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test.js
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test.js
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'use strict';
const debug = require('debug')('egg-bin');
const fs = require('fs');
const path = require('path');
const globby = require('globby');
const Command = require('../command');
const { getChangedTestFiles } = require('../utils');
class TestCommand extends Command {
constructor(rawArgv) {
super(rawArgv);
this.usage = 'Usage: egg-bin test [files] [options]';
this.options = {
require: {
description: 'require the given module',
alias: 'r',
type: 'array',
},
grep: {
description: 'only run tests matching <pattern>',
alias: 'g',
type: 'array',
},
timeout: {
description: 'set test-case timeout in milliseconds',
alias: 't',
type: 'number',
},
'full-trace': {
description: 'display the full stack trace',
},
changed: {
description: 'only test with changed files and match ${cwd}/test/**/*.test.(js|ts)',
alias: 'c',
},
'dry-run': {
type: 'boolean',
description: 'whether show test command, no test will be executed',
alias: 'd',
},
espower: {
type: 'boolean',
description: 'whether require intelli-espower-loader(js) or espower-typescript(ts) for power-assert',
default: true,
alias: 'e',
},
};
}
get description() {
return 'Run test with mocha';
}
async run(context) {
const opt = {
env: Object.assign({
NODE_ENV: 'test',
}, context.env),
execArgv: context.execArgv,
};
const mochaFile = require.resolve('mocha/bin/_mocha');
const testArgs = await this.formatTestArgs(context);
if (!testArgs) return;
if (context.argv['dry-run']) {
debug('test with dry-run');
console.log(mochaFile);
console.log(testArgs.join('\n'));
return;
}
debug('run test: %s %s', mochaFile, testArgs.join(' '));
await this.helper.forkNode(mochaFile, testArgs, opt);
}
/**
* format test args then change it to array style
* @param {Object} context - { cwd, argv, ...}
* @param {Object} context.argv test arguments
* @param {Object} context.debugOptions debug options
* @return {Array} [ '--require=xxx', 'xx.test.js' ]
* @protected
*/
async formatTestArgs({ argv, debugOptions }) {
const testArgv = Object.assign({}, argv);
/* istanbul ignore next */
testArgv.timeout = testArgv.timeout || process.env.TEST_TIMEOUT || 60000;
testArgv.reporter = testArgv.reporter || process.env.TEST_REPORTER;
// force exit
testArgv.exit = true;
// whether is debug mode, if pass --inspect then `debugOptions` is valid
// others like WebStorm 2019 will pass NODE_OPTIONS, and egg-bin itself will be debug, so could detect `process.env.JB_DEBUG_FILE`.
if (debugOptions || process.env.JB_DEBUG_FILE) {
// --no-timeout
testArgv.timeout = false;
}
// collect require
let requireArr = testArgv.require || testArgv.r || [];
/* istanbul ignore next */
if (!Array.isArray(requireArr)) requireArr = [ requireArr ];
// clean mocha stack, inspired by https://github.com/rstacruz/mocha-clean
// [mocha built-in](https://github.com/mochajs/mocha/blob/master/lib/utils.js#L738) don't work with `[npminstall](https://github.com/cnpm/npminstall)`, so we will override it.
if (!testArgv.fullTrace) requireArr.unshift(require.resolve('../mocha-clean'));
if (requireArr.includes('intelli-espower-loader')) {
console.warn('[egg-bin] don\'t need to manually require `intelli-espower-loader` anymore');
} else if (testArgv.espower) {
if (testArgv.typescript) {
// espower-typescript must append after ts-node
requireArr.push(require.resolve(testArgv.tscompiler), require.resolve('../espower-typescript'));
} else {
requireArr.push(require.resolve('intelli-espower-loader'));
}
}
testArgv.require = requireArr;
let pattern;
// changed
if (testArgv.changed) {
pattern = await this._getChangedTestFiles();
if (!pattern.length) {
console.log('No changed test files');
return;
}
}
if (!pattern) {
// specific test files
pattern = testArgv._.slice();
}
if (!pattern.length && process.env.TESTS) {
pattern = process.env.TESTS.split(',');
}
// collect test files
if (!pattern.length) {
pattern = [ `test/**/*.test.${testArgv.typescript ? 'ts' : 'js'}` ];
}
pattern = pattern.concat([ '!test/fixtures', '!test/node_modules' ]);
// expand glob and skip node_modules and fixtures
const files = globby.sync(pattern);
files.sort();
if (files.length === 0) {
console.log(`No test files found with ${pattern}`);
return;
}
// auto add setup file as the first test file
const setupFile = path.join(process.cwd(), `test/.setup.${testArgv.typescript ? 'ts' : 'js'}`);
if (fs.existsSync(setupFile)) {
files.unshift(setupFile);
}
testArgv._ = files;
// remove alias
testArgv.$0 = undefined;
testArgv.r = undefined;
testArgv.t = undefined;
testArgv.g = undefined;
testArgv.e = undefined;
testArgv.typescript = undefined;
testArgv['dry-run'] = undefined;
testArgv.dryRun = undefined;
return this.helper.unparseArgv(testArgv);
}
async _getChangedTestFiles() {
return await getChangedTestFiles(process.cwd());
}
}
module.exports = TestCommand;