testcafe
Version:
Automated browser testing for the modern web development stack.
196 lines • 27.7 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const path_1 = require("path");
const fs_1 = require("fs");
const strip_bom_1 = __importDefault(require("strip-bom"));
const nanoid_1 = require("nanoid");
const base_1 = __importDefault(require("./base"));
const test_file_1 = __importDefault(require("../../api/structure/test-file"));
const fixture_1 = __importDefault(require("../../api/structure/fixture"));
const test_1 = __importDefault(require("../../api/structure/test"));
const runtime_1 = require("../../errors/runtime");
const stack_cleaning_hook_1 = __importDefault(require("../../errors/stack-cleaning-hook"));
const node_modules_folder_name_1 = __importDefault(require("../../utils/node-modules-folder-name"));
const cache_proxy_1 = __importDefault(require("./cache-proxy"));
const exportable_lib_1 = __importDefault(require("../../api/exportable-lib"));
const add_export_api_1 = __importDefault(require("./add-export-api"));
const url_1 = __importDefault(require("url"));
const prevent_module_caching_suffix_1 = __importDefault(require("../prevent-module-caching-suffix"));
const { register } = require('node:module');
const { pathToFileURL } = require('node:url');
const semver = require('semver');
const CWD = process.cwd();
const FIXTURE_RE = /(^|;|\s+)fixture\s*(\.|\(|`)/;
const TEST_RE = /(^|;|\s+)test\s*(\.|\()/;
const TESTCAFE_LIB_FOLDER_NAME = 'lib';
const Module = module.constructor;
const errRequireEsmErrorCode = 'ERR_REQUIRE_ESM';
class APIBasedTestFileCompilerBase extends base_1.default {
constructor({ baseUrl, esm }) {
super({ baseUrl });
this.cache = Object.create(null);
this.origRequireExtensions = Object.create(null);
this.cachePrefix = (0, nanoid_1.nanoid)(7);
this.esm = esm;
}
static _getNodeModulesLookupPath(filename) {
const dir = (0, path_1.dirname)(filename);
return Module._nodeModulePaths(dir);
}
static _isNodeModulesDep(filename) {
return (0, path_1.relative)(CWD, filename)
.split(path_1.sep)
.includes(node_modules_folder_name_1.default);
}
static _isTestCafeLibDep(filename) {
return (0, path_1.relative)(CWD, filename)
.split(path_1.sep)
.includes(TESTCAFE_LIB_FOLDER_NAME);
}
async _execAsModule(code, filename) {
if (this.esm) {
if (semver.satisfies(process.version, '18.19.0 - 18.x || >=20.8.0'))
register('../esm-loader.js', pathToFileURL(__filename));
const fileUrl = url_1.default.pathToFileURL(filename);
//NOTE: It is necessary to prevent module caching during live mode.
// eslint-disable-next-line no-eval
await eval(`import('${fileUrl}?${prevent_module_caching_suffix_1.default}=${Date.now()}')`);
}
else {
const mod = new Module(filename, module.parent);
mod.filename = filename;
mod.paths = APIBasedTestFileCompilerBase._getNodeModulesLookupPath(filename);
cache_proxy_1.default.startExternalCaching(this.cachePrefix);
mod._compile(code, filename);
cache_proxy_1.default.stopExternalCaching();
}
}
_compileCode(code, filename) {
if (this.canPrecompile)
return this._precompileCode([{ code, filename }])[0];
throw new Error('Not implemented');
}
// eslint-disable-next-line @typescript-eslint/no-unused-vars
_precompileCode(testFilesInfo) {
throw new Error('Not implemented');
}
_getRequireCompilers() {
throw new Error('Not implemented');
}
_compileExternalModule(mod, filename, requireCompiler, origExt) {
if (APIBasedTestFileCompilerBase._isNodeModulesDep(filename) && origExt)
origExt(mod, filename);
else
this._compileModule(mod, filename, requireCompiler, origExt);
}
_compileModule(mod, filename, requireCompiler) {
const code = (0, fs_1.readFileSync)(filename).toString();
const compiledCode = requireCompiler((0, strip_bom_1.default)(code), filename);
