/
generate-and-save.spec.ts
219 lines (195 loc) · 6.11 KB
/
generate-and-save.spec.ts
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import { useMonorepo } from '@graphql-codegen/testing';
import { generate } from '../src/generate-and-save';
import * as fs from '../src/utils/file-system';
import { Types } from '@graphql-codegen/plugin-helpers';
import { dirname, join } from 'path';
import makeDir from 'make-dir';
const SIMPLE_TEST_SCHEMA = `type MyType { f: String } type Query { f: String }`;
const inputFile = join(__dirname, '../temp/input-graphql.tsx');
const outputFile = join(__dirname, '../temp/output-graphql.tsx');
const monorepo = useMonorepo({ dirname: __dirname });
describe('generate-and-save', () => {
monorepo.correctCWD();
afterEach(() => {
jest.resetAllMocks();
});
test('allow to specify overwrite for specific output (should write file)', async () => {
const filename = 'overwrite.ts';
const writeSpy = jest.spyOn(fs, 'writeFile').mockImplementation();
const output = await generate(
{
schema: SIMPLE_TEST_SCHEMA,
overwrite: false,
generates: {
[filename]: {
overwrite: true,
schema: `
type OtherType { a: String }
`,
plugins: ['typescript'],
},
},
},
true
);
expect(output.length).toBe(1);
// makes sure it writes a new file
expect(writeSpy).toHaveBeenCalled();
});
test('allow to specify overwrite for specific output (should not write file)', async () => {
const filename = 'overwrite.ts';
const writeSpy = jest.spyOn(fs, 'writeFile').mockImplementation();
// forces file to exist
const fileExistsSpy = jest.spyOn(fs, 'fileExists');
fileExistsSpy.mockImplementation(async file => file === filename);
const output = await generate(
{
schema: SIMPLE_TEST_SCHEMA,
overwrite: true,
generates: {
[filename]: {
overwrite: false,
schema: `
type OtherType { a: String }
`,
plugins: ['typescript'],
},
},
},
true
);
expect(output.length).toBe(1);
// makes sure it checks if file is there
expect(fileExistsSpy).toHaveBeenCalledWith(filename);
// makes sure it doesn't write a new file
expect(writeSpy).not.toHaveBeenCalled();
});
test('should use global overwrite option and write a file', async () => {
const filename = 'overwrite.ts';
const writeSpy = jest.spyOn(fs, 'writeFile').mockImplementation();
const output = await generate(
{
schema: SIMPLE_TEST_SCHEMA,
overwrite: true,
generates: {
[filename]: {
schema: `
type OtherType { a: String }
`,
plugins: ['typescript'],
},
},
},
true
);
expect(output.length).toBe(1);
// makes sure it writes a new file
expect(writeSpy).toHaveBeenCalled();
});
test('should use global overwrite option and not write a file', async () => {
const filename = 'overwrite.ts';
const writeSpy = jest.spyOn(fs, 'writeFile').mockImplementation();
// forces file to exist
const fileExistsSpy = jest.spyOn(fs, 'fileExists');
fileExistsSpy.mockImplementation(async file => file === filename);
const output = await generate(
{
schema: SIMPLE_TEST_SCHEMA,
overwrite: false,
generates: {
[filename]: {
schema: `
type OtherType { a: String }
`,
plugins: ['typescript'],
},
},
},
true
);
expect(output.length).toBe(1);
// makes sure it checks if file is there
expect(fileExistsSpy).toHaveBeenCalledWith(filename);
// makes sure it doesn't write a new file
expect(writeSpy).not.toHaveBeenCalled();
});
test('should overwrite a file by default', async () => {
const filename = 'overwrite.ts';
const writeSpy = jest.spyOn(fs, 'writeFile').mockImplementation();
const readSpy = jest.spyOn(fs, 'readFile').mockImplementation();
readSpy.mockImplementation(async _f => '');
// forces file to exist
const fileExistsSpy = jest.spyOn(fs, 'fileExists');
fileExistsSpy.mockImplementation(async file => file === filename);
const output = await generate(
{
schema: SIMPLE_TEST_SCHEMA,
generates: {
[filename]: {
schema: /* GraphQL */ `
type OtherType {
a: String
}
`,
plugins: ['typescript'],
},
},
},
true
);
expect(output.length).toBe(1);
// makes sure it doesn't write a new file
expect(writeSpy).toHaveBeenCalled();
});
test('should override generated files', async () => {
jest.unmock('fs');
const fs = await import('fs');
makeDir.sync(dirname(outputFile));
if (fs.existsSync(outputFile)) {
fs.unlinkSync(outputFile);
}
fs.writeFileSync(
inputFile,
`
import gql from 'graphql-tag';
const MyQuery = gql\`query MyQuery { f }\`;
`,
{}
);
const generateOnce: () => Promise<Types.FileOutput[]> = () =>
generate(
{
schema: SIMPLE_TEST_SCHEMA,
documents: inputFile,
generates: {
[outputFile]: {
plugins: ['typescript', 'typescript-operations', 'typescript-react-apollo'],
},
},
},
true
);
const [firstOutput] = await generateOnce();
fs.writeFileSync(firstOutput.filename, firstOutput.content);
await generateOnce();
});
test('should extract a document from the gql tag (imported from apollo-server)', async () => {
const filename = 'overwrite.ts';
const writeSpy = jest.spyOn(fs, 'writeFile').mockImplementation();
const output = await generate(
{
schema: `./tests/test-files/schema-dir/gatsby-and-custom-parsers/apollo-server.ts`,
generates: {
[filename]: {
plugins: ['typescript'],
},
},
},
true
);
expect(output.length).toBe(1);
expect(output[0].content).toMatch('Used apollo-server');
// makes sure it doesn't write a new file
expect(writeSpy).toHaveBeenCalled();
});
});