func TestTypeSystem_ObjectsMustAdhereToInterfaceTheyImplement_AcceptsAnObjectWithAnEquivalentlyModifiedInterfaceField(t *testing.T) {
	anotherInterface := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name: "AnotherInterface",
		ResolveType: func(value interface{}, info types.GraphQLResolveInfo) *types.GraphQLObjectType {
			return nil
		},
		Fields: types.GraphQLFieldConfigMap{
			"field": &types.GraphQLFieldConfig{
				Type: types.NewGraphQLNonNull(types.NewGraphQLList(types.GraphQLString)),
			},
		},
	})
	anotherObject := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name:       "AnotherObject",
		Interfaces: []*types.GraphQLInterfaceType{anotherInterface},
		Fields: types.GraphQLFieldConfigMap{
			"field": &types.GraphQLFieldConfig{
				Type: types.NewGraphQLNonNull(types.NewGraphQLList(types.GraphQLString)),
			},
		},
	})
	_, err := schemaWithObjectFieldOfType(anotherObject)
	if err != nil {
		t.Fatalf(`unexpected error: %v for type "%v"`, err, anotherObject)
	}
}
func TestTypeSystem_DefinitionExample_StringifiesSimpleTypes(t *testing.T) {

	type Test struct {
		ttype    types.GraphQLType
		expected string
	}
	tests := []Test{
		Test{types.GraphQLInt, "Int"},
		Test{blogArticle, "Article"},
		Test{interfaceType, "Interface"},
		Test{unionType, "Union"},
		Test{enumType, "Enum"},
		Test{inputObjectType, "InputObject"},
		Test{types.NewGraphQLNonNull(types.GraphQLInt), "Int!"},
		Test{types.NewGraphQLList(types.GraphQLInt), "[Int]"},
		Test{types.NewGraphQLNonNull(types.NewGraphQLList(types.GraphQLInt)), "[Int]!"},
		Test{types.NewGraphQLList(types.NewGraphQLNonNull(types.GraphQLInt)), "[Int!]"},
		Test{types.NewGraphQLList(types.NewGraphQLList(types.GraphQLInt)), "[[Int]]"},
	}
	for _, test := range tests {
		ttypeStr := fmt.Sprintf("%v", test.ttype)
		if ttypeStr != test.expected {
			t.Fatalf(`expected %v , got: %v`, test.expected, ttypeStr)
		}
	}
}
示例#3
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func PluralIdentifyingRootField(config PluralIdentifyingRootFieldConfig) *types.GraphQLFieldConfig {
	inputArgs := types.GraphQLFieldConfigArgumentMap{}
	if config.ArgName != "" {
		inputArgs[config.ArgName] = &types.GraphQLArgumentConfig{
			Type: types.NewGraphQLNonNull(types.NewGraphQLList(types.NewGraphQLNonNull(config.InputType))),
		}
	}

	return &types.GraphQLFieldConfig{
		Description: config.Description,
		Type:        types.NewGraphQLList(config.OutputType),
		Args:        inputArgs,
		Resolve: func(p types.GQLFRParams) interface{} {
			inputs, ok := p.Args[config.ArgName]
			if !ok {
				return nil
			}

			if config.ResolveSingleInput == nil {
				return nil
			}
			switch inputs := inputs.(type) {
			case []interface{}:
				res := []interface{}{}
				for _, input := range inputs {
					r := config.ResolveSingleInput(input)
					res = append(res, r)
				}
				return res
			}
			return nil
		},
	}
}
func withModifiers(ttypes []types.GraphQLType) []types.GraphQLType {
	res := ttypes
	for _, ttype := range ttypes {
		res = append(res, types.NewGraphQLList(ttype))
	}
	for _, ttype := range ttypes {
		res = append(res, types.NewGraphQLNonNull(ttype))
	}
	for _, ttype := range ttypes {
		res = append(res, types.NewGraphQLNonNull(types.NewGraphQLList(ttype)))
	}
	return res
}
func TestTypeSystem_ListMustAcceptGraphQLTypes_RejectsANilTypeAsItemTypeOfList(t *testing.T) {
	result := types.NewGraphQLList(nil)
	expectedError := `Can only create List of a GraphQLType but got: <nil>.`
	if result.GetError() == nil || result.GetError().Error() != expectedError {
		t.Fatalf("Expected error: %v, got %v", expectedError, result.GetError())
	}
}
func TestTypeSystem_DefinitionExample_IdentifiesOutputTypes(t *testing.T) {
	type Test struct {
		ttype    types.GraphQLType
		expected bool
	}
	tests := []Test{
		Test{types.GraphQLInt, true},
		Test{objectType, true},
		Test{interfaceType, true},
		Test{unionType, true},
		Test{enumType, true},
		Test{inputObjectType, false},
	}
	for _, test := range tests {
		ttypeStr := fmt.Sprintf("%v", test.ttype)
		if types.IsOutputType(test.ttype) != test.expected {
			t.Fatalf(`expected %v , got: %v`, test.expected, ttypeStr)
		}
		if types.IsOutputType(types.NewGraphQLList(test.ttype)) != test.expected {
			t.Fatalf(`expected %v , got: %v`, test.expected, ttypeStr)
		}
		if types.IsOutputType(types.NewGraphQLNonNull(test.ttype)) != test.expected {
			t.Fatalf(`expected %v , got: %v`, test.expected, ttypeStr)
		}
	}
}
示例#7
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func TestLists_NonNullListOfNonNullFunc_ReturnsNull(t *testing.T) {
	ttype := types.NewGraphQLNonNull(types.NewGraphQLList(types.NewGraphQLNonNull(types.GraphQLInt)))

