/
extendSchema-test.ts
1322 lines (1100 loc) · 34.4 KB
/
extendSchema-test.ts
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import { expect } from 'chai';
import { describe, it } from 'mocha';
import { dedent } from '../../__testUtils__/dedent';
import { invariant } from '../../jsutils/invariant';
import type { Maybe } from '../../jsutils/Maybe';
import type { ASTNode } from '../../language/ast';
import { parse } from '../../language/parser';
import { print } from '../../language/printer';
import { graphqlSync } from '../../graphql';
import { GraphQLSchema } from '../../type/schema';
import { validateSchema } from '../../type/validate';
import { assertDirective } from '../../type/directives';
import {
GraphQLID,
GraphQLInt,
GraphQLFloat,
GraphQLString,
GraphQLBoolean,
} from '../../type/scalars';
import {
assertObjectType,
assertInputObjectType,
assertEnumType,
assertUnionType,
assertInterfaceType,
assertScalarType,
} from '../../type/definition';
import { concatAST } from '../concatAST';
import { printSchema } from '../printSchema';
import { extendSchema } from '../extendSchema';
import { buildSchema } from '../buildASTSchema';
function expectExtensionASTNodes(obj: {
readonly extensionASTNodes: ReadonlyArray<ASTNode>;
}) {
return expect(obj.extensionASTNodes.map(print).join('\n\n'));
}
function expectASTNode(obj: Maybe<{ readonly astNode: Maybe<ASTNode> }>) {
invariant(obj?.astNode != null);
return expect(print(obj.astNode));
}
function expectSchemaChanges(
schema: GraphQLSchema,
extendedSchema: GraphQLSchema,
) {
const schemaDefinitions = parse(printSchema(schema)).definitions.map(print);
return expect(
parse(printSchema(extendedSchema))
.definitions.map(print)
.filter((def) => !schemaDefinitions.includes(def))
.join('\n\n'),
);
}
describe('extendSchema', () => {
it('returns the original schema when there are no type definitions', () => {
const schema = buildSchema('type Query');
const extendedSchema = extendSchema(schema, parse('{ field }'));
expect(extendedSchema).to.equal(schema);
});
it('can be used for limited execution', () => {
const schema = buildSchema('type Query');
const extendAST = parse(`
extend type Query {
newField: String
}
`);
const extendedSchema = extendSchema(schema, extendAST);
const result = graphqlSync({
schema: extendedSchema,
source: '{ newField }',
rootValue: { newField: 123 },
});
expect(result).to.deep.equal({
data: { newField: '123' },
});
});
it('extends objects by adding new fields', () => {
const schema = buildSchema(`
type Query {
someObject: SomeObject
}
type SomeObject implements AnotherInterface & SomeInterface {
self: SomeObject
tree: [SomeObject]!
"""Old field description."""
oldField: String
}
interface SomeInterface {
self: SomeInterface
}
interface AnotherInterface {
self: SomeObject
}
`);
const extensionSDL = dedent`
extend type SomeObject {
"""New field description."""
newField(arg: Boolean): String
}
`;
const extendedSchema = extendSchema(schema, parse(extensionSDL));
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
type SomeObject implements AnotherInterface & SomeInterface {
self: SomeObject
tree: [SomeObject]!
"""Old field description."""
oldField: String
"""New field description."""
newField(arg: Boolean): String
}
`);
});
it('extends objects with standard type fields', () => {
const schema = buildSchema('type Query');
// String and Boolean are always included through introspection types
expect(schema.getType('Int')).to.equal(undefined);
expect(schema.getType('Float')).to.equal(undefined);
expect(schema.getType('String')).to.equal(GraphQLString);
expect(schema.getType('Boolean')).to.equal(GraphQLBoolean);
expect(schema.getType('ID')).to.equal(undefined);
const extendAST = parse(`
extend type Query {
bool: Boolean
}
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expect(extendedSchema.getType('Int')).to.equal(undefined);
expect(extendedSchema.getType('Float')).to.equal(undefined);
expect(extendedSchema.getType('String')).to.equal(GraphQLString);
expect(extendedSchema.getType('Boolean')).to.equal(GraphQLBoolean);
expect(extendedSchema.getType('ID')).to.equal(undefined);
const extendTwiceAST = parse(`
extend type Query {
int: Int
float: Float
id: ID
}
`);
const extendedTwiceSchema = extendSchema(schema, extendTwiceAST);
expect(validateSchema(extendedTwiceSchema)).to.deep.equal([]);
expect(extendedTwiceSchema.getType('Int')).to.equal(GraphQLInt);
expect(extendedTwiceSchema.getType('Float')).to.equal(GraphQLFloat);
expect(extendedTwiceSchema.getType('String')).to.equal(GraphQLString);
expect(extendedTwiceSchema.getType('Boolean')).to.equal(GraphQLBoolean);
expect(extendedTwiceSchema.getType('ID')).to.equal(GraphQLID);
});
it('extends enums by adding new values', () => {
const schema = buildSchema(`
type Query {
someEnum(arg: SomeEnum): SomeEnum
}
directive @foo(arg: SomeEnum) on SCHEMA
enum SomeEnum {
"""Old value description."""
