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148 lines (121 loc) · 4.9 KB
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'use strict';
const _ = require('lodash');
const {Command} = require('commander');
const Events = require('../constants/events');
const Gemini = require('../gemini');
const pkg = require('../../package.json');
const {checkForDeprecations} = require('./deprecations');
const {handleErrors, handleUncaughtExceptions} = require('./errors');
let exitCode;
exports.run = () => {
const program = new Command();
program
.version(pkg.version)
.allowUnknownOption()
.option('-c, --config <file>', 'config file');
const configPath = preparseOption(program, 'config');
const gemini = mkGemini(configPath);
program
.option('-b, --browser <browser>', 'run test only in specified browser', collect)
.option('--grep <pattern>', 'run only suites matching the pattern', RegExp);
program.command('update [paths...]')
.allowUnknownOption()
.option('--diff', 'update only screenshots with diff')
.option('--new', 'save only new screenshots')
.description('update the changed screenshots or gather if they doesn\'t exist')
.action((paths, options) => mkRunFn(gemini, 'update', program)(paths, options).done());
program.command('test [paths...]')
.allowUnknownOption()
.option('-r, --reporter <reporter>', 'test result reporter (flat by default)', collect)
.option('-s, --set <set>', 'set to run', collect)
.description('run tests')
.on('--help', () => {
console.log(' Reporters:');
console.log(' flat console reporter');
console.log(' vflat verbose console reporter');
console.log('');
})
.action((paths, options) => mkRunFn(gemini, 'test', program)(paths, options).done());
program.command('list <key>')
.description(`Use 'list browsers' or 'list sets' to get all available browsers or sets.`)
.action((key) => logOptionFromConfig(key, gemini));
program.on('--help', () => {
console.log('');
console.log(' Overriding config:');
console.log('');
console.log(' To override any config option use full option path converted to --kebab-case.');
console.log('');
console.log(' Examples:');
console.log(' gemini test --system-debug true');
console.log(' gemini update --root-url http://example.com');
console.log(' gemini test --browsers-ie-8-window-size 1024x768');
console.log('');
console.log(' You can also use environment variables converted to snake_case with');
console.log(' gemini_ prefix.');
console.log('');
console.log(' Examples:');
console.log(' gemini_system_debug=true gemini test');
console.log(' gemini_root_url=http://example.com gemini update');
console.log(' gemini_browsers_ie8_window_size=1024x768 gemini test');
console.log('');
console.log(' If both cli flag and env var are used, cli flag takes precedence.') ;
console.log(' For more information see https://gemini-testing.github.io/doc/config.html') ;
console.log('');
});
gemini.extendCli(program);
program.parse(process.argv);
};
function preparseOption(program, option) {
// do not display any help, do not exit
const configFileParser = Object.create(program);
configFileParser.options = [].concat(program.options);
configFileParser.option('-h, --help');
configFileParser.parse(process.argv);
return configFileParser[option];
}
function mkGemini(configPath) {
checkForDeprecations();
const gemini = new Gemini(configPath, {cli: true, env: true});
gemini.on(Events.INTERRUPT, (data) => exitCode = data.exitCode);
return gemini;
}
function mkRunFn(gemini, method, globalOpts) {
return (paths, opts = {}) => {
handleUncaughtExceptions();
return gemini[method](paths, {
sets: opts.set,
reporters: parseReporterOptions(opts),
grep: globalOpts.grep,
browsers: globalOpts.browser,
diff: opts.diff,
new: opts.new
})
.then((stats) => stats.failed > 0 ? 2 : 0)
.catch(handleErrors)
.then(exit);
};
}
function logOptionFromConfig(key, {config}) {
const data = {
sets: _.keys(config.sets).join(', '),
browsers: config.getBrowserIds().join(', ')
};
console.log(data[key] || `Cannot list option ${key}. Available options are: sets, browsers`);
}
function collect(newValue, array = []) {
return array.concat(newValue);
}
function parseReporterOptions(options) {
if (!options.reporter) {
return [{name: 'flat'}];
}
return options.reporter.map(function(name) {
return {
name,
path: options[`${name}ReporterPath`]
};
});
}
function exit(code) {
process.on('exit', () => process.exit(exitCode || code));
}