| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package mixer |
| |
| import ( |
| "encoding/json" |
| "flag" |
| "fmt" |
| "io/ioutil" |
| "math" |
| "path/filepath" |
| "runtime" |
| "strings" |
| "testing" |
| |
| gidlir "go.fuchsia.dev/fuchsia/tools/fidl/gidl/ir" |
| fidl "go.fuchsia.dev/fuchsia/tools/fidl/lib/fidlgen" |
| ) |
| |
| var hostDir = map[string]string{"arm64": "host_arm64", "amd64": "host_x64"}[runtime.GOARCH] |
| |
| func getTestDataDir() string { |
| base := filepath.Join("..", "..", "..", "..") |
| c, err := ioutil.ReadFile(filepath.Join(base, ".fx-build-dir")) |
| if err != nil { |
| return "" |
| } |
| return filepath.Join(base, strings.TrimSpace(string(c)), hostDir, "test_data", "gidl") |
| } |
| |
| var testDataDir = flag.String("test_data_dir", getTestDataDir(), "Path to golden files; only used in GN build") |
| |
| func testSchema(t *testing.T) Schema { |
| path := filepath.Join(*testDataDir, "mixer.test.fidl.json") |
| bytes, err := ioutil.ReadFile(path) |
| if err != nil { |
| t.Fatalf("please \"fx build %s/test_data/gidl/mixer.test.fidl.json\" first then \"go test\" again", hostDir) |
| } |
| root := fidl.Root{} |
| if err = json.Unmarshal(bytes, &root); err != nil { |
| t.Fatalf("failed to unmarshal %s: %s", path, err) |
| } |
| return BuildSchema(root) |
| } |
| |
| // checkStruct is a helper function to test the Declaration for a struct. |
| func checkStruct(t *testing.T, decl *StructDecl, expectedName string, expectedNullable bool) { |
| t.Helper() |
| qualifiedName := decl.Name() |
| expectedQualifiedName := fmt.Sprintf("test.mixer/%s", expectedName) |
| if qualifiedName != expectedQualifiedName { |
| t.Errorf("expected name to be %s, got %s\n\ndecl: %#v", |
| expectedQualifiedName, qualifiedName, decl) |
| } |
| if decl.nullable != expectedNullable { |
| t.Errorf("expected nullable to be %v, got %v\n\ndecl: %#v", |
| expectedNullable, decl.nullable, decl) |
| } |
| } |
| |
| func TestLookupDeclByNameNonNullable(t *testing.T) { |
| decl, ok := testSchema(t).lookupDeclByName("ExampleStruct", false) |
| if !ok { |
| t.Fatalf("lookupDeclByName failed") |
| } |
| checkStruct(t, decl.(*StructDecl), "ExampleStruct", false) |
| } |
| |
| func TestLookupDeclByNameNullable(t *testing.T) { |
| decl, ok := testSchema(t).lookupDeclByName("ExampleStruct", true) |
| if !ok { |
| t.Fatalf("lookupDeclByName failed") |
| } |
| checkStruct(t, decl.(*StructDecl), "ExampleStruct", true) |
| } |
| |
| func TestLookupDeclByNameFailure(t *testing.T) { |
| decl, ok := testSchema(t).lookupDeclByName("ThisIsNotAStruct", false) |
| if ok { |
| t.Fatalf("lookupDeclByName unexpectedly succeeded: %#v", decl) |
| } |
| } |
| |
| func TestLookupDeclByTypeSuccess(t *testing.T) { |
| typ := fidl.Type{ |
| Kind: fidl.PrimitiveType, |
| PrimitiveSubtype: fidl.Bool, |
| } |
| decl, ok := testSchema(t).lookupDeclByType(typ) |
| if !ok { |
| t.Fatalf("lookupDeclByType failed") |
| } |
| if _, ok := decl.(*BoolDecl); !ok { |
| t.Fatalf("expected BoolDecl, got %T\n\ndecl: %#v", decl, decl) |
| } |
| } |
| |
| func TestExtractDeclarationSuccess(t *testing.T) { |
