Function configure_test_browser

test/browser_common.py:341–379

()

def configure_test_browser():
  global EMTEST_BROWSER

  if not has_browser():
    return

  if not EMTEST_BROWSER:
    EMTEST_BROWSER = 'google-chrome'
    if not shutil.which(EMTEST_BROWSER):
      EMTEST_BROWSER = 'firefox'
      if not shutil.which(EMTEST_BROWSER):
        # FIXME: This should really be an error, but this code currently also runs for non-browser tests.
        EMTEST_BROWSER = 'default-browser-not-found'

        if MACOS and os.path.isdir('/Applications/Safari.app'):
          EMTEST_BROWSER = '/Applications/Safari.app'
        elif WINDOWS:
          for browser in [
            f'{os.getenv("ProgramFiles(x86)", "")}\\Microsoft\\Edge\\Application\\msedge.exe',
            f'{os.getenv("ProgramFiles", "")}\\Mozilla Firefox\\firefox.exe',
            f'{os.getenv("LOCALAPPDATA", "")}\\Google\\Chrome SxS\\Application\\chrome.exe']:
            if os.path.isfile(browser):
              EMTEST_BROWSER = browser

  if WINDOWS and '"' not in EMTEST_BROWSER and "'" not in EMTEST_BROWSER:
    # On Windows env. vars canonically use backslashes as directory delimiters, e.g.
    # set EMTEST_BROWSER=C:\Program Files\Mozilla Firefox\firefox.exe
    # and spaces are not escaped. But make sure to also support args, e.g.
    # set EMTEST_BROWSER="C:\Users\clb\AppData\Local\Google\Chrome SxS\Application\chrome.exe" --enable-unsafe-webgpu
    EMTEST_BROWSER = '"' + EMTEST_BROWSER.replace("\\", "\\\\") + '"'

  if EMTEST_BROWSER_AUTO_CONFIG:
    config = get_browser_config()
    if config:
      EMTEST_BROWSER += ' ' + ' '.join(config.default_flags)
      if EMTEST_HEADLESS == 1:
        EMTEST_BROWSER += f" {config.headless_flags}"
      if EMTEST_COS_EXTENSION_PATH and is_chrome():
        EMTEST_BROWSER += f' --load-extension="{EMTEST_COS_EXTENSION_PATH}"'


# Create a server and a web page. When a test runs, we tell the server about it,