	// `data` is a function that return values
	// Note that its uses the expected signature `func() interface{} {...}`
	data := func() interface{} {
		return nil
	}
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"nest": nil,
		},
		Errors: []graphqlerrors.GraphQLFormattedError{
			graphqlerrors.GraphQLFormattedError{
				Message: "Cannot return null for non-nullable field DataType.test.",
				Locations: []location.SourceLocation{
					location.SourceLocation{
						Line:   1,
						Column: 10,
					},
				},
			},
		},
	}
	checkList(t, ttype, data, expected)
}
示例#8
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func TestLists_NullableListOfNonNullObjects_ContainsNull(t *testing.T) {
	ttype := types.NewGraphQLList(types.NewGraphQLNonNull(types.GraphQLInt))
	data := []interface{}{
		1, nil, 2,
	}
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"nest": map[string]interface{}{
				"test": nil,
			},
		},
		Errors: []graphqlerrors.GraphQLFormattedError{
			graphqlerrors.GraphQLFormattedError{
				Message: "Cannot return null for non-nullable field DataType.test.",
				Locations: []location.SourceLocation{
					location.SourceLocation{
						Line:   1,
						Column: 10,
					},
				},
			},
		},
	}
	checkList(t, ttype, data, expected)
}
示例#9
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func TestLists_NonNullListOfNonNullArrayOfFunc_ContainsNulls(t *testing.T) {
	ttype := types.NewGraphQLNonNull(types.NewGraphQLList(types.NewGraphQLNonNull(types.GraphQLInt)))

	// `data` is a slice of functions that return values
	// Note that its uses the expected signature `func() interface{} {...}`
	data := []interface{}{
		func() interface{} {
			return 1
		},
		func() interface{} {
			return nil
		},
		func() interface{} {
			return 2
		},
	}
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"nest": map[string]interface{}{
				"test": []interface{}{
					1, nil, 2,
				},
			},
		},
	}
	checkList(t, ttype, data, expected)
}
func TestTypeSystem_NonNullMustAcceptGraphQLTypes_AcceptsAnTypeAsNullableTypeOfNonNull(t *testing.T) {
	nullableTypes := []types.GraphQLType{
		types.GraphQLString,
		someScalarType,
		someObjectType,
		someUnionType,
		someInterfaceType,
		someEnumType,
		someInputObject,
		types.NewGraphQLList(types.GraphQLString),
		types.NewGraphQLList(types.NewGraphQLNonNull(types.GraphQLString)),
	}
	for _, ttype := range nullableTypes {
		result := types.NewGraphQLNonNull(ttype)
		if result.GetError() != nil {
			t.Fatalf(`unexpected error: %v for type "%v"`, result.GetError(), ttype)
		}
	}
}
示例#11
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func TestLists_ListOfNullableObjects_ReturnsNull(t *testing.T) {
	ttype := types.NewGraphQLList(types.GraphQLInt)
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"nest": map[string]interface{}{
				"test": nil,
			},
		},
	}
	checkList(t, ttype, nil, expected)
}
示例#12
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func TestLists_ListOfNullableObjects_ContainsNull(t *testing.T) {
	ttype := types.NewGraphQLList(types.GraphQLInt)
	data := []interface{}{
		1, nil, 2,
	}
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"nest": map[string]interface{}{
				"test": []interface{}{
					1, nil, 2,
				},
			},
		},
	}
	checkList(t, ttype, data, expected)
}
func TestTypeSystem_ListMustAcceptGraphQLTypes_AcceptsAnTypeAsItemTypeOfList(t *testing.T) {
	testTypes := withModifiers([]types.GraphQLType{
		types.GraphQLString,
		someScalarType,
		someEnumType,
		someObjectType,
		someUnionType,
		someInterfaceType,
	})
	for _, ttype := range testTypes {
		result := types.NewGraphQLList(ttype)
		if result.GetError() != nil {
			t.Fatalf(`unexpected error: %v for type "%v"`, result.GetError(), ttype)
		}
	}
}
示例#14
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// Describe [T!]! Array<T>
func TestLists_NonNullListOfNonNullObjects_ContainsValues(t *testing.T) {
	ttype := types.NewGraphQLNonNull(types.NewGraphQLList(types.NewGraphQLNonNull(types.GraphQLInt)))
	data := []interface{}{
		1, 2,
	}
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"nest": map[string]interface{}{
				"test": []interface{}{
					1, 2,
				},
			},
		},
	}
	checkList(t, ttype, data, expected)
}
示例#15
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func TestLists_NullableListOfNonNullFunc_ReturnsNull(t *testing.T) {
	ttype := types.NewGraphQLList(types.NewGraphQLNonNull(types.GraphQLInt))

	// `data` is a function that return values
	// Note that its uses the expected signature `func() interface{} {...}`
	data := func() interface{} {
		return nil
	}
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"nest": map[string]interface{}{
				"test": nil,
			},
		},
	}
	checkList(t, ttype, data, expected)
}
示例#16
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func ConnectionDefinitions(config ConnectionConfig) *GraphQLConnectionDefinitions {

	edgeType := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name:        config.Name + "Edge",
		Description: "An edge in a connection",
		Fields: types.GraphQLFieldConfigMap{
			"node": &types.GraphQLFieldConfig{
				Type:        config.NodeType,
				Description: "The item at the end of the edge",
			},
			"cursor": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLNonNull(types.GraphQLString),
				Description: " cursor for use in pagination",
			},
		},
	})
	for fieldName, fieldConfig := range config.EdgeFields {
		edgeType.AddFieldConfig(fieldName, fieldConfig)
	}

	connectionType := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name:        config.Name + "Connection",
		Description: "A connection to a list of items.",

