build-scripts/lib/commands/test.js

scripts core

"use strict";
const jest_1 = require("jest");
const chalk_1 = require("chalk");
const Context_1 = require("../core/Context");
const fs = require("fs-extra");
const path = require("path");
const log = require("../utils/log");
module.exports = async function ({ args, rootDir, plugins, getBuiltInPlugins, }) {
    const command = 'test';
    const context = new Context_1.default({
        args,
        command,
        rootDir,
        plugins,
        getBuiltInPlugins,
    });
    const { jestArgv = {} } = args || {};
    const { config, regexForTestFiles, ...restArgv } = jestArgv;
    const { applyHook, rootDir: ctxRoot } = context;
    await applyHook(`before.${command}.load`, { args });
    let configArr = [];
    try {
        configArr = await context.setUp();
    }
    catch (err) {
        log.error('CONFIG', chalk_1.default.red('Failed to get config.'));
        await applyHook(`error`, { err });
        throw err;
    }
    // get user jest config
    const jestConfigPath = path.join(ctxRoot, config || 'jest.config.js');
    let userJestConfig = { moduleNameMapper: {} };
    if (fs.existsSync(jestConfigPath)) {
        userJestConfig = require(jestConfigPath); // eslint-disable-line
    }
    // get webpack.resolve.alias
    const alias = configArr.reduce((acc, { chainConfig }) => {
        const webpackConfig = chainConfig.toConfig();
        if (webpackConfig.resolve && webpackConfig.resolve.alias) {
            return {
                ...acc,
                ...webpackConfig.resolve.alias,
            };
        }
        else {
            return acc;
        }
    }, {});
    const aliasModuleNameMapper = {};
    Object.keys(alias || {}).forEach((key) => {
        const aliasPath = alias[key];
        // check path if it is a directory
        if (fs.existsSync(aliasPath) && fs.statSync(aliasPath).isDirectory()) {
            aliasModuleNameMapper[`^${key}/(.*)$`] = `${aliasPath}/$1`;
        }
        aliasModuleNameMapper[`^${key}$`] = aliasPath;
    });
    // generate default jest config
    const jestConfig = context.runJestConfig({
        rootDir: ctxRoot,
        ...userJestConfig,
        moduleNameMapper: {
            ...userJestConfig.moduleNameMapper,
            ...aliasModuleNameMapper,
        },
        ...(regexForTestFiles ? { testMatch: regexForTestFiles } : {}),
    });
    // disallow users to modify jest config
    Object.freeze(jestConfig);
    await applyHook(`before.${command}.run`, { args, config: jestConfig });
    const result = await new Promise((resolve, reject) => {
        jest_1.default.runCLI({
            ...restArgv,
            config: JSON.stringify(jestConfig),
        }, [ctxRoot]).then((data) => {
            const { results } = data;
            if (results.success) {
                resolve(data);
            }
            else {
                reject(new Error('Jest failed'));
            }
        }).catch((err) => {
            log.error('JEST', (err.stack || err.toString()));
        });
    });
    await applyHook(`after.${command}`, { result });
    return result;
};