| value := gidlir.Record{ |
| Name: "ExampleStruct", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "s"}, Value: "foo"}, |
| }, |
| } |
| decl, err := testSchema(t).ExtractDeclaration(value, nil) |
| if err != nil { |
| t.Fatalf("ExtractDeclaration failed: %s", err) |
| } |
| checkStruct(t, decl, "ExampleStruct", false) |
| } |
| |
| func TestExtractDeclarationNotDefined(t *testing.T) { |
| value := gidlir.Record{ |
| Name: "ThisIsNotAStruct", |
| Fields: []gidlir.Field{}, |
| } |
| decl, err := testSchema(t).ExtractDeclaration(value, nil) |
| if err == nil { |
| t.Fatalf("ExtractDeclaration unexpectedly succeeded: %#v", decl) |
| } |
| if !strings.Contains(err.Error(), "unknown") { |
| t.Fatalf("expected err to contain 'unknown', got '%s'", err) |
| } |
| } |
| |
| func TestExtractDeclarationDoesNotConform(t *testing.T) { |
| value := gidlir.Record{ |
| Name: "ExampleStruct", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "ThisIsNotAField"}, Value: "foo"}, |
| }, |
| } |
| decl, err := testSchema(t).ExtractDeclaration(value, nil) |
| if err == nil { |
| t.Fatalf("ExtractDeclaration unexpectedly succeeded: %#v", decl) |
| } |
| if !strings.Contains(err.Error(), "conform") { |
| t.Fatalf("expected err to contain 'conform', got '%s'", err) |
| } |
| } |
| |
| func TestExtractDeclarationUnsafeSuccess(t *testing.T) { |
| value := gidlir.Record{ |
| Name: "ExampleStruct", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "ThisIsNotAField"}, Value: "foo"}, |
| }, |
| } |
| decl, err := testSchema(t).ExtractDeclarationUnsafe(value) |
| if err != nil { |
| t.Fatalf("ExtractDeclarationUnsafe failed: %s", err) |
| } |
| checkStruct(t, decl, "ExampleStruct", false) |
| } |
| |
| func TestExtractDeclarationByNameSuccess(t *testing.T) { |
| decl, err := testSchema(t).ExtractDeclarationByName("ExampleStruct") |
| if err != nil { |
| t.Fatalf("ExtractDeclarationUnsafe failed: %s", err) |
| } |
| checkStruct(t, decl, "ExampleStruct", false) |
| } |
| |
| // conformTest describes a test case for the Declaration.conforms method. |
| type conformTest interface { |
| value() interface{} |
| } |
| |
| type conformOk struct { |
| val interface{} |
| } |
| type conformFail struct { |
| val interface{} |
| errSubstring string |
| } |
| |
| func (c conformOk) value() interface{} { return c.val } |
| func (c conformFail) value() interface{} { return c.val } |
| |
| // checkConforms is a helper function to test the Declaration.conforms method. |
| func checkConforms(t *testing.T, ctx context, decl Declaration, tests []conformTest) { |
| t.Helper() |
| for _, test := range tests { |
| value := test.value() |
| err := decl.conforms(value, ctx) |
| switch test := test.(type) { |
| case conformOk: |
| if err != nil { |
| t.Errorf( |
| "value failed to conform to declaration\n\nvalue: %#v\n\nerr: %s\n\ndecl: %#v", |
| value, err, decl) |
| } |
| case conformFail: |
| if err == nil { |
| t.Errorf( |
| "value unexpectedly conformed to declaration\n\nvalue: %#v\n\ndecl: %#v", |
| value, decl) |
| } else if !strings.Contains(err.Error(), test.errSubstring) { |