OLD_VALUE
}
`);
const extendAST = parse(`
extend enum SomeEnum {
"""New value description."""
NEW_VALUE
}
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
enum SomeEnum {
"""Old value description."""
OLD_VALUE
"""New value description."""
NEW_VALUE
}
`);
});
it('extends unions by adding new types', () => {
const schema = buildSchema(`
type Query {
someUnion: SomeUnion
}
union SomeUnion = Foo | Biz
type Foo { foo: String }
type Biz { biz: String }
type Bar { bar: String }
`);
const extendAST = parse(`
extend union SomeUnion = Bar
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
union SomeUnion = Foo | Biz | Bar
`);
});
it('allows extension of union by adding itself', () => {
const schema = buildSchema(`
union SomeUnion
`);
const extendAST = parse(`
extend union SomeUnion = SomeUnion
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.have.lengthOf.above(0);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
union SomeUnion = SomeUnion
`);
});
it('extends inputs by adding new fields', () => {
const schema = buildSchema(`
type Query {
someInput(arg: SomeInput): String
}
directive @foo(arg: SomeInput) on SCHEMA
input SomeInput {
"""Old field description."""
oldField: String
}
`);
const extendAST = parse(`
extend input SomeInput {
"""New field description."""
newField: String
}
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
input SomeInput {
"""Old field description."""
oldField: String
"""New field description."""
newField: String
}
`);
});
it('extends scalars by adding new directives', () => {
const schema = buildSchema(`
type Query {
someScalar(arg: SomeScalar): SomeScalar
}
directive @foo(arg: SomeScalar) on SCALAR
input FooInput {
foo: SomeScalar
}
scalar SomeScalar
`);
const extensionSDL = dedent`
extend scalar SomeScalar @foo
`;
const extendedSchema = extendSchema(schema, parse(extensionSDL));
const someScalar = assertScalarType(extendedSchema.getType('SomeScalar'));
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectExtensionASTNodes(someScalar).to.equal(extensionSDL);
});
it('extends scalars by adding specifiedBy directive', () => {
const schema = buildSchema(`
type Query {
foo: Foo
}
scalar Foo
directive @foo on SCALAR
`);
const extensionSDL = dedent`
extend scalar Foo @foo
extend scalar Foo @specifiedBy(url: "https://example.com/foo_spec")
`;
const extendedSchema = extendSchema(schema, parse(extensionSDL));
const foo = assertScalarType(extendedSchema.getType('Foo'));
expect(foo.specifiedByURL).to.equal('https://example.com/foo_spec');
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectExtensionASTNodes(foo).to.equal(extensionSDL);
});
it('correctly assign AST nodes to new and extended types', () => {
const schema = buildSchema(`
type Query
scalar SomeScalar
enum SomeEnum
union SomeUnion
input SomeInput
type SomeObject
interface SomeInterface
directive @foo on SCALAR
`);
const firstExtensionAST = parse(`
extend type Query {
newField(testArg: TestInput): TestEnum
}
extend scalar SomeScalar @foo
extend enum SomeEnum {
NEW_VALUE
}
extend union SomeUnion = SomeObject
extend input SomeInput {
newField: String
}
extend interface SomeInterface {
newField: String
}
enum TestEnum {
TEST_VALUE
}
input TestInput {
testInputField: TestEnum
}
`);
const extendedSchema = extendSchema(schema, firstExtensionAST);
const secondExtensionAST = parse(`
extend type Query {
oneMoreNewField: TestUnion
}
extend scalar SomeScalar @test
extend enum SomeEnum {
ONE_MORE_NEW_VALUE
}
extend union SomeUnion = TestType
extend input SomeInput {
oneMoreNewField: String
}
extend interface SomeInterface {
oneMoreNewField: String
}
union TestUnion = TestType
interface TestInterface {
interfaceField: String
}
