/
config-set.spec.ts
1190 lines (1086 loc) · 42.8 KB
/
config-set.spec.ts
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/* eslint-disable jest/no-mocks-import */
import { Transformer } from '@jest/transform'
import { LogLevels, testing } from 'bs-logger'
import { readFileSync } from 'fs'
import json5 = require('json5')
import { resolve } from 'path'
import * as ts from 'typescript'
import * as _myModule from '..'
import { logTargetMock } from '../__helpers__/mocks'
import { createConfigSet, defaultResolve } from '../__helpers__/fakers'
import { TsJestGlobalOptions } from '../types'
import * as _backports from '../util/backports'
import { getPackageVersion } from '../util/get-package-version'
import { normalizeSlashes } from '../util/normalize-slashes'
import { mocked } from '../util/testing'
import { IGNORE_DIAGNOSTIC_CODES, MATCH_NOTHING, TS_JEST_OUT_DIR } from './config-set'
// eslint-disable-next-line no-duplicate-imports
import type { ConfigSet } from './config-set'
jest.mock('../util/backports')
jest.mock('../index')
jest.mock('../util/get-package-version')
const backports = mocked(_backports)
const myModule = mocked(_myModule)
backports.backportJestConfig.mockImplementation((_, config) => ({
...config,
__backported: true,
}))
const pkgVersion = (pkgName: string) => require(`${pkgName}/package.json`).version || '????'
beforeEach(() => {
jest.clearAllMocks()
})
describe('projectPackageJson', () => {
it('should return value from inline config when projectPackageJson config is inline', () => {
const EXPECTED = {
name: 'foo',
}
expect(
createConfigSet({
tsJestConfig: { packageJson: EXPECTED },
resolve: null,
}).projectPackageJson,
).toEqual(EXPECTED)
})
it('should return value from config file when projectPackageJson config is file', () => {
const EXPECTED = 'src/__mocks__/package-foo.json'
expect(
createConfigSet({
tsJestConfig: { packageJson: EXPECTED },
resolve: null,
}).projectPackageJson,
).toEqual(json5.parse(readFileSync(EXPECTED, 'utf8')))
})
it('should return value from root packageJson when provided value to tsJest config is undefined', () => {
expect(
createConfigSet({
tsJestConfig: { packageJson: undefined },
resolve: null,
}).projectPackageJson.name,
).toEqual('ts-jest')
})
it("should return empty object when config file path doesn't exist and print loggings", () => {
const logger = testing.createLoggerMock()
expect(
createConfigSet({
logger,
tsJestConfig: { packageJson: 'src/__mocks__/not-exist.json' },
}).projectPackageJson,
).toEqual({})
expect(logger.target.lines).toMatchInlineSnapshot(`
Array [
"[level:20] normalized jest config
",
"[level:20] normalized ts-jest config
",
"[level:40] Unable to find the root of the project where ts-jest has been installed.
",
]
`)
logger.target.clear()
})
it('should return value from root packageJson when real path rootDir is the same as tsJest root', () => {
expect(
createConfigSet({
resolve: null,
}).projectPackageJson.name,
).toEqual('ts-jest')
})
})
describe('jest', () => {
it('should return correct config and go thru backports', () => {
expect(createConfigSet().jest).toMatchSnapshot()
expect(backports.backportJestConfig).toHaveBeenCalledTimes(1)
})
it('should merge parent config if any with globals is an empty object', () => {
expect(
createConfigSet({
jestConfig: {
globals: {},
} as any,
parentConfig: { __parent: true } as any,
}).jest,
).toMatchSnapshot()
})
it('should merge parent config if any with globals is undefined', () => {
expect(
createConfigSet({
jestConfig: {
globals: undefined,
} as any,
parentConfig: { __parent: true } as any,
}).jest,
).toMatchSnapshot()
})
})
describe('isTestFile', () => {
it.each([
{
jestConfig: {
testRegex: [{}],
testMatch: [],
} as any,
},
{
jestConfig: {
testMatch: [],
testRegex: [/.*\.(spec|test)\.[jt]sx?$/],
} as any,
},
{
jestConfig: {
testMatch: ['**/?(*.)+(spec|test).[tj]s?(x)'],
testRegex: [],
} as any,
},
{
jestConfig: {