| t.Errorf("expected error containing %q, but got %q", test.errSubstring, err.Error()) |
| } |
| default: |
| panic("unreachable") |
| } |
| } |
| } |
| |
| func TestBoolDeclConforms(t *testing.T) { |
| checkConforms(t, |
| context{}, |
| &BoolDecl{}, |
| []conformTest{ |
| conformOk{false}, |
| conformOk{true}, |
| conformFail{nil, "expecting bool"}, |
| conformFail{"foo", "expecting bool"}, |
| conformFail{42, "expecting bool"}, |
| conformFail{int64(42), "expecting bool"}, |
| }, |
| ) |
| } |
| |
| func TestIntegerDeclConforms(t *testing.T) { |
| checkConforms(t, |
| context{}, |
| &IntegerDecl{subtype: fidl.Uint8, lower: 0, upper: 255}, |
| []conformTest{ |
| conformOk{uint64(0)}, |
| conformOk{uint64(128)}, |
| conformOk{uint64(255)}, |
| conformFail{uint64(256), "out of range"}, |
| conformFail{int64(256), "out of range"}, |
| conformFail{int64(-1), "out of range"}, |
| conformFail{nil, "expecting int64 or uint64"}, |
| conformFail{0, "expecting int64 or uint64"}, |
| conformFail{uint(0), "expecting int64 or uint64"}, |
| conformFail{int8(0), "expecting int64 or uint64"}, |
| conformFail{uint8(0), "expecting int64 or uint64"}, |
| conformFail{"foo", "expecting int64 or uint64"}, |
| conformFail{1.5, "expecting int64 or uint64"}, |
| }, |
| ) |
| checkConforms(t, |
| context{}, |
| &IntegerDecl{subtype: fidl.Int64, lower: -5, upper: 10}, |
| []conformTest{ |
| conformOk{int64(-5)}, |
| conformOk{int64(10)}, |
| conformOk{uint64(10)}, |
| conformFail{int64(-6), "out of range"}, |
| conformFail{int64(11), "out of range"}, |
| conformFail{uint64(11), "out of range"}, |
| }, |
| ) |
| } |
| |
| func TestFloatDeclConforms(t *testing.T) { |
| tests := []conformTest{ |
| conformOk{0.0}, |
| conformOk{1.5}, |
| conformOk{-1.0}, |
| conformOk{gidlir.RawFloat(0)}, |
| conformFail{nil, "expecting float64"}, |
| conformFail{float32(0.0), "expecting float64"}, |
| conformFail{0, "expecting float64"}, |
| conformFail{"foo", "expecting float64"}, |
| conformFail{math.Inf(1), "must use raw_float"}, |
| conformFail{math.Inf(-1), "must use raw_float"}, |
| conformFail{math.NaN(), "must use raw_float"}, |
| } |
| tests32 := []conformTest{ |
| conformOk{math.MaxFloat32}, |
| conformOk{gidlir.RawFloat(math.Float32bits(float32(math.Inf(1))))}, |
| conformOk{gidlir.RawFloat(math.Float32bits(float32(math.NaN())))}, |
| conformFail{gidlir.RawFloat(0x1122334455), "out of range"}, |
| } |
| tests64 := []conformTest{ |
| conformOk{math.MaxFloat64}, |
| conformOk{gidlir.RawFloat(math.Float64bits(math.Inf(1)))}, |
| conformOk{gidlir.RawFloat(math.Float64bits(math.NaN()))}, |
| } |
| checkConforms(t, context{}, &FloatDecl{subtype: fidl.Float32}, append(tests, tests32...)) |
| checkConforms(t, context{}, &FloatDecl{subtype: fidl.Float64}, append(tests, tests64...)) |
| } |
| |
| func TestStringDeclConforms(t *testing.T) { |
| checkConforms(t, |
| context{}, |
| &StringDecl{bound: nil, nullable: false}, |
| []conformTest{ |
| conformOk{""}, |
| conformOk{"the quick brown fox"}, |
| conformFail{nil, "expecting non-null string"}, |
| conformFail{0, "expecting string"}, |
