Exemplo n.º 1
0
func TestPrinter_PrintsMinimalAST(t *testing.T) {
	astDoc := ast.NewField(&ast.Field{
		Name: ast.NewName(&ast.Name{
			Value: "foo",
		}),
	})
	results := printer.Print(astDoc)
	expected := "foo"
	if !reflect.DeepEqual(results, expected) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, results))
	}
}
func TestSchemaPrinter_PrintsMinimalAST(t *testing.T) {
	astDoc := ast.NewScalarTypeDefinition(&ast.ScalarTypeDefinition{
		Name: ast.NewName(&ast.Name{
			Value: "foo",
		}),
	})
	results := printer.Print(astDoc)
	expected := "scalar foo"
	if !reflect.DeepEqual(results, expected) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, results))
	}
}
Exemplo n.º 3
0
func TestPrinter_PrintsKitchenSink(t *testing.T) {
	b, err := ioutil.ReadFile("./../parser/kitchen-sink.graphql")
	if err != nil {
		t.Fatalf("unable to load kitchen-sink.graphql")
	}

	query := string(b)
	astDoc := parse(t, query)
	expected := `query namedQuery($foo: ComplexFooType, $bar: Bar = DefaultBarValue) {
  customUser: user(id: [987, 654]) {
    id
    ... on User @defer {
      field2 {
        id
        alias: field1(first: 10, after: $foo) @include(if: $foo) {
          id
          ...frag
        }
      }
    }
  }
}

mutation favPost {
  fav(post: 123) @defer {
    post {
      id
    }
  }
}

fragment frag on Follower {
  foo(size: $size, bar: $b, obj: {key: "value"})
}

{
  unnamed(truthyVal: true, falseyVal: false)
  query
}
`
	results := printer.Print(astDoc)

	if !reflect.DeepEqual(expected, results) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(results, expected))
	}
}
func TestSchemaPrinter_PrintsKitchenSink(t *testing.T) {
	b, err := ioutil.ReadFile("./../parser/schema-kitchen-sink.graphql")
	if err != nil {
		t.Fatalf("unable to load schema-kitchen-sink.graphql")
	}

	query := string(b)
	astDoc := parse(t, query)
	expected := `type Foo implements Bar {
  one: Type
  two(argument: InputType!): Type
  three(argument: InputType, other: String): Int
  four(argument: String = "string"): String
  five(argument: [String] = ["string", "string"]): String
  six(argument: InputType = {key: "value"}): Type
}

interface Bar {
  one: Type
  four(argument: String = "string"): String
}

union Feed = Story | Article | Advert

scalar CustomScalar

enum Site {
  DESKTOP
  MOBILE
}

input InputType {
  key: String!
  answer: Int = 42
}

extend type Foo {
  seven(argument: [String]): Type
}
`
	results := printer.Print(astDoc)
	if !reflect.DeepEqual(expected, results) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(results, expected))
	}
}
Exemplo n.º 5
0
func TestPrinter_DoesNotAlterAST(t *testing.T) {
	b, err := ioutil.ReadFile("./../parser/kitchen-sink.graphql")
	if err != nil {
		t.Fatalf("unable to load kitchen-sink.graphql")
	}

	query := string(b)
	astDoc := parse(t, query)

	astDocBefore := testutil.ASTToJSON(t, astDoc)

	_ = printer.Print(astDoc)

	astDocAfter := testutil.ASTToJSON(t, astDoc)

	_ = testutil.ASTToJSON(t, astDoc)

	if !reflect.DeepEqual(astDocAfter, astDocBefore) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(astDocAfter, astDocBefore))
	}
}
Exemplo n.º 6
0
func init() {

