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serve-basic.test.js
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serve-basic.test.js
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'use strict';
const stripAnsi = require('strip-ansi');
const path = require('path');
const getPort = require('get-port');
const { runServe, isWebpack5, isDevServer4 } = require('../../utils/test-utils');
const testPath = path.resolve(__dirname);
const usageText = 'webpack serve|s [options]';
const descriptionText = 'Run the webpack dev server';
describe('basic serve usage', () => {
let port;
beforeEach(async () => {
port = await getPort();
});
const isWindows = process.platform === 'win32';
// TODO fix me on windows
if (isWindows) {
it('TODO: Fix on windows', () => {
expect(true).toBe(true);
});
return;
}
it('should work', async () => {
const { stderr, stdout } = await runServe(__dirname, ['']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--config" option', async () => {
const { stderr, stdout } = await runServe(__dirname, ['serve', '--config', 'webpack.config.js', '--port', port]);
expect(stderr).toBeFalsy();
expect(stdout).toContain('development');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--config" and "--env" options', async () => {
const { stderr, stdout } = await runServe(__dirname, [
'serve',
'--config',
'function-with-env.config.js',
'--env',
'foo=bar',
'--port',
port,
]);
expect(stderr).toBeFalsy();
expect(stdout).toContain('WEBPACK_SERVE: true');
expect(stdout).toContain("foo: 'bar'");
expect(stdout).toContain('development');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--config" and "--env" options and expose dev server options', async () => {
const { stderr, stdout } = await runServe(__dirname, [
'serve',
'--config',
'function-with-argv.config.js',
'--env',
'foo=bar',
'--hot',
'--port',
port,
]);
expect(stderr).toBeFalsy();
expect(stdout).toContain('hot: true');
expect(stdout).toContain('WEBPACK_SERVE: true');
expect(stdout).toContain("foo: 'bar'");
expect(stdout).toContain('development');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toHaveLength(1);
});
it('should work in multi compiler mode', async () => {
const { stderr, stdout } = await runServe(__dirname, ['serve', '--config', 'multi.config.js', '--port', port]);
expect(stderr).toBeFalsy();
expect(stdout).toContain('one');
expect(stdout).toContain('first-output/main.js');
expect(stdout).toContain('two');
expect(stdout).toContain('second-output/main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
// TODO need fix in future, edge case
it.skip('should work in multi compiler mode with multiple dev servers', async () => {
const { stderr, stdout } = await runServe(__dirname, ['serve', '--config', 'multi-dev-server.config.js']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('one');
expect(stdout).toContain('first-output/main.js');
expect(stdout).toContain('two');
expect(stdout).toContain('second-output/main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--mode" option', async () => {
const { stderr, stdout } = await runServe(__dirname, []);
expect(stderr).toBeFalsy();
expect(stdout).toContain('development');
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--stats" option', async () => {
const { stderr, stdout } = await runServe(__dirname, ['--stats']);
expect(stderr).toBeFalsy();
expect(stripAnsi(stdout)).toContain(isWebpack5 ? 'compiled successfully' : 'Version: webpack');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--stats verbose" option', async () => {
const { stderr, stdout } = await runServe(__dirname, ['--stats', 'verbose']);
expect(stderr).toBeFalsy();
expect(stdout).toContain(isWebpack5 ? 'from webpack.Compiler' : 'webpack.buildChunkGraph.visitModules');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--mode" option #2', async () => {
const { stderr, stdout } = await runServe(__dirname, ['--mode', 'production']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('production');
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--mode" option #3', async () => {
const { stderr, stdout } = await runServe(__dirname, ['--mode', 'development']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('development');
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--progress" option', async () => {
const { stderr, stdout } = await runServe(__dirname, ['--progress']);
expect(stderr).toContain('webpack.Progress');
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--progress" option using the "profile" value', async () => {
const { stderr, stdout } = await runServe(__dirname, ['--progress', 'profile']);
expect(stderr).toContain('webpack.Progress');
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should log help information and respect the "--no-color" option', async () => {
