def test_passes_on_dissimilar_errors(self):
class DeliberateError(Exception):
"""Deliberately induced error for testing."""
with ExpectedException(DeliberateError):
with report_missing_config_dir():
raise DeliberateError("This exception propagates unchanged.")
def write_zone_file(cls, output_file, *parameters):
"""Write a zone file based on the zone file template.
There is a subtlety with zone files: their filesystem timestamp must
increase with every rewrite. Some filesystems (ext3?) only seem to
support a resolution of one second, and so this method may set an
unexpected modification time in order to maintain that property.
"""
if not isinstance(output_file, list):
output_file = [output_file]
for outfile in output_file:
content = render_dns_template(cls.template_file_name, *parameters)
with report_missing_config_dir():
incremental_write(content.encode("utf-8"), outfile, mode=0o644)
pass
def test_succeeds_if_no_exceptions(self):
with report_missing_config_dir():
pass
# The real test is that we get here without error.
pass
def test_passes_on_other_similar_errors(self):
with ExpectedException(PermissionError):
with report_missing_config_dir():
# OSError(EACCESS) is transmogrified, by Python itself, into
# PermissionError. It's a subclass of OSError.
raise OSError(errno.EACCES, "Deliberate error for testing.")
def test_specially_reports_missing_config_dir(self):
with ExpectedException(DNSConfigDirectoryMissing):
with report_missing_config_dir():
open(os.path.join(self.make_dir(), "nonexistent-file.txt"))
