[Tests] switch from jest to tape

This allows us to:
 - drop all the jest mocks
 - no longer be stuck on an EOL version nor be forced to raise the engines.node threshold
 - run tests 4x faster: jest takes 27.365s, tape takes 7.086s

Author: ljharb

.github/workflows/node-4+.yml

@@ -128,7 +128,7 @@ jobs:
           skip-ls-check: true
       - run: rm __tests__/src/util/getComputedRole-test.js
         if: ${{ matrix.node-version < 7 }}
-      - run: npm run test:ci
+      - run: npm run tests-only
       - uses: codecov/[email protected]
 
   node:

__tests__/__util__/nodeReexports/assert.js

@@ -2,36 +2,39 @@
 
 import fs from 'fs';
 import path from 'path';
-import expect from 'expect';
+import test from 'tape';
+
 import plugin from '../src';
 
 const rules = fs.readdirSync(path.resolve(__dirname, '../src/rules/'))
   .map((f) => path.basename(f, '.js'));
 
-describe('all rule files should be exported by the plugin', () => {
+test('all rule files should be exported by the plugin', (t) => {
   rules.forEach((ruleName) => {
-    it(`should export ${ruleName}`, () => {
-      expect(plugin.rules[ruleName]).toEqual(
-        require(path.join('../src/rules', ruleName)) // eslint-disable-line
-      );
-    });
+    t.equal(
+      plugin.rules[ruleName],
+      require(path.join('../src/rules', ruleName)), // eslint-disable-line import/no-dynamic-require
+      `exports ${ruleName}`,
+    );
   });
+
+  t.end();
 });
 
-describe('configurations', () => {
-  it('should export a \'recommended\' configuration', () => {
-    expect(plugin.configs.recommended).toBeDefined();
-  });
+test('configurations', (t) => {
+  t.notEqual(plugin.configs.recommended, undefined, 'exports a \'recommended\' configuration');
+
+  t.end();
 });
 
-describe('schemas', () => {
+test('schemas', (t) => {
   rules.forEach((ruleName) => {
-    it(`${ruleName} should export a schema with type object`, () => {
-      const rule = require(path.join('../src/rules', ruleName)); // eslint-disable-line
-      const schema = rule.meta && rule.meta.schema && rule.meta.schema[0];
-      const { type } = schema;
+    const rule = require(path.join('../src/rules', ruleName)); // eslint-disable-line import/no-dynamic-require
+    const schema = rule.meta && rule.meta.schema && rule.meta.schema[0];
+    const { type } = schema;
 
-      expect(type).toEqual('object');
-    });
+    t.equal(type, 'object', `${ruleName} exports a schema with type object`);
   });
+
+  t.end();
 });

__tests__/__util__/nodeReexports/fs-promises.js

@@ -1,4 +1,3 @@
-/* eslint-env jest */
 /**
  * @fileoverview Enforce `<a>` text to not exactly match "click here", "here", "link", or "a link".
  * @author Matt Wang

__tests__/__util__/nodeReexports/fs.js

@@ -9,7 +9,8 @@
 
 import { aria } from 'aria-query';
 import { RuleTester } from 'eslint';
-import expect from 'expect';
+import test from 'tape';
+
 import parserOptionsMapper from '../../__util__/parserOptionsMapper';
 import parsers from '../../__util__/helpers/parsers';
 import rule from '../../../src/rules/aria-proptypes';
@@ -51,13 +52,14 @@ tokens from the following: ${permittedValues}.`,
   }
 };
 
-describe('validityCheck', () => {
-  it('should false for an unknown expected type', () => {
-    expect(validityCheck(
-      null,
-      null,
-    )).toBe(false);
-  });
+test('validityCheck', (t) => {
+  t.equal(
+    validityCheck(null, null),
+    false,
+    'is false for an unknown expected type',
+  );
+
+  t.end();
 });
 
 ruleTester.run('aria-proptypes', rule, {