type TestType implements TestInterface {
interfaceField: String
}
directive @test(arg: Int) repeatable on FIELD | SCALAR
`);
const extendedTwiceSchema = extendSchema(
extendedSchema,
secondExtensionAST,
);
const extendedInOneGoSchema = extendSchema(
schema,
concatAST([firstExtensionAST, secondExtensionAST]),
);
expect(printSchema(extendedInOneGoSchema)).to.equal(
printSchema(extendedTwiceSchema),
);
const query = assertObjectType(extendedTwiceSchema.getType('Query'));
const someEnum = assertEnumType(extendedTwiceSchema.getType('SomeEnum'));
const someUnion = assertUnionType(extendedTwiceSchema.getType('SomeUnion'));
const someScalar = assertScalarType(
extendedTwiceSchema.getType('SomeScalar'),
);
const someInput = assertInputObjectType(
extendedTwiceSchema.getType('SomeInput'),
);
const someInterface = assertInterfaceType(
extendedTwiceSchema.getType('SomeInterface'),
);
const testInput = assertInputObjectType(
extendedTwiceSchema.getType('TestInput'),
);
const testEnum = assertEnumType(extendedTwiceSchema.getType('TestEnum'));
const testUnion = assertUnionType(extendedTwiceSchema.getType('TestUnion'));
const testType = assertObjectType(extendedTwiceSchema.getType('TestType'));
const testInterface = assertInterfaceType(
extendedTwiceSchema.getType('TestInterface'),
);
const testDirective = assertDirective(
extendedTwiceSchema.getDirective('test'),
);
expect(testType.extensionASTNodes).to.deep.equal([]);
expect(testEnum.extensionASTNodes).to.deep.equal([]);
expect(testUnion.extensionASTNodes).to.deep.equal([]);
expect(testInput.extensionASTNodes).to.deep.equal([]);
expect(testInterface.extensionASTNodes).to.deep.equal([]);
expect([
testInput.astNode,
testEnum.astNode,
testUnion.astNode,
testInterface.astNode,
testType.astNode,
testDirective.astNode,
...query.extensionASTNodes,
...someScalar.extensionASTNodes,
...someEnum.extensionASTNodes,
...someUnion.extensionASTNodes,
...someInput.extensionASTNodes,
...someInterface.extensionASTNodes,
]).to.have.members([
...firstExtensionAST.definitions,
...secondExtensionAST.definitions,
]);
const newField = query.getFields().newField;
expectASTNode(newField).to.equal('newField(testArg: TestInput): TestEnum');
expectASTNode(newField.args[0]).to.equal('testArg: TestInput');
expectASTNode(query.getFields().oneMoreNewField).to.equal(
'oneMoreNewField: TestUnion',
);
expectASTNode(someEnum.getValue('NEW_VALUE')).to.equal('NEW_VALUE');
expectASTNode(someEnum.getValue('ONE_MORE_NEW_VALUE')).to.equal(
'ONE_MORE_NEW_VALUE',
);
expectASTNode(someInput.getFields().newField).to.equal('newField: String');
expectASTNode(someInput.getFields().oneMoreNewField).to.equal(
'oneMoreNewField: String',
);
expectASTNode(someInterface.getFields().newField).to.equal(
'newField: String',
);
expectASTNode(someInterface.getFields().oneMoreNewField).to.equal(
'oneMoreNewField: String',
);
expectASTNode(testInput.getFields().testInputField).to.equal(
'testInputField: TestEnum',
);
expectASTNode(testEnum.getValue('TEST_VALUE')).to.equal('TEST_VALUE');
expectASTNode(testInterface.getFields().interfaceField).to.equal(
'interfaceField: String',
);
expectASTNode(testType.getFields().interfaceField).to.equal(
'interfaceField: String',
);
expectASTNode(testDirective.args[0]).to.equal('arg: Int');
});
it('builds types with deprecated fields/values', () => {
const schema = new GraphQLSchema({});
const extendAST = parse(`
type SomeObject {
deprecatedField: String @deprecated(reason: "not used anymore")
}
enum SomeEnum {
DEPRECATED_VALUE @deprecated(reason: "do not use")
}
`);
const extendedSchema = extendSchema(schema, extendAST);
const someType = assertObjectType(extendedSchema.getType('SomeObject'));
expect(someType.getFields().deprecatedField).to.include({