		Fields: types.GraphQLFieldConfigMap{
			"pageInfo": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLNonNull(pageInfoType),
				Description: "Information to aid in pagination.",
			},
			"edges": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLList(edgeType),
				Description: "Information to aid in pagination.",
			},
		},
	})
	for fieldName, fieldConfig := range config.ConnectionFields {
		connectionType.AddFieldConfig(fieldName, fieldConfig)
	}

	return &GraphQLConnectionDefinitions{
		EdgeType:       edgeType,
		ConnectionType: connectionType,
	}
}
示例#17
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// Describe [T] Func()Array<T> // equivalent to Promise<Array<T>>
func TestLists_ListOfNullableFunc_ContainsValues(t *testing.T) {
	ttype := types.NewGraphQLList(types.GraphQLInt)

	// `data` is a function that return values
	// Note that its uses the expected signature `func() interface{} {...}`
	data := func() interface{} {
		return []interface{}{
			1, 2,
		}
	}
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"nest": map[string]interface{}{
				"test": []interface{}{
					1, 2,
				},
			},
		},
	}
	checkList(t, ttype, data, expected)
}
示例#18
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func TestFailsWhenAnIsTypeOfCheckIsNotMet(t *testing.T) {

	query := `{ specials { value } }`

	data := map[string]interface{}{
		"specials": []interface{}{
			testSpecialType{"foo"},
			testNotSpecialType{"bar"},
		},
	}

	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"specials": []interface{}{
				map[string]interface{}{
					"value": "foo",
				},
				nil,
			},
		},
		Errors: []graphqlerrors.GraphQLFormattedError{
			graphqlerrors.GraphQLFormattedError{
				Message:   `Expected value of type "SpecialType" but got: executor_test.testNotSpecialType.`,
				Locations: []location.SourceLocation{},
			},
		},
	}

	specialType := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "SpecialType",
		IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
			if _, ok := value.(testSpecialType); ok {
				return true
			}
			return false
		},
		Fields: types.GraphQLFieldConfigMap{
			"value": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					return p.Source.(testSpecialType).Value
				},
			},
		},
	})
	schema, err := types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
			Name: "Query",
			Fields: types.GraphQLFieldConfigMap{
				"specials": &types.GraphQLFieldConfig{
					Type: types.NewGraphQLList(specialType),
					Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
						return p.Source.(map[string]interface{})["specials"]
					},
				},
			},
		}),
	})
	if err != nil {
		t.Fatalf("Error in schema %v", err.Error())
	}

	// parse query
	ast := testutil.Parse(t, query)

	// execute
	ep := executor.ExecuteParams{
		Schema: schema,
		AST:    ast,
		Root:   data,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) == 0 {
		t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}
示例#19
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func TestExecutesArbitraryCode(t *testing.T) {

	deepData := map[string]interface{}{}
	data := map[string]interface{}{
		"a": func() interface{} { return "Apple" },
		"b": func() interface{} { return "Banana" },
		"c": func() interface{} { return "Cookie" },
		"d": func() interface{} { return "Donut" },
		"e": func() interface{} { return "Egg" },
		"f": "Fish",
		"pic": func(size int) string {
			return fmt.Sprintf("Pic of size: %v", size)
		},
		"deep": func() interface{} { return deepData },
	}
	data["promise"] = func() interface{} {
		return data
	}
	deepData = map[string]interface{}{
		"a":      func() interface{} { return "Already Been Done" },
		"b":      func() interface{} { return "Boring" },
		"c":      func() interface{} { return []string{"Contrived", "", "Confusing"} },
		"deeper": func() interface{} { return []interface{}{data, nil, data} },
	}

	query := `
      query Example($size: Int) {
        a,
        b,
        x: c
        ...c
        f
        ...on DataType {
          pic(size: $size)
          promise {
            a
          }
        }
        deep {
          a
          b
          c
          deeper {
            a
            b
          }
        }
      }

      fragment c on DataType {
        d
        e
      }
    `

	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"b": "Banana",
			"x": "Cookie",
			"d": "Donut",
			"e": "Egg",
			"promise": map[string]interface{}{
				"a": "Apple",
			},
			"a": "Apple",
			"deep": map[string]interface{}{
				"a": "Already Been Done",
				"b": "Boring",
				"c": []interface{}{
					"Contrived",
					nil,
					"Confusing",
				},
				"deeper": []interface{}{
					map[string]interface{}{
						"a": "Apple",
						"b": "Banana",
					},
					nil,
					map[string]interface{}{
						"a": "Apple",
						"b": "Banana",
					},
				},
			},
			"f":   "Fish",
			"pic": "Pic of size: 100",
		},
	}

	// Schema Definitions
	picResolverFn := func(ctx context.Context, p types.GQLFRParams) interface{} {
		// get and type assert ResolveFn for this field
		picResolver, ok := p.Source.(map[string]interface{})["pic"].(func(size int) string)
		if !ok {
			return nil
		}
		// get and type assert argument
		sizeArg, ok := p.Args["size"].(int)
		if !ok {
			return nil
		}
		return picResolver(sizeArg)
	}
	dataType := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "DataType",
		Fields: types.GraphQLFieldConfigMap{
			"a": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"b": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"c": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"d": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"e": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"f": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"pic": &types.GraphQLFieldConfig{
				Args: types.GraphQLFieldConfigArgumentMap{
					"size": &types.GraphQLArgumentConfig{
						Type: types.GraphQLInt,
					},
				},
				Type:    types.GraphQLString,
				Resolve: picResolverFn,
			},
		},
	})
	deepDataType := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "DeepDataType",
		Fields: types.GraphQLFieldConfigMap{
			"a": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"b": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"c": &types.GraphQLFieldConfig{
				Type: types.NewGraphQLList(types.GraphQLString),
			},
			"deeper": &types.GraphQLFieldConfig{
				Type: types.NewGraphQLList(dataType),
			},
		},
	})

