Class RunnerCore

test/common.py:436–1668

class RunnerCore(RetryableTestCase, metaclass=RunnerMeta):
  # default temporary directory settings. set_temp_dir may be called later to
  # override these
  temp_dir = shared.TEMP_DIR
  canonical_temp_dir = get_canonical_temp_dir(shared.TEMP_DIR)

  # This avoids cluttering the test runner output, which is stderr too, with compiler warnings etc.
  # Change this to None to get stderr reporting, for debugging purposes
  stderr_redirect = STDOUT

  library_cache: dict[str, tuple[str, object]] = {}

  def is_wasm(self):
    return self.get_setting('WASM') != 0

  def is_wasm2js(self):
    return not self.is_wasm()

  def is_browser_test(self):
    return False

  def is_wasm64(self):
    return '-m64' in self.cflags

  def is_4gb(self):
    return self.get_setting('INITIAL_MEMORY') == '4200mb'

  def is_2gb(self):
    return self.get_setting('INITIAL_MEMORY') == '2200mb'

  def check_dylink(self):
    if self.get_setting('WASM_ESM_INTEGRATION'):
      self.skipTest('dynamic linking not supported with WASM_ESM_INTEGRATION')
    if '-lllvmlibc' in self.cflags:
      self.skipTest('dynamic linking not supported with llvm-libc')
    if self.is_wasm2js():
      self.skipTest('dynamic linking not supported with wasm2js')
    # MEMORY64=2 mode doesn't currently support dynamic linking because
    # The side modules are lowered to wasm32 when they are built, making
    # them unlinkable with wasm64 binaries.
    if self.get_setting('MEMORY64') == 2:
      self.skipTest('dynamic linking not supported with MEMORY64=2')

  def require_pthreads(self):
    self.cflags += ['-Wno-pthreads-mem-growth', '-pthread']
    if not self.is_browser_test():
      if self.get_setting('MINIMAL_RUNTIME'):
        self.skipTest('non-browser pthreads not yet supported with MINIMAL_RUNTIME')
      for engine in self.js_engines:
        if engine_is_node(engine) or engine_is_bun(engine) or engine_is_deno(engine):
          self.require_engine(engine)
          return
      self.fail('no JS engine found capable of running pthreads')

  def require_v8(self):
    if 'EMTEST_SKIP_V8' in os.environ:
      self.skipTest('test requires v8 and EMTEST_SKIP_V8 is set')
    v8 = get_v8()