deprecationReason: 'not used anymore',
});
const someEnum = assertEnumType(extendedSchema.getType('SomeEnum'));
expect(someEnum.getValue('DEPRECATED_VALUE')).to.include({
deprecationReason: 'do not use',
});
});
it('extends objects with deprecated fields', () => {
const schema = buildSchema('type SomeObject');
const extendAST = parse(`
extend type SomeObject {
deprecatedField: String @deprecated(reason: "not used anymore")
}
`);
const extendedSchema = extendSchema(schema, extendAST);
const someType = assertObjectType(extendedSchema.getType('SomeObject'));
expect(someType.getFields().deprecatedField).to.include({
deprecationReason: 'not used anymore',
});
});
it('extends enums with deprecated values', () => {
const schema = buildSchema('enum SomeEnum');
const extendAST = parse(`
extend enum SomeEnum {
DEPRECATED_VALUE @deprecated(reason: "do not use")
}
`);
const extendedSchema = extendSchema(schema, extendAST);
const someEnum = assertEnumType(extendedSchema.getType('SomeEnum'));
expect(someEnum.getValue('DEPRECATED_VALUE')).to.include({
deprecationReason: 'do not use',
});
});
it('adds new unused types', () => {
const schema = buildSchema(`
type Query {
dummy: String
}
`);
const extensionSDL = dedent`
type DummyUnionMember {
someField: String
}
enum UnusedEnum {
SOME_VALUE
}
input UnusedInput {
someField: String
}
interface UnusedInterface {
someField: String
}
type UnusedObject {
someField: String
}
union UnusedUnion = DummyUnionMember
`;
const extendedSchema = extendSchema(schema, parse(extensionSDL));
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(extensionSDL);
});
it('extends objects by adding new fields with arguments', () => {
const schema = buildSchema(`
type SomeObject
type Query {
someObject: SomeObject
}
`);
const extendAST = parse(`
input NewInputObj {
field1: Int
field2: [Float]
field3: String!
}
extend type SomeObject {
newField(arg1: String, arg2: NewInputObj!): String
}
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
type SomeObject {
newField(arg1: String, arg2: NewInputObj!): String
}
input NewInputObj {
field1: Int
field2: [Float]
field3: String!
}
`);
});
it('extends objects by adding new fields with existing types', () => {
const schema = buildSchema(`
type Query {
someObject: SomeObject
}
type SomeObject
enum SomeEnum { VALUE }
`);
const extendAST = parse(`
extend type SomeObject {
newField(arg1: SomeEnum!): SomeEnum
}
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
type SomeObject {
newField(arg1: SomeEnum!): SomeEnum
}
`);
});
it('extends objects by adding implemented interfaces', () => {
const schema = buildSchema(`
type Query {
someObject: SomeObject
}
type SomeObject {
foo: String
}
interface SomeInterface {
foo: String
}
`);
const extendAST = parse(`
extend type SomeObject implements SomeInterface
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
type SomeObject implements SomeInterface {
foo: String
}
`);
});
it('extends objects by including new types', () => {
const schema = buildSchema(`
type Query {
someObject: SomeObject
}
type SomeObject {
oldField: String
}
`);
const newTypesSDL = dedent`
enum NewEnum {
VALUE
}
interface NewInterface {
baz: String
}
type NewObject implements NewInterface {
baz: String
}
scalar NewScalar
union NewUnion = NewObject`;
const extendAST = parse(`
${newTypesSDL}
extend type SomeObject {
newObject: NewObject
newInterface: NewInterface
newUnion: NewUnion
newScalar: NewScalar
newEnum: NewEnum
newTree: [SomeObject]!
}
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
type SomeObject {
oldField: String
newObject: NewObject
newInterface: NewInterface
newUnion: NewUnion
newScalar: NewScalar
newEnum: NewEnum
newTree: [SomeObject]!