	__TypeKind = NewGraphQLEnumType(GraphQLEnumTypeConfig{
		Name:        "__TypeKind",
		Description: "An enum describing what kind of type a given __Type is",
		Values: GraphQLEnumValueConfigMap{
			"SCALAR": &GraphQLEnumValueConfig{
				Value:       TypeKindScalar,
				Description: "Indicates this type is a scalar.",
			},
			"OBJECT": &GraphQLEnumValueConfig{
				Value: TypeKindObject,
				Description: "Indicates this type is an object. " +
					"`fields` and `interfaces` are valid fields.",
			},
			"INTERFACE": &GraphQLEnumValueConfig{
				Value: TypeKindInterface,
				Description: "Indicates this type is an interface. " +
					"`fields` and `possibleTypes` are valid fields.",
			},
			"UNION": &GraphQLEnumValueConfig{
				Value: TypeKindUnion,
				Description: "Indicates this type is a union. " +
					"`possibleTypes` is a valid field.",
			},
			"ENUM": &GraphQLEnumValueConfig{
				Value: TypeKindEnum,
				Description: "Indicates this type is an enum. " +
					"`enumValues` is a valid field.",
			},
			"INPUT_OBJECT": &GraphQLEnumValueConfig{
				Value: TypeKindInputObject,
				Description: "Indicates this type is an input object. " +
					"`inputFields` is a valid field.",
			},
			"LIST": &GraphQLEnumValueConfig{
				Value: TypeKindList,
				Description: "Indicates this type is a list. " +
					"`ofType` is a valid field.",
			},
			"NON_NULL": &GraphQLEnumValueConfig{
				Value: TypeKindNonNull,
				Description: "Indicates this type is a non-null. " +
					"`ofType` is a valid field.",
			},
		},
	})

	// Note: some fields (for e.g "fields", "interfaces") are defined later due to cyclic reference
	__Type = NewGraphQLObjectType(GraphQLObjectTypeConfig{
		Name: "__Type",
		Fields: GraphQLFieldConfigMap{
			"kind": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(__TypeKind),
				Resolve: func(p GQLFRParams) interface{} {
					switch p.Source.(type) {
					case *GraphQLScalarType:
						return TypeKindScalar
					case *GraphQLObjectType:
						return TypeKindObject
					case *GraphQLInterfaceType:
						return TypeKindInterface
					case *GraphQLUnionType:
						return TypeKindUnion
					case *GraphQLEnumType:
						return TypeKindEnum
					case *GraphQLInputObjectType:
						return TypeKindInputObject
					case *GraphQLList:
						return TypeKindList
					case *GraphQLNonNull:
						return TypeKindNonNull
					}
					panic(fmt.Sprintf("Unknown kind of type: %v", p.Source))
				},
			},
			"name": &GraphQLFieldConfig{
				Type: GraphQLString,
			},
			"description": &GraphQLFieldConfig{
				Type: GraphQLString,
			},
			"fields":        &GraphQLFieldConfig{},
			"interfaces":    &GraphQLFieldConfig{},
			"possibleTypes": &GraphQLFieldConfig{},
			"enumValues":    &GraphQLFieldConfig{},
			"inputFields":   &GraphQLFieldConfig{},
			"ofType":        &GraphQLFieldConfig{},
		},
	})

	__InputValue = NewGraphQLObjectType(GraphQLObjectTypeConfig{
		Name: "__InputValue",
		Fields: GraphQLFieldConfigMap{
			"name": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(GraphQLString),
			},
			"description": &GraphQLFieldConfig{
				Type: GraphQLString,
			},
			"type": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(__Type),
			},
			"defaultValue": &GraphQLFieldConfig{
				Type: GraphQLString,
				Resolve: func(p GQLFRParams) interface{} {
					if inputVal, ok := p.Source.(*GraphQLArgument); ok {
						if inputVal.DefaultValue == nil {
							return nil
						}
						astVal := astFromValue(inputVal.DefaultValue, inputVal)
						return printer.Print(astVal)
					}
					if inputVal, ok := p.Source.(*InputObjectField); ok {
						if inputVal.DefaultValue == nil {
							return nil
						}
						astVal := astFromValue(inputVal.DefaultValue, inputVal)
						return printer.Print(astVal)
					}
					return nil
				},
			},
		},
	})

	__Field = NewGraphQLObjectType(GraphQLObjectTypeConfig{
		Name: "__Field",
		Fields: GraphQLFieldConfigMap{
			"name": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(GraphQLString),
			},
			"description": &GraphQLFieldConfig{
				Type: GraphQLString,
			},
			"args": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(NewGraphQLList(NewGraphQLNonNull(__InputValue))),
				Resolve: func(p GQLFRParams) interface{} {
					if field, ok := p.Source.(*GraphQLFieldDefinition); ok {
						return field.Args
					}
					return []interface{}{}
				},
			},
			"type": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(__Type),
			},
			"isDeprecated": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(GraphQLBoolean),
				Resolve: func(p GQLFRParams) interface{} {
					if field, ok := p.Source.(*GraphQLFieldDefinition); ok {
						return (field.DeprecationReason != "")
					}
					return false
				},
			},
			"deprecationReason": &GraphQLFieldConfig{
				Type: GraphQLString,
			},
		},
	})