const { stdout, stderr } = await runServe(__dirname, ['--help', '--no-color']);
expect(stderr).toBeFalsy();
expect(stdout).toContain(usageText);
expect(stdout).toContain(descriptionText);
});
it('should work with the "--client-log-level" option', async () => {
const { stdout, stderr } = await runServe(testPath, ['--client-log-level', 'info']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--port" option', async () => {
const { stdout, stderr } = await runServe(testPath, ['--port', port]);
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--hot" option', async () => {
const { stderr, stdout } = await runServe(__dirname, ['--hot']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toHaveLength(1);
});
it('should work with the "--no-hot" option', async () => {
const { stdout, stderr } = await runServe(testPath, ['--port', port, '--no-hot']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--hot" option using the "only" value', async () => {
const { stdout, stderr } = await runServe(testPath, ['--port', port, isDevServer4 ? '--hot only' : '--hot-only']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toHaveLength(1);
});
it('should work with "--hot" and "--port" options', async () => {
const { stdout, stderr } = await runServe(testPath, ['--port', port, '--hot']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toHaveLength(1);
});
it('should work with the "--hot" and "--progress" options', async () => {
const { stdout, stderr } = await runServe(testPath, ['--port', port, '--hot', '--progress']);
expect(stderr).toContain('webpack.Progress');
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toHaveLength(1);
});
it('should work with the default "publicPath" option', async () => {
const { stderr, stdout } = await runServe(__dirname, ['serve']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stripAnsi(stdout)).toContain('from /');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--output-public-path" option', async () => {
const { stderr, stdout } = await runServe(__dirname, ['serve', '--output-public-path', '/my-public-path/']);
if (isWebpack5) {
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stdout).toContain('/my-public-path/');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
} else {
expect(stderr).toContain("unknown option '--output-public-path'");
expect(stdout).toBeFalsy();
}
});
it('should respect the "publicPath" option from configuration', async () => {
const { stderr, stdout } = await runServe(__dirname, ['serve', '--config', 'output-public-path.config.js']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stdout).toContain('/my-public-path/');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should respect the "publicPath" option from configuration using multi compiler mode', async () => {
const { stderr, stdout } = await runServe(__dirname, ['serve', '--config', 'multi-output-public-path.config.js', '--port', port]);
expect(stderr).toBeFalsy();
expect(stdout).toContain('one');
expect(stdout).toContain('first-output/main.js');
expect(stdout).toContain('two');
expect(stdout).toContain('second-output/main.js');
expect(stdout).toContain('/my-public-path/');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should respect the "publicPath" option from configuration (from the "devServer" options)', async () => {
const { stderr, stdout } = await runServe(__dirname, ['serve', '--config', 'dev-server-output-public-path.config.js']);
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stdout).toContain('/dev-server-my-public-path/');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should work with the "--open" option', async () => {
const { stdout, stderr } = await runServe(testPath, ['--open', '--port', port]);
expect(stderr).toBeFalsy();
expect(stdout).toContain('main.js');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should respect the "publicPath" option from configuration using multi compiler mode (from the "devServer" options)', async () => {
const { stderr, stdout } = await runServe(__dirname, [
'serve',
'--config',
'multi-dev-server-output-public-path.config.js',
'--port',
port,
]);
expect(stderr).toBeFalsy();
expect(stderr).toBeFalsy();
expect(stdout).toContain('one');
expect(stdout).toContain('first-output/main.js');
expect(stdout).toContain('two');
expect(stdout).toContain('second-output/main.js');
expect(stdout).toContain('/dev-server-my-public-path/');
expect(stdout.match(/HotModuleReplacementPlugin/g)).toBeNull();
});
it('should log and error on unknown flag', async () => {
const { exitCode, stdout, stderr } = await runServe(testPath, ['--port', port, '--unknown-flag']);
expect(exitCode).toBe(2);
expect(stderr).toContain("unknown option '--unknown-flag'");
expect(stdout).toBeFalsy();
});
});