map[string]cty.Value{ "id": cty.UnknownVal(cty.String), }), objTy), }, }, { Addr: addrs.Resource{ Mode: addrs.ManagedResourceMode, Type: "test_thing", Name: "woot", }.Instance(addrs.IntKey(0)).Absolute(addrs.RootModuleInstance), DeposedKey: "foodface", ProviderAddr: addrs.AbsProviderConfig{ Provider: addrs.NewDefaultProvider("test"), Module: addrs.RootModule, }, ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, Before: mustNewDynamicValue(cty.ObjectVal(map[string]cty.Value{ "id": cty.StringVal("bar-baz-foo"), }), objTy), }, }, }, }, TargetAddrs: []addrs.Targetable{ addrs.Resource{ Mode: addrs.ManagedResourceMode, Type: "test_thing", Name: "woot", }.Absolute(addrs.RootModuleInstance), }, ProviderSHA256s: map[string][]byte{ "test": []byte{ 0xba, 0x5e, 0x1e, 0x55, 0xb0, 0x1d, 0xfa, 0xce, 0xef, 0xfe, 0xc7, 0xed, 0x1a, 0xbe, 0x11, 0xed, 0x5c, 0xa1, 0xab, 0x1e, 0xda, 0x7a, 0xba, 0x5e, 0x70, 0x7a, 0x11, 0xed, 0xb0, 0x07, 0xab, 0x1e, }, }, Backend: plans.Backend{ Type: "local", Config: mustNewDynamicValue( cty.ObjectVal(map[string]cty.Value{ "foo": cty.StringVal("bar"), }), cty.Object(map[string]cty.Type{ "foo": cty.String, }), ), Workspace: "default", }, } var buf bytes.Buffer err := writeTfplan(plan, &buf) if err != nil { t.Fatal(err) } newPlan, err := readTfplan(&buf) if err != nil { t.Fatal(err) } { oldDepth := deep.MaxDepth oldCompare := deep.CompareUnexportedFields deep.MaxDepth = 20 deep.CompareUnexportedFields = true defer func() { deep.MaxDepth = oldDepth deep.CompareUnexportedFields = oldCompare }() } for _, problem := range deep.Equal(newPlan, plan) { t.Error(problem) } } func mustDynamicOutputValue(val string) plans.DynamicValue { ret, err := plans.NewDynamicValue(cty.StringVal(val), cty.DynamicPseudoType) if err != nil { panic(err) } return ret } func mustNewDynamicValue(val cty.Value, ty cty.Type) plans.DynamicValue { ret, err := plans.NewDynamicValue(val, ty) if err != nil { panic(err) } return ret } func mustNewDynamicValueStr(val string) plans.DynamicValue { realVal := cty.StringVal(val) ret, err := plans.NewDynamicValue(realVal, cty.String) if err != nil { panic(err) } return ret } // TestTFPlanRoundTripDestroy ensures that encoding and decoding null values for // destroy doesn't leave us with any nil values. func TestTFPlanRoundTripDestroy(t *testing.T) { objTy := cty.Object(map[string]cty.Type{ "id": cty.String, }) plan := &plans.Plan{ Changes: &plans.Changes{ Outputs: []*plans.OutputChangeSrc{ { Addr: addrs.OutputValue{Name: "bar"}.Absolute(addrs.RootModuleInstance), ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, Before: mustDynamicOutputValue("output"), After: mustNewDynamicValue(cty.NullVal(cty.String), cty.String), }, }, }, Resources: []*plans.ResourceInstanceChangeSrc{ { Addr: addrs.Resource{ Mode: addrs.ManagedResourceMode, Type: "test_thing", Name: "woot", }.Instance(addrs.IntKey(0)).Absolute(addrs.RootModuleInstance), ProviderAddr: addrs.AbsProviderConfig{ Provider: addrs.NewDefaultProvider("test"), Module: addrs.RootModule, }, ChangeSrc: plans.ChangeSrc{ Action: plans.Delete, Before: mustNewDynamicValue(cty.ObjectVal(map[string]cty.Value{ "id": cty.StringVal("foo-bar-baz"), }), objTy), After: mustNewDynamicValue(cty.NullVal(objTy), objTy), }, }, }, }, TargetAddrs: []addrs.Targetable{ addrs.Resource{ Mode: addrs.ManagedResourceMode, Type: "test_thing", Name: "woot", }.Absolute(addrs.RootModuleInstance), }, Backend: plans.Backend{ Type: "local", Config: mustNewDynamicValue( cty.ObjectVal(map[string]cty.Value{ "foo": cty.StringVal("bar"), }), cty.Object(map[string]cty.Type{ "foo": cty.String, }), ), Workspace: "default", }, } var buf bytes.Buffer err := writeTfplan(plan, &buf) if err != nil { t.Fatal(err) } newPlan, err := readTfplan(&buf) if err != nil { t.Fatal(err) } for _, rics := range newPlan.Changes.Resources { ric, err := rics.Decode(objTy) if err != nil { t.Fatal(err) } if ric.After == cty.NilVal { t.Fatalf("unexpected nil After value: %#v\n", ric) } } for _, ocs := range newPlan.Changes.Outputs { oc, err := ocs.Decode() if err != nil { t.Fatal(err) } if oc.After == cty.NilVal { t.Fatalf("unexpected nil After value: %#v\n", ocs) } } }