forked from jestjs/jest
/
shouldInstrument.js
120 lines (103 loc) 路 2.69 KB
/
shouldInstrument.js
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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import type {Path, ProjectConfig} from 'types/Config';
import type {Options} from './types';
import path from 'path';
import {escapePathForRegex} from 'jest-regex-util';
import {replacePathSepForGlob} from 'jest-util';
import micromatch from 'micromatch';
const MOCKS_PATTERN = new RegExp(
escapePathForRegex(path.sep + '__mocks__' + path.sep),
);
export default function shouldInstrument(
filename: Path,
options: Options,
config: ProjectConfig,
): boolean {
if (!options.collectCoverage) {
return false;
}
if (
config.forceCoverageMatch &&
config.forceCoverageMatch.length &&
micromatch.any(filename, config.forceCoverageMatch)
) {
return true;
}
if (
!config.testPathIgnorePatterns ||
!config.testPathIgnorePatterns.some(pattern => filename.match(pattern))
) {
if (
config.testRegex &&
config.testRegex.some(regex => new RegExp(regex).test(filename))
) {
return false;
}
if (
config.testMatch &&
config.testMatch.length &&
micromatch.some(replacePathSepForGlob(filename), config.testMatch)
) {
return false;
}
}
if (
// This configuration field contains an object in the form of:
// {'path/to/file.js': true}
options.collectCoverageOnlyFrom &&
!options.collectCoverageOnlyFrom[filename]
) {
return false;
}
if (
// still cover if `only` is specified
!options.collectCoverageOnlyFrom &&
options.collectCoverageFrom &&
!micromatch.some(
replacePathSepForGlob(path.relative(config.rootDir, filename)),
options.collectCoverageFrom,
)
) {
return false;
}
if (
config.coveragePathIgnorePatterns &&
config.coveragePathIgnorePatterns.some(pattern => filename.match(pattern))
) {
return false;
}
if (config.globalSetup === filename) {
return false;
}
if (config.globalTeardown === filename) {
return false;
}
if (
//TODO: Remove additional check when normalized config provided in unit test
config.setupFiles &&
config.setupFiles.some(setupFile => setupFile === filename)
) {
return false;
}
if (
//TODO: Remove additional check when normalized config provided in unit test
config.setupFilesAfterEnv &&
config.setupFilesAfterEnv.some(setupFile => setupFile === filename)
) {
return false;
}
if (MOCKS_PATTERN.test(filename)) {
return false;
}
if (options.changedFiles && !options.changedFiles.has(filename)) {
return false;
}
return true;
}