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K8sService class (#307)
K8sService class SUMMARY This refactors the perform_action() logic from common.py into a separate K8sService class. TODO: Unit tests. ISSUE TYPE New Module Pull Request COMPONENT NAME service.py Reviewed-by: Abhijeet Kasurde <None> Reviewed-by: Mike Graves <mgraves@redhat.com> Reviewed-by: Alina Buzachis <None> Reviewed-by: None <None>
This commit is contained in:
Alina Buzachis
committed by
Mike Graves
Mike Graves
parent
f168a3f67f
commit
e2f54d3431
373
tests/unit/module_utils/test_service.py
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373
tests/unit/module_utils/test_service.py
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from unittest.mock import Mock
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import pytest
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from kubernetes.dynamic.resource import ResourceInstance, Resource
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from ansible_collections.kubernetes.core.plugins.module_utils.k8s.service import (
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K8sService,
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)
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from kubernetes.dynamic.exceptions import NotFoundError
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pod_definition = {
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"apiVersion": "v1",
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"kind": "Pod",
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"metadata": {
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"name": "foo",
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"labels": {"environment": "production", "app": "nginx"},
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"namespace": "foo",
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},
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"spec": {
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"containers": [
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{
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"name": "nginx",
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"image": "nginx:1.14.2",
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"command": ["/bin/sh", "-c", "sleep 10"],
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}
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]
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},
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}
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pod_definition_updated = {
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"apiVersion": "v1",
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"kind": "Pod",
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"metadata": {
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"name": "foo",
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"labels": {"environment": "testing", "app": "nginx"},
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"namespace": "bar",
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},
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"spec": {
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"containers": [
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{
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"name": "nginx",
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"image": "nginx:1.14.2",
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"command": ["/bin/sh", "-c", "sleep 10"],
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}
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]
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},
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}
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@pytest.fixture(scope="module")
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def mock_pod_resource_instance():
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return ResourceInstance(None, pod_definition)
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@pytest.fixture(scope="module")
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def mock_pod_updated_resource_instance():
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return ResourceInstance(None, pod_definition_updated)
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def test_diff_objects_no_diff():
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svc = K8sService(Mock(), Mock())
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match, diff = svc.diff_objects(pod_definition, pod_definition)
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assert match is True
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assert diff == {}
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def test_diff_objects_meta_diff():
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svc = K8sService(Mock(), Mock())
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match, diff = svc.diff_objects(pod_definition, pod_definition_updated)
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assert match is False
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assert diff["before"] == {
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"metadata": {"labels": {"environment": "production"}, "namespace": "foo"}
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}
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assert diff["after"] == {
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"metadata": {"labels": {"environment": "testing"}, "namespace": "bar"}
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}
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def test_diff_objects_spec_diff():
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pod_definition_updated = {
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"apiVersion": "v1",
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"kind": "Pod",
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"metadata": {
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"name": "foo",
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"labels": {"environment": "production", "app": "nginx"},
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"namespace": "foo",
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},
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"spec": {
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"containers": [
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{
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"name": "busybox",
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"image": "busybox",
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"command": ["/bin/sh", "-c", "sleep 3600"],
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}
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]
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},
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}
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svc = K8sService(Mock(), Mock())
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match, diff = svc.diff_objects(pod_definition, pod_definition_updated)
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assert match is False
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assert diff["before"]["spec"] == pod_definition["spec"]
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assert diff["after"]["spec"] == pod_definition_updated["spec"]
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def test_find_resource():
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mock_pod_resource = Resource(
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api_version="v1", kind="Pod", namespaced=False, preferred=True, prefix="api"
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)
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spec = {"resources.get.side_effect": [mock_pod_resource]}
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client = Mock(**spec)
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svc = K8sService(client, Mock())
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resource = svc.find_resource("Pod", "v1")
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assert isinstance(resource, Resource)
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assert resource.to_dict().items() <= mock_pod_resource.to_dict().items()
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def test_service_delete_existing_resource(mock_pod_resource_instance):
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spec = {"delete.side_effect": [mock_pod_resource_instance]}
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client = Mock(**spec)
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module = Mock()
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module.params = {}
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module.check_mode = False
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svc = K8sService(client, module)
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results = svc.delete(Mock(), pod_definition, mock_pod_resource_instance)
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assert isinstance(results, dict)
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assert results["changed"] is True
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assert results["result"] == pod_definition
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def test_service_delete_no_existing_resource():
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module = Mock()
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module.params = {}
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module.check_mode = False
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svc = K8sService(Mock(), module)
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results = svc.delete(Mock(), pod_definition)
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assert isinstance(results, dict)
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assert results["changed"] is False
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assert results["result"] == {}
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def test_service_delete_existing_resource_check_mode(mock_pod_resource_instance):
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module = Mock()
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module.params = {"wait": False}
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module.check_mode = True
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svc = K8sService(Mock(), module)
