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HotTestCases.test.js
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HotTestCases.test.js
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"use strict";
/* globals expect fit */
const path = require("path");
const fs = require("fs");
const vm = require("vm");
const checkArrayExpectation = require("./checkArrayExpectation");
const createLazyTestEnv = require("./helpers/createLazyTestEnv");
const webpack = require("../lib/webpack");
describe("HotTestCases", () => {
const casesPath = path.join(__dirname, "hotCases");
let categories = fs
.readdirSync(casesPath)
.filter(dir => fs.statSync(path.join(casesPath, dir)).isDirectory());
categories = categories.map(cat => {
return {
name: cat,
tests: fs
.readdirSync(path.join(casesPath, cat))
.filter(folder => folder.indexOf("_") < 0)
};
});
categories.forEach(category => {
describe(category.name, () => {
category.tests.forEach(testName => {
describe(testName, () => {
it(
testName + " should compile",
done => {
const testDirectory = path.join(
casesPath,
category.name,
testName
);
const outputDirectory = path.join(
__dirname,
"js",
"hot-cases",
category.name,
testName
);
const recordsPath = path.join(outputDirectory, "records.json");
if (fs.existsSync(recordsPath)) fs.unlinkSync(recordsPath);
const fakeUpdateLoaderOptions = {
updateIndex: 0
};
const configPath = path.join(testDirectory, "webpack.config.js");
let options = {};
if (fs.existsSync(configPath)) options = require(configPath);
if (!options.mode) options.mode = "development";
if (!options.devtool) options.devtool = false;
if (!options.context) options.context = testDirectory;
if (!options.entry) options.entry = "./index.js";
if (!options.output) options.output = {};
if (!options.output.path) options.output.path = outputDirectory;
if (!options.output.filename)
options.output.filename = "bundle.js";
if (options.output.pathinfo === undefined)
options.output.pathinfo = true;
if (!options.module) options.module = {};
if (!options.module.rules) options.module.rules = [];
options.module.rules.push({
loader: path.join(
__dirname,
"hotCases",
"fake-update-loader.js"
),
enforce: "pre"
});
if (!options.target) options.target = "async-node";
if (!options.plugins) options.plugins = [];
options.plugins.push(
new webpack.HotModuleReplacementPlugin(),
new webpack.NamedModulesPlugin(),
new webpack.LoaderOptionsPlugin(fakeUpdateLoaderOptions)
);
if (!options.recordsPath) options.recordsPath = recordsPath;
const compiler = webpack(options);
compiler.run((err, stats) => {
if (err) return done(err);
const jsonStats = stats.toJson({
errorDetails: true
});
if (
checkArrayExpectation(
testDirectory,
jsonStats,
"error",
"Error",
done
)
) {
return;
}
if (
checkArrayExpectation(
testDirectory,
jsonStats,
"warning",
"Warning",
done
)
) {
return;
}
function _next(callback) {
fakeUpdateLoaderOptions.updateIndex++;
compiler.run((err, stats) => {
if (err) return done(err);
const jsonStats = stats.toJson({
errorDetails: true
});
if (
checkArrayExpectation(
testDirectory,
jsonStats,
"error",
"errors" + fakeUpdateLoaderOptions.updateIndex,
"Error",
done
)
) {
return;
}
if (
checkArrayExpectation(
testDirectory,
jsonStats,
"warning",
"warnings" + fakeUpdateLoaderOptions.updateIndex,
"Warning",
done
)
) {
return;
}
if (callback) callback(jsonStats);
});
}
function _require(module) {
if (module.substr(0, 2) === "./") {
const p = path.join(outputDirectory, module);
const fn = vm.runInThisContext(
"(function(require, module, exports, __dirname, __filename, it, expect, NEXT, STATS) {" +
"global.expect = expect;" +
'function nsObj(m) { Object.defineProperty(m, Symbol.toStringTag, { value: "Module" }); return m; }' +
fs.readFileSync(p, "utf-8") +
"\n})",
p
);
const m = {
exports: {}
};
fn.call(
m.exports,
_require,
m,
m.exports,
outputDirectory,
p,
_it,
expect,
_next,
jsonStats
);
return m.exports;
} else return require(module);
}
_require("./bundle.js");
if (getNumberOfTests() < 1)
return done(new Error("No tests exported by test case"));
done();
});
},
10000
);
const { it: _it, getNumberOfTests } = createLazyTestEnv(
jasmine.getEnv(),
10000
);
});
});
});
});
});