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VueJsPreset.ts
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VueJsPreset.ts
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import inquirer = require('inquirer');
import { File, PartialStrykerOptions } from '@stryker-mutator/api/core';
import Preset from './Preset';
import PresetConfiguration from './PresetConfiguration';
const handbookUrl = 'https://github.com/stryker-mutator/stryker-handbook/blob/master/stryker/guides/vuejs.md#vuejs';
/**
* More information can be found in the Stryker handbook:
* https://github.com/stryker-mutator/stryker-handbook/blob/master/stryker/guides/vuejs.md#vuejs
*/
export class VueJsPreset implements Preset {
public readonly name = 'vue-cli';
private readonly jestConf: PartialStrykerOptions = {
testRunner: 'jest',
mutator: {
plugins: [],
},
jest: {
// config: require('path/to/your/custom/jestConfig.js')
},
reporters: ['progress', 'clear-text', 'html'],
coverageAnalysis: 'off',
};
private readonly mochaConf: PartialStrykerOptions = {
testRunner: 'mocha',
mutator: {
plugins: [],
},
mochaOptions: {
require: ['@vue/cli-plugin-unit-mocha/setup.js'],
spec: ['dist/js/chunk-vendors.js', 'dist/js/tests.js'],
},
buildCommand: 'webpack --config webpack.config.stryker.js',
reporters: ['progress', 'clear-text', 'html'],
coverageAnalysis: 'perTest',
};
public async createConfig(): Promise<PresetConfiguration> {
const testRunnerChoices = ['mocha', 'jest'];
const testRunnerAnswers = await inquirer.prompt<{ testRunner: string }>({
choices: testRunnerChoices,
message: 'Which test runner do you want to use?',
name: 'testRunner',
type: 'list',
});
const chosenTestRunner = testRunnerAnswers.testRunner;
return {
config: this.getConfig(chosenTestRunner),
dependencies: this.createDependencies(chosenTestRunner),
handbookUrl,
additionalConfigFiles: this.getAdditionalConfigFiles(chosenTestRunner),
};
}
private getConfig(testRunner: string) {
if (testRunner === 'mocha') {
return this.mochaConf;
} else if (testRunner === 'jest') {
return this.jestConf;
} else {
throw new Error(`Invalid test runner chosen: ${testRunner}`);
}
}
private getAdditionalConfigFiles(testRunner: string): File[] | undefined {
if (testRunner === 'mocha') {
return [
new File(
'webpack.config.stryker.js',
`
const glob = require('glob');
// Set env
process.env.BABEL_ENV = 'test';
process.env.NODE_ENV = 'test';
process.env.VUE_CLI_BABEL_TARGET_NODE = 'true';
process.env.VUE_CLI_TRANSPILE_BABEL_RUNTIME = 'true';
// Load webpack config
const conf = require('@vue/cli-service/webpack.config.js');
// Override the entry files
conf.entry = {
// Choose your test files here:
tests: glob.sync('{test,tests}/**/*+(spec).js').map((fileName) => \`./\${fileName}\`),
};
module.exports = conf;
`
),
];
} else {
return;
}
}
private createDependencies(testRunner: string): string[] {
const dependencies = [];
dependencies.push(...this.getTestRunnerDependency(testRunner));
return dependencies;
}
private getTestRunnerDependency(testRunner: string): string[] {
if (testRunner === 'mocha') {
return ['@stryker-mutator/mocha-runner', 'glob', 'webpack-cli'];
} else if (testRunner === 'jest') {
return ['@stryker-mutator/jest-runner'];
} else {
throw new Error(`Invalid test runner chosen: ${testRunner}`);
}
}
}