metro/flow-typed/jest.js

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/**
* Copyright (c) 2004-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* Modified from https://raw.githubusercontent.com/flowtype/flow-typed/e3b0f3034929e0f0fb85c790450a201b380ac2fd/definitions/npm/jest_v17.x.x/flow_v0.33.x-/jest_v17.x.x.js
* Duplicated from www/flow/shared/jest.js
* @flow
* @format
*/
/* eslint-disable lint/no-unclear-flowtypes */
'use strict';
type JestMockFn = {
(...args: Array<any>): any,
mock: {
calls: Array<Array<any>>,
instances: mixed,
},
mockClear(): Function,
mockReset(): Function,
mockImplementation(fn: Function): JestMockFn,
mockImplementationOnce(fn: Function): JestMockFn,
mockReturnThis(): void,
mockReturnValue(value: any): JestMockFn,
mockReturnValueOnce(value: any): JestMockFn,
};
type JestAsymmetricEqualityType = {
asymmetricMatch(value: mixed): boolean,
};
type JestCallsType = {
allArgs(): mixed,
all(): mixed,
any(): boolean,
count(): number,
first(): mixed,
mostRecent(): mixed,
reset(): void,
};
type JestClockType = {
install(): void,
mockDate(date: Date): void,
tick(): void,
uninstall(): void,
};
type JestMatcherResult = {
message?: string | (() => string),
pass: boolean,
};
type JestMatcher = (actual: any, expected: any) => JestMatcherResult;
type JestExpectType = {
not: JestExpectType,
lastCalledWith(...args: Array<any>): void,
toBe(value: any): void,
toBeCalled(): void,
toBeCalledWith(...args: Array<any>): void,
toBeCloseTo(num: number, delta: any): void,
toBeDefined(): void,
toBeFalsy(): void,
toBeGreaterThan(number: number): void,
toBeGreaterThanOrEqual(number: number): void,
toBeLessThan(number: number): void,
toBeLessThanOrEqual(number: number): void,
toBeInstanceOf(cls: Class<*>): void,
toBeNull(): void,
toBeTruthy(): void,
toBeUndefined(): void,
toContain(item: any): void,
toContainEqual(item: any): void,
toEqual(value: any): void,
toHaveBeenCalled(): void,
toHaveBeenCalledTimes(number: number): void,
toHaveBeenCalledWith(...args: Array<any>): void,
toHaveProperty(path: string, value?: any): void,
toMatch(regexp: RegExp): void,
toMatchObject(object: Object): void,
toMatchSnapshot(): void,
toThrow(message?: string | Error | Class<Error>): void,
toThrowError(message?: string | Error | Class<Error> | RegExp): void,
toThrowErrorMatchingSnapshot(): void,
};
type JestSpyType = {
calls: JestCallsType,
};
declare function afterEach(fn: Function): void;
declare function beforeEach(fn: Function): void;
declare function afterAll(fn: Function): void;
declare function beforeAll(fn: Function): void;
declare function describe(name: string, fn: Function): void;
declare var it: {
(name: string, fn: Function): ?Promise<void>,
only(name: string, fn: Function): ?Promise<void>,
skip(name: string, fn: Function): ?Promise<void>,
};
declare function fit(name: string, fn: Function): ?Promise<void>;
declare function pit(name: string, fn: () => Promise<any>): Promise<void>;
declare var test: typeof it;
declare var xdescribe: typeof describe;
declare var fdescribe: typeof describe;
declare var xit: typeof it;
declare var xtest: typeof it;
declare var expect: {
(value: any): JestExpectType,
any: any,
extend(matchers: {[name: string]: JestMatcher}): void,
objectContaining(any): void,
};
declare function fail(message?: string): void;
// TODO handle return type
// http://jasmine.github.io/2.4/introduction.html#section-Spies
declare function spyOn(value: mixed, method: string): Object;
type Jest = {
autoMockOff(): Jest,
autoMockOn(): Jest,
clearAllTimers(): void,
currentTestPath(): void,
disableAutomock(): Jest,
doMock(moduleName: string, moduleFactory?: any): void,
dontMock(moduleName: string): Jest,
enableAutomock(): Jest,
fn(implementation?: Function): JestMockFn,
isMockFunction(fn: Function): boolean,
genMockFromModule(moduleName: string): any,
mock(moduleName: string, moduleFactory?: any): Jest,
resetAllMocks(): Jest,
resetModuleRegistry(): Jest, // undocumented alias for resetModuleRegistry
resetModules(): Jest,
restoreAllMocks(): Jest,
runAllTicks(): Jest,
runAllTimers(): Jest,
runTimersToTime(msToRun: number): Jest,
runOnlyPendingTimers(): Jest,
setMock(moduleName: string, moduleExports: any): Jest,
unmock(moduleName: string): Jest,
useFakeTimers(): Jest,
useRealTimers(): Jest,
};
declare var jest: Jest;
declare var jasmine: {
DEFAULT_TIMEOUT_INTERVAL: number,
any(value: mixed): JestAsymmetricEqualityType,
anything(): void,
arrayContaining(value: Array<mixed>): void,
clock(): JestClockType,
createSpy(name: string): JestSpyType,
objectContaining(value: Object): void,
stringMatching(value: string): void,
};