mod.paths = APIBasedTestFileCompilerBase._getNodeModulesLookupPath(filename);
mod._compile(compiledCode, filename);
}
_setupRequireHook(testFile) {
const requireCompilers = this._getRequireCompilers();
this.origRequireExtensions = Object.create(null);
Object.keys(requireCompilers).forEach(ext => {
const origExt = require.extensions[ext];
this.origRequireExtensions[ext] = origExt;
require.extensions[ext] = (mod, filename) => {
const hadGlobalAPI = this._hasGlobalAPI();
// NOTE: remove global API so that it will be unavailable for the dependencies
if (APIBasedTestFileCompilerBase._isNodeModulesDep(filename) && hadGlobalAPI)
this._removeGlobalAPI();
this._compileExternalModule(mod, filename, requireCompilers[ext], origExt);
if (hadGlobalAPI && !this._hasGlobalAPI())
this._addGlobalAPI(testFile);
};
});
}
_removeRequireHook() {
Object.keys(this.origRequireExtensions).forEach(ext => {
require.extensions[ext] = this.origRequireExtensions[ext];
});
}
_compileCodeForTestFiles(testFilesInfo) {
stack_cleaning_hook_1.default.enabled = true;
try {
if (this.canPrecompile)
return this._precompileCode(testFilesInfo);
return testFilesInfo.map(({ code, filename }) => this._compileCode(code, filename));
}
catch (err) {
throw new runtime_1.TestCompilationError(stack_cleaning_hook_1.default.cleanError(err));
}
finally {
stack_cleaning_hook_1.default.enabled = false;
}
}
_addGlobalAPI(testFile) {
Object.defineProperty(global, 'fixture', {
get: () => new fixture_1.default(testFile, this.baseUrl),
configurable: true,
});
Object.defineProperty(global, 'test', {
get: () => new test_1.default(testFile, this.baseUrl),
configurable: true,
});
}
_addExportAPI(testFile) {
(0, add_export_api_1.default)(testFile, exportable_lib_1.default, { baseUrl: this.baseUrl });
}
_removeGlobalAPI() {
delete global.fixture;
delete global.test;
}
_hasGlobalAPI() {
return global.fixture && global.test;
}
async _runCompiledCode(compiledCode, filename) {
const testFile = new test_file_1.default(filename);
this._addGlobalAPI(testFile);
this._addExportAPI(testFile);
stack_cleaning_hook_1.default.enabled = true;
this._setupRequireHook(testFile);
try {
await this._execAsModule(compiledCode, filename);
}
catch (err) {
if (err.code === errRequireEsmErrorCode)
throw new runtime_1.ImportESMInCommonJSError(err, filename);
if (!(err instanceof runtime_1.APIError))
throw new runtime_1.TestCompilationError(stack_cleaning_hook_1.default.cleanError(err));
throw err;
}
finally {
this._removeRequireHook();
stack_cleaning_hook_1.default.enabled = false;
if (!this.esm)
this._removeGlobalAPI();
}
return testFile.getTests();
}
precompile(testFilesInfo) {
return this._compileCodeForTestFiles(testFilesInfo);
}
execute(compiledCode, filename) {
return this._runCompiledCode(compiledCode, filename);
}
async compile(code, filename) {
const [compiledCode] = await this.precompile([{ code, filename }]);
if (compiledCode)
return this.execute(compiledCode, filename);
return Promise.resolve();
}
_hasTests(code) {
return FIXTURE_RE.test(code) && TEST_RE.test(code);
}
cleanUp() {
this.cache = {};
}
}
exports.default = APIBasedTestFileCompilerBase;
module.exports = exports.default;
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{\n    dirname,\n    relative,\n    sep as pathSep,\n} from 'path';\n\nimport { readFileSync } from 'fs';\nimport stripBom from 'strip-bom';\nimport { nanoid } from 'nanoid';\nimport TestFileCompilerBase from './base';\nimport TestFile from '../../api/structure/test-file';\nimport Fixture from '../../api/structure/fixture';\nimport Test from '../../api/structure/test';\nimport {\n    TestCompilationError,\n    APIError,\n    ImportESMInCommonJSError,\n} from '../../errors/runtime';\nimport stackCleaningHook