testMatch: ['**/?(*.)+(spec|test).[tj]s?(x)'],
testRegex: ['**/?(*.)+(foo|bar).[tj]s?(x)'],
} as any,
},
])('should return a boolean value whether the file matches test pattern', (config) => {
expect(createConfigSet(config).isTestFile('foo.spec.ts')).toMatchSnapshot()
})
})
describe('tsJest', () => {
const getConfigSet = (tsJest?: TsJestGlobalOptions) => createConfigSet({ tsJestConfig: tsJest })
const getTsJest = (tsJest?: TsJestGlobalOptions) => getConfigSet(tsJest).tsJest
it('should return correct defaults', () => {
expect(getConfigSet().jest.globals).toEqual({})
expect(getTsJest()).toMatchSnapshot()
})
describe('packageJson', () => {
it('should be correct when packageJson is true', () => {
const EXPECTED = {
kind: 'file',
value: undefined,
}
expect(getTsJest().packageJson).toEqual(EXPECTED)
expect(getTsJest({ packageJson: true }).packageJson).toEqual(EXPECTED)
})
it('should be correct for given file as string', () => {
const FILE = 'bar/tsconfig.foo.json'
const EXPECTED = {
kind: 'file',
value: defaultResolve(FILE),
}
expect(getTsJest({ packageJson: FILE }).packageJson).toEqual(EXPECTED)
})
it('should be correct for given file as an object', () => {
const packageJsonStub = require('../__mocks__/package-foo.json')
const EXPECTED = {
kind: 'inline',
value: packageJsonStub,
}
expect(getTsJest({ packageJson: packageJsonStub }).packageJson).toEqual(EXPECTED)
})
it('should be correct for inline config', () => {
const CONFIG = { foo: 'bar' }
const EXPECTED = {
kind: 'inline',
value: CONFIG,
}
expect(getTsJest({ packageJson: CONFIG as any }).packageJson).toEqual(EXPECTED)
})
})
describe('babelConfig', () => {
const logger = testing.createLoggerMock()
it('should be correct for default value', () => {
const cs = createConfigSet({
jestConfig: { rootDir: 'src', cwd: 'src' } as any,
logger,
resolve: null,
})
logger.target.clear()
expect(cs.tsJest.babelConfig).toBeUndefined()
expect(cs.babel).toBeUndefined()
expect(logger.target.lines[2]).toMatchInlineSnapshot(`
"[level:20] babel is disabled
"
`)
})
it('should be correct for true', () => {
const cs = createConfigSet({
jestConfig: { rootDir: 'src', cwd: 'src' } as any,
tsJestConfig: {
babelConfig: true,
},
logger,
resolve: null,
})
logger.target.clear()
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
expect(cs.tsJest.babelConfig!.kind).toEqual('file')
expect(cs.babel).toMatchInlineSnapshot(`
Object {
"cwd": "src",
}
`)
expect(logger.target.lines[2]).toMatchInlineSnapshot(`
"[level:20] normalized babel config via ts-jest option
"
`)
})
it('should be correct for given non javascript file path', () => {
const FILE = 'src/__mocks__/.babelrc-foo'
const cs = createConfigSet({
tsJestConfig: {
babelConfig: FILE,
},
logger,
resolve: null,
})
logger.target.clear()
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
expect(cs.tsJest.babelConfig!.kind).toEqual('file')
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
expect(cs.tsJest.babelConfig!.value).toContain('.babelrc-foo')
expect(cs.babel).toEqual(expect.objectContaining(json5.parse(readFileSync(FILE, 'utf8'))))
expect(logger.target.lines[3]).toMatchInlineSnapshot(`
"[level:20] normalized babel config via ts-jest option
"
`)
})
it('should be correct for given javascript file path', () => {
const cs = createConfigSet({
tsJestConfig: {
babelConfig: 'src/__mocks__/babel-foo.config.js',
},
logger,
resolve: null,
})
logger.target.clear()
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
expect(cs.tsJest.babelConfig!.kind).toEqual('file')
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
expect(cs.tsJest.babelConfig!.value).toContain('babel-foo.config.js')
expect(cs.babel).toEqual(expect.objectContaining(require('../__mocks__/babel-foo.config')))
expect(logger.target.lines[3]).toMatchInlineSnapshot(`
"[level:20] normalized babel config via ts-jest option
"
`)
})
it('should be correct for imported javascript file', () => {
const babelConfig = require('../__mocks__/babel-foo.config')
