Drop test-double and its dep quibble, use simple DateTime stubbing instead

.github/workflows/ci.yml

@@ -18,6 +18,7 @@ jobs:
           path: '**/node_modules'
           key: ${{ runner.os }}-build-yarn-${{ hashFiles('**/yarn.lock') }}
 
+      - run: node -v
       - name: Install Dependencies
         run: yarn install --frozen-lockfile
 

jest.setup.js

@@ -1,6 +1,3 @@
-global.td = require('testdouble');
-require('testdouble-jest')(td, jest);
-
 process.env.GITHUB_OWNER = 'bantic';
 process.env.GITHUB_REPO = 'github-metrics-tests';
 

package.json

@@ -39,8 +39,6 @@
     "fetch-mock": "^9.11.0",
     "jest": "^26.6.3",
     "setup-polly-jest": "^0.9.1",
-    "testdouble": "^3.16.1",
-    "testdouble-jest": "^2.0.0",
     "ts-node": "^9.1.1",
     "typescript": "^4.2.3"
   },

tests/reports/pull-request.test.ts

@@ -3,17 +3,18 @@ import PullRequestReport from '../../src/reports/pull-request';
 import MERGED_PULL_REQUEST from '../fixtures/merged-pr';
 import OPEN_NO_REVIEWS from '../fixtures/open-no-reviews';
 import OPEN_WITH_REVIEWS from '../fixtures/open-with-reviews';
-import * as td from 'testdouble';
 import { DateTime } from 'luxon';
 
 describe('Pull Request Report', () => {
+  let origNow: any;
   beforeAll(() => {
-    td.replace(DateTime, 'now', () => {
-      return DateTime.fromISO('2021-03-11T17:35:54Z');
-    });
+    origNow = DateTime.now;
+    DateTime.now = () => DateTime.fromISO('2021-03-11T17:35:54Z');
   });
 
-  afterAll(() => td.reset());
+  afterAll(() => {
+    DateTime.now = origNow;
+  });
 
   test('it generates correct report for a merged PR', () => {
     const pullRequest = new PullRequest(

tests/reports/repository.test.ts

@@ -1,17 +1,18 @@
 import { PullRequest } from '../../src/github-client';
 import RepositoryReport from '../../src/reports/repository';
-import * as td from 'testdouble';
 import { DateTime } from 'luxon';
 import PRS_THIS_WEEK from '../fixtures/prs-this-week';
 
 describe('Repository Report', () => {
+  let origNow: any;
   beforeAll(() => {
-    td.replace(DateTime, 'now', () => {
-      return DateTime.fromISO('2021-03-11T17:35:54Z');
-    });
+    origNow = DateTime.now;
+    DateTime.now = () => DateTime.fromISO('2021-03-11T17:35:54Z');
   });
 
-  afterAll(() => td.reset());
+  afterAll(() => {
+    DateTime.now = origNow;
+  });
 
   test('it generates correct report given an empty list of pull requests', () => {
     const owner = 'Marvel';

tests/utils/date.test.ts

@@ -1,16 +1,19 @@
 import { Period, getInterval } from '../../src/utils/date';
-import * as td from 'testdouble';
 import { DateTime } from 'luxon';
 
 const NOW_TO_ISO = '2021-03-11T17:35:54.000Z';
 const STUBBED_NOW = DateTime.fromISO(NOW_TO_ISO).toUTC();
 
 describe('Date Utils', () => {
+  let origUtc: any;
   beforeAll(() => {
-    td.replace(DateTime, 'utc', () => STUBBED_NOW);
+    origUtc = DateTime.utc;
+    DateTime.utc = () => STUBBED_NOW;
   });
 
-  afterAll(() => td.reset());
+  afterAll(() => {
+    DateTime.utc = origUtc;
+  });
 
   test('generates correct date for day', () => {
     const interval = getInterval();

tests/utils/generate-metrics-from-config.test.ts

@@ -6,7 +6,6 @@ import {
 } from '../../src/utils/generate-metrics-from-config';
 import { METRIC_NAME_TO_CONSTRUCTOR } from '../../src/metric';
 import { DateTime } from 'luxon';
-import * as td from 'testdouble';
 
 const NOW_TO_ISO = '2021-03-11T17:35:54.000Z';
 const STUBBED_NOW = DateTime.fromISO(NOW_TO_ISO).toUTC();
@@ -114,7 +113,8 @@ describe('generateMetrics', () => {
   });
 
   test(`period can be specified in config`, () => {
-    td.replace(DateTime, 'utc', () => STUBBED_NOW);
+    let origUtc = DateTime.utc;
+    DateTime.utc = () => STUBBED_NOW;
     try {
       for (let period of ['day', 'week', 'month']) {
         let config = { period, metrics: [{ name: 'workflow/success' }] };
@@ -129,7 +129,7 @@ describe('generateMetrics', () => {
         expect(interval.end).toEqual(STUBBED_NOW);
       }
     } finally {
-      td.reset();
+      DateTime.utc = origUtc;
     }
   });
 

yarn.lock

@@ -3947,11 +3947,6 @@ is-number@^7.0.0:
   resolved "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz"
   integrity sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==
 
