def delete_app(self):
contract = jc.Contract()
app_url_path = "/".join(["/v2/applications", self.TEST_APP])
f50_builder = st.http_observer.HttpContractBuilder(self.agent)
# The application should be unlisted immediately (assuming 1 replica)
# However given GCS rate limiting on updating the timestamp file,
# there is a race condition in which the filesystem timestamp
# was rate limited from updating AND a scheduled update is in progress
# where the application was seen just before the delete so gets restored
# back. Because the timestamp was not updated, this observer will read
# from the cache thinking it is fresh. We need the extra second to allow
# for the retry on the timestamp update to write out to GCS.
(f50_builder.new_clause_builder(
"Unlists Application",
retryable_for_secs=8).get_url_path("/v2/applications").EXPECT(
ov_factory.value_list_path_excludes(
"name", jp.STR_SUBSTR(self.TEST_APP.upper()))))
(f50_builder.new_clause_builder("Deletes Application").get_url_path(
app_url_path).EXPECT(
ov_factory.error_list_contains(
st.HttpAgentErrorPredicate(
st.HttpResponsePredicate(http_code=404)))))
(f50_builder.new_clause_builder(
"History Retains Application", retryable_for_secs=5).get_url_path(
"/v2/applications/{app}/history".format(
app=self.TEST_APP)).EXPECT(
ov_factory.value_list_matches([
jp.DICT_MATCHES({
key: jp.EQUIVALENT(value)
for key, value in self.app_history[0].items()
}),
jp.DICT_MATCHES({
key: jp.EQUIVALENT(value)
for key, value in self.app_history[1].items()
}),
])))
for clause in f50_builder.build().clauses:
contract.add_clause(clause)
gcs_builder = gcp.GcpStorageContractBuilder(self.gcs_observer)
(gcs_builder.new_clause_builder(
"Deleted File", retryable_for_secs=5).list_bucket(
self.BUCKET, "/".join([self.BASE_PATH,
"applications"])).EXPECT(
ov_factory.value_list_path_excludes(
"name",
jp.STR_SUBSTR(self.TEST_APP))))
for clause in gcs_builder.build().clauses:
contract.add_clause(clause)
return st.OperationContract(
self.new_delete_operation(title="delete_app",
data=None,
path=app_url_path),
contract=contract,
)
def test_k_expect_observe_error(self):
"""Example expects the observation itself to fail."""
key = self.make_key('InvalidKey')
context = citest.base.ExecutionContext()
builder = st.HttpContractBuilder(self.scenario.agent)
(builder.new_clause_builder('Expect Not Found Error')
.get_url_path('/lookup/' + key)
.EXPECT(ov_factory.error_list_contains(
st.HttpAgentErrorPredicate(st.HttpResponsePredicate(http_code=404)))))
contract = builder.build()
results = contract.verify(context)
self.assertTrue(results)
def delete_app(self):
contract = jc.Contract()
app_url_path = '/'.join(['/v2/applications', self.TEST_APP])
f50_builder = st.http_observer.HttpContractBuilder(self.agent)
(f50_builder.new_clause_builder('Unlists Application').get_url_path(
'/v2/applications').EXPECT(
ov_factory.value_list_path_excludes(
'name', jp.STR_SUBSTR(self.TEST_APP.upper()))))
(f50_builder.new_clause_builder('Deletes Application').get_url_path(
app_url_path).EXPECT(
ov_factory.error_list_contains(
st.HttpAgentErrorPredicate(
st.HttpResponsePredicate(http_code=404)))))
(f50_builder.new_clause_builder(
'History Retains Application', retryable_for_secs=5).get_url_path(
'/v2/applications/{app}/history'.format(
app=self.TEST_APP)).EXPECT(
ov_factory.value_list_matches([
jp.DICT_MATCHES({
key: jp.EQUIVALENT(value)
for key, value in self.app_history[0].items()
}),
jp.DICT_MATCHES({
key: jp.EQUIVALENT(value)
for key, value in self.app_history[1].items()
})
])))
for clause in f50_builder.build().clauses:
contract.add_clause(clause)
gcs_builder = gcp.GcpStorageContractBuilder(self.gcs_observer)
(gcs_builder.new_clause_builder(
'Deleted File', retryable_for_secs=5).list_bucket(
self.BUCKET, '/'.join([self.BASE_PATH,
'applications'])).EXPECT(
ov_factory.value_list_path_excludes(
'name',
jp.STR_SUBSTR(self.TEST_APP))))
for clause in gcs_builder.build().clauses:
contract.add_clause(clause)
return st.OperationContract(self.new_delete_operation(
title='delete_app', data=None, path=app_url_path),
contract=contract)