blob: 5e6244648a4c85701899b68997ce28b345f889ce [file] [log] [blame]
# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import verifier
class FileVerifier(verifier.Verifier):
"""Verifies that the current files match the expectation dictionaries."""
def _VerifyExpectation(self, expectation_name, expectation,
"""Overridden from verifier.Verifier.
This method will throw an AssertionError if file state doesn't match the
expectation_name: Path to the file being verified. It is expanded using
expectation: A dictionary with the following key and value:
'exists' a boolean indicating whether the file should exist.
variable_expander: A VariableExpander object.
file_path = variable_expander.Expand(expectation_name)
file_exists = os.path.exists(file_path)
assert expectation['exists'] == file_exists, \
('File %s exists' % file_path) if file_exists else \
('File %s is missing' % file_path)