}
${newTypesSDL}
`);
});
it('extends objects by adding implemented new interfaces', () => {
const schema = buildSchema(`
type Query {
someObject: SomeObject
}
type SomeObject implements OldInterface {
oldField: String
}
interface OldInterface {
oldField: String
}
`);
const extendAST = parse(`
extend type SomeObject implements NewInterface {
newField: String
}
interface NewInterface {
newField: String
}
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
type SomeObject implements OldInterface & NewInterface {
oldField: String
newField: String
}
interface NewInterface {
newField: String
}
`);
});
it('extends different types multiple times', () => {
const schema = buildSchema(`
type Query {
someScalar: SomeScalar
someObject(someInput: SomeInput): SomeObject
someInterface: SomeInterface
someEnum: SomeEnum
someUnion: SomeUnion
}
scalar SomeScalar
type SomeObject implements SomeInterface {
oldField: String
}
interface SomeInterface {
oldField: String
}
enum SomeEnum {
OLD_VALUE
}
union SomeUnion = SomeObject
input SomeInput {
oldField: String
}
`);
const newTypesSDL = dedent`
scalar NewScalar
scalar AnotherNewScalar
type NewObject {
foo: String
}
type AnotherNewObject {
foo: String
}
interface NewInterface {
newField: String
}
interface AnotherNewInterface {
anotherNewField: String
}
`;
const schemaWithNewTypes = extendSchema(schema, parse(newTypesSDL));
expectSchemaChanges(schema, schemaWithNewTypes).to.equal(newTypesSDL);
const extendAST = parse(`
extend scalar SomeScalar @specifiedBy(url: "http://example.com/foo_spec")
extend type SomeObject implements NewInterface {
newField: String
}
extend type SomeObject implements AnotherNewInterface {
anotherNewField: String
}
extend enum SomeEnum {
NEW_VALUE
}
extend enum SomeEnum {
ANOTHER_NEW_VALUE
}
extend union SomeUnion = NewObject
extend union SomeUnion = AnotherNewObject
extend input SomeInput {
newField: String
}
extend input SomeInput {
anotherNewField: String
}
`);
const extendedSchema = extendSchema(schemaWithNewTypes, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
scalar SomeScalar @specifiedBy(url: "http://example.com/foo_spec")
type SomeObject implements SomeInterface & NewInterface & AnotherNewInterface {
oldField: String
newField: String
anotherNewField: String
}
enum SomeEnum {
OLD_VALUE
NEW_VALUE
ANOTHER_NEW_VALUE
}
union SomeUnion = SomeObject | NewObject | AnotherNewObject
input SomeInput {
oldField: String
newField: String
anotherNewField: String
}
${newTypesSDL}
`);
});
it('extends interfaces by adding new fields', () => {
const schema = buildSchema(`
interface SomeInterface {
oldField: String
}
interface AnotherInterface implements SomeInterface {
oldField: String
}
type SomeObject implements SomeInterface & AnotherInterface {
oldField: String
}
type Query {
someInterface: SomeInterface
}
`);
const extendAST = parse(`
extend interface SomeInterface {
newField: String
}
extend interface AnotherInterface {
newField: String
}
extend type SomeObject {
newField: String
}
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
interface SomeInterface {
oldField: String
newField: String
}
interface AnotherInterface implements SomeInterface {
oldField: String
newField: String
}
type SomeObject implements SomeInterface & AnotherInterface {
oldField: String
newField: String
}
`);
});
it('extends interfaces by adding new implemented interfaces', () => {
const schema = buildSchema(`
interface SomeInterface {
oldField: String
}
interface AnotherInterface implements SomeInterface {
oldField: String
}
type SomeObject implements SomeInterface & AnotherInterface {
oldField: String
}
type Query {
someInterface: SomeInterface
}
`);
const extendAST = parse(`
interface NewInterface {
newField: String
}
extend interface AnotherInterface implements NewInterface {
newField: String
}
extend type SomeObject implements NewInterface {
newField: String
}
`);
const extendedSchema = extendSchema(schema, extendAST);
expect(validateSchema(extendedSchema)).to.deep.equal([]);
expectSchemaChanges(schema, extendedSchema).to.equal(dedent`
interface AnotherInterface implements SomeInterface & NewInterface {
oldField: String
newField: String
}
type SomeObject implements SomeInterface & AnotherInterface & NewInterface {
oldField: String
newField: String
}
interface NewInterface {
newField: String
}
`);
});
it('allows extension of interface with missing Object fields', () => {
const schema = buildSchema(`
type Query {
someInterface: SomeInterface
}
type SomeObject implements SomeInterface {
oldField: SomeInterface
}
interface SomeInterface {
oldField: SomeInterface
}
`);