from '../../errors/stack-cleaning-hook';\nimport NODE_MODULES from '../../utils/node-modules-folder-name';\nimport cacheProxy from './cache-proxy';\nimport exportableLib from '../../api/exportable-lib';\nimport addExportAPI from './add-export-api';\nimport url from 'url';\nimport PREVENT_MODULE_CACHING_SUFFIX from '../prevent-module-caching-suffix';\n\nconst { register }      = require('node:module');\nconst { pathToFileURL } = require('node:url');\nconst semver            = require('semver');\n\n\nconst CWD = process.cwd();\n\nconst FIXTURE_RE = /(^|;|\\s+)fixture\\s*(\\.|\\(|`)/;\nconst TEST_RE    = /(^|;|\\s+)test\\s*(\\.|\\()/;\n\nconst TESTCAFE_LIB_FOLDER_NAME = 'lib';\n\nconst Module = module.constructor;\n\nconst errRequireEsmErrorCode = 'ERR_REQUIRE_ESM';\n\nexport default class APIBasedTestFileCompilerBase extends TestFileCompilerBase {\n    constructor ({ baseUrl, esm }) {\n        super({ baseUrl });\n\n        this.cache                 = Object.create(null);\n        this.origRequireExtensions = Object.create(null);\n        this.cachePrefix           = nanoid(7);\n        this.esm                   = esm;\n    }\n\n    static _getNodeModulesLookupPath (filename) {\n        const dir = dirname(filename);\n\n        return Module._nodeModulePaths(dir);\n    }\n\n    static _isNodeModulesDep (filename) {\n        return relative(CWD, filename)\n            .split(pathSep)\n            .includes(NODE_MODULES);\n    }\n\n    static _isTestCafeLibDep (filename) {\n        return relative(CWD, filename)\n            .split(pathSep)\n            .includes(TESTCAFE_LIB_FOLDER_NAME);\n    }\n\n    async _execAsModule (code, filename) {\n        if (this.esm) {\n            if (semver.satisfies(process.version, '18.19.0 - 18.x || >=20.8.0'))\n                register('../esm-loader.js', pathToFileURL(__filename));\n\n            const fileUrl = url.pathToFileURL(filename);\n\n            //NOTE: It is necessary to prevent module caching during live mode.\n            // eslint-disable-next-line no-eval\n            await eval(`import('${fileUrl}?${PREVENT_MODULE_CACHING_SUFFIX}=${Date.now()}')`);\n        }\n        else {\n            const mod = new Module(filename, module.parent);\n\n            mod.filename = filename;\n            mod.paths    = APIBasedTestFileCompilerBase._getNodeModulesLookupPath(filename);\n\n            cacheProxy.startExternalCaching(this.cachePrefix);\n\n            mod._compile(code, filename);\n\n            cacheProxy.stopExternalCaching();\n        }\n    }\n\n    _compileCode (code, filename) {\n        if (this.canPrecompile)\n            return this._precompileCode([{ code, filename }])[0];\n\n        throw new Error('Not implemented');\n    }\n\n    // eslint-disable-next-line @typescript-eslint/no-unused-vars\n    _precompileCode (testFilesInfo) {\n        throw new Error('Not implemented');\n    }\n\n    _getRequireCompilers () {\n        throw new Error('Not implemented');\n    }\n\n    _compileExternalModule (mod, filename, requireCompiler, origExt) {\n        if (APIBasedTestFileCompilerBase._isNodeModulesDep(filename) && origExt)\n            origExt( mod, filename );\n        else\n            this._compileModule(mod, filename, requireCompiler, origExt);\n    }\n\n    _compileModule (mod, filename, requireCompiler) {\n        const code         = readFileSync(filename).toString();\n        const compiledCode = requireCompiler(stripBom(code), filename);\n\n        mod.paths = APIBasedTestFileCompilerBase._getNodeModulesLookupPath(filename);\n\n        mod._compile(compiledCode, filename);\n    }\n\n    _setupRequireHook (testFile) {\n        const requireCompilers = this._getRequireCompilers();\n\n        