| }, |
| ) |
| checkConforms(t, |
| context{}, |
| &StringDecl{bound: nil, nullable: true}, |
| []conformTest{ |
| conformOk{"foo"}, |
| conformOk{nil}, |
| conformFail{0, "expecting string"}, |
| }, |
| ) |
| two := 2 |
| checkConforms(t, |
| context{}, |
| &StringDecl{bound: &two, nullable: false}, |
| []conformTest{ |
| conformOk{""}, |
| conformOk{"1"}, |
| conformOk{"12"}, |
| conformFail{"123", "too long"}, |
| conformFail{"the quick brown fox", "too long"}, |
| }, |
| ) |
| } |
| |
| func TestHandleDeclConforms(t *testing.T) { |
| // Cannot refer to any handles if there are no handle_defs. |
| checkConforms(t, |
| context{}, |
| &HandleDecl{subtype: fidl.Event, nullable: false}, |
| []conformTest{ |
| conformFail{gidlir.Handle(-1), "out of range"}, |
| conformFail{gidlir.Handle(0), "out of range"}, |
| conformFail{gidlir.Handle(1), "out of range"}, |
| conformFail{gidlir.Handle(2), "out of range"}, |
| conformFail{gidlir.Handle(3), "out of range"}, |
| conformFail{nil, "expecting non-null handle"}, |
| conformFail{"foo", "expecting handle"}, |
| conformFail{0, "expecting handle"}, |
| }, |
| ) |
| // The FIDL type `handle` is compatible with all subtypes. |
| checkConforms(t, |
| context{ |
| handleDefs: []gidlir.HandleDef{ |
| {Subtype: fidl.Event}, // #0 |
| {Subtype: fidl.Port}, // #1 |
| {Subtype: fidl.Event}, // #2 |
| }, |
| }, |
| &HandleDecl{subtype: fidl.Handle, nullable: false}, |
| []conformTest{ |
| conformOk{gidlir.Handle(0)}, |
| conformOk{gidlir.Handle(1)}, |
| conformOk{gidlir.Handle(2)}, |
| conformFail{gidlir.Handle(-1), "out of range"}, |
| conformFail{gidlir.Handle(3), "out of range"}, |
| conformFail{nil, "expecting non-null handle"}, |
| conformFail{"foo", "expecting handle"}, |
| conformFail{0, "expecting handle"}, |
| }, |
| ) |
| // The FIDL type `handle<event>` requires an event. |
| checkConforms(t, |
| context{ |
| handleDefs: []gidlir.HandleDef{ |
| {Subtype: fidl.Event}, // #0 |
| {Subtype: fidl.Port}, // #1 |
| {Subtype: fidl.Event}, // #2 |
| }, |
| }, |
| &HandleDecl{subtype: fidl.Event, nullable: false}, |
| []conformTest{ |
| conformOk{gidlir.Handle(0)}, |
| conformOk{gidlir.Handle(2)}, |
| conformFail{gidlir.Handle(1), "expecting handle<event>"}, |
| conformFail{gidlir.Handle(-1), "out of range"}, |
| conformFail{gidlir.Handle(3), "out of range"}, |
| conformFail{nil, "expecting non-null handle"}, |
| conformFail{"foo", "expecting handle"}, |
| conformFail{0, "expecting handle"}, |
| }, |
| ) |
| // The FIDL type `handle<port>?` requires an event or nil. |
| checkConforms(t, |
| context{ |
| handleDefs: []gidlir.HandleDef{ |
| {Subtype: fidl.Event}, // #0 |
| {Subtype: fidl.Port}, // #1 |
| {Subtype: fidl.Event}, // #2 |
| }, |
| }, |
| &HandleDecl{subtype: fidl.Port, nullable: true}, |
| []conformTest{ |
| conformOk{gidlir.Handle(1)}, |
| conformOk{nil}, |
| conformFail{gidlir.Handle(0), "expecting handle<port>"}, |
| conformFail{gidlir.Handle(2), "expecting handle<port>"}, |
| conformFail{gidlir.Handle(-1), "out of range"}, |
| conformFail{gidlir.Handle(3), "out of range"}, |