	// Exploring a way to have a GraphQLObjectType within itself
	// in this case DataType has DeepDataType has DataType
	dataType.AddFieldConfig("deep", &types.GraphQLFieldConfig{
		Type: deepDataType,
	})
	// in this case DataType has DataType
	dataType.AddFieldConfig("promise", &types.GraphQLFieldConfig{
		Type: dataType,
	})

	schema, err := types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: dataType,
	})
	if err != nil {
		t.Fatalf("Error in schema %v", err.Error())
	}

	// parse query
	astDoc := testutil.Parse(t, query)

	// execute
	args := map[string]interface{}{
		"size": 100,
	}
	operationName := "Example"
	ep := executor.ExecuteParams{
		Schema:        schema,
		Root:          data,
		AST:           astDoc,
		OperationName: operationName,
		Args:          args,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) > 0 {
		t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}
func TestUnionIntersectionTypes_GetsExecutionInfoInResolver(t *testing.T) {

	var encounteredSchema *types.GraphQLSchema
	var encounteredRootValue interface{}

	var personType2 *types.GraphQLObjectType

	namedType2 := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name: "Named",
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
		},
		ResolveType: func(value interface{}, info types.GraphQLResolveInfo) *types.GraphQLObjectType {
			encounteredSchema = &info.Schema
			encounteredRootValue = info.RootValue
			return personType2
		},
	})

	personType2 = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Person",
		Interfaces: []*types.GraphQLInterfaceType{
			namedType2,
		},
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"friends": &types.GraphQLFieldConfig{
				Type: types.NewGraphQLList(namedType2),
			},
		},
	})

	schema2, _ := types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: personType2,
	})

	john2 := &testPerson{
		Name: "John",
		Friends: []testNamedType{
			liz,
		},
	}

	doc := `{ name, friends { name } }`
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"name": "John",
			"friends": []interface{}{
				map[string]interface{}{
					"name": "Liz",
				},
			},
		},
	}
	// parse query
	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: schema2,
		AST:    ast,
		Root:   john2,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) != len(expected.Errors) {
		t.Fatalf("Unexpected errors, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}
			return dogType
		}
		return nil
	},
})
var personType = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
	Name: "Person",
	Interfaces: []*types.GraphQLInterfaceType{
		namedType,
	},
	Fields: types.GraphQLFieldConfigMap{
		"name": &types.GraphQLFieldConfig{
			Type: types.GraphQLString,
		},
		"pets": &types.GraphQLFieldConfig{
			Type: types.NewGraphQLList(petType),
		},
		"friends": &types.GraphQLFieldConfig{
			Type: types.NewGraphQLList(namedType),
		},
	},
	IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
		_, ok := value.(*testPerson)
		return ok
	},
})

var unionInterfaceTestSchema, _ = types.NewGraphQLSchema(types.GraphQLSchemaConfig{
	Query: personType,
})
func TestIntrospection_ExecutesAnInputObject(t *testing.T) {

	testInputObject := types.NewGraphQLInputObjectType(types.InputObjectConfig{
		Name: "TestInputObject",
		Fields: types.InputObjectConfigFieldMap{
			"a": &types.InputObjectFieldConfig{
				Type:         types.GraphQLString,
				DefaultValue: "foo",
			},
			"b": &types.InputObjectFieldConfig{
				Type: types.NewGraphQLList(types.GraphQLString),
			},
		},
	})
	testType := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "TestType",
		Fields: types.GraphQLFieldConfigMap{
			"field": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Args: types.GraphQLFieldConfigArgumentMap{
					"complex": &types.GraphQLArgumentConfig{
						Type: testInputObject,
					},
				},
				Resolve: func(p types.GQLFRParams) interface{} {
					return p.Args["complex"]
				},
			},
		},
	})
	schema, err := types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: testType,
	})
	if err != nil {
		t.Fatalf("Error creating GraphQLSchema: %v", err.Error())
	}
	query := `
      {
        __schema {
          types {
            kind
            name
            inputFields {
              name
              type { ...TypeRef }
              defaultValue
            }
          }
        }
      }

      fragment TypeRef on __Type {
        kind
        name
        ofType {
          kind
          name
          ofType {
            kind
            name
            ofType {
              kind
              name
            }
          }
        }
      }
    `
	expectedDataSubSet := map[string]interface{}{
		"__schema": map[string]interface{}{
			"types": []interface{}{
				map[string]interface{}{
					"kind": "INPUT_OBJECT",
					"name": "TestInputObject",
					"inputFields": []interface{}{
						map[string]interface{}{
							"name": "a",
							"type": map[string]interface{}{
								"kind":   "SCALAR",
								"name":   "String",
								"ofType": nil,
							},
							"defaultValue": `"foo"`,
						},
						map[string]interface{}{
							"name": "b",
							"type": map[string]interface{}{
								"kind": "LIST",
								"name": nil,
								"ofType": map[string]interface{}{
									"kind":   "SCALAR",
									"name":   "String",
									"ofType": nil,
								},
							},
							"defaultValue": nil,
						},
					},
				},
			},
		},
	}

	result := graphql(t, gql.GraphqlParams{
		Schema:        schema,
		RequestString: query,
	})
	if !testutil.ContainSubset(result.Data.(map[string]interface{}), expectedDataSubSet) {
		t.Fatalf("unexpected, result does not contain subset of expected data")
	}
}
func TestExecutesUsingAComplexSchema(t *testing.T) {