this.origRequireExtensions = Object.create(null);\n\n        Object.keys(requireCompilers).forEach(ext => {\n            const origExt = require.extensions[ext];\n\n            this.origRequireExtensions[ext] = origExt;\n\n            require.extensions[ext] = (mod, filename) => {\n                const hadGlobalAPI = this._hasGlobalAPI();\n\n                // NOTE: remove global API so that it will be unavailable for the dependencies\n                if (APIBasedTestFileCompilerBase._isNodeModulesDep(filename) && hadGlobalAPI)\n                    this._removeGlobalAPI();\n\n                this._compileExternalModule(mod, filename, requireCompilers[ext], origExt);\n\n                if (hadGlobalAPI && !this._hasGlobalAPI())\n                    this._addGlobalAPI(testFile);\n            };\n        });\n    }\n\n    _removeRequireHook () {\n        Object.keys(this.origRequireExtensions).forEach(ext => {\n            require.extensions[ext] = this.origRequireExtensions[ext];\n        });\n    }\n\n    _compileCodeForTestFiles (testFilesInfo) {\n        stackCleaningHook.enabled = true;\n\n        try {\n            if (this.canPrecompile)\n                return this._precompileCode(testFilesInfo);\n\n            return testFilesInfo.map(({ code, filename }) => this._compileCode(code, filename));\n        }\n        catch (err) {\n            throw new TestCompilationError(stackCleaningHook.cleanError(err));\n        }\n        finally {\n            stackCleaningHook.enabled = false;\n        }\n    }\n\n    _addGlobalAPI (testFile) {\n        Object.defineProperty(global, 'fixture', {\n            get:          () => new Fixture(testFile, this.baseUrl),\n            configurable: true,\n        });\n\n        Object.defineProperty(global, 'test', {\n            get:          () => new Test(testFile, this.baseUrl),\n            configurable: true,\n        });\n    }\n\n    _addExportAPI (testFile) {\n        addExportAPI(testFile, exportableLib, { baseUrl: this.baseUrl });\n    }\n\n    _removeGlobalAPI () {\n        delete global.fixture;\n        delete global.test;\n    }\n\n    _hasGlobalAPI () {\n        return global.fixture && global.test;\n    }\n\n    async _runCompiledCode (compiledCode, filename) {\n        const testFile = new TestFile(filename);\n\n        this._addGlobalAPI(testFile);\n        this._addExportAPI(testFile);\n\n        stackCleaningHook.enabled = true;\n\n        this._setupRequireHook(testFile);\n\n        try {\n            await this._execAsModule(compiledCode, filename);\n        }\n        catch (err) {\n            if (err.code === errRequireEsmErrorCode)\n                throw new ImportESMInCommonJSError(err, filename);\n\n            if (!(err instanceof APIError))\n                throw new TestCompilationError(stackCleaningHook.cleanError(err));\n\n            throw err;\n        }\n        finally {\n            this._removeRequireHook();\n            stackCleaningHook.enabled = false;\n\n            if (!this.esm)\n                this._removeGlobalAPI();\n        }\n\n        return testFile.getTests();\n    }\n\n\n    precompile (testFilesInfo) {\n        return this._compileCodeForTestFiles(testFilesInfo);\n    }\n\n    execute (compiledCode, filename) {\n        return this._runCompiledCode(compiledCode, filename);\n    }\n\n    async compile (code, filename) {\n        const [compiledCode] = await this.precompile([{ code, filename }]);\n\n        if (compiledCode)\n            return this.execute(compiledCode, filename);\n\n        return Promise.resolve();\n    }\n\n    _hasTests (code) {\n        return FIXTURE_RE.test(code) && TEST_RE.test(code);\n    }\n\n    cleanUp () {\n        this.cache = {};\n    }\n}\n"]}