Merge pull request streamich#145 from theashraf/test/integration-test

test: 💍 add integration test

.gitignore

@@ -10,3 +10,4 @@ yarn-error.log
 dist/
 package-lock.json
 /binaries/
+coverage/

.prettierrc

@@ -0,0 +1,5 @@
+{
+    "singleQuote": true,
+    "arrowParens": "always",
+    "bracketSpacing": false
+}

package.json

@@ -21,7 +21,9 @@
     "build:cz": "browserify --node -o dist/cz.js --standalone prompter lib/cz.js",
     "build:readme": "mmarkdown",
     "build:binaries": "mkdirp binaries && pkg lib/cli.js --out-path binaries",
-    "test": "mocha",
+    "test": "jest --maxWorkers 2",
+    "test:dev": "jest --watch",
+    "test:coverage":"jest --coverage",
     "release": "semantic-release",
     "eslint": "eslint lib/*.js"
   },
@@ -40,12 +42,14 @@
     "husky": "4.2.5",
     "inquirer": "6.5.2",
     "inquirer-list-search-prompt": "1.0.2",
+    "jest": "^25.1.0",
     "minimist": "1.2.5",
     "mocha": "6.2.3",
     "pkg": "4.4.8",
     "rimraf": "3.0.2",
     "semantic-release": "16.0.4",
     "signale": "1.4.0",
+    "spawncommand": "^2.2.0",
     "word-wrap": "1.2.3"
   },
   "husky": {

test/.eslintrc.json

@@ -1,3 +1,3 @@
 {
-    "extends": "mailonline/mocha"
-  }
+  "extends": "mailonline/jest"
+}

test/__snapshots__/cli.test.js.snap

@@ -0,0 +1,32 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`git-cz --help 1`] = `
+"
+    Semantic emojified git commit, git-cz
+
+    Usage: git-cz [options]
+
+    options:
+        -h, --help          show usage information
+        -v, --version       print version info and exit
+        --disable-emoji     don't add emoji to commit title
+        --non-interactive   run git-cz in non-interactive mode
+
+    non-interactive mode options:
+        --type              type of the commit, defaults to \\"chore\\"
+        --subject           message of the commit, defaults to \\"automated commit\\"
+        --scope             semantic commit scope
+        --body              extended description of the commit
+        --breaking          description of breaking changes, if any
+        --issues            GitHub issues this commit closed, e.g \\"#123\\"
+        --lerna             Lerna mono-repo packages this commit affects
+
+"
+`;
+
+exports[`git-cz --non-interactive 1`] = `
+"Running in dry mode.
+Will execute command:
+git commit --message 'chore: 🤖 automated commit'
+"
+`;

test/cli.test.js

@@ -0,0 +1,26 @@
+const pkg = require('../package.json');
+const {runCLI} = require('./testUtils');
+
+test('git-cz --help', async () => {
+  const {getResult} = runCLI(['--help']);
+
+  const result = await getResult();
+
+  expect(result).toMatchSnapshot();
+});
+
+test('git-cz --version', async () => {
+  const {getResult} = runCLI(['--version']);
+
+  const result = await getResult();
+
+  expect(result.trim()).toBe(pkg.version);
+});
+
+test('git-cz --non-interactive', async () => {
+  const {getResult} = runCLI(['--non-interactive', '--dry-run']);
+
+  const result = await getResult();
+
+  expect(result).toMatchSnapshot();
+});

test/cz.test.js

@@ -1,4 +1,4 @@
-const cz = require('../dist/cz');
+const cz = require('../lib/cz');
 
 describe('commitizen', () => {
   it('exports prompter function', () => {

test/testUtils.js

@@ -0,0 +1,39 @@
+const path = require('path');
+const spawn = require('spawncommand');
+
+exports.keys = {
+  down: '\u001B\u005B\u0042',
+  enter: '\r',
+  up: '\u001B\u005B\u0041'
+};
+
+exports.runCLI = (args = []) => {
+  const CLI_PATH = path.join(__dirname, '/../lib/cli');
+
+  const {promise, stdin} = spawn('node', [
+    CLI_PATH,
+    ...args
+  ]);
+
+  const getResult = async () => {
+    const {stdout} = await promise;
+
+    return stdout;
+  };
+
+  const delay = () => new Promise((resolve) => setTimeout(resolve, 500));
+
+  const write = async (inputs = []) => {
+    for (const input of inputs) {
+      stdin.write(input);
+      await delay();
+    }
+
+    stdin.end();
+  };
+
+  return {
+    getResult,
+    write
+  };
+};