package addrs import ( "testing" "github.com/go-test/deep" "github.com/hashicorp/hcl/v2" "github.com/hashicorp/hcl/v2/hclsyntax" "github.com/hashicorp/terraform/internal/tfdiags" ) func TestParseTarget(t *testing.T) { tests := []struct { Input string Want *Target WantErr string }{ { `module.foo`, &Target{ Subject: ModuleInstance{ { Name: "foo", }, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 11, Byte: 10}, }, }, ``, }, { `module.foo[2]`, &Target{ Subject: ModuleInstance{ { Name: "foo", InstanceKey: IntKey(2), }, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 14, Byte: 13}, }, }, ``, }, { `module.foo[2].module.bar`, &Target{ Subject: ModuleInstance{ { Name: "foo", InstanceKey: IntKey(2), }, { Name: "bar", }, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 25, Byte: 24}, }, }, ``, }, { `aws_instance.foo`, &Target{ Subject: AbsResource{ Resource: Resource{ Mode: ManagedResourceMode, Type: "aws_instance", Name: "foo", }, Module: RootModuleInstance, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 17, Byte: 16}, }, }, ``, }, { `aws_instance.foo[1]`, &Target{ Subject: AbsResourceInstance{ Resource: ResourceInstance{ Resource: Resource{ Mode: ManagedResourceMode, Type: "aws_instance", Name: "foo", }, Key: IntKey(1), }, Module: RootModuleInstance, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 20, Byte: 19}, }, }, ``, }, { `data.aws_instance.foo`, &Target{ Subject: AbsResource{ Resource: Resource{ Mode: DataResourceMode, Type: "aws_instance", Name: "foo", }, Module: RootModuleInstance, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 22, Byte: 21}, }, }, ``, }, { `data.aws_instance.foo[1]`, &Target{ Subject: AbsResourceInstance{ Resource: ResourceInstance{ Resource: Resource{ Mode: DataResourceMode, Type: "aws_instance", Name: "foo", }, Key: IntKey(1), }, Module: RootModuleInstance, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 25, Byte: 24}, }, }, ``, }, { `module.foo.aws_instance.bar`, &Target{ Subject: AbsResource{ Resource: Resource{ Mode: ManagedResourceMode, Type: "aws_instance", Name: "bar", }, Module: ModuleInstance{ {Name: "foo"}, }, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 28, Byte: 27}, }, }, ``, }, { `module.foo.module.bar.aws_instance.baz`, &Target{ Subject: AbsResource{ Resource: Resource{ Mode: ManagedResourceMode, Type: "aws_instance", Name: "baz", }, Module: ModuleInstance{ {Name: "foo"}, {Name: "bar"}, }, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 39, Byte: 38}, }, }, ``, }, { `module.foo.module.bar.aws_instance.baz["hello"]`, &Target{ Subject: AbsResourceInstance{ Resource: ResourceInstance{ Resource: Resource{ Mode: ManagedResourceMode, Type: "aws_instance", Name: "baz", }, Key: StringKey("hello"), }, Module: ModuleInstance{ {Name: "foo"}, {Name: "bar"}, }, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 48, Byte: 47}, }, }, ``, }, { `module.foo.data.aws_instance.bar`, &Target{ Subject: AbsResource{ Resource: Resource{ Mode: DataResourceMode, Type: "aws_instance", Name: "bar", }, Module: ModuleInstance{ {Name: "foo"}, }, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 33, Byte: 32}, }, }, ``, }, { `module.foo.module.bar.data.aws_instance.baz`, &Target{ Subject: AbsResource{ Resource: Resource{ Mode: DataResourceMode, Type: "aws_instance", Name: "baz", }, Module: ModuleInstance{ {Name: "foo"}, {Name: "bar"}, }, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 44, Byte: 43}, }, }, ``, }, { `module.foo.module.bar[0].data.aws_instance.baz`, &Target{ Subject: AbsResource{ Resource: Resource{ Mode: DataResourceMode, Type: "aws_instance", Name: "baz", }, Module: ModuleInstance{ {Name: "foo", InstanceKey: NoKey}, {Name: "bar", InstanceKey: IntKey(0)}, }, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 47, Byte: 46}, }, }, ``, }, { `module.foo.module.bar["a"].data.aws_instance.baz["hello"]`, &Target{ Subject: AbsResourceInstance{ Resource: ResourceInstance{ Resource: Resource{ Mode: DataResourceMode, Type: "aws_instance", Name: "baz", }, Key: StringKey("hello"), }, Module: ModuleInstance{ {Name: "foo", InstanceKey: NoKey}, {Name: "bar", InstanceKey: StringKey("a")}, }, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 58, Byte: 57}, }, }, ``, }, { `module.foo.module.bar.data.aws_instance.baz["hello"]`, &Target{ Subject: AbsResourceInstance{ Resource: ResourceInstance{ Resource: Resource{ Mode: DataResourceMode, Type: "aws_instance", Name: "baz", }, Key: StringKey("hello"), }, Module: ModuleInstance{ {Name: "foo"}, {Name: "bar"}, }, }, SourceRange: tfdiags.SourceRange{ Start: tfdiags.SourcePos{Line: 1, Column: 1, Byte: 0}, End: tfdiags.SourcePos{Line: 1, Column: 53, Byte: 52}, }, }, ``, }, { `aws_instance`, nil, `Resource specification must include a resource type and name.`, }, { `module`, nil, `Prefix "module." must be followed by a module name.`, }, { `module["baz"]`, nil, `Prefix "module." must be followed by a module name.`, }, { `module.baz.bar`, nil, `Resource specification must include a resource type and name.`, }, { `aws_instance.foo.bar`, nil, `Resource instance key must be given in square brackets.`, }, { `aws_instance.foo[1].baz`, nil, `Unexpected extra operators after address.`, }, } for _, test := range tests { t.Run(test.Input, func(t *testing.T) { traversal, travDiags := hclsyntax.ParseTraversalAbs([]byte(test.Input), "", hcl.Pos{Line: 1, Column: 1}) if travDiags.HasErrors() { t.Fatal(travDiags.Error()) } got, diags := ParseTarget(traversal) switch len(diags) { case 0: if test.WantErr != "" { t.Fatalf("succeeded; want error: %s", test.WantErr) } case 1: if test.WantErr == "" { t.Fatalf("unexpected diagnostics: %s", diags.Err()) } if got, want := diags[0].Description().Detail, test.WantErr; got != want { t.Fatalf("wrong error\ngot: %s\nwant: %s", got, want) } default: t.Fatalf("too many diagnostics: %s", diags.Err()) } if diags.HasErrors() { return } for _, problem := range deep.Equal(got, test.Want) { t.Errorf(problem) } }) } }