const cs = createConfigSet({
tsJestConfig: {
babelConfig,
},
logger,
resolve: null,
})
logger.target.clear()
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
expect(cs.tsJest.babelConfig!.kind).toEqual('inline')
expect(cs.babel).toEqual(expect.objectContaining(babelConfig))
expect(logger.target.lines[2]).toMatchInlineSnapshot(`
"[level:20] normalized babel config via ts-jest option
"
`)
})
it('should be correct for inline config', () => {
const CONFIG = { comments: true }
const cs = createConfigSet({
tsJestConfig: {
babelConfig: CONFIG,
},
resolve: null,
logger,
})
logger.target.clear()
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
expect(cs.tsJest.babelConfig!.kind).toEqual('inline')
expect(cs.babel).toEqual(expect.objectContaining(CONFIG))
expect(logger.target.lines[2]).toMatchInlineSnapshot(`
"[level:20] normalized babel config via ts-jest option
"
`)
})
}) // babelConfig
describe('diagnostics', () => {
it('should be correct for default value', () => {
const EXPECTED = {
ignoreCodes: IGNORE_DIAGNOSTIC_CODES,
pretty: true,
throws: true,
}
expect(getTsJest().diagnostics).toEqual(EXPECTED)
expect(getTsJest({ diagnostics: true }).diagnostics).toEqual(EXPECTED)
})
it('should be correct for false', () => {
const EXPECTED = {
ignoreCodes: IGNORE_DIAGNOSTIC_CODES,
pretty: true,
pathRegex: MATCH_NOTHING.source,
throws: false,
}
expect(getTsJest({ diagnostics: false }).diagnostics).toEqual(EXPECTED)
})
it('should be correct for inline config', () => {
const EXPECTED = {
ignoreCodes: [...IGNORE_DIAGNOSTIC_CODES, 10, 25],
pretty: false,
pathRegex: '\\.test\\.ts',
throws: true,
}
expect(
getTsJest({
diagnostics: {
ignoreCodes: '10, 25',
pathRegex: EXPECTED.pathRegex,
pretty: false,
},
}).diagnostics,
).toEqual(EXPECTED)
expect(
getTsJest({
diagnostics: {
ignoreCodes: ['10', 25],
pretty: false,
pathRegex: RegExp(EXPECTED.pathRegex),
},
}).diagnostics,
).toEqual(EXPECTED)
})
it('should have correct throws value', () => {
const EXPECTED = {
ignoreCodes: IGNORE_DIAGNOSTIC_CODES,
pretty: true,
}
expect(getTsJest({ diagnostics: { warnOnly: true } }).diagnostics).toEqual({ ...EXPECTED, throws: false })
expect(getTsJest({ diagnostics: { warnOnly: false } }).diagnostics).toEqual({ ...EXPECTED, throws: true })
})
}) // diagnostics
describe('stringifyContentPathRegex', () => {
it('should be correct for default value', () => {
expect(getTsJest().stringifyContentPathRegex).toBeUndefined()
expect(getTsJest({ stringifyContentPathRegex: null as any }).stringifyContentPathRegex).toBeUndefined()
})
it('should be normalized to a string', () => {
expect(getTsJest({ stringifyContentPathRegex: /abc/ }).stringifyContentPathRegex).toBe('abc')
expect(getTsJest({ stringifyContentPathRegex: 'abc' }).stringifyContentPathRegex).toBe('abc')
})
}) // stringifyContentPathRegex
describe('isolatedModules', () => {
it('should be correct for default value', () => {
expect(getTsJest().isolatedModules).toBe(false)
expect(getTsJest({ isolatedModules: false }).isolatedModules).toBe(false)
})
it('should be normalized to a boolean', () => {
expect(getTsJest({ isolatedModules: 'yes' as any }).isolatedModules).toBe(true)
expect(getTsJest({ isolatedModules: 1 as any }).isolatedModules).toBe(true)
})
}) // isolatedModules
describe('compiler', () => {
it('should be correct for default value', () => {
expect(getTsJest().compiler).toBe('typescript')
expect(getTsJest({ compiler: 'typescript' }).compiler).toBe('typescript')
})
it('should be given non-default value', () => {
expect(getTsJest({ compiler: 'ttypescript' }).compiler).toBe('ttypescript')
})
}) // compiler
}) // tsJest
describe('makeDiagnostic', () => {
const cs = createConfigSet()
it('should create diagnostic with defaults', () => {
expect(cs.makeDiagnostic(1234, 'foo is not bar')).toMatchInlineSnapshot(`
Object {
"category": 0,
"code": 1234,
"file": undefined,
"length": undefined,
"messageText": "foo is not bar",
