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test_cfn_threaded.py
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import unittest
import uuid
from pathlib import Path
from unittest import mock
from taskcat import Config
from taskcat._cfn.threaded import Stacker
def return_mock(*args, **kwargs):
return mock.Mock()
def return_mock_client(*args, **kwargs):
x = {
"StackId": "arn:aws:cloudformation:us-east-2:123456789012:stack/"
+ "mystack-mynestedstack-sggfrhxhum7w/"
+ "f449b250-b969-11e0-a185-5081d0136786"
}
y = {"Stacks": [{"Parameters": [], "Outputs": [], "Tags": []}]}
m = mock.Mock(autospec=True)
m.create_stack = mock.Mock(return_value=x)
m.describe_stacks = mock.Mock(return_value=y)
return m
def return_s3_url_maker(*args, **kwargs):
return "https://foo.s3.us-east-1.amazonaws.com/bar"
@mock.patch(
"taskcat._dataclasses.S3BucketObj._bucket_matches_existing", return_value=True
)
def get_tests(test_proj, _):
c = Config.create(
project_config_path=test_proj / ".taskcat.yml", project_root=test_proj
)
boto_cache = get_mock_boto_cache()
templates = c.get_templates()
regions = c.get_regions(boto3_cache=boto_cache)
buckets = c.get_buckets(boto_cache)
params = c.get_rendered_parameters(buckets, regions, templates)
return (
c.config.project.name,
c.get_tests(
templates=templates,
regions=regions,
buckets=buckets,
parameters=params,
),
)
@mock.patch("taskcat._client_factory.Boto3Cache", autospec=True)
def get_mock_boto_cache(m_boto):
return m_boto()
class TestStacker(unittest.TestCase):
@mock.patch("taskcat._cfn.threaded.Stack.create", return_mock)
def test_create_stacks(self):
test_proj = (Path(__file__).parent / "./data/nested-fail").resolve()
project_name, tests = get_tests(test_proj)
stacker = Stacker(project_name=project_name, tests=tests)
stacker.create_stacks()
self.assertEqual(2, len(stacker.stacks))
@mock.patch("taskcat._cfn.threaded.Stack.create", return_mock)
def test_delete_stacks(self):
test_proj = (Path(__file__).parent / "./data/nested-fail").resolve()
project_name, tests = get_tests(test_proj)
stacker = Stacker(project_name=project_name, tests=tests)
stacker.create_stacks()
stacker.delete_stacks()
stacker.stacks[0].delete.assert_called_once()
# @mock.patch("taskcat._cfn.threaded.Stack.create", return_mock)
@mock.patch("taskcat._dataclasses.RegionObj.client", return_mock_client)
@mock.patch("taskcat._cfn.stack.s3_url_maker", return_s3_url_maker)
def test_status(self, *args, **kwargs):
test_proj = (Path(__file__).parent / "./data/nested-fail").resolve()
project_name, tests = get_tests(test_proj)
stacker = Stacker(project_name=project_name, tests=tests)
stacker.create_stacks()
stacker.stacks[0].id = "stack-id"
stacker.stacks[0].status_reason = ""
stacker.stacks[0].status = "CREATE_COMPLETE"
stacker.stacks[1].id = "stack-id2"
stacker.stacks[1].status_reason = ""
stacker.stacks[1].status = "CREATE_IN_PROGRESS"
statuses = stacker.status()
expected = {
"COMPLETE": {"stack-id": ""},
"FAILED": {},
"IN_PROGRESS": {"stack-id2": ""},
}
self.assertEqual(expected, statuses)
stacker.stacks[0].id = "stack-id"
stacker.stacks[0].status_reason = ""
stacker.stacks[0].status = "DELETE_IN_PROGRESS"
stacker.stacks[1].id = "stack-id2"
stacker.stacks[1].status_reason = ""
stacker.stacks[1].status = "DELETE_COMPLETE"
statuses = stacker.status()
_reason = "COMPLETE event not detected. Potential out-of-band action against the stack."
expected = {
"COMPLETE": {},
"FAILED": {"stack-id2": _reason},
"IN_PROGRESS": {"stack-id": ""},
}
self.assertEqual(expected, statuses)
@mock.patch("taskcat._cfn.threaded.Stack.create", return_mock)
def test_events(self):
test_proj = (Path(__file__).parent / "./data/nested-fail").resolve()
project_name, tests = get_tests(test_proj)
stacker = Stacker(project_name=project_name, tests=tests)
stacker.create_stacks()
events = stacker.events()
self.assertEqual(2, len(events))
@mock.patch("taskcat._cfn.threaded.Stack.create", return_mock)
def test_resources(self):
test_proj = (Path(__file__).parent / "./data/nested-fail").resolve()
project_name, tests = get_tests(test_proj)
stacker = Stacker(project_name=project_name, tests=tests)
stacker.create_stacks()
resources = stacker.resources()
self.assertEqual(2, len(resources))
@mock.patch("taskcat._dataclasses.RegionObj.client", return_mock)
@mock.patch(
"taskcat._cfn.threaded.Stacker._import_stacks_per_client", return_value=[]
)
def test_from_existing(self, m_import):
test_proj = (Path(__file__).parent / "./data/nested-fail").resolve()
project_name, tests = get_tests(test_proj)
s = Stacker.from_existing(
uid=uuid.UUID(int=0), tests=tests, project_name=project_name
)
self.assertEqual([], s.stacks)
@mock.patch("taskcat._cfn.threaded.Stack.import_existing")
def test_import_stacks_per_client(self, m_stack_import):
clients = (mock.Mock(), "us-east-1")
class Paging:
@staticmethod
def paginate(**kwargs):
return [
{
"Stacks": [
{"ParentId": "skipme"},
{
"Tags": [
{
"Key": "taskcat-id",
"Value": "00000000000000000000000000000000",
},
{
"Key": "taskcat-test-name",
"Value": "taskcat-json",
},
{
"Key": "taskcat-project-name",
"Value": "nested-fail",
},
]
},
{
"Tags": [
{"Key": "taskcat-id", "Value": "nope"},
{
"Key": "taskcat-test-name",
"Value": "taskcat-json",
},
{
"Key": "taskcat-project-name",
"Value": "nested-fail",
},
]
},
{
"Tags": [
{
"Key": "taskcat-id",
"Value": "00000000000000000000000000000000",
},
{"Key": "taskcat-test-name", "Value": "nope"},
{
"Key": "taskcat-project-name",
"Value": "nested-fail",
},
]
},
{
"Tags": [
{
"Key": "taskcat-id",
"Value": "00000000000000000000000000000000",
},
{
"Key": "taskcat-test-name",
"Value": "taskcat-json",
},
{"Key": "taskcat-project-name", "Value": "nope"},
]
},
]
}
]
clients[0].get_paginator.return_value = Paging()
s = Stacker._import_stacks_per_client(
clients, uuid.UUID(int=0), "nested-fail", {"taskcat-json": mock.Mock()}
)
self.assertEqual(1, len(s))