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ArchiveBox/archivebox/plugins/chrome_extensions/tests/test_chrome_extension_utils.js
2025-12-24 20:10:38 -08:00

330 lines
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JavaScript

/**
* Unit tests for chrome_extension_utils.js
*
* Run with: npm test
* Or: node --test tests/test_chrome_extension_utils.js
*/
const assert = require('assert');
const fs = require('fs');
const path = require('path');
const { describe, it, before, after, beforeEach, afterEach } = require('node:test');
// Import module under test
const extensionUtils = require('../chrome_extension_utils.js');
// Test fixtures
const TEST_DIR = path.join(__dirname, '.test_fixtures');
const TEST_EXTENSIONS_DIR = path.join(TEST_DIR, 'chrome_extensions');
describe('chrome_extension_utils', () => {
before(() => {
// Create test directory
if (!fs.existsSync(TEST_DIR)) {
fs.mkdirSync(TEST_DIR, { recursive: true });
}
});
after(() => {
// Cleanup test directory
if (fs.existsSync(TEST_DIR)) {
fs.rmSync(TEST_DIR, { recursive: true, force: true });
}
});
describe('getExtensionId', () => {
it('should compute extension ID from path', () => {
const testPath = '/path/to/extension';
const extensionId = extensionUtils.getExtensionId(testPath);
assert.strictEqual(typeof extensionId, 'string');
assert.strictEqual(extensionId.length, 32);
// Should only contain lowercase letters a-p
assert.match(extensionId, /^[a-p]+$/);
});
it('should compute ID even for non-existent paths', () => {
const testPath = '/nonexistent/path';
const extensionId = extensionUtils.getExtensionId(testPath);
// Should still compute an ID from the path string
assert.strictEqual(typeof extensionId, 'string');
assert.strictEqual(extensionId.length, 32);
assert.match(extensionId, /^[a-p]+$/);
});
it('should return consistent ID for same path', () => {
const testPath = '/path/to/extension';
const id1 = extensionUtils.getExtensionId(testPath);
const id2 = extensionUtils.getExtensionId(testPath);
assert.strictEqual(id1, id2);
});
it('should return different IDs for different paths', () => {
const path1 = '/path/to/extension1';
const path2 = '/path/to/extension2';
const id1 = extensionUtils.getExtensionId(path1);
const id2 = extensionUtils.getExtensionId(path2);
assert.notStrictEqual(id1, id2);
});
});
describe('loadExtensionManifest', () => {
beforeEach(() => {
// Create test extension directory with manifest
const testExtDir = path.join(TEST_DIR, 'test_extension');
fs.mkdirSync(testExtDir, { recursive: true });
const manifest = {
manifest_version: 3,
name: "Test Extension",
version: "1.0.0"
};
fs.writeFileSync(
path.join(testExtDir, 'manifest.json'),
JSON.stringify(manifest)
);
});
afterEach(() => {
// Cleanup test extension
const testExtDir = path.join(TEST_DIR, 'test_extension');
if (fs.existsSync(testExtDir)) {
fs.rmSync(testExtDir, { recursive: true });
}
});
it('should load valid manifest.json', () => {
const testExtDir = path.join(TEST_DIR, 'test_extension');
const manifest = extensionUtils.loadExtensionManifest(testExtDir);
assert.notStrictEqual(manifest, null);
assert.strictEqual(manifest.manifest_version, 3);
assert.strictEqual(manifest.name, "Test Extension");
assert.strictEqual(manifest.version, "1.0.0");
});
it('should return null for missing manifest', () => {
const nonExistentDir = path.join(TEST_DIR, 'nonexistent');
const manifest = extensionUtils.loadExtensionManifest(nonExistentDir);
assert.strictEqual(manifest, null);
});
it('should handle invalid JSON gracefully', () => {
const testExtDir = path.join(TEST_DIR, 'invalid_extension');
fs.mkdirSync(testExtDir, { recursive: true });
// Write invalid JSON
fs.writeFileSync(
path.join(testExtDir, 'manifest.json'),
'invalid json content'
);
const manifest = extensionUtils.loadExtensionManifest(testExtDir);
assert.strictEqual(manifest, null);
// Cleanup
fs.rmSync(testExtDir, { recursive: true });
});
});
describe('getExtensionLaunchArgs', () => {
it('should return empty array for no extensions', () => {
const args = extensionUtils.getExtensionLaunchArgs([]);
assert.deepStrictEqual(args, []);
});
it('should generate correct launch args for single extension', () => {
const extensions = [{
webstore_id: 'abcd1234',
unpacked_path: '/path/to/extension'
}];
const args = extensionUtils.getExtensionLaunchArgs(extensions);
assert.strictEqual(args.length, 4);
assert.strictEqual(args[0], '--load-extension=/path/to/extension');
assert.strictEqual(args[1], '--allowlisted-extension-id=abcd1234');
assert.strictEqual(args[2], '--allow-legacy-extension-manifests');
assert.strictEqual(args[3], '--disable-extensions-auto-update');
});
it('should generate correct launch args for multiple extensions', () => {
const extensions = [
{ webstore_id: 'ext1', unpacked_path: '/path/ext1' },
{ webstore_id: 'ext2', unpacked_path: '/path/ext2' },
{ webstore_id: 'ext3', unpacked_path: '/path/ext3' }
