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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
const path = require("path");
const webpack = require("webpack");
const { ResourceUriPlugin } = require("../newtab/tools/resourceUriPlugin");
const PATHS = {
// Where is the entry point for the unit tests?
testEntryFile: path.resolve(__dirname, "./tests/unit/unit-entry.js"),
// A glob-style pattern matching all unit tests
testFilesPattern: "./tests/unit/unit-entry.js",
// The base directory of all source files (used for path resolution in webpack importing)
moduleResolveDirectory: __dirname,
newtabResolveDirectory: "../newtab",
// a RegEx matching all Cu.import statements of local files
resourcePathRegEx: /^resource:\/\/activity-stream\//,
coverageReportingPath: "logs/coverage/",
};
// When tweaking here, be sure to review the docs about the execution ordering
// semantics of the preprocessors array, as they are somewhat odd.
const preprocessors = {};
preprocessors[PATHS.testFilesPattern] = [
"webpack", // require("karma-webpack")
"sourcemap", // require("karma-sourcemap-loader")
];
module.exports = function (config) {
const isTDD = config.tdd;
const browsers = isTDD ? ["Firefox"] : ["FirefoxHeadless"]; // require("karma-firefox-launcher")
config.set({
singleRun: !isTDD,
browsers,
customLaunchers: {
FirefoxHeadless: {
base: "Firefox",
flags: ["--headless"],
},
},
frameworks: [
"chai", // require("chai") require("karma-chai")
"mocha", // require("mocha") require("karma-mocha")
"sinon", // require("sinon") require("karma-sinon")
],
reporters: [
"coverage-istanbul", // require("karma-coverage")
"mocha", // require("karma-mocha-reporter")
// for bin/try-runner.js to parse the output easily
"json", // require("karma-json-reporter")
],
jsonReporter: {
// So this doesn't get interleaved with other karma output
stdout: false,
outputFile: path.join("logs", "karma-run-results.json"),
},
coverageIstanbulReporter: {
reports: ["lcov", "text-summary"], // for some reason "lcov" reallys means "lcov" and "html"
"report-config": {
lcov: {
projectRoot: "../../..",
},
},
dir: PATHS.coverageReportingPath,
// This will make karma fail if coverage reporting is less than the minimums here
thresholds: !isTDD && {
each: {
statements: 80,
lines: 80,
functions: 80,
branches: 80,
overrides: {
"content-src/components/ASRouterAdmin/SimpleHashRouter.jsx": {
statements: 0,
functions: 0,
lines: 0,
},
"content-src/components/ASRouterAdmin/CopyButton.jsx": {
statements: 7.14,
lines: 7.69,
branches: 0,
functions: 0,
},
"content-src/components/ASRouterAdmin/ImpressionsSection.jsx": {
statements: 7.14,
lines: 7.5,
branches: 0,
functions: 0,
},
"content-src/components/ASRouterAdmin/ASRouterAdmin.jsx": {
statements: 39.19,
lines: 39.19,
branches: 47.15,
functions: 32.08,
},
},
},
},
},
files: [PATHS.testEntryFile],
preprocessors,
webpack: {
mode: "none",
devtool: "inline-source-map",
// This resolve config allows us to import with paths relative to the root directory
resolve: {
extensions: [".mjs", ".js", ".jsx"],
modules: [
PATHS.moduleResolveDirectory,
"node_modules",
PATHS.newtabResolveDirectory,
],
alias: {
newtab: path.join(__dirname, "../newtab"),
},
},
plugins: [
// The ResourceUriPlugin handles translating resource URIs in import
// statements in .mjs files to paths on the filesystem.
new ResourceUriPlugin({
resourcePathRegExes: [
[
path.join(__dirname, "../newtab/"),
],
[
path.join(__dirname, "./modules/"),
],
],
}),
new webpack.DefinePlugin({
"process.env.NODE_ENV": JSON.stringify("development"),
}),
],
externals: {
// enzyme needs these for backwards compatibility with 0.13.
// see https://github.com/airbnb/enzyme/blob/master/docs/guides/webpack.md#using-enzyme-with-webpack
"react/addons": true,
"react/lib/ReactContext": true,
"react/lib/ExecutionEnvironment": true,
},
module: {
rules: [
{
test: /\.js$/,
exclude: [/node_modules\/(?!@fluent\/).*/, /tests/],
loader: "babel-loader",
},
{
test: /\.jsx$/,
exclude: /node_modules/,
loader: "babel-loader",
options: {
presets: ["@babel/preset-react"],
},
},
{
test: /\.md$/,
use: "raw-loader",
},
{
enforce: "post",
test: /\.js[x]?$/,
loader: "@jsdevtools/coverage-istanbul-loader",
options: { esModules: true },
include: [path.resolve("content-src"), path.resolve("modules")],
exclude: [
path.resolve("tests"),
path.resolve("../newtab"),
path.resolve("modules/ASRouterTargeting.sys.mjs"),
path.resolve("modules/ASRouterTriggerListeners.sys.mjs"),
path.resolve("modules/CFRMessageProvider.sys.mjs"),
path.resolve("modules/CFRPageActions.sys.mjs"),
path.resolve("modules/OnboardingMessageProvider.sys.mjs"),
],
},
],
},
},
// Silences some overly-verbose logging of individual module builds
webpackMiddleware: { noInfo: true },
});
};