	__Directive = NewGraphQLObjectType(GraphQLObjectTypeConfig{
		Name: "__Directive",
		Fields: GraphQLFieldConfigMap{
			"name": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(GraphQLString),
			},
			"description": &GraphQLFieldConfig{
				Type: GraphQLString,
			},
			"args": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(NewGraphQLList(
					NewGraphQLNonNull(__InputValue),
				)),
			},
			"onOperation": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(GraphQLBoolean),
			},
			"onFragment": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(GraphQLBoolean),
			},
			"onField": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(GraphQLBoolean),
			},
		},
	})

	__Schema = NewGraphQLObjectType(GraphQLObjectTypeConfig{
		Name: "__Schema",
		Description: `A GraphQL Schema defines the capabilities of a GraphQL
server. It exposes all available types and directives on
the server, as well as the entry points for query and
mutation operations.`,
		Fields: GraphQLFieldConfigMap{
			"types": &GraphQLFieldConfig{
				Description: "A list of all types supported by this server.",
				Type: NewGraphQLNonNull(NewGraphQLList(
					NewGraphQLNonNull(__Type),
				)),
				Resolve: func(p GQLFRParams) interface{} {
					if schema, ok := p.Source.(GraphQLSchema); ok {
						results := []GraphQLType{}
						for _, ttype := range schema.GetTypeMap() {
							results = append(results, ttype)
						}
						return results
					}
					return []GraphQLType{}
				},
			},
			"queryType": &GraphQLFieldConfig{
				Description: "The type that query operations will be rooted at.",
				Type:        NewGraphQLNonNull(__Type),
				Resolve: func(p GQLFRParams) interface{} {
					if schema, ok := p.Source.(GraphQLSchema); ok {
						return schema.GetQueryType()
					}
					return nil
				},
			},
			"mutationType": &GraphQLFieldConfig{
				Description: `If this server supports mutation, the type that ` +
					`mutation operations will be rooted at.`,
				Type: __Type,
				Resolve: func(p GQLFRParams) interface{} {
					if schema, ok := p.Source.(GraphQLSchema); ok {
						if schema.GetMutationType() != nil {
							return schema.GetMutationType()
						}
					}
					return nil
				},
			},
			"directives": &GraphQLFieldConfig{
				Description: `A list of all directives supported by this server.`,
				Type: NewGraphQLNonNull(NewGraphQLList(
					NewGraphQLNonNull(__Directive),
				)),
				Resolve: func(p GQLFRParams) interface{} {
					if schema, ok := p.Source.(GraphQLSchema); ok {
						return schema.GetDirectives()
					}
					return nil
				},
			},
		},
	})

	__EnumValue = NewGraphQLObjectType(GraphQLObjectTypeConfig{
		Name: "__EnumValue",
		Fields: GraphQLFieldConfigMap{
			"name": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(GraphQLString),
			},
			"description": &GraphQLFieldConfig{
				Type: GraphQLString,
			},
			"isDeprecated": &GraphQLFieldConfig{
				Type: NewGraphQLNonNull(GraphQLBoolean),
				Resolve: func(p GQLFRParams) interface{} {
					if field, ok := p.Source.(*GraphQLEnumValueDefinition); ok {
						return (field.DeprecationReason != "")
					}
					return false
				},
			},
			"deprecationReason": &GraphQLFieldConfig{
				Type: GraphQLString,
			},
		},
	})