	johnSmith = &testAuthor{
		Id:   123,
		Name: "John Smith",
		Pic: func(width string, height string) *testPic {
			return getPic(123, width, height)
		},
		RecentArticle: article("1"),
	}

	blogImage := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Image",
		Fields: types.GraphQLFieldConfigMap{
			"url": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"width": &types.GraphQLFieldConfig{
				Type: types.GraphQLInt,
			},
			"height": &types.GraphQLFieldConfig{
				Type: types.GraphQLInt,
			},
		},
	})
	blogAuthor := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Author",
		Fields: types.GraphQLFieldConfigMap{
			"id": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"pic": &types.GraphQLFieldConfig{
				Type: blogImage,
				Args: types.GraphQLFieldConfigArgumentMap{
					"width": &types.GraphQLArgumentConfig{
						Type: types.GraphQLInt,
					},
					"height": &types.GraphQLArgumentConfig{
						Type: types.GraphQLInt,
					},
				},
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					if author, ok := p.Source.(*testAuthor); ok {
						width := fmt.Sprintf("%v", p.Args["width"])
						height := fmt.Sprintf("%v", p.Args["height"])
						return author.Pic(width, height)
					}
					return nil
				},
			},
			"recentArticle": &types.GraphQLFieldConfig{},
		},
	})
	blogArticle := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Article",
		Fields: types.GraphQLFieldConfigMap{
			"id": &types.GraphQLFieldConfig{
				Type: types.NewGraphQLNonNull(types.GraphQLString),
			},
			"isPublished": &types.GraphQLFieldConfig{
				Type: types.GraphQLBoolean,
			},
			"author": &types.GraphQLFieldConfig{
				Type: blogAuthor,
			},
			"title": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"body": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"keywords": &types.GraphQLFieldConfig{
				Type: types.NewGraphQLList(types.GraphQLString),
			},
		},
	})

	blogAuthor.AddFieldConfig("recentArticle", &types.GraphQLFieldConfig{
		Type: blogArticle,
	})

	blogQuery := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Query",
		Fields: types.GraphQLFieldConfigMap{
			"article": &types.GraphQLFieldConfig{
				Type: blogArticle,
				Args: types.GraphQLFieldConfigArgumentMap{
					"id": &types.GraphQLArgumentConfig{
						Type: types.GraphQLID,
					},
				},
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					id := p.Args["id"]
					return article(id)
				},
			},
			"feed": &types.GraphQLFieldConfig{
				Type: types.NewGraphQLList(blogArticle),
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					return []*testArticle{
						article(1),
						article(2),
						article(3),
						article(4),
						article(5),
						article(6),
						article(7),
						article(8),
						article(9),
						article(10),
					}
				},
			},
		},
	})

	blogSchema, err := types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: blogQuery,
	})
	if err != nil {
		t.Fatalf("Error in schema %v", err.Error())
	}

	request := `
      {
        feed {
          id,
          title
        },
        article(id: "1") {
          ...articleFields,
          author {
            id,
            name,
            pic(width: 640, height: 480) {
              url,
              width,
              height
            },
            recentArticle {
              ...articleFields,
              keywords
            }
          }
        }
      }

      fragment articleFields on Article {
        id,
        isPublished,
        title,
        body,
        hidden,
        notdefined
      }
	`

	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"article": map[string]interface{}{
				"title": "My Article 1",
				"body":  "This is a post",
				"author": map[string]interface{}{
					"id":   "123",
					"name": "John Smith",
					"pic": map[string]interface{}{
						"url":    "cdn://123",
						"width":  640,
						"height": 480,
					},
					"recentArticle": map[string]interface{}{
						"id":          "1",
						"isPublished": bool(true),
						"title":       "My Article 1",
						"body":        "This is a post",
						"keywords": []interface{}{
							"foo",
							"bar",
							"1",
							"true",
							nil,
						},
					},
				},
				"id":          "1",
				"isPublished": bool(true),
			},
			"feed": []interface{}{
				map[string]interface{}{
					"id":    "1",
					"title": "My Article 1",
				},
				map[string]interface{}{
					"id":    "2",
					"title": "My Article 2",
				},
				map[string]interface{}{
					"id":    "3",
					"title": "My Article 3",
				},
				map[string]interface{}{
					"id":    "4",
					"title": "My Article 4",
				},
				map[string]interface{}{
					"id":    "5",
					"title": "My Article 5",
				},
				map[string]interface{}{
					"id":    "6",
					"title": "My Article 6",
				},
				map[string]interface{}{
					"id":    "7",
					"title": "My Article 7",
				},
				map[string]interface{}{
					"id":    "8",
					"title": "My Article 8",
				},
				map[string]interface{}{
					"id":    "9",
					"title": "My Article 9",
				},
				map[string]interface{}{
					"id":    "10",
					"title": "My Article 10",
				},
			},
		},
	}

	// parse query
	ast := testutil.Parse(t, request)

	// execute
	ep := executor.ExecuteParams{
		Schema: blogSchema,
		AST:    ast,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) > 0 {
		t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}
		switch value.(type) {
		case *user:
			return globalIDTestUserType
		case *photo2:
			return globalIDTestPhotoType
		default:
			panic(fmt.Sprintf("Unknown object type `%v`", value))
		}
	},
})
var globalIDTestQueryType = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
	Name: "Query",
	Fields: types.GraphQLFieldConfigMap{
		"node": globalIDTestDef.NodeField,
		"allObjects": &types.GraphQLFieldConfig{
			Type: types.NewGraphQLList(globalIDTestDef.NodeInterface),
			Resolve: func(p types.GQLFRParams) interface{} {
				return []interface{}{
					globalIDTestUserData["1"],
					globalIDTestUserData["2"],
					globalIDTestPhotoData["1"],
					globalIDTestPhotoData["2"],
				}
			},
		},
	},
})