-is-plain-obj@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
-  integrity sha1-caUMhCnfync8kqOQpKA7OfzVHT4=
-
 is-plain-object@^2.0.3, is-plain-object@^2.0.4, is-plain-object@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-5.0.0.tgz#4427f50ab3429e9025ea7d52e9043a9ef4159344"
@@ -3962,11 +3957,6 @@ is-potential-custom-element-name@^1.0.0:
   resolved "https://registry.yarnpkg.com/is-potential-custom-element-name/-/is-potential-custom-element-name-1.0.0.tgz#0c52e54bcca391bb2c494b21e8626d7336c6e397"
   integrity sha1-DFLlS8yjkbssSUsh6GJtczbG45c=
 
-is-regexp@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/is-regexp/-/is-regexp-1.0.0.tgz#fd2d883545c46bac5a633e7b9a09e87fa2cb5069"
-  integrity sha1-/S2INUXEa6xaYz57mgnof6LLUGk=
-
 is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
@@ -4659,7 +4649,7 @@ lodash.sortby@^4.7.0:
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
   integrity sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=
 
-lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@~4.17.15:
+lodash@^4.17.13, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@~4.17.15:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
@@ -5323,14 +5313,6 @@ queue-microtask@^1.2.2:
   resolved "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.2.tgz"
   integrity sha512-dB15eXv3p2jDlbOiNLyMabYg1/sXvppd8DP2J3EOCQ0AkuSXCW2tP7mnVouVLJKgUMY6yP0kcQDVpLCN13h4Xg==
 
-quibble@^0.6.4:
-  version "0.6.5"
-  resolved "https://registry.yarnpkg.com/quibble/-/quibble-0.6.5.tgz#455f606ab3396d04f2384a2ba7f6ce564c4158ed"
-  integrity sha512-L3/bDHWjHm9zdG0Aqj7lhmp6Q5RFjXeitO9CGzWKP83d6BlGS0lLo9oswxgq62gwuIF7apT9tO0dw9kNuvb9eg==
-  dependencies:
-    lodash "^4.17.14"
-    resolve "^1.11.1"
-
 range-parser@~1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
@@ -5530,7 +5512,7 @@ resolve-url@^0.2.1:
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
   integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
 
-resolve@^1.10.0, resolve@^1.11.1, resolve@^1.14.2, resolve@^1.18.1, resolve@~1.22.1, resolve@~1.22.2:
+resolve@^1.10.0, resolve@^1.14.2, resolve@^1.18.1, resolve@~1.22.1, resolve@~1.22.2:
   version "1.22.10"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.22.10.tgz#b663e83ffb09bbf2386944736baae803029b8b39"
   integrity sha512-NPRy+/ncIMeDlTAsuqwKIiferiawhefFJtkNSW0qZJEqMEb+qBt/77B/jGeeek+F0uOeN05CDa6HXbbIgtVX4w==
@@ -5958,14 +5940,6 @@ string-width@^4.1.0, string-width@^4.2.0:
     is-fullwidth-code-point "^3.0.0"
     strip-ansi "^6.0.0"
 
-stringify-object-es5@^2.5.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/stringify-object-es5/-/stringify-object-es5-2.5.0.tgz#057c3c9a90a127339bb9d1704a290bb7bd0a1ec5"
-  integrity sha1-BXw8mpChJzObudFwSikLt70KHsU=
-  dependencies:
-    is-plain-obj "^1.0.0"
-    is-regexp "^1.0.0"
-
 strip-ansi@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.0.tgz"
@@ -6059,31 +6033,11 @@ test-exclude@^6.0.0:
     glob "^7.1.4"
     minimatch "^3.0.4"
 
-testdouble-jest@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/testdouble-jest/-/testdouble-jest-2.0.0.tgz#e5f48ae2978e386638e1eeeb6335e52093ac6071"
-  integrity sha512-+Ny3/ZtLcPBXZaVdLXYDDmZtCe5Erx/Rr8scLisFSHR763eHIEh4dGrISfENc+ezvhMLH1GvgSpZjagdv6l3yQ==
-
-testdouble@^3.16.1:
-  version "3.16.1"
-  resolved "https://registry.yarnpkg.com/testdouble/-/testdouble-3.16.1.tgz#05e3405b79e81d5e37aec7157cccd52217c97e8b"
-  integrity sha512-diaNYjFfR8bdMhtwJ9c2KxHa7M8Al7YciU+kteutWIIendmCC61ZyqQBtprsFkb6Cd/rjBr2sEoUJ8bWIVHm6w==
-  dependencies:
-    lodash "^4.17.15"
-    quibble "^0.6.4"
-    stringify-object-es5 "^2.5.0"
-    theredoc "^1.0.0"
-
 text-table@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz"
   integrity sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=
 
-theredoc@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/theredoc/-/theredoc-1.0.0.tgz#bcace376af6feb1873efbdd0f91ed026570ff062"
-  integrity sha512-KU3SA3TjRRM932jpNfD3u4Ec3bSvedyo5ITPI7zgWYnKep7BwQQaxlhI9qbO+lKJoRnoAbEVfMcAHRuKVYikDA==
-
 throat@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/throat/-/throat-5.0.0.tgz#c5199235803aad18754a667d659b5e72ce16764b"