"start": undefined,
}
`)
})
it('should set category', () => {
expect(cs.makeDiagnostic(4321, 'foo might be bar', { category: ts.DiagnosticCategory.Error }))
.toMatchInlineSnapshot(`
Object {
"category": 1,
"code": 4321,
"file": undefined,
"length": undefined,
"messageText": "foo might be bar",
"start": undefined,
}
`)
})
}) // makeDiagnostic
describe('typescript', () => {
const get = (tsJest?: TsJestGlobalOptions, parentConfig?: TsJestGlobalOptions) =>
createConfigSet({ tsJestConfig: tsJest, parentConfig }).parsedTsConfig
it('should read file list from default tsconfig', () => {
// since the default is to lookup for tsconfig,
// we should have this file in the list
expect(get().fileNames).toContain(normalizeSlashes(__filename))
})
it.each(['tsConfig', 'tsconfig'])('should include compiler config from `%s` option key', (key: string) => {
expect(get({ [key]: { baseUrl: 'src/config' } }).options.baseUrl).toBe(normalizeSlashes(__dirname))
})
it('should include compiler config from base config', () => {
expect(get(void 0, { tsConfig: { target: 'esnext' as any } }).options.target).toBe(ts.ScriptTarget.ESNext)
})
it('should override some options', () => {
expect(get({ tsConfig: { module: 'esnext' as any, inlineSources: false } }).options).toMatchObject({
module: ts.ModuleKind.CommonJS,
inlineSources: true,
})
})
it('should include default outDir $$ts-jest$$ when allowJs is enabled and no outDir from config', () => {
expect(get(void 0, { tsConfig: { allowJs: true } }).options.outDir).toBe(TS_JEST_OUT_DIR)
})
it('should be able to read extends', () => {
const cs = createConfigSet({
tsJestConfig: { tsConfig: 'tsconfig.build.json' },
resolve: null,
})
expect(cs.parsedTsConfig.options).toMatchObject({
module: ts.ModuleKind.CommonJS,
rootDir: normalizeSlashes(resolve(__dirname, '..')),
skipLibCheck: true,
})
})
it('should warn about possibly wrong module config and set synth. default imports', () => {
const target = logTargetMock()
target.clear()
const cs = createConfigSet({
tsJestConfig: {
tsConfig: { module: 'ES6', esModuleInterop: false } as any,
diagnostics: { warnOnly: true, pretty: false },
},
resolve: null,
})
expect(cs.parsedTsConfig.options).toMatchObject({
module: ts.ModuleKind.CommonJS,
allowSyntheticDefaultImports: true,
esModuleInterop: false,
})
expect(target.lines.warn.join()).toMatchInlineSnapshot(`
"[level:40] message TS151001: If you have issues related to imports, you should consider setting \`esModuleInterop\` to \`true\` in your TypeScript configuration file (usually \`tsconfig.json\`). See https://blogs.msdn.microsoft.com/typescript/2018/01/31/announcing-typescript-2-7/#easier-ecmascript-module-interoperability for more information.
"
`)
})
it('should not warn neither set synth. default imports if using babel', () => {
const target = logTargetMock()
target.clear()
const cs = createConfigSet({
tsJestConfig: {
tsConfig: { module: 'amd', esModuleInterop: false } as any,
diagnostics: { warnOnly: true, pretty: false },
babelConfig: { babelrc: false },
},
resolve: null,
})
expect(cs.parsedTsConfig.options).toMatchObject({
module: ts.ModuleKind.AMD,
esModuleInterop: false,
})
expect(cs.parsedTsConfig.options.allowSyntheticDefaultImports).toBeFalsy()
expect(target.lines.warn).toHaveLength(0)
})
}) // typescript
describe('resolvePath', () => {
it('should resolve paths', () => {
const cs = createConfigSet({ jestConfig: { rootDir: '/root', cwd: '/cwd' } as any, resolve: null })
const doResolve = (path: string) => cs.resolvePath(path, { throwIfMissing: false })
expect(doResolve('bar.js')).toBe(resolve('/cwd/bar.js'))
expect(doResolve('./bar.js')).toBe(resolve('/cwd/./bar.js'))
expect(doResolve('<rootDir>bar.js')).toBe(resolve('/root/bar.js'))
expect(doResolve('<rootDir>/bar.js')).toBe(resolve('/root//bar.js'))
})
it('should resolve node paths', () => {
const cs = createConfigSet({ jestConfig: { rootDir: '/root', cwd: '/cwd' } as any, resolve: null })
