test(rules): migrate read tests from ava to jest

@commitlint/read/package.json

@@ -11,29 +11,8 @@
     "deps": "dep-check",
     "pkg": "pkg-check --skip-import",
     "start": "concurrently \"ava -c 4 --verbose --watch\" \"yarn run watch\"",
-    "test": "ava -c 4 --verbose",
     "watch": "babel src --out-dir lib --watch --source-maps"
   },
-  "ava": {
-    "files": [
-      "src/**/*.test.js",
-      "!lib/**/*"
-    ],
-    "source": [
-      "src/**/*.js",
-      "!lib/**/*"
-    ],
-    "babel": {
-      "testOptions": {
-        "presets": [
-          "babel-preset-commitlint"
-        ]
-      }
-    },
-    "require": [
-      "@babel/register"
-    ]
-  },
   "babel": {
     "presets": [
       "babel-preset-commitlint"
@@ -67,7 +46,6 @@
     "@babel/register": "7.7.7",
     "@commitlint/test": "8.2.0",
     "@commitlint/utils": "^8.3.4",
-    "ava": "2.4.0",
     "babel-preset-commitlint": "^8.2.0",
     "concurrently": "3.6.1",
     "cross-env": "6.0.3",

@commitlint/read/src/index.test.js

@@ -1,32 +1,31 @@
 import {git} from '@commitlint/test';
-import test from 'ava';
 import execa from 'execa';
 import * as sander from '@marionebl/sander';
 
 import read from '.';
 
-test('get edit commit message specified by the `edit` flag', async t => {
+test('get edit commit message specified by the `edit` flag', async () => {
 	const cwd = await git.bootstrap();
 
 	await sander.writeFile(cwd, 'commit-msg-file', 'foo');
 
 	const expected = ['foo\n'];
 	const actual = await read({edit: 'commit-msg-file', cwd});
-	t.deepEqual(actual, expected);
+	expect(actual).toEqual(expected);
 });
 
-test('get edit commit message from git root', async t => {
+test('get edit commit message from git root', async () => {
 	const cwd = await git.bootstrap();
 
 	await sander.writeFile(cwd, 'alpha.txt', 'alpha');
 	await execa('git', ['add', '.'], {cwd});
 	await execa('git', ['commit', '-m', 'alpha'], {cwd});
 	const expected = ['alpha\n\n'];
 	const actual = await read({edit: true, cwd});
-	t.deepEqual(actual, expected);
+	expect(actual).toEqual(expected);
 });
 
-test('get history commit messages', async t => {
+test('get history commit messages', async () => {
 	const cwd = await git.bootstrap();
 	await sander.writeFile(cwd, 'alpha.txt', 'alpha');
 	await execa('git', ['add', 'alpha.txt'], {cwd});
@@ -36,10 +35,10 @@ test('get history commit messages', async t => {
 
 	const expected = ['remove alpha\n\n', 'alpha\n\n'];
 	const actual = await read({cwd});
-	t.deepEqual(actual, expected);
+	expect(actual).toEqual(expected);
 });
 
-test('get edit commit message from git subdirectory', async t => {
+test('get edit commit message from git subdirectory', async () => {
 	const cwd = await git.bootstrap();
 	await sander.mkdir(cwd, 'beta');
 	await sander.writeFile(cwd, 'beta/beta.txt', 'beta');
@@ -49,5 +48,5 @@ test('get edit commit message from git subdirectory', async t => {
 
 	const expected = ['beta\n\n'];
 	const actual = await read({edit: true, cwd});
-	t.deepEqual(actual, expected);
+	expect(actual).toEqual(expected);
 });

jest.config.js

@@ -2,5 +2,9 @@ module.exports = {
 	preset: 'ts-jest/presets/js-with-babel',
 	testEnvironment: 'node',
 	testRegex: undefined,
-	testMatch: ['**/*.test.ts?(x)', '**/@commitlint/rules/src/*.test.js?(x)']
+	testMatch: [
+		'**/*.test.ts?(x)',
+		'**/@commitlint/rules/src/*.test.js?(x)',
+		'**/@commitlint/read/src/*.test.js?(x)'
+	]
 };