summaryrefslogtreecommitdiffstats
path: root/browser/components/asrouter/karma.mc.config.js
blob: cfabcc4eea88ee0792dde65304d492d0ed881998 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
/* 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,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

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": {
        // so the full m-c path gets printed; needed for https://coverage.moz.tools/ integration
        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: [
            [
              new RegExp("^resource://activity-stream/"),
              path.join(__dirname, "../newtab/"),
            ],
            [
              new RegExp("^resource:///modules/asrouter/"),
              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 },
  });
};