const doResolve = (path: string) => cs.resolvePath(path, { throwIfMissing: false, nodeResolve: true })
expect(doResolve('json5')).toBe(resolve(__dirname, '../../node_modules/json5', require('json5/package.json').main))
expect(doResolve('./bar.js')).toBe(resolve('/cwd/bar.js'))
expect(doResolve('<rootDir>bar.js')).toBe(resolve('/root/bar.js'))
expect(doResolve('<rootDir>/bar.js')).toBe(resolve('/root//bar.js'))
})
it('should throw for invalid paths', () => {
const cs = createConfigSet({ jestConfig: { rootDir: __dirname, cwd: __dirname } as any, resolve: null })
const doResolve = (path: string) => cs.resolvePath(path)
expect(() => doResolve('bar.js')).toThrow()
expect(() => doResolve('./bar.js')).toThrow()
expect(() => doResolve('<rootDir>bar.js')).toThrow()
expect(() => doResolve('<rootDir>/bar.js')).toThrow()
})
}) // resolvePath
describe('readTsConfig', () => {
let findConfig!: jest.SpyInstance<string | undefined>
let readConfig!: jest.SpyInstance<{ config?: any; error?: ts.Diagnostic }>
let parseConfig!: jest.SpyInstance<ts.ParsedCommandLine>
let cs!: ConfigSet
beforeAll(() => {
findConfig = jest.spyOn(ts, 'findConfigFile')
readConfig = jest.spyOn(ts, 'readConfigFile')
parseConfig = jest.spyOn(ts, 'parseJsonConfigFileContent')
})
afterAll(() => {
findConfig.mockRestore()
readConfig.mockRestore()
parseConfig.mockRestore()
})
describe('cannot resolve configFileName', () => {
beforeEach(() => {
cs = createConfigSet({ jestConfig: { rootDir: '/root', cwd: '/cwd' } as any })
findConfig.mockReturnValue(undefined)
readConfig.mockReturnValue({
error: {
code: 404,
} as any,
})
})
afterEach(() => {
findConfig.mockClear()
readConfig.mockClear()
parseConfig.mockClear()
})
it('should use correct paths when searching', () => {
const conf = cs.readTsConfig()
expect(conf.options.configFilePath).toBeUndefined()
expect(readConfig).not.toHaveBeenCalled()
expect(parseConfig.mock.calls[0][2]).toBe('/root')
expect(parseConfig.mock.calls[0][4]).toBeUndefined()
})
it('should use given tsconfig path', () => {
const conf = cs.readTsConfig(undefined, '/foo/tsconfig.bar.json')
expect(conf.options.configFilePath).toBeUndefined()
expect(findConfig).not.toBeCalled()
expect(readConfig.mock.calls[0][0]).toBe('/foo/tsconfig.bar.json')
expect(parseConfig).not.toHaveBeenCalled()
})
})
describe('resolve configFileName normally', () => {
beforeEach(() => {
cs = createConfigSet({ jestConfig: { rootDir: '/root', cwd: '/cwd' } as any })
findConfig.mockImplementation((p: string) => `${p}/tsconfig.json`)
readConfig.mockImplementation((p) => ({ config: { path: p, compilerOptions: {} } }))
})
afterEach(() => {
findConfig.mockClear()
readConfig.mockClear()
})
describe('module in tsConfig is not the same as forced module and esModuleInterop is not in tsConfig', () => {
beforeEach(() => {
parseConfig.mockImplementation((conf: any) => ({
options: {
...conf,
module: ts.ModuleKind.AMD,
},
fileNames: [],
errors: [],
}))
})
afterEach(() => {
parseConfig.mockClear()
})
it('should use correct paths when searching', () => {
const conf = cs.readTsConfig()
expect(conf.options.path).toBe('/root/tsconfig.json')
expect(findConfig.mock.calls[0][0]).toBe('/root')
expect(readConfig.mock.calls[0][0]).toBe('/root/tsconfig.json')
expect(parseConfig.mock.calls[0][2]).toBe('/root')
expect(parseConfig.mock.calls[0][4]).toBe('/root/tsconfig.json')
expect(conf.options.allowSyntheticDefaultImports).toEqual(true)
expect(conf.errors).toMatchSnapshot()
})
it('should use given tsconfig path', () => {
const conf = cs.readTsConfig(undefined, '/foo/tsconfig.bar.json')
expect(conf.options.path).toBe('/foo/tsconfig.bar.json')
expect(findConfig).not.toBeCalled()
expect(readConfig.mock.calls[0][0]).toBe('/foo/tsconfig.bar.json')
expect(parseConfig.mock.calls[0][2]).toBe('/foo')
expect(parseConfig.mock.calls[0][4]).toBe('/foo/tsconfig.bar.json')
expect(conf.errors).toMatchSnapshot()
})
})
