@stryker-mutator/jest-runner/dist/src/jest-plugins/with-coverage-analysis.js

import path from 'path';
import { fileURLToPath, URL } from 'url';
import { propertyPath } from '@stryker-mutator/util';
import semver from 'semver';
import { state } from './cjs/messaging.js';
const jestEnvironmentGenericFileName = fileURLToPath(new URL('./cjs/jest-environment-generic.js', import.meta.url));
/**
 * Jest's defaults.
 * @see https://jestjs.io/docs/en/configuration
 */
function getJestDefaults(jestWrapper) {
    // New defaults since 27: https://jestjs.io/blog/2021/05/25/jest-27
    if (semver.satisfies(jestWrapper.getVersion(), '>=27')) {
        return {
            testRunner: 'jest-circus/runner',
            testEnvironment: 'node',
        };
    }
    else {
        return {
            // the defaults before v27
            testRunner: 'jest-jasmine2',
            testEnvironment: 'jsdom',
        };
    }
}
export function withCoverageAnalysis(jestConfig, coverageAnalysis, jestWrapper) {
    // Override with Stryker specific test environment to capture coverage analysis
    if (coverageAnalysis === 'off') {
        return jestConfig;
    }
    else {
        const overrides = {};
        overrideEnvironment(jestConfig, overrides, jestWrapper);
        if (coverageAnalysis === 'perTest') {
            setupFramework(jestConfig, overrides, jestWrapper);
        }
        return { ...jestConfig, ...overrides };
    }
}
export function withHitLimit(jestConfig, hitLimit, jestWrapper) {
    // Override with Stryker specific test environment to capture coverage analysis
    if (typeof hitLimit === 'number') {
        const overrides = {};
        overrideEnvironment(jestConfig, overrides, jestWrapper);
        return { ...jestConfig, ...overrides };
    }
    else {
        return jestConfig;
    }
}
/**
 * Setup the test framework (aka "runner" in jest terms) for "perTest" coverage analysis.
 * Will use monkey patching for framework "jest-jasmine2", and will assume the test environment handles events when "jest-circus"
 */
function setupFramework(jestConfig, overrides, jestWrapper) {
    var _a, _b;
    const testRunner = (_a = jestConfig.testRunner) !== null && _a !== void 0 ? _a : getJestDefaults(jestWrapper).testRunner;
    if (testRunner === 'jest-jasmine2') {
        overrides.setupFilesAfterEnv = [
            path.resolve(path.dirname(fileURLToPath(import.meta.url)), './jasmine2-setup-coverage-analysis.js'),
            ...((_b = jestConfig.setupFilesAfterEnv) !== null && _b !== void 0 ? _b : []),
        ];
    }
    else if (!testRunner.includes('jest-circus')) {
        // 'jest-circus/runner' is supported, via handleTestEvent, see https://jestjs.io/docs/en/configuration#testenvironment-string
        // Use includes here, since "react-scripts" will specify the full path to `jest-circus`, see https://github.com/stryker-mutator/stryker-js/issues/2789
        throw new Error(`The @stryker-mutator/jest-runner doesn't support ${propertyPath()('coverageAnalysis')} "perTest" with "jestConfig.testRunner": "${jestConfig.testRunner}". Please open an issue if you want support for this: https://github.com/stryker-mutator/stryker-js/issues`);
    }
}
function overrideEnvironment(jestConfig, overrides, jestWrapper) {
    var _a;
    const originalJestEnvironment = (_a = jestConfig.testEnvironment) !== null && _a !== void 0 ? _a : getJestDefaults(jestWrapper).testEnvironment;
    state.jestEnvironment = nameEnvironment(originalJestEnvironment);
    overrides.testEnvironment = jestEnvironmentGenericFileName;
}
function nameEnvironment(shortName) {
    return ['node', 'jsdom'].includes(shortName) ? `jest-environment-${shortName}` : shortName;
}
//# sourceMappingURL=with-coverage-analysis.js.map