// becareful not to define schema here, since globalIDTestUserType and globalIDTestPhotoType wouldn't be defined till init()
var globalIDTestSchema types.GraphQLSchema
示例#25
0
func init() {
	Luke = StarWarsChar{
		Id:         "1000",
		Name:       "Luke Skywalker",
		AppearsIn:  []int{4, 5, 6},
		HomePlanet: "Tatooine",
	}
	Vader = StarWarsChar{
		Id:         "1001",
		Name:       "Darth Vader",
		AppearsIn:  []int{4, 5, 6},
		HomePlanet: "Tatooine",
	}
	Han = StarWarsChar{
		Id:        "1002",
		Name:      "Han Solo",
		AppearsIn: []int{4, 5, 6},
	}
	Leia = StarWarsChar{
		Id:         "1003",
		Name:       "Leia Organa",
		AppearsIn:  []int{4, 5, 6},
		HomePlanet: "Alderaa",
	}
	Tarkin = StarWarsChar{
		Id:        "1004",
		Name:      "Wilhuff Tarkin",
		AppearsIn: []int{4},
	}
	Threepio = StarWarsChar{
		Id:              "2000",
		Name:            "C-3PO",
		AppearsIn:       []int{4, 5, 6},
		PrimaryFunction: "Protocol",
	}
	Artoo = StarWarsChar{
		Id:              "2001",
		Name:            "R2-D2",
		AppearsIn:       []int{4, 5, 6},
		PrimaryFunction: "Astromech",
	}
	Luke.Friends = append(Luke.Friends, []StarWarsChar{Han, Leia, Threepio, Artoo}...)
	Vader.Friends = append(Luke.Friends, []StarWarsChar{Tarkin}...)
	Han.Friends = append(Han.Friends, []StarWarsChar{Luke, Leia, Artoo}...)
	Leia.Friends = append(Leia.Friends, []StarWarsChar{Luke, Han, Threepio, Artoo}...)
	Tarkin.Friends = append(Tarkin.Friends, []StarWarsChar{Vader}...)
	Threepio.Friends = append(Threepio.Friends, []StarWarsChar{Luke, Han, Leia, Artoo}...)
	Artoo.Friends = append(Artoo.Friends, []StarWarsChar{Luke, Han, Leia}...)
	HumanData = map[int]StarWarsChar{
		1000: Luke,
		1001: Vader,
		1002: Han,
		1003: Leia,
		1004: Tarkin,
	}
	DroidData = map[int]StarWarsChar{
		2000: Threepio,
		2001: Artoo,
	}

	episodeEnum := types.NewGraphQLEnumType(types.GraphQLEnumTypeConfig{
		Name:        "Episode",
		Description: "One of the films in the Star Wars Trilogy",
		Values: types.GraphQLEnumValueConfigMap{
			"NEWHOPE": &types.GraphQLEnumValueConfig{
				Value:       4,
				Description: "Released in 1977.",
			},
			"EMPIRE": &types.GraphQLEnumValueConfig{
				Value:       5,
				Description: "Released in 1980.",
			},
			"JEDI": &types.GraphQLEnumValueConfig{
				Value:       6,
				Description: "Released in 1983.",
			},
		},
	})

	characterInterface := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name:        "Character",
		Description: "A character in the Star Wars Trilogy",
		Fields: types.GraphQLFieldConfigMap{
			"id": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLNonNull(types.GraphQLString),
				Description: "The id of the character.",
			},
			"name": &types.GraphQLFieldConfig{
				Type:        types.GraphQLString,
				Description: "The name of the character.",
			},
			"appearsIn": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLList(episodeEnum),
				Description: "Which movies they appear in.",
			},
		},
		ResolveType: func(value interface{}, info types.GraphQLResolveInfo) *types.GraphQLObjectType {
			if character, ok := value.(StarWarsChar); ok {
				id, _ := strconv.Atoi(character.Id)
				human := GetHuman(id)
				if human.Id != "" {
					return humanType
				}
			}
			return droidType
		},
	})
	characterInterface.AddFieldConfig("friends", &types.GraphQLFieldConfig{
		Type:        types.NewGraphQLList(characterInterface),
		Description: "The friends of the character, or an empty list if they have none.",
	})