describe('module in tsConfig is not the same as forced module and allowSyntheticDefaultImports is false in tsConfig', () => {
beforeEach(() => {
parseConfig.mockImplementation((conf: any) => ({
options: {
...conf,
module: ts.ModuleKind.AMD,
allowSyntheticDefaultImports: false,
},
fileNames: [],
errors: [],
}))
})
afterEach(() => {
parseConfig.mockClear()
})
it('should use correct paths when searching', () => {
const conf = cs.readTsConfig()
expect(conf.options.path).toBe('/root/tsconfig.json')
expect(findConfig.mock.calls[0][0]).toBe('/root')
expect(readConfig.mock.calls[0][0]).toBe('/root/tsconfig.json')
expect(parseConfig.mock.calls[0][2]).toBe('/root')
expect(parseConfig.mock.calls[0][4]).toBe('/root/tsconfig.json')
expect(conf.options.allowSyntheticDefaultImports).toEqual(true)
expect(conf.errors).toMatchSnapshot()
})
it('should use given tsconfig path', () => {
const conf = cs.readTsConfig(undefined, '/foo/tsconfig.bar.json')
expect(conf.options.path).toBe('/foo/tsconfig.bar.json')
expect(findConfig).not.toBeCalled()
expect(readConfig.mock.calls[0][0]).toBe('/foo/tsconfig.bar.json')
expect(parseConfig.mock.calls[0][2]).toBe('/foo')
expect(parseConfig.mock.calls[0][4]).toBe('/foo/tsconfig.bar.json')
expect(conf.errors).toMatchSnapshot()
})
})
describe('module in tsConfig is the same as forced module and esModuleInterop true is in tsConfig', () => {
beforeEach(() => {
parseConfig.mockImplementation((conf: any) => ({
options: {
...conf,
module: ts.ModuleKind.ESNext,
esModuleInterop: true,
},
fileNames: [],
errors: [],
}))
})
afterEach(() => {
parseConfig.mockClear()
})
it('should use correct paths when searching', () => {
const conf = cs.readTsConfig()
expect(conf.options.path).toBe('/root/tsconfig.json')
expect(findConfig.mock.calls[0][0]).toBe('/root')
expect(readConfig.mock.calls[0][0]).toBe('/root/tsconfig.json')
expect(parseConfig.mock.calls[0][2]).toBe('/root')
expect(parseConfig.mock.calls[0][4]).toBe('/root/tsconfig.json')
expect(conf.options.allowSyntheticDefaultImports).toBeUndefined()
expect(conf.errors).toEqual([])
})
it('should use given tsconfig path', () => {
const conf = cs.readTsConfig(undefined, '/foo/tsconfig.bar.json')
expect(conf.options.path).toBe('/foo/tsconfig.bar.json')
expect(findConfig).not.toBeCalled()
expect(readConfig.mock.calls[0][0]).toBe('/foo/tsconfig.bar.json')
expect(parseConfig.mock.calls[0][2]).toBe('/foo')
expect(parseConfig.mock.calls[0][4]).toBe('/foo/tsconfig.bar.json')
expect(conf.errors).toEqual([])
})
})
describe('module in tsConfig is the same as forced module and allowSyntheticDefaultImports true is in tsConfig', () => {
beforeEach(() => {
parseConfig.mockImplementation((conf: any) => ({
options: {
...conf,
module: ts.ModuleKind.ESNext,
allowSyntheticDefaultImports: true,
},
fileNames: [],
errors: [],
}))
})
afterEach(() => {
parseConfig.mockClear()
})
it('should use correct paths when searching', () => {
const conf = cs.readTsConfig()
expect(conf.options.path).toBe('/root/tsconfig.json')
expect(findConfig.mock.calls[0][0]).toBe('/root')
expect(readConfig.mock.calls[0][0]).toBe('/root/tsconfig.json')
expect(parseConfig.mock.calls[0][2]).toBe('/root')
expect(parseConfig.mock.calls[0][4]).toBe('/root/tsconfig.json')
expect(conf.errors).toEqual([])
expect(conf.options.allowSyntheticDefaultImports).toEqual(true)
})
it('should use given tsconfig path', () => {
const conf = cs.readTsConfig(undefined, '/foo/tsconfig.bar.json')
expect(conf.options.path).toBe('/foo/tsconfig.bar.json')
expect(findConfig).not.toBeCalled()
expect(readConfig.mock.calls[0][0]).toBe('/foo/tsconfig.bar.json')
expect(parseConfig.mock.calls[0][2]).toBe('/foo')
expect(parseConfig.mock.calls[0][4]).toBe('/foo/tsconfig.bar.json')
expect(conf.errors).toEqual([])
expect(conf.options.allowSyntheticDefaultImports).toEqual(true)
})
})
})
describe('mismatch nodejs version and typescript target', () => {
const logTarget = logTargetMock()
