def test_disable_read_to_file_cache(monkeypatch, fs):
# Beginning of setup.
Scenario().add_host("hostname").apply(monkeypatch)
source = SNMPDataSource("hostname", "ipaddress")
source.set_max_cachefile_age(999)
source.set_may_use_cache_file()
# Patch I/O: It is good enough to patch `store.save_file()`
# as pyfakefs takes care of the rest.
monkeypatch.setattr(
store, "save_file",
lambda path, contents: fs.create_file(path, contents=contents))
file_cache = FileCache.from_source(source)
table = [] # type: SNMPTable
raw_data = {"X": table} # type: RawSNMPData
# End of setup.
assert not source.is_agent_cache_disabled()
file_cache = FileCache.from_source(source)
file_cache.write(raw_data)
assert file_cache.path.exists()
assert file_cache.read() == raw_data
source.disable_data_source_cache()
assert source.is_agent_cache_disabled()
file_cache = FileCache.from_source(source)
assert file_cache.read() is None
def test_disable_write_to_file_cache(monkeypatch, fs):
# Beginning of setup.
Scenario().add_host("hostname").apply(monkeypatch)
source = SNMPDataSource("hostname", "ipaddress")
source.set_max_cachefile_age(999)
source.set_may_use_cache_file()
# Patch I/O: It is good enough to patch `store.save_file()`
# as pyfakefs takes care of the rest.
monkeypatch.setattr(
store, "save_file",
lambda path, contents: fs.create_file(path, contents=contents))
file_cache = source._make_file_cache()
table: SNMPTable = []
raw_data: SNMPRawData = {SectionName("X"): table}
# End of setup.
source.disable_data_source_cache()
assert source.is_agent_cache_disabled()
# Another one bites the dust.
file_cache = source._make_file_cache()
file_cache.write(raw_data)
assert not file_cache.path.exists()
assert file_cache.read() is None