	// Again, adding field configs to __Type that have cyclic reference here
	// because golang don't like them too much during init/compile-time
	__Type.AddFieldConfig("fields", &GraphQLFieldConfig{
		Type: NewGraphQLList(NewGraphQLNonNull(__Field)),
		Args: GraphQLFieldConfigArgumentMap{
			"includeDeprecated": &GraphQLArgumentConfig{
				Type:         GraphQLBoolean,
				DefaultValue: false,
			},
		},
		Resolve: func(p GQLFRParams) interface{} {
			includeDeprecated, _ := p.Args["includeDeprecated"].(bool)
			switch ttype := p.Source.(type) {
			case *GraphQLObjectType:
				if ttype == nil {
					return nil
				}
				fields := []*GraphQLFieldDefinition{}
				for _, field := range ttype.GetFields() {
					if !includeDeprecated && field.DeprecationReason != "" {
						continue
					}
					fields = append(fields, field)
				}
				return fields
			case *GraphQLInterfaceType:
				if ttype == nil {
					return nil
				}
				fields := []*GraphQLFieldDefinition{}
				for _, field := range ttype.GetFields() {
					if !includeDeprecated && field.DeprecationReason != "" {
						continue
					}
					fields = append(fields, field)
				}
				return fields
			}
			return nil
		},
	})
	__Type.AddFieldConfig("interfaces", &GraphQLFieldConfig{
		Type: NewGraphQLList(NewGraphQLNonNull(__Type)),
		Resolve: func(p GQLFRParams) interface{} {
			switch ttype := p.Source.(type) {
			case *GraphQLObjectType:
				return ttype.GetInterfaces()
			}
			return nil
		},
	})
	__Type.AddFieldConfig("possibleTypes", &GraphQLFieldConfig{
		Type: NewGraphQLList(NewGraphQLNonNull(__Type)),
		Resolve: func(p GQLFRParams) interface{} {
			switch ttype := p.Source.(type) {
			case *GraphQLInterfaceType:
				return ttype.GetPossibleTypes()
			case *GraphQLUnionType:
				return ttype.GetPossibleTypes()
			}
			return nil
		},
	})
	__Type.AddFieldConfig("enumValues", &GraphQLFieldConfig{
		Type: NewGraphQLList(NewGraphQLNonNull(__EnumValue)),
		Args: GraphQLFieldConfigArgumentMap{
			"includeDeprecated": &GraphQLArgumentConfig{
				Type:         GraphQLBoolean,
				DefaultValue: false,
			},
		},
		Resolve: func(p GQLFRParams) interface{} {
			includeDeprecated, _ := p.Args["includeDeprecated"].(bool)
			switch ttype := p.Source.(type) {
			case *GraphQLEnumType:
				if includeDeprecated {
					return ttype.GetValues()
				}
				values := []*GraphQLEnumValueDefinition{}
				for _, value := range ttype.GetValues() {
					if value.DeprecationReason != "" {
						continue
					}
					values = append(values, value)
				}
				return values
			}
			return nil
		},
	})
	__Type.AddFieldConfig("inputFields", &GraphQLFieldConfig{
		Type: NewGraphQLList(NewGraphQLNonNull(__InputValue)),
		Resolve: func(p GQLFRParams) interface{} {
			switch ttype := p.Source.(type) {
			case *GraphQLInputObjectType:
				fields := []*InputObjectField{}
				for _, field := range ttype.GetFields() {
					fields = append(fields, field)
				}
				return fields
			}
			return nil
		},
	})
	__Type.AddFieldConfig("ofType", &GraphQLFieldConfig{
		Type: __Type,
	})

	/**
	 * Note that these are GraphQLFieldDefinition and not GraphQLFieldConfig,
	 * so the format for args is different.
	 */

	SchemaMetaFieldDef = &GraphQLFieldDefinition{
		Name:        "__schema",
		Type:        NewGraphQLNonNull(__Schema),
		Description: "Access the current type schema of this server.",
		Args:        []*GraphQLArgument{},
		Resolve: func(p GQLFRParams) interface{} {
			return p.Info.Schema
		},
	}
	TypeMetaFieldDef = &GraphQLFieldDefinition{
		Name:        "__type",
		Type:        __Type,
		Description: "Request the type information of a single type.",
		Args: []*GraphQLArgument{
			&GraphQLArgument{
				Name: "name",
				Type: NewGraphQLNonNull(GraphQLString),
			},
		},
		Resolve: func(p GQLFRParams) interface{} {
			name, ok := p.Args["name"].(string)
			if !ok {
				return nil
			}
			return p.Info.Schema.GetType(name)
		},
	}

	TypeNameMetaFieldDef = &GraphQLFieldDefinition{
		Name:        "__typename",
		Type:        NewGraphQLNonNull(GraphQLString),
		Description: "The name of the current Object type at runtime.",
		Args:        []*GraphQLArgument{},
		Resolve: func(p GQLFRParams) interface{} {
			return p.Info.ParentType.GetName()
		},
	}

}