function mismatchTestCaseContent(rawTarget: string | undefined, scriptTarget: ts.ScriptTarget) {
parseConfig.mockImplementation((conf: any) => ({
options: {
...conf,
target: scriptTarget,
},
fileNames: [],
errors: [],
}))
readConfig.mockImplementation((p) => ({ config: { path: p, compilerOptions: { target: rawTarget } } }))
cs.readTsConfig()
}
describe.each([
{ jestConfig: { rootDir: '/root', cwd: '/cwd' } as any, tsJestConfig: { babelConfig: true } },
{ jestConfig: { rootDir: '/root', cwd: '/cwd' } as any },
])('toggle warning message for users who are using ts-jest with babel or without babel', (config) => {
const shouldAction = config.tsJestConfig?.babelConfig ? `shouldn't` : 'should'
beforeEach(() => {
logTarget.clear()
cs = createConfigSet(config)
findConfig.mockImplementation((p: string) => `${p}/tsconfig.json`)
})
afterEach(() => {
findConfig.mockClear()
parseConfig.mockClear()
readConfig.mockClear()
})
/**
* It seems like not possible to mock process.version so the condition here is needed
*/
if (process.version.startsWith('v10')) {
it(
`${shouldAction} show warning message when nodejs version is 10 and typescript target is higher than es2018` +
` with tsconfig contains target`,
() => {
mismatchTestCaseContent('es2019', ts.ScriptTarget.ES2019)
// eslint-disable-next-line
config.tsJestConfig?.babelConfig
? expect(logTarget.filteredLines(LogLevels.warn, Infinity)[0]).toBeUndefined()
: // expect.toEqual gives weird result here so toContain is workaround for it.
expect(logTarget.filteredLines(LogLevels.warn, Infinity)[0]).toContain(
'[level:40] There is a mismatch between your ' +
`NodeJs version ${process.version} and your TypeScript target es2019. This might lead to some unexpected errors ` +
'when running tests with `ts-jest`. To fix this, you can check https://github.com/microsoft/TypeScript/wiki/Node-Target-Mapping',
)
},
)
it(
`${shouldAction} show warning message when nodejs version is 10 and typescript target is higher than es2018` +
` with tsconfig doesn't contain target`,
() => {
mismatchTestCaseContent(undefined, ts.ScriptTarget.ES2019)
// eslint-disable-next-line
config.tsJestConfig?.babelConfig
? expect(logTarget.filteredLines(LogLevels.warn, Infinity)[0]).toBeUndefined()
: // expect.toEqual gives weird result here so toContain is workaround for it.
expect(logTarget.filteredLines(LogLevels.warn, Infinity)[0]).toContain(
'[level:40] There is a mismatch between your ' +
`NodeJs version ${process.version} and your TypeScript target es2019. This might lead to some unexpected errors ` +
'when running tests with `ts-jest`. To fix this, you can check https://github.com/microsoft/TypeScript/wiki/Node-Target-Mapping',
)
},
)
} else {
it(
`${shouldAction} show warning message when nodejs version is 12 and typescript target is higher than es2019` +
` with tsconfig contains target`,
() => {
mismatchTestCaseContent('es2020', ts.ScriptTarget.ES2020)
// eslint-disable-next-line
config.tsJestConfig?.babelConfig
? expect(logTarget.filteredLines(LogLevels.warn, Infinity)[0]).toBeUndefined()
: // expect.toEqual gives weird result here so toContain is workaround for it.
expect(logTarget.filteredLines(LogLevels.warn, Infinity)[0]).toContain(
'[level:40] There is a mismatch between your ' +
`NodeJs version ${process.version} and your TypeScript target es2020. This might lead to some unexpected errors ` +
'when running tests with `ts-jest`. To fix this, you can check https://github.com/microsoft/TypeScript/wiki/Node-Target-Mapping',
)
},
)
it(
`${shouldAction} show warning message when nodejs version is 12 and typescript target is higher than es2019` +
` with tsconfig doesn't target`,
() => {
mismatchTestCaseContent(undefined, ts.ScriptTarget.ES2020)
// eslint-disable-next-line
config.tsJestConfig?.babelConfig
? expect(logTarget.filteredLines(LogLevels.warn, Infinity)[0]).toBeUndefined()
: // expect.toEqual gives weird result here so toContain is workaround for it.
