test: migrate from mocha to jest

.eslintrc.json

@@ -1,8 +1,6 @@
 {
   "env": {
-    "browser": true,
-    "commonjs": true,
-    "mocha": true,
+    "jest": true,
     "node": true
   },
   "extends": "eslint:recommended",

.github/workflows/build.yml

@@ -24,13 +24,13 @@ jobs:
         run: npm run lint:dts
 
       - name: Run unit tests
-        run: npm run test:coverage
-
-      - name: Run ES modules tests
-        run: npm run test:module
-
-      - name: Build bundle
-        run: npm run build
+        run: npm run test:ci
 
       - name: Codecov
         uses: codecov/codecov-action@v3
+
+      - name: Run module tests
+        run: npm run test:esm
+
+      - name: Build package
+        run: npm run build

.husky/pre-commit

@@ -1,5 +1,5 @@
 #!/bin/sh
 . "$(dirname "$0")/_/husky.sh"
 
-npm run test:coverage
+npm run test:ci
 npx lint-staged

test/data.js → __tests__/fixtures/index.js

@@ -60,10 +60,10 @@ const cases = [
   ['content: "Lorem ipsum";', { content: '"Lorem ipsum"' }],
   ['content: "foo: bar;";', { content: '"foo: bar;"' }],
   [
-    ('background-image: url("http://cdn.example.com/image.png?v=42");',
+    'background-image: url("http://cdn.example.com/image.png?v=42");',
     {
       'background-image': 'url("http://cdn.example.com/image.png?v=42")'
-    })
+    }
   ],
   [
     'background: #123456 url("https://foo.bar/image.png?v=2")',
@@ -74,13 +74,13 @@ const cases = [
 
   // property prefix
   [
-    ('-webkit-hyphens: auto; -moz-hyphens: auto; -ms-hyphens: auto; hyphens: auto;',
+    '-webkit-hyphens: auto; -moz-hyphens: auto; -ms-hyphens: auto; hyphens: auto;',
     {
       '-webkit-hyphens': 'auto',
       '-moz-hyphens': 'auto',
       '-ms-hyphens': 'auto',
       hyphens: 'auto'
-    })
+    }
   ],
 
   // value prefix

__tests__/index.test.js

@@ -0,0 +1,54 @@
+const inlineStyleParser = require('inline-style-parser');
+const { cases, errors, invalids } = require('./fixtures');
+const parse = require('..');
+
+describe('valid cases', () => {
+  describe.each(cases)('when style=%p', (style, expected) => {
+    it(`returns \`${JSON.stringify(expected)}\``, () => {
+      expect(parse(style)).toEqual(expected);
+    });
+  });
+});
+
+describe('error cases', () => {
+  describe.each(errors)('when style=%p', (style) => {
+    it('throws error', () => {
+      expect(() => {
+        parse(style);
+      }).toThrow(Error);
+    });
+  });
+});
+
+describe('invalid cases', () => {
+  describe.each(invalids)('when style=%p', (style) => {
+    it('returns null', () => {
+      expect(parse(style)).toBe(null);
+    });
+  });
+});
+
+describe('iterator', () => {
+  it('returns null', () => {
+    expect(parse('color: #foo;', () => {})).toBe(null);
+  });
+
+  it('invokes callback with arguments=[name, value, declaration]', () => {
+    const style = 'color: #f00;';
+    parse(style, (name, value, declaration) => {
+      expect(name).toBe('color');
+      expect(value).toBe('#f00');
+      expect(declaration).toEqual(inlineStyleParser(style)[0]);
+    });
+  });
+
+  it('parses comment', () => {
+    const style = '/* color: #f00; */';
+    parse(style, (name, value, comment) => {
+      expect(name).toBe(undefined);
+      expect(value).toBe(undefined);
+      expect(comment.comment).toBe(' color: #f00; ');
+      expect(comment).toEqual(inlineStyleParser(style)[0]);
+    });
+  });
+});

jest.config.js

@@ -0,0 +1,16 @@
+/** @type {import('jest').Config} */
+const config = {
+  collectCoverage: true,
+  coverageThreshold: {
+    global: {
+      branches: 100,
+      functions: 100,
+      lines: 100,
+      statements: 100
+    }
+  },
+  modulePathIgnorePatterns: ['fixtures', 'types'],
+  testEnvironment: 'node'
+};
+
+module.exports = config;