| conformFail{0, "expecting handle"}, |
| }, |
| ) |
| } |
| |
| func TestBitsDeclConforms(t *testing.T) { |
| decl, ok := testSchema(t).lookupDeclByName("ExampleBits", false) |
| if !ok { |
| t.Fatalf("lookupDeclByName failed") |
| } |
| bitsDecl := decl.(*BitsDecl) |
| checkConforms(t, |
| context{}, |
| bitsDecl, |
| []conformTest{ |
| // Underlying type for ExampleBits is uint8. |
| conformOk{uint64(0)}, |
| conformOk{uint64(255)}, |
| conformFail{uint64(256), "out of range"}, |
| conformFail{int64(256), "out of range"}, |
| conformFail{int64(-1), "out of range"}, |
| conformFail{nil, "expecting int64 or uint64"}, |
| conformFail{0, "expecting int64 or uint64"}, |
| conformFail{uint(0), "expecting int64 or uint64"}, |
| conformFail{int8(0), "expecting int64 or uint64"}, |
| conformFail{uint8(0), "expecting int64 or uint64"}, |
| conformFail{"foo", "expecting int64 or uint64"}, |
| conformFail{1.5, "expecting int64 or uint64"}, |
| }, |
| ) |
| } |
| |
| func TestEnumDeclConforms(t *testing.T) { |
| decl, ok := testSchema(t).lookupDeclByName("ExampleEnum", false) |
| if !ok { |
| t.Fatalf("lookupDeclByName failed") |
| } |
| enumDecl := decl.(*EnumDecl) |
| checkConforms(t, |
| context{}, |
| enumDecl, |
| []conformTest{ |
| // Underlying type for ExampleEnum is uint8. |
| conformOk{uint64(0)}, |
| conformOk{uint64(255)}, |
| conformFail{uint64(256), "out of range"}, |
| conformFail{int64(256), "out of range"}, |
| conformFail{int64(-1), "out of range"}, |
| conformFail{nil, "expecting int64 or uint64"}, |
| conformFail{0, "expecting int64 or uint64"}, |
| conformFail{uint(0), "expecting int64 or uint64"}, |
| conformFail{int8(0), "expecting int64 or uint64"}, |
| conformFail{uint8(0), "expecting int64 or uint64"}, |
| conformFail{"foo", "expecting int64 or uint64"}, |
| conformFail{1.5, "expecting int64 or uint64"}, |
| }, |
| ) |
| } |
| |
| func TestStructDeclConformsNonNullable(t *testing.T) { |
| decl, ok := testSchema(t).lookupDeclByName("ExampleStruct", false) |
| if !ok { |
| t.Fatalf("lookupDeclByName failed") |
| } |
| structDecl := decl.(*StructDecl) |
| checkConforms(t, |
| context{}, |
| structDecl, |
| []conformTest{ |
| conformOk{gidlir.Record{ |
| Name: "ExampleStruct", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "s"}, Value: "foo"}, |
| }, |
| }}, |
| conformFail{gidlir.Record{ |
| Name: "ExampleStruct", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "DefinitelyNotS"}, Value: "foo"}, |
| }, |
| }, "field DefinitelyNotS: unknown"}, |
| conformFail{gidlir.Record{ |
| Name: "DefinitelyNotExampleStruct", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "s"}, Value: "foo"}, |
| }, |
| }, "expecting struct test.mixer/ExampleStruct"}, |
| conformFail{nil, "expecting non-null struct"}, |
| conformFail{"foo", "expecting struct"}, |
| conformFail{0, "expecting struct"}, |
| }, |
| ) |
| } |
| |
| func TestStructDeclConformsNullable(t *testing.T) { |
| decl, ok := testSchema(t).lookupDeclByName("ExampleStruct", true) |
| if !ok { |
| t.Fatalf("lookupDeclByName failed") |
| } |
| structDecl := decl.(*StructDecl) |