	humanType = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name:        "Human",
		Description: "A humanoid creature in the Star Wars universe.",
		Fields: types.GraphQLFieldConfigMap{
			"id": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLNonNull(types.GraphQLString),
				Description: "The id of the human.",
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					if human, ok := p.Source.(StarWarsChar); ok {
						return human.Id
					}
					return nil
				},
			},
			"name": &types.GraphQLFieldConfig{
				Type:        types.GraphQLString,
				Description: "The name of the human.",
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					if human, ok := p.Source.(StarWarsChar); ok {
						return human.Name
					}
					return nil
				},
			},
			"friends": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLList(characterInterface),
				Description: "The friends of the human, or an empty list if they have none.",
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					if human, ok := p.Source.(StarWarsChar); ok {
						return human.Friends
					}
					return []interface{}{}
				},
			},
			"appearsIn": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLList(episodeEnum),
				Description: "Which movies they appear in.",
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					if human, ok := p.Source.(StarWarsChar); ok {
						return human.AppearsIn
					}
					return nil
				},
			},
			"homePlanet": &types.GraphQLFieldConfig{
				Type:        types.GraphQLString,
				Description: "The home planet of the human, or null if unknown.",
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					if human, ok := p.Source.(StarWarsChar); ok {
						return human.HomePlanet
					}
					return nil
				},
			},
		},
		Interfaces: []*types.GraphQLInterfaceType{
			characterInterface,
		},
	})
	droidType = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name:        "Droid",
		Description: "A mechanical creature in the Star Wars universe.",
		Fields: types.GraphQLFieldConfigMap{
			"id": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLNonNull(types.GraphQLString),
				Description: "The id of the droid.",
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					if droid, ok := p.Source.(StarWarsChar); ok {
						return droid.Id
					}
					return nil
				},
			},
			"name": &types.GraphQLFieldConfig{
				Type:        types.GraphQLString,
				Description: "The name of the droid.",
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					if droid, ok := p.Source.(StarWarsChar); ok {
						return droid.Name
					}
					return nil
				},
			},
			"friends": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLList(characterInterface),
				Description: "The friends of the droid, or an empty list if they have none.",
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					if droid, ok := p.Source.(StarWarsChar); ok {
						friends := []map[string]interface{}{}
						for _, friend := range droid.Friends {
							friends = append(friends, map[string]interface{}{
								"name": friend.Name,
								"id":   friend.Id,
							})
						}
						return droid.Friends
					}
					return []interface{}{}
				},
			},
			"appearsIn": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLList(episodeEnum),
				Description: "Which movies they appear in.",
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					if droid, ok := p.Source.(StarWarsChar); ok {
						return droid.AppearsIn
					}
					return nil
				},
			},
			"primaryFunction": &types.GraphQLFieldConfig{
				Type:        types.GraphQLString,
				Description: "The primary function of the droid.",
				Resolve: func(ctx context.Context, p types.GQLFRParams) interface{} {
					if droid, ok := p.Source.(StarWarsChar); ok {
						return droid.PrimaryFunction
					}
					return nil
				},
			},
		},
		Interfaces: []*types.GraphQLInterfaceType{
			characterInterface,
		},
	})

	queryType := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Query",
		Fields: types.GraphQLFieldConfigMap{
			"hero": &types.GraphQLFieldConfig{
				Type: characterInterface,
				Args: types.GraphQLFieldConfigArgumentMap{
					"episode": &types.GraphQLArgumentConfig{
						Description: "If omitted, returns the hero of the whole saga. If " +
							"provided, returns the hero of that particular episode.",
						Type: episodeEnum,
					},
				},
				Resolve: func(ctx context.Context, p types.GQLFRParams) (r interface{}) {
					return GetHero(p.Args["episode"])
				},
			},
			"human": &types.GraphQLFieldConfig{
				Type: humanType,
				Args: types.GraphQLFieldConfigArgumentMap{
					"id": &types.GraphQLArgumentConfig{
						Description: "id of the human",
						Type:        types.NewGraphQLNonNull(types.GraphQLString),
					},
				},
				Resolve: func(ctx context.Context, p types.GQLFRParams) (r interface{}) {
					return GetHuman(p.Args["id"].(int))
				},
			},
			"droid": &types.GraphQLFieldConfig{
				Type: droidType,
				Args: types.GraphQLFieldConfigArgumentMap{
					"id": &types.GraphQLArgumentConfig{
						Description: "id of the droid",
						Type:        types.NewGraphQLNonNull(types.GraphQLString),
					},
				},
				Resolve: func(ctx context.Context, p types.GQLFRParams) (r interface{}) {
					return GetDroid(p.Args["id"].(int))
				},
			},
		},
	})
	StarWarsSchema, _ = types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: queryType,
	})
}
		},
	},
})
var blogQuery = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
	Name: "Query",
	Fields: types.GraphQLFieldConfigMap{
		"article": &types.GraphQLFieldConfig{
			Type: blogArticle,
			Args: types.GraphQLFieldConfigArgumentMap{
				"id": &types.GraphQLArgumentConfig{
					Type: types.GraphQLString,
				},
			},
		},
		"feed": &types.GraphQLFieldConfig{
			Type: types.NewGraphQLList(blogArticle),
		},
	},
})

var blogMutation = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
	Name: "Mutation",
	Fields: types.GraphQLFieldConfigMap{
		"writeArticle": &types.GraphQLFieldConfig{
			Type: blogArticle,
		},
	},
})

var objectType = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
	Name: "Object",
func TestResolveTypeOnUnionYieldsUsefulError(t *testing.T) {

	humanType := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Human",
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Resolve: func(p types.GQLFRParams) interface{} {
					if human, ok := p.Source.(*testHuman); ok {
						return human.Name
					}
					return nil
				},
			},
		},
	})
	dogType := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Dog",
		IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
			_, ok := value.(*testDog)
			return ok
		},
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Resolve: func(p types.GQLFRParams) interface{} {
					if dog, ok := p.Source.(*testDog); ok {
						return dog.Name
					}
					return nil
				},
			},
			"woofs": &types.GraphQLFieldConfig{
				Type: types.GraphQLBoolean,
				Resolve: func(p types.GQLFRParams) interface{} {
					if dog, ok := p.Source.(*testDog); ok {
						return dog.Woofs
					}
					return nil
				},
			},
		},
	})
	catType := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Cat",
		IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
			_, ok := value.(*testCat)
			return ok
		},
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Resolve: func(p types.GQLFRParams) interface{} {
					if cat, ok := p.Source.(*testCat); ok {
						return cat.Name
					}
					return nil
				},
			},
			"meows": &types.GraphQLFieldConfig{
				Type: types.GraphQLBoolean,
				Resolve: func(p types.GQLFRParams) interface{} {
					if cat, ok := p.Source.(*testCat); ok {
						return cat.Meows
					}
					return nil
				},
			},
		},
	})
	petType := types.NewGraphQLUnionType(types.GraphQLUnionTypeConfig{
		Name: "Pet",
		Types: []*types.GraphQLObjectType{
			dogType, catType,
		},
		ResolveType: func(value interface{}, info types.GraphQLResolveInfo) *types.GraphQLObjectType {
			if _, ok := value.(*testCat); ok {
				return catType
			}
			if _, ok := value.(*testDog); ok {
				return dogType
			}
			if _, ok := value.(*testHuman); ok {
				return humanType
			}
			return nil
		},
	})
	schema, err := types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
			Name: "Query",
			Fields: types.GraphQLFieldConfigMap{
				"pets": &types.GraphQLFieldConfig{
					Type: types.NewGraphQLList(petType),
					Resolve: func(p types.GQLFRParams) interface{} {
						return []interface{}{
							&testDog{"Odie", true},
							&testCat{"Garfield", false},
							&testHuman{"Jon"},
						}
					},
				},
			},
		}),
	})
	if err != nil {
		t.Fatalf("Error in schema %v", err.Error())
	}

