embark/lib/tests/run_tests.js

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const async = require('async');
const Mocha = require('mocha');
const path = require('path');
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const {runCmd} = require('../utils/utils');
const fs = require('../core/fs');
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const assert = require('assert');
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const Test = require('./test');
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const EmbarkSpec = require('./reporter');
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function getFilesFromDir(filePath, cb) {
fs.readdir(filePath, (err, files) => {
if (err) {
return cb(err);
}
const testFiles = files.filter((file) => {
// Only keep the .js files
// TODO: make this a configuration in embark.json
return file.substr(-3) === '.js';
}).map((file) => {
return path.join(filePath, file);
});
cb(null, testFiles);
});
}
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module.exports = {
run: function (options) {
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let failures = 0;
let filePath = options.file;
const loglevel = options.loglevel || 'warn';
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if (!filePath) {
filePath = 'test/';
}
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async.waterfall([
function checkIfDir(next) {
if (filePath.substr(-1) === '/') {
return next(null, null);
}
fs.stat(filePath, (err, stats) => {
if (err) {
return next(`File "${filePath}" doesn't exist or you don't have permission to it`.red);
}
if (stats.isDirectory()) {
return next(null, null);
}
next(null, [filePath]);
});
},
function getFiles(files, next) {
if (files) {
return next(null, files);
}
getFilesFromDir(filePath, (err, files) => {
if (err) {
console.error('Error while reading the directory');
return next(err);
}
next(null, files);
});
},
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function setupGlobalNamespace(files, next) {
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// TODO put default config
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const test = new Test({loglevel, node: options.node});
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global.embark = test;
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global.assert = assert;
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global.config = test.config.bind(test);
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let deprecatedWarning = function () {
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console.error(__('%s are not supported anymore', 'EmbarkSpec & deployAll').red);
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console.info(__('You can learn about the new revamped tests here: %s', 'https://embark.status.im/docs/testing.html'.underline));
process.exit();
};
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global.deployAll = deprecatedWarning;
global.EmbarkSpec = {};
global.EmbarkSpec.deployAll = deprecatedWarning;
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// Override require to enable `require('Embark/contracts/contractName');`
const Module = require('module');
const originalRequire = require('module').prototype.require;
Module.prototype.require = function (requireName) {
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if (requireName.startsWith('Embark')) {
return test.require(...arguments);
}
return originalRequire.apply(this, arguments);
};
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// TODO: this global here might not be necessary at all
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global.web3 = global.embark.web3;
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global.contract = function (describeName, callback) {
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return Mocha.describe(describeName, callback);
};
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test.init((err) => {
next(err, files);
});
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},
function executeForAllFiles(files, next) {
async.eachLimit(files, 1, (file, eachCb) => {
const mocha = new Mocha();
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mocha.reporter(EmbarkSpec, {
events: global.embark.engine.events,
gasDetails: options.gasDetails,
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gasLimit: 6000000
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});
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mocha.addFile(file);
mocha.suite.timeout(0);
mocha.suite.beforeAll('Wait for deploy', (done) => {
if (global.embark.needConfig) {
global.config({});
}
global.embark.onReady((err) => {
done(err);
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});
});
mocha.run(function (fails) {
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failures += fails;
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mocha.suite.removeAllListeners();
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// Mocha prints the error already
eachCb();
});
}, next);
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},
function runCoverage(next) {
if (!options.coverage) {
return next();
}
runCmd(`${fs.embarkPath('node_modules/.bin/istanbul')} report --root .embark --format html`,
{silent: false, exitOnError: false}, (err) => {
if (err) {
return next(err);
}
console.log(`Coverage report created. You can find it here: ${fs.dappPath('coverage/index.html')}\n`);
const opn = require('opn');
opn(fs.dappPath('coverage/index.html'));
setTimeout(next, 1000); // Slight delay to enable the browser to open. opn's promise calls too fast
});
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}
], (err) => {
if (err) {
console.error(err);
process.exit(1);
}
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if (failures) {
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console.error(` > Total number of failures: ${failures}`.red.bold);
} else {
console.log(' > All tests passed'.green.bold);
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}
// Clean contracts folder for next test run
fs.remove('.embark/contracts', (_err) => {
process.exit(failures);
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});
});
}
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};