From 005dad3194ef648a60ce677d428b3b313ee1b38b Mon Sep 17 00:00:00 2001
From: Yannick Croissant <yannick.croissant@gmail.com>
Date: Wed, 1 May 2019 22:27:55 +0200
Subject: [PATCH] Revert "Replace mocha by jest"

This reverts commit 6e4f43ef4739191a2157659de178d1cd9a28a42e.
---
 jest.config.js        | 12 ------------
 package.json          |  7 ++++---
 tests/index.js        |  2 +-
 tests/util/.eslintrc  |  2 +-
 tests/util/version.js |  8 ++++----
 5 files changed, 10 insertions(+), 21 deletions(-)
 delete mode 100644 jest.config.js

diff --git a/jest.config.js b/jest.config.js
deleted file mode 100644
index 453806d390..0000000000
--- a/jest.config.js
+++ /dev/null
@@ -1,12 +0,0 @@
-'use strict';
-
-module.exports = {
-  clearMocks: true,
-  coverageDirectory: 'reports/coverage',
-  testEnvironment: 'node',
-  testMatch: [
-    '**/tests/lib/**/*.[jt]s?(x)',
-    '**/tests/util/**/*.[jt]s?(x)',
-    '**/tests/index.[jt]s?(x)'
-  ]
-};
diff --git a/package.json b/package.json
index 1f205a96d7..e31d5e6de2 100644
--- a/package.json
+++ b/package.json
@@ -9,8 +9,7 @@
     "lint": "eslint ./",
     "pretest": "npm run lint",
     "test": "npm run unit-test",
-    "test:watch": "jest --watch",
-    "unit-test": "jest --coverage"
+    "unit-test": "istanbul cover --dir reports/coverage node_modules/mocha/bin/_mocha tests/lib/**/*.js tests/util/**/*.js tests/index.js"
   },
   "files": [
     "LICENSE",
@@ -38,7 +37,9 @@
     "babel-eslint": "^10.0.1",
     "coveralls": "^3.0.2",
     "eslint": "^3.0.0 || ^4.0.0 || ^5.0.0",
-    "jest": "^24.7.1",
+    "istanbul": "^0.4.5",
+    "mocha": "^6.1.4",
+    "sinon": "^7.2.2",
     "typescript": "^3.2.2"
   },
   "peerDependencies": {
diff --git a/tests/index.js b/tests/index.js
index 914ca65882..69c8051fae 100644
--- a/tests/index.js
+++ b/tests/index.js
@@ -1,4 +1,4 @@
-/* eslint-env jest */
+/* eslint-env mocha */
 'use strict';
 
 const plugin = require('..');
diff --git a/tests/util/.eslintrc b/tests/util/.eslintrc
index e6c347adc3..078e30c590 100644
--- a/tests/util/.eslintrc
+++ b/tests/util/.eslintrc
@@ -1,5 +1,5 @@
 {
   "env": {
-     "jest": true
+     "mocha": true
   }
 }
diff --git a/tests/util/version.js b/tests/util/version.js
index cb56e9463b..cf0eaf034c 100644
--- a/tests/util/version.js
+++ b/tests/util/version.js
@@ -2,26 +2,26 @@
 
 const path = require('path');
 const assert = require('assert');
+const sinon = require('sinon');
 const versionUtil = require('../../lib/util/version');
 
 describe('Version', () => {
   const base = path.resolve(__dirname, '..', 'fixtures', 'version');
   let cwd;
   let expectedErrorArgs = [];
-  let spy;
 
   beforeEach(() => {
     cwd = process.cwd();
     process.chdir(base);
-    spy = jest.spyOn(console, 'error').mockImplementation(() => {});
+    sinon.stub(console, 'error');
     expectedErrorArgs = [];
   });
 
   afterEach(() => {
     process.chdir(cwd);
 
-    const actualArgs = console.error.mock.calls; // eslint-disable-line no-console
-    spy.mockRestore();
+    const actualArgs = console.error.args; // eslint-disable-line no-console
+    console.error.restore(); // eslint-disable-line no-console
     assert.deepEqual(actualArgs, expectedErrorArgs);
   });