| checkConforms(t, |
| context{}, |
| structDecl, |
| []conformTest{ |
| conformOk{gidlir.Record{ |
| Name: "ExampleStruct", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "s"}, Value: "foo"}, |
| }, |
| }}, |
| conformOk{nil}, |
| }, |
| ) |
| } |
| |
| func TestTableDeclConforms(t *testing.T) { |
| decl, ok := testSchema(t).lookupDeclByName("ExampleTable", false) |
| if !ok { |
| t.Fatalf("lookupDeclByName failed") |
| } |
| tableDecl := decl.(*TableDecl) |
| checkConforms(t, |
| context{}, |
| tableDecl, |
| []conformTest{ |
| conformOk{gidlir.Record{ |
| Name: "ExampleTable", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "s"}, Value: "foo"}, |
| }, |
| }}, |
| conformOk{gidlir.Record{ |
| Name: "ExampleTable", |
| Fields: []gidlir.Field{ |
| { |
| // 2 is a reserved field |
| Key: gidlir.FieldKey{UnknownOrdinal: 2}, |
| Value: gidlir.UnknownData{}, |
| }, |
| }, |
| }}, |
| conformOk{gidlir.Record{ |
| Name: "ExampleTable", |
| Fields: []gidlir.Field{ |
| { |
| // 3 is an unknown field |
| Key: gidlir.FieldKey{UnknownOrdinal: 3}, |
| Value: gidlir.UnknownData{}, |
| }, |
| }, |
| }}, |
| conformFail{gidlir.Record{ |
| Name: "ExampleTable", |
| Fields: []gidlir.Field{ |
| { |
| // 1 is a known field |
| Key: gidlir.FieldKey{UnknownOrdinal: 1}, |
| Value: gidlir.UnknownData{}, |
| }, |
| }, |
| }, "field name must be used rather than ordinal 1"}, |
| conformFail{gidlir.Record{ |
| Name: "ExampleTable", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "DefinitelyNotS"}, Value: "foo"}, |
| }, |
| }, "field DefinitelyNotS: unknown"}, |
| conformFail{gidlir.Record{ |
| Name: "DefinitelyNotExampleTable", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "s"}, Value: "foo"}, |
| }, |
| }, "expecting table test.mixer/ExampleTable"}, |
| conformFail{nil, "expecting non-null table"}, |
| conformFail{"foo", "expecting table"}, |
| conformFail{0, "expecting table"}, |
| }, |
| ) |
| } |
| |
| func TestFlexibleUnionDeclConformsNonNullable(t *testing.T) { |
| decl, ok := testSchema(t).lookupDeclByName("ExampleFlexibleUnion", false) |
| if !ok { |
| t.Fatalf("lookupDeclByName failed") |
| } |
| unionDecl := decl.(*UnionDecl) |
| checkConforms(t, |
| context{}, |
| unionDecl, |
| []conformTest{ |
| conformOk{gidlir.Record{ |
| Name: "ExampleFlexibleUnion", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "s"}, Value: "foo"}, |
| }, |
| }}, |
| conformOk{gidlir.Record{ |
| Name: "ExampleFlexibleUnion", |
| Fields: []gidlir.Field{ |
| { |
| Key: gidlir.FieldKey{UnknownOrdinal: 2}, |
| Value: gidlir.UnknownData{}, |
| }, |
| }, |
| }}, |
| conformFail{gidlir.Record{ |
| Name: "ExampleFlexibleUnion", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "DefinitelyNotS"}, Value: "foo"}, |
| }, |
| }, "field DefinitelyNotS: unknown"}, |
| conformFail{gidlir.Record{ |
| Name: "DefinitelyNotExampleFlexibleUnion", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "s"}, Value: "foo"}, |
| }, |
| }, "expecting union test.mixer/ExampleFlexibleUnion"}, |
| conformFail{gidlir.Record{ |
| Name: "ExampleFlexibleUnion", |
| Fields: []gidlir.Field{ |
| { |
