def update_test_expectations(self, deleted_tests, renamed_tests):
"""Updates the TestExpectations file entries for tests that have been deleted or renamed."""
port = self.host.port_factory.get()
test_expectations = TestExpectations(port, include_overrides=False)
# Tests for which files don't exist aren't stored in TestExpectationsModel,
# so methods like TestExpectations.remove_expectation_line don't work; instead
# we can run through the TestExpectationLine objects that were parsed.
# FIXME: This won't work for removed or renamed directories with test expectations
# that are directories rather than individual tests.
new_lines = []
changed_lines = []
for expectation_line in test_expectations.expectations():
if expectation_line.name in deleted_tests:
continue
if expectation_line.name in renamed_tests:
expectation_line.name = renamed_tests[expectation_line.name]
# Upon parsing the file, a "path does not exist" warning is expected
# to be there for tests that have been renamed, and if there are warnings,
# then the original string is used. If the warnings are reset, then the
# expectation line is re-serialized when output.
expectation_line.warnings = []
changed_lines.append(expectation_line)
new_lines.append(expectation_line)
self.host.filesystem.write_text_file(
port.path_to_generic_test_expectations_file(),
TestExpectations.list_to_string(
new_lines, reconstitute_only_these=changed_lines))
