KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use ensure_empty_dir method in tox

Best Python code snippet using tox_python

build.py

Source:build.py

...28# Preconditions.29def ensure_remove_dir(path):30    if os.path.exists(path):31        shutil.rmtree(path)32def ensure_empty_dir(path):33    ensure_remove_dir(path)34    os.mkdir(path)35def compile_wasm_interpreter():36    print("Recompiling the wasm interpreter...")37    result = call('make', '-C', INTERPRETER_DIR, 'clean', 'default')38    if result != 0:39        print("Couldn't recompile wasm spec interpreter")40        sys.exit(1)41    print("Done!")42def ensure_wasm_executable(path_to_wasm):43    """44    Ensure we have built the wasm spec interpreter.45    """46    result = call(path_to_wasm, '-v', '-e', '')47    if result != 0:48        print('Unable to run the wasm executable')49        sys.exit(1)50# JS harness.51def convert_one_wast_file(inputs):52    wast_file, js_file = inputs53    print('Compiling {} to JS...'.format(wast_file))54    return run(WASM_EXEC, wast_file, '-h', '-o', js_file)55def convert_wast_to_js(out_js_dir):56    """Compile all the wast files to JS and store the results in the JS dir."""57    inputs = []58    for wast_file in glob.glob(os.path.join(WAST_TESTS_DIR, '*.wast')):59        # Don't try to compile tests that are supposed to fail.60        if '.fail.' in wast_file:61            continue62        js_filename = os.path.basename(wast_file) + '.js'63        js_file = os.path.join(out_js_dir, js_filename)64        inputs.append((wast_file, js_file))65    pool = mp.Pool(processes=8)66    for result in pool.imap_unordered(convert_one_wast_file, inputs):67        if result.returncode != 0:68            print('Error when compiling to JS:')69            print(result.args)70            if result.stdout:71                # stderr is piped to stdout via `run`, so we only need to72                # worry about stdout73                print(result.stdout)74    return [js_file for (wast_file, js_file) in inputs]75def copy_harness_files(out_js_dir, include_harness):76    harness_dir = os.path.join(out_js_dir, 'harness')77    ensure_empty_dir(harness_dir)78    print('Copying JS test harness to the JS out dir...')79    for js_file in glob.glob(os.path.join(HARNESS_DIR, '*')):80        if os.path.basename(js_file) in HARNESS_FILES and not include_harness:81            continue82        shutil.copy(js_file, harness_dir)83def build_js(out_js_dir):84    print('Building JS...')85    convert_wast_to_js(out_js_dir)86    copy_harness_files(out_js_dir, False)87    print('Done building JS.')88# HTML harness.89HTML_HEADER = """<!doctype html>90<html>91    <head>92        <meta charset="UTF-8">93        <title>WebAssembly Web Platform Test</title>94    </head>95    <body>96        <script src={WPT_PREFIX}/testharness.js></script>97        <script src={WPT_PREFIX}/testharnessreport.js></script>98        <script src={PREFIX}/{JS_HARNESS}></script>99        <div id=log></div>100"""101HTML_BOTTOM = """102    </body>103</html>104"""105def wrap_single_test(js_file):106    test_func_name = os.path.basename(js_file).replace('.', '_').replace('-', '_')107    content = "(function {}() {{\n".format(test_func_name)108    with open(js_file, 'r') as f:109        content += f.read()110    content += "reinitializeRegistry();\n})();\n"111    with open(js_file, 'w') as f:112        f.write(content)113def build_html_js(out_dir):114    ensure_empty_dir(out_dir)115    copy_harness_files(out_dir, True)116    tests = convert_wast_to_js(out_dir)117    for js_file in tests:118        wrap_single_test(js_file)119    return tests120def build_html_from_js(tests, html_dir, use_sync):121    for js_file in tests:122        js_filename = os.path.basename(js_file)123        html_filename = js_filename + '.html'124        html_file = os.path.join(html_dir, html_filename)125        js_harness = "sync_index.js" if use_sync else "async_index.js"126        with open(html_file, 'w+') as f:127            content = HTML_HEADER.replace('{PREFIX}', './js/harness') \128                                 .replace('{WPT_PREFIX}', './js/harness') \129                                 .replace('{JS_HARNESS}', js_harness)130            content += "        <script src=./js/{SCRIPT}></script>".replace('{SCRIPT}', js_filename)131            content += HTML_BOTTOM132            f.write(content)133def build_html(html_dir, js_dir, use_sync):134    print("Building HTML tests...")135    js_html_dir = os.path.join(html_dir, 'js')136    tests = build_html_js(js_html_dir)137    print('Building WPT tests from JS tests...')138    build_html_from_js(tests, html_dir, use_sync)139    print("Done building HTML tests.")140# Front page harness.141def build_front_page(out_dir, js_dir, use_sync):142    print('Building front page containing all the HTML tests...')143    js_out_dir = os.path.join(out_dir, 'js')144    tests = build_html_js(js_out_dir)145    front_page = os.path.join(out_dir, 'index.html')146    js_harness = "sync_index.js" if use_sync else "async_index.js"147    with open(front_page, 'w+') as f:148        content = HTML_HEADER.replace('{PREFIX}', './js/harness') \149                             .replace('{WPT_PREFIX}', './js/harness')\150                             .replace('{JS_HARNESS}', js_harness)151        for js_file in tests:152            filename = os.path.basename(js_file)153            content += "        <script src=./js/{SCRIPT}></script>\n".replace('{SCRIPT}', filename)154        content += HTML_BOTTOM155        f.write(content)156    print('Done building front page!')157# Main program.158def process_args():159    parser = argparse.ArgumentParser(description="Helper tool to build the\160            multi-stage cross-browser test suite for WebAssembly.")161    parser.add_argument('--js',162                        dest="js_dir",163                        help="Relative path to the output directory for the pure JS tests.",164                        type=str)165    parser.add_argument('--html',166                        dest="html_dir",167                        help="Relative path to the output directory for the Web Platform tests.",168                        type=str)169    parser.add_argument('--front',170                        dest="front_dir",171                        help="Relative path to the output directory for the front page.",172                        type=str)173    parser.add_argument('--dont-recompile',174                        action="store_const",175                        dest="compile",176                        help="Don't recompile the wasm spec interpreter (by default, it is)",177                        const=False,178                        default=True)179    parser.add_argument('--use-sync',180                        action="store_const",181                        dest="use_sync",182                        help="Let the tests use the synchronous JS API (by default, it does not)",183                        const=True,184                        default=False)185    return parser.parse_args(), parser186if __name__ == '__main__':187    args, parser = process_args()188    js_dir = args.js_dir189    html_dir = args.html_dir190    front_dir = args.front_dir191    if front_dir is None and js_dir is None and html_dir is None:192        print('At least one mode must be selected.\n')193        parser.print_help()194        sys.exit(1)195    if args.compile:196        compile_wasm_interpreter()197    ensure_wasm_executable(WASM_EXEC)198    if js_dir is not None:199        ensure_empty_dir(js_dir)200        build_js(js_dir)201    if html_dir is not None:202        ensure_empty_dir(html_dir)203        build_html(html_dir, js_dir, args.use_sync)204    if front_dir is not None:205        ensure_empty_dir(front_dir)206        build_front_page(front_dir, js_dir, args.use_sync)...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.