140 строки
3.9 KiB
TypeScript
140 строки
3.9 KiB
TypeScript
import crypto from 'crypto';
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import { readFileSync } from 'fs';
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import { expect } from '@jest/globals';
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import upath from 'upath';
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import { getConfig } from '../lib/config/defaults';
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import type { RenovateConfig } from '../lib/config/types';
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import * as _logger from '../lib/logger';
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import { platform as _platform } from '../lib/platform';
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import * as _env from '../lib/util/exec/env';
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import * as _fs from '../lib/util/fs';
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import * as _git from '../lib/util/git';
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import * as _hostRules from '../lib/util/host-rules';
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/**
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* Simple wrapper for getting mocked version of a module
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* @param module module which is mocked by `jest.mock`
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*/
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export function mocked<T>(module: T): jest.Mocked<T> {
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return module as never;
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}
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/**
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* Simply wrapper to create partial mocks.
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* @param obj Object to cast to final type
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*/
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export function partial<T>(obj: Partial<T>): T {
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return obj as T;
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}
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export const fs = mocked(_fs);
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export const git = mocked(_git);
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export const platform = mocked(_platform);
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export const env = mocked(_env);
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export const hostRules = mocked(_hostRules);
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export const logger = mocked(_logger);
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export type { RenovateConfig };
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export const defaultConfig = getConfig();
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export { getConfig };
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function getCallerFileName(): string | null {
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let result = null;
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const prepareStackTrace = Error.prepareStackTrace;
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const stackTraceLimit = Error.stackTraceLimit;
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Error.prepareStackTrace = (_err, stack) => stack;
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Error.stackTraceLimit = 5; // max calls inside this file + 1
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try {
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const err = new Error();
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const stack = err.stack as unknown as NodeJS.CallSite[];
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let currentFile = null;
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for (const frame of stack) {
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const fileName = frame.getFileName();
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if (!currentFile) {
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currentFile = fileName;
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} else if (currentFile !== fileName) {
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result = fileName;
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break;
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}
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}
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} catch (e) {
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// no-op
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}
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Error.prepareStackTrace = prepareStackTrace;
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Error.stackTraceLimit = stackTraceLimit;
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return result;
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}
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export function getFixturePath(fixtureFile: string, fixtureRoot = '.'): string {
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const callerDir = upath.dirname(getCallerFileName());
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return upath.join(callerDir, fixtureRoot, '__fixtures__', fixtureFile);
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}
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export function loadBinaryFixture(
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fixtureFile: string,
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fixtureRoot = '.'
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): Buffer {
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const fixtureAbsFile = getFixturePath(fixtureFile, fixtureRoot);
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return readFileSync(fixtureAbsFile);
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}
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export function loadFixture(fixtureFile: string, fixtureRoot = '.'): string {
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const fixtureAbsFile = getFixturePath(fixtureFile, fixtureRoot);
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return readFileSync(fixtureAbsFile, { encoding: 'utf8' });
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}
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export function loadJsonFixture<T = any>(
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fixtureFile: string,
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fixtureRoot = '.'
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): T {
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const rawFixture = loadFixture(fixtureFile, fixtureRoot);
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return JSON.parse(rawFixture) as T;
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}
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/**
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* Can be used to search and replace strings in jest snapshots.
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* @example
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* expect.addSnapshotSerializer(
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* replacingSerializer(upath.toUnix(gradleDir.path), 'localDir')
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* );
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*/
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export const replacingSerializer = (
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search: string,
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replacement: string
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): jest.SnapshotSerializerPlugin => ({
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test: (value) => typeof value === 'string' && value.includes(search),
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serialize: (val, config, indent, depth, refs, printer) => {
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const replaced = (val as string).replace(search, replacement);
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return printer(replaced, config, indent, depth, refs);
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},
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});
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export function addReplacingSerializer(from: string, to: string): void {
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expect.addSnapshotSerializer(replacingSerializer(from, to));
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}
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function toHash(buf: Buffer): string {
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return crypto.createHash('sha256').update(buf).digest('hex');
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}
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const bufferSerializer: jest.SnapshotSerializerPlugin = {
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test: (value) => Buffer.isBuffer(value),
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serialize: (val, config, indent, depth, refs, printer) => {
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const replaced = toHash(val);
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return printer(replaced, config, indent, depth, refs);
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},
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};
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export function addBufferSerializer(): void {
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expect.addSnapshotSerializer(bufferSerializer);
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}
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