expect(logTarget.filteredLines(LogLevels.warn, Infinity)[0]).toContain(
'[level:40] There is a mismatch between your ' +
`NodeJs version ${process.version} and your TypeScript target es2020. This might lead to some unexpected errors ` +
'when running tests with `ts-jest`. To fix this, you can check https://github.com/microsoft/TypeScript/wiki/Node-Target-Mapping',
)
},
)
}
})
})
}) // readTsConfig
describe('versions', () => {
describe('package version cannot be resolved', () => {
let mock: jest.MockInstance<string | undefined, [string]>
beforeEach(() => {
mock = mocked(getPackageVersion).mockReturnValue(undefined)
})
afterEach(() => {
mock.mockRestore()
})
it('should return correct version map without babel', () => {
expect(createConfigSet().versions).toEqual({
jest: '-',
'ts-jest': myModule.version,
typescript: '-',
})
})
it('should return correct version map with babel', () => {
expect(createConfigSet({ tsJestConfig: { babelConfig: {} } }).versions).toEqual({
'@babel/core': '-',
'babel-jest': '-',
jest: '-',
'ts-jest': myModule.version,
typescript: '-',
})
})
})
describe('package version can be resolved', () => {
let mock: jest.MockInstance<string | undefined, [string]>
beforeEach(() => {
mock = mocked(getPackageVersion).mockImplementation(pkgVersion)
})
afterEach(() => {
mock.mockRestore()
})
it('should return correct version map without babel', () => {
expect(createConfigSet().versions).toEqual({
jest: pkgVersion('jest'),
'ts-jest': myModule.version,
typescript: pkgVersion('typescript'),
})
})
it('should return correct version map with babel', () => {
expect(createConfigSet({ tsJestConfig: { babelConfig: {} } }).versions).toEqual({
'@babel/core': pkgVersion('@babel/core'),
'babel-jest': pkgVersion('babel-jest'),
jest: pkgVersion('jest'),
'ts-jest': myModule.version,
typescript: pkgVersion('typescript'),
})
})
})
}) // versions
describe('tsJestDigest', () => {
it('should be the package digest', () => {
expect(createConfigSet().tsJestDigest).toBe(myModule.digest)
})
}) // tsJestDigest
describe('shouldStringifyContent', () => {
it('should return correct value is defined', () => {
const cs = createConfigSet({ tsJestConfig: { tsConfig: false, stringifyContentPathRegex: '\\.str$' } as any })
expect(cs.shouldStringifyContent('/foo/bar.ts')).toBe(false)
expect(cs.shouldStringifyContent('/foo/bar.str')).toBe(true)
})
it('should return correct value when stringifyContentPathRegex is undefined', () => {
const cs = createConfigSet({ tsJestConfig: { tsConfig: false } as any })
expect(cs.shouldStringifyContent('/foo/bar.ts')).toBe(false)
})
}) // shouldStringifyContent
describe('shouldReportDiagnostic', () => {
it('should return correct value', () => {
let cs = createConfigSet({ tsJestConfig: { tsConfig: false, diagnostics: { pathRegex: '/foo/' } } as any })
expect(cs.shouldReportDiagnostic('/foo/index.ts')).toBe(true)
expect(cs.shouldReportDiagnostic('/bar/index.ts')).toBe(false)
cs = createConfigSet({ tsJestConfig: { tsConfig: false } as any })
expect(cs.shouldReportDiagnostic('/foo/index.ts')).toBe(true)
expect(cs.shouldReportDiagnostic('/bar/index.ts')).toBe(true)
})
}) // shouldReportDiagnostic
describe('tsCompiler', () => {
it('should be a compiler object', () => {
const cs = createConfigSet({
jestConfig: {
testRegex: [],
testMatch: [],
},
tsJestConfig: { tsConfig: false } as any,
})
const compiler = cs.tsCompiler
expect(compiler.cwd).toBe(cs.cwd)
expect(typeof compiler.compile).toBe('function')
})
}) // tsCompiler
describe('hooks', () => {
it('should return empty object when environment variable TS_JEST_HOOKS is undefined', () => {
expect(createConfigSet().hooks).toEqual({})
})
it('should return value when environment variable TS_JEST_HOOKS is defined', () => {
process.env.TS_JEST_HOOKS = './foo'
expect(createConfigSet().hooks).toBeDefined()
})