build: Check test files

.github/scripts/check-tests.mjs

@@ -0,0 +1,70 @@
+import fs from 'fs';
+import path from 'path';
+import util from 'util';
+import { exec } from 'child_process';
+import { glob } from "glob";
+import parser from '@babel/parser';
+import traverse from '@babel/traverse';
+
+const readFileAsync = util.promisify(fs.readFile);
+const execAsync = util.promisify(exec);
+
+const filterAsync = async (asyncPredicate, arr) => {
+	const filterResults = await Promise.all(arr.map(async item => ({
+		item,
+		shouldKeep: await asyncPredicate(item)
+	})));
+
+	return filterResults.filter(({shouldKeep}) => shouldKeep).map(({item}) => item);
+}
+
+// Function to check if a file has a function declaration, function expression, object method or class
+const hasFunctionOrClass = async filePath => {
+	const code = await readFileAsync(filePath);
+	const ast = parser.parse(code, {sourceType: 'module', plugins: ['typescript']});
+
+	let hasFunctionOrClass = false;
+	traverse(ast, {
+		enter(path) {
+			if (
+				path.isFunctionDeclaration() ||
+				path.isFunctionExpression() ||
+				path.isObjectMethod() ||
+				path.isClassDeclaration()
+			) {
+				hasFunctionOrClass = true;
+				path.stop();  // stop traversing as soon as we found a function or class
+			}
+		},
+	});
+
+	return hasFunctionOrClass;
+}
+
+const program = async () => {
+
+  // Run a git command to get a list of all files in the commit
+	const changedFilesCommand = "git diff --name-only --diff-filter=d origin/master...HEAD";
+	const changedFiles = await execAsync(changedFilesCommand).then(({stdout}) => stdout.toString().trim().split('\n'));
+
+  // Get all .spec.ts and .test.ts files from the packages
+	const specAndTestTsFiles = await glob('../../packages/*/**/__test__/*.{spec,test}.ts');
+	const specAndTestTsFilesNames = specAndTestTsFiles.map(file => path.parse(file).name.replace(/\.(test|spec)/, ''));
+
+  // Filter out the .ts and .vue files from the changed files, .ts files with any kind of function declaration or class
+	const changedVueFiles = changedFiles.filter(file => file.endsWith('.vue'));
+	const changedTsFilesWithFunction = await filterAsync(async file => file.endsWith('.ts') && await hasFunctionOrClass(file), changedFiles);
+
+
+  // For each .ts or .vue file, check if there's a corresponding .test.ts or .spec.ts file in the repository
+	changedVueFiles.concat(changedTsFilesWithFunction).forEach(async file => {
+		const fileName = path.parse(file).name;
+
+		if (!specAndTestTsFilesNames.includes(fileName)) {
+			console.error(`No corresponding test file for: ${file}`);
+			process.exit(1);
+		}
+	});
+};
+
+program();

.github/scripts/package.json

@@ -1,6 +1,9 @@
 {
   "dependencies": {
-    "semver": "^7.3.8",
-    "conventional-changelog-cli": "^2.2.2"
+    "@babel/parser": "^7.22.5",
+    "@babel/traverse": "^7.22.5",
+    "conventional-changelog-cli": "^2.2.2",
+    "glob": "^10.2.7",
+    "semver": "^7.3.8"
   }
 }

.github/workflows/check-tests.yml

@@ -0,0 +1,23 @@
+name: Check Test Files
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  check-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Use Node.js
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18.x
+      - run: npm install --prefix=.github/scripts --no-package-lock
+
+      - name: Check for test files
+        run: node .github/actions/check-tests.mjs