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How to use assert_not_reached method in Testify

Best Python code snippet using Testify_python

PRESUBMIT.py

Source:PRESUBMIT.py

1# Copyright (c) 2012 The Chromium Authors. All rights reserved.2# Use of this source code is governed by a BSD-style license that can be3# found in the LICENSE file.4"""Top-level presubmit script for cc.5See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts for6details on the presubmit API built into gcl.7"""8import re9CC_SOURCE_FILES=(r'^cc/.*\.(cc|h)$',)10def CheckAsserts(input_api, output_api, white_list=CC_SOURCE_FILES, black_list=None):11  black_list = tuple(black_list or input_api.DEFAULT_BLACK_LIST)12  source_file_filter = lambda x: input_api.FilterSourceFile(x, white_list, black_list)13  assert_files = []14  notreached_files = []15  for f in input_api.AffectedSourceFiles(source_file_filter):16    contents = input_api.ReadFile(f, 'rb')17    # WebKit ASSERT() is not allowed.18    if re.search(r"\bASSERT\(", contents):19      assert_files.append(f.LocalPath())20    # WebKit ASSERT_NOT_REACHED() is not allowed.21    if re.search(r"ASSERT_NOT_REACHED\(", contents):22      notreached_files.append(f.LocalPath())23  if assert_files:24    return [output_api.PresubmitError(25      'These files use ASSERT instead of using DCHECK:',26      items=assert_files)]27  if notreached_files:28    return [output_api.PresubmitError(29      'These files use ASSERT_NOT_REACHED instead of using NOTREACHED:',30      items=notreached_files)]31  return []32def CheckChangeOnUpload(input_api, output_api):33  results = []34  results += CheckAsserts(input_api, output_api)35  return results36def GetPreferredTrySlaves(project, change):37  return [38    'linux_layout_rel',...

assertions.py

Source:assertions.py

...9        callable_obj(*args, **kwargs)10    except expected_exception_class as e:11        # we got the expected exception12        return e13    assert_not_reached("No exception was raised (expected %s)" % expected_exception_class,)14def assert_length(sequence, expected, msg=None):15    """Assert that a sequence or iterable has an expected length."""16    msg = msg or "%(sequence)s has length %(length)s expected %(expected)s"17    length = len(list(sequence))18    assert length == expected, msg % locals()19def assert_call(mock, call_idx, *args, **kwargs):20    """Assert that a function was called on mock with the correct args."""21    actual = mock.mock_calls[call_idx] if mock.mock_calls else None22    msg = f"Call {call_idx} expected {(args, kwargs)}, was {actual}"23    assert actual == (args, kwargs), msg24def assert_mock_calls(expected, mock_calls):25    """Assert that all expected calls are in the list of mock_calls."""26    for expected_call in expected:27        assert_in(expected_call, mock_calls)

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