| Key: gidlir.FieldKey{UnknownOrdinal: 1}, |
| Value: gidlir.UnknownData{}, |
| }, |
| }, |
| }, "field name must be used rather than ordinal 1"}, |
| conformFail{nil, "expecting non-null union"}, |
| conformFail{"foo", "expecting union"}, |
| conformFail{0, "expecting union"}, |
| }, |
| ) |
| } |
| |
| func TestUnionDeclConformsNullable(t *testing.T) { |
| decl, ok := testSchema(t).lookupDeclByName("ExampleFlexibleUnion", true) |
| if !ok { |
| t.Fatalf("lookupDeclByName failed") |
| } |
| unionDecl := decl.(*UnionDecl) |
| checkConforms(t, |
| context{}, |
| unionDecl, |
| []conformTest{ |
| conformOk{gidlir.Record{ |
| Name: "ExampleFlexibleUnion", |
| Fields: []gidlir.Field{ |
| {Key: gidlir.FieldKey{Name: "s"}, Value: "foo"}, |
| }, |
| }}, |
| conformOk{nil}, |
| }, |
| ) |
| } |
| |
| func TestStrictUnionConforms(t *testing.T) { |
| decl, ok := testSchema(t).lookupDeclByName("ExampleStrictUnion", false) |
| if !ok { |
| t.Fatalf("lookupDeclByName failed") |
| } |
| unionDecl := decl.(*UnionDecl) |
| checkConforms(t, |
| context{}, |
| unionDecl, |
| []conformTest{ |
| conformFail{gidlir.Record{ |
| Name: "ExampleStrictUnion", |
| Fields: []gidlir.Field{ |
| { |
| Key: gidlir.FieldKey{UnknownOrdinal: 2}, |
| Value: gidlir.UnknownData{}, |
| }, |
| }, |
| }, "cannot use unknown ordinal in a strict union"}, |
| }, |
| ) |
| } |
| |
| func TestArrayDeclConforms(t *testing.T) { |
| two := 2 |
| checkConforms(t, |
| context{}, |
| &ArrayDecl{ |
| schema: testSchema(t), |
| typ: fidl.Type{ |
| Kind: fidl.ArrayType, |
| ElementCount: &two, |
| ElementType: &fidl.Type{ |
| Kind: fidl.PrimitiveType, |
| PrimitiveSubtype: fidl.Uint8, |
| }, |
| }, |
| }, |
| []conformTest{ |
| conformOk{[]interface{}{uint64(1), uint64(2)}}, |
| conformFail{[]interface{}{}, "expecting 2 elements"}, |
| conformFail{[]interface{}{uint64(1)}, "expecting 2 elements"}, |
| conformFail{[]interface{}{uint64(1), uint64(1), uint64(1)}, "expecting 2 elements"}, |
| conformFail{[]interface{}{"a", "b"}, "[0]: expecting int64 or uint64"}, |
| conformFail{[]interface{}{nil, nil}, "[0]: expecting int64 or uint64"}, |
| }, |
| ) |
| } |
| |
| func TestVectorDeclConforms(t *testing.T) { |
| two := 2 |
| checkConforms(t, |
| context{}, |
| &VectorDecl{ |
| schema: testSchema(t), |
| typ: fidl.Type{ |
| Kind: fidl.VectorType, |
| ElementCount: &two, |
| ElementType: &fidl.Type{ |
| Kind: fidl.PrimitiveType, |
| PrimitiveSubtype: fidl.Uint8, |
| }, |
| }, |
| }, |
| []conformTest{ |
| conformOk{[]interface{}{}}, |
| conformOk{[]interface{}{uint64(1)}}, |
| conformOk{[]interface{}{uint64(1), uint64(2)}}, |
| conformFail{[]interface{}{uint64(1), uint64(1), uint64(1)}, "expecting at most 2 elements"}, |
| conformFail{[]interface{}{"a", "b"}, "[0]: expecting int64 or uint64"}, |
| conformFail{[]interface{}{nil, nil}, "[0]: expecting int64 or uint64"}, |
| }, |
| ) |
| } |
| |
| func TestVectorDeclConformsWithHandles(t *testing.T) { |
| checkConforms(t, |
| context{ |
| handleDefs: []gidlir.HandleDef{ |
| {Subtype: fidl.Event}, |
| {Subtype: fidl.Event}, |
| }, |
| }, |
| &VectorDecl{ |