];
const args = extensionUtils.getExtensionLaunchArgs(extensions);
assert.strictEqual(args.length, 4);
assert.strictEqual(args[0], '--load-extension=/path/ext1,/path/ext2,/path/ext3');
assert.strictEqual(args[1], '--allowlisted-extension-id=ext1,ext2,ext3');
});
it('should handle extensions with id instead of webstore_id', () => {
const extensions = [{
id: 'computed_id',
unpacked_path: '/path/to/extension'
}];
const args = extensionUtils.getExtensionLaunchArgs(extensions);
assert.strictEqual(args[1], '--allowlisted-extension-id=computed_id');
});
it('should filter out extensions without paths', () => {
const extensions = [
{ webstore_id: 'ext1', unpacked_path: '/path/ext1' },
{ webstore_id: 'ext2', unpacked_path: null },
{ webstore_id: 'ext3', unpacked_path: '/path/ext3' }
];
const args = extensionUtils.getExtensionLaunchArgs(extensions);
assert.strictEqual(args[0], '--load-extension=/path/ext1,/path/ext3');
assert.strictEqual(args[1], '--allowlisted-extension-id=ext1,ext3');
});
});
describe('loadOrInstallExtension', () => {
beforeEach(() => {
// Create test extensions directory
if (!fs.existsSync(TEST_EXTENSIONS_DIR)) {
fs.mkdirSync(TEST_EXTENSIONS_DIR, { recursive: true });
}
});
afterEach(() => {
// Cleanup test extensions directory
if (fs.existsSync(TEST_EXTENSIONS_DIR)) {
fs.rmSync(TEST_EXTENSIONS_DIR, { recursive: true });
}
});
it('should throw error if neither webstore_id nor unpacked_path provided', async () => {
await assert.rejects(
async () => {
await extensionUtils.loadOrInstallExtension({}, TEST_EXTENSIONS_DIR);
},
/Extension must have either/
);
});
it('should set correct default values for extension metadata', async () => {
const input = {
webstore_id: 'test123',
name: 'test_extension'
};
// Mock the installation to avoid actual download
const originalInstall = extensionUtils.installExtension;
extensionUtils.installExtension = async () => {
// Create fake manifest
const extDir = path.join(TEST_EXTENSIONS_DIR, 'test123__test_extension');
fs.mkdirSync(extDir, { recursive: true });
fs.writeFileSync(
path.join(extDir, 'manifest.json'),
JSON.stringify({ version: '1.0.0' })
);
return true;
};
const ext = await extensionUtils.loadOrInstallExtension(input, TEST_EXTENSIONS_DIR);
// Restore original
extensionUtils.installExtension = originalInstall;
assert.strictEqual(ext.webstore_id, 'test123');
assert.strictEqual(ext.name, 'test_extension');
assert.ok(ext.webstore_url.includes(ext.webstore_id));
assert.ok(ext.crx_url.includes(ext.webstore_id));
assert.ok(ext.crx_path.includes('test123__test_extension.crx'));
assert.ok(ext.unpacked_path.includes('test123__test_extension'));
});
it('should detect version from manifest after installation', async () => {
const input = {
webstore_id: 'test456',
name: 'versioned_extension'
};
// Create pre-installed extension
const extDir = path.join(TEST_EXTENSIONS_DIR, 'test456__versioned_extension');
fs.mkdirSync(extDir, { recursive: true });
fs.writeFileSync(
path.join(extDir, 'manifest.json'),
JSON.stringify({
manifest_version: 3,
name: "Versioned Extension",
version: "2.5.1"
})
);
const ext = await extensionUtils.loadOrInstallExtension(input, TEST_EXTENSIONS_DIR);
assert.strictEqual(ext.version, '2.5.1');
});
});
describe('isTargetExtension', () => {
it('should identify extension targets by URL', async () => {
// Mock Puppeteer target
const mockTarget = {
type: () => 'service_worker',
url: () => 'chrome-extension://abcdefgh/background.js',
worker: async () => null,
page: async () => null
};
const result = await extensionUtils.isTargetExtension(mockTarget);
assert.strictEqual(result.target_is_extension, true);
assert.strictEqual(result.target_is_bg, true);
assert.strictEqual(result.extension_id, 'abcdefgh');
});
it('should not identify non-extension targets', async () => {
const mockTarget = {
type: () => 'page',
url: () => 'https://example.com',
worker: async () => null,
page: async () => null
};
const result = await extensionUtils.isTargetExtension(mockTarget);
assert.strictEqual(result.target_is_extension, false);
assert.strictEqual(result.target_is_bg, false);
assert.strictEqual(result.extension_id, null);
});
it('should handle closed targets gracefully', async () => {
const mockTarget = {
type: () => { throw new Error('No target with given id found'); },
url: () => { throw new Error('No target with given id found'); },
worker: async () => { throw new Error('No target with given id found'); },
page: async () => { throw new Error('No target with given id found'); }
};
const result = await extensionUtils.isTargetExtension(mockTarget);
assert.strictEqual(result.target_type, 'closed');
assert.strictEqual(result.target_url, 'about:closed');
});
});
});
// Run tests if executed directly
if (require.main === module) {
console.log('Run tests with: npm test');
console.log('Or: node --test tests/test_chrome_extension_utils.js');
}