	query := `{
      pets {
        name
        ... on Dog {
          woofs
        }
        ... on Cat {
          meows
        }
      }
    }`

	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"pets": []interface{}{
				map[string]interface{}{
					"name":  "Odie",
					"woofs": bool(true),
				},
				map[string]interface{}{
					"name":  "Garfield",
					"meows": bool(false),
				},
				nil,
			},
		},
		Errors: []graphqlerrors.GraphQLFormattedError{
			graphqlerrors.GraphQLFormattedError{
				Message:   `Runtime Object type "Human" is not a possible type for "Pet".`,
				Locations: []location.SourceLocation{},
			},
		},
	}

	resultChannel := make(chan *types.GraphQLResult)

	go gql.Graphql(gql.GraphqlParams{
		Schema:        schema,
		RequestString: query,
	}, resultChannel)
	result := <-resultChannel
	if len(result.Errors) == 0 {
		t.Fatalf("wrong result, expected errors: %v, got: %v", len(expected.Errors), len(result.Errors))
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}
func TestIsTypeOfUsedToResolveRuntimeTypeForInterface(t *testing.T) {

	petType := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name: "Pet",
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
		},
	})

	// ie declare that Dog belongs to Pet interface
	_ = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Dog",
		Interfaces: []*types.GraphQLInterfaceType{
			petType,
		},
		IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
			_, ok := value.(*testDog)
			return ok
		},
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Resolve: func(p types.GQLFRParams) interface{} {
					if dog, ok := p.Source.(*testDog); ok {
						return dog.Name
					}
					return nil
				},
			},
			"woofs": &types.GraphQLFieldConfig{
				Type: types.GraphQLBoolean,
				Resolve: func(p types.GQLFRParams) interface{} {
					if dog, ok := p.Source.(*testDog); ok {
						return dog.Woofs
					}
					return nil
				},
			},
		},
	})
	// ie declare that Cat belongs to Pet interface
	_ = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Cat",
		Interfaces: []*types.GraphQLInterfaceType{
			petType,
		},
		IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
			_, ok := value.(*testCat)
			return ok
		},
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Resolve: func(p types.GQLFRParams) interface{} {
					if cat, ok := p.Source.(*testCat); ok {
						return cat.Name
					}
					return nil
				},
			},
			"meows": &types.GraphQLFieldConfig{
				Type: types.GraphQLBoolean,
				Resolve: func(p types.GQLFRParams) interface{} {
					if cat, ok := p.Source.(*testCat); ok {
						return cat.Meows
					}
					return nil
				},
			},
		},
	})
	schema, err := types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
			Name: "Query",
			Fields: types.GraphQLFieldConfigMap{
				"pets": &types.GraphQLFieldConfig{
					Type: types.NewGraphQLList(petType),
					Resolve: func(p types.GQLFRParams) interface{} {
						return []interface{}{
							&testDog{"Odie", true},
							&testCat{"Garfield", false},
						}
					},
				},
			},
		}),
	})
	if err != nil {
		t.Fatalf("Error in schema %v", err.Error())
	}

	query := `{
      pets {
        name
        ... on Dog {
          woofs
        }
        ... on Cat {
          meows
        }
      }
    }`

	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"pets": []interface{}{
				map[string]interface{}{
					"name":  "Odie",
					"woofs": bool(true),
				},
				map[string]interface{}{
					"name":  "Garfield",
					"meows": bool(false),
				},
			},
		},
		Errors: nil,
	}

	resultChannel := make(chan *types.GraphQLResult)

	go gql.Graphql(gql.GraphqlParams{
		Schema:        schema,
		RequestString: query,
	}, resultChannel)
	result := <-resultChannel
	if len(result.Errors) != 0 {
		t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}
		astValue := valueAST.GetValue()
		if astValue, ok := astValue.(string); ok && astValue == "SerializedValue" {
			return "DeserializedValue"
		}
		return nil
	},
})

var testInputObject *types.GraphQLInputObjectType = types.NewGraphQLInputObjectType(types.InputObjectConfig{
	Name: "TestInputObject",
	Fields: types.InputObjectConfigFieldMap{
		"a": &types.InputObjectFieldConfig{
			Type: types.GraphQLString,
		},
		"b": &types.InputObjectFieldConfig{
			Type: types.NewGraphQLList(types.GraphQLString),
		},
		"c": &types.InputObjectFieldConfig{
			Type: types.NewGraphQLNonNull(types.GraphQLString),
		},
		"d": &types.InputObjectFieldConfig{
			Type: testComplexScalar,
		},
	},
})

func inputResolved(p types.GQLFRParams) interface{} {
	input, ok := p.Args["input"]
	if !ok {
		return nil
	}