| schema: testSchema(t), |
| typ: fidl.Type{ |
| Kind: fidl.VectorType, |
| ElementType: &fidl.Type{ |
| Kind: fidl.HandleType, |
| HandleSubtype: fidl.Event, |
| }, |
| }, |
| }, |
| []conformTest{ |
| conformOk{[]interface{}{}}, |
| conformOk{[]interface{}{gidlir.Handle(0)}}, |
| conformOk{[]interface{}{gidlir.Handle(0), gidlir.Handle(1)}}, |
| conformOk{[]interface{}{gidlir.Handle(1), gidlir.Handle(0)}}, |
| // The parser is responsible for ensuring handles are used exactly |
| // once, not the mixer, so this passes. |
| conformOk{[]interface{}{gidlir.Handle(0), gidlir.Handle(0)}}, |
| conformFail{[]interface{}{uint64(0)}, "[0]: expecting handle"}, |
| conformFail{[]interface{}{nil}, "[0]: expecting non-null handle"}, |
| }, |
| ) |
| } |
| |
| type visitor struct { |
| visited string |
| } |
| |
| func (v *visitor) OnBool(bool) { v.visited = "Bool" } |
| func (v *visitor) OnInt64(int64, fidl.PrimitiveSubtype) { v.visited = "Int64" } |
| func (v *visitor) OnUint64(uint64, fidl.PrimitiveSubtype) { v.visited = "Uint64" } |
| func (v *visitor) OnFloat64(float64, fidl.PrimitiveSubtype) { v.visited = "Float64" } |
| func (v *visitor) OnString(string, *StringDecl) { v.visited = "String" } |
| func (v *visitor) OnHandle(gidlir.Handle, *HandleDecl) { v.visited = "Handle" } |
| func (v *visitor) OnBits(interface{}, *BitsDecl) { v.visited = "Bits" } |
| func (v *visitor) OnEnum(interface{}, *EnumDecl) { v.visited = "Enum" } |
| func (v *visitor) OnStruct(gidlir.Record, *StructDecl) { v.visited = "Struct" } |
| func (v *visitor) OnTable(gidlir.Record, *TableDecl) { v.visited = "Table" } |
| func (v *visitor) OnUnion(gidlir.Record, *UnionDecl) { v.visited = "Union" } |
| func (v *visitor) OnArray([]interface{}, *ArrayDecl) { v.visited = "Array" } |
| func (v *visitor) OnVector([]interface{}, *VectorDecl) { v.visited = "Vector" } |
| func (v *visitor) OnNull(Declaration) { v.visited = "Null" } |
| |
| func TestVisit(t *testing.T) { |
| tests := []struct { |
| value interface{} |
| decl Declaration |
| expected string |
| }{ |
| {false, &BoolDecl{}, "Bool"}, |
| {int64(1), &IntegerDecl{subtype: fidl.Int8}, "Int64"}, |
| {uint64(1), &IntegerDecl{subtype: fidl.Uint8}, "Uint64"}, |
| {1.23, &FloatDecl{subtype: fidl.Float32}, "Float64"}, |
| {"foo", &StringDecl{}, "String"}, |
| {gidlir.Handle(0), &HandleDecl{subtype: fidl.Event}, "Handle"}, |
| {nil, &StringDecl{nullable: true}, "Null"}, |
| // These values and decls are not fully initialized, but for the |
| // purposes of Visit() it should not matter. |
| {uint64(1), &BitsDecl{}, "Bits"}, |
| {int64(-1), &BitsDecl{}, "Bits"}, |
| {uint64(1), &EnumDecl{}, "Enum"}, |
| {int64(-1), &EnumDecl{}, "Enum"}, |
| {gidlir.Record{}, &StructDecl{}, "Struct"}, |
| {gidlir.Record{}, &TableDecl{}, "Table"}, |
| {gidlir.Record{}, &UnionDecl{}, "Union"}, |
| } |
| for _, test := range tests { |
| var v visitor |
| Visit(&v, test.value, test.decl) |
| if v.visited != test.expected { |
| t.Errorf("expected dispatch to %q, got %q\n\nvalue: %#v\n\ndecl:%#v", |
| test.expected, v.visited, test.value, test.decl) |
| } |
| } |
| } |