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results = svc.delete(Mock(), pod_definition, mock_pod_resource_instance)
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assert isinstance(results, dict)
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assert results["changed"] is True
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def test_service_create_resource(mock_pod_resource_instance):
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spec = {"create.side_effect": [mock_pod_resource_instance]}
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client = Mock(**spec)
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module = Mock()
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module.params = {}
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module.check_mode = False
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svc = K8sService(client, module)
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results = svc.create(Mock(), pod_definition)
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assert isinstance(results, dict)
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assert results["changed"] is True
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assert results["result"] == pod_definition
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def test_service_create_resource_check_mode():
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client = Mock()
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client.dry_run = False
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module = Mock()
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module.params = {}
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module.check_mode = True
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svc = K8sService(client, module)
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results = svc.create(Mock(), pod_definition)
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assert isinstance(results, dict)
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assert results["changed"] is True
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assert results["result"] == pod_definition
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def test_service_retrieve_existing_resource(mock_pod_resource_instance):
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spec = {"get.side_effect": [mock_pod_resource_instance]}
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client = Mock(**spec)
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module = Mock()
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module.params = {}
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svc = K8sService(client, module)
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results = svc.retrieve(Mock(), pod_definition)
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assert isinstance(results, dict)
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assert results["changed"] is False
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assert results["result"] == pod_definition
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def test_service_retrieve_no_existing_resource():
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spec = {"get.side_effect": [NotFoundError(Mock())]}
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client = Mock(**spec)
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module = Mock()
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module.params = {}
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svc = K8sService(client, module)
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results = svc.retrieve(Mock(), pod_definition)
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assert isinstance(results, dict)
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assert results["changed"] is False
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assert results["result"] == {}
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def test_create_project_request():
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project_definition = {
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"apiVersion": "v1",
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"kind": "ProjectRequest",
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"metadata": {"name": "test"},
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}
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spec = {"create.side_effect": [ResourceInstance(None, project_definition)]}
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client = Mock(**spec)
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module = Mock()
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module.check_mode = False
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module.params = {"state": "present"}
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svc = K8sService(client, module)
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results = svc.create_project_request(project_definition)
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assert isinstance(results, dict)
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assert results["changed"] is True
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assert results["result"] == project_definition
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def test_service_apply_existing_resource(mock_pod_resource_instance):
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spec = {"apply.side_effect": [ResourceInstance(None, pod_definition_updated)]}
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client = Mock(**spec)
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module = Mock()
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module.params = {"apply": True}
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module.check_mode = False
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svc = K8sService(client, module)
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results = svc.apply(Mock(), pod_definition_updated, mock_pod_resource_instance)
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assert isinstance(results, dict)
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assert results["changed"] is True
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assert results["diff"] is not {}
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assert results["result"] == pod_definition_updated
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def test_service_apply_existing_resource_no_diff(mock_pod_resource_instance):
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spec = {"apply.side_effect": [mock_pod_resource_instance]}
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client = Mock(**spec)
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module = Mock()
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module.params = {"apply": True}
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module.check_mode = False
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svc = K8sService(client, module)
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results = svc.apply(Mock(), pod_definition, mock_pod_resource_instance)
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assert isinstance(results, dict)
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assert results["changed"] is False
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assert results["diff"] == {}
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assert results["result"] == pod_definition
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def test_service_apply_existing_resource_no_apply(mock_pod_resource_instance):
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spec = {"apply.side_effect": [mock_pod_resource_instance]}
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client = Mock(**spec)
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module = Mock()
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module.params = {"apply": False}
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module.check_mode = False
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svc = K8sService(client, module)
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results = svc.apply(Mock(), pod_definition, mock_pod_resource_instance)
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assert isinstance(results, dict)
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assert results["changed"] is False
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assert results["result"] == {}
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def test_service_replace_existing_resource_no_diff(mock_pod_resource_instance):
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spec = {"replace.side_effect": [mock_pod_resource_instance]}
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client = Mock(**spec)
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module = Mock()
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module.params = {}
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module.check_mode = False
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svc = K8sService(client, module)
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results = svc.replace(Mock(), pod_definition, mock_pod_resource_instance)
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assert isinstance(results, dict)
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assert results["changed"] is False
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assert results["diff"] == {}
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assert results["result"] == pod_definition
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def test_service_replace_existing_resource(
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mock_pod_resource_instance, mock_pod_updated_resource_instance
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):
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spec = {"replace.side_effect": [mock_pod_updated_resource_instance]}
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client = Mock(**spec)
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module = Mock()
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module.params = {}
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module.check_mode = False
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svc = K8sService(client, module)
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results = svc.replace(Mock(), pod_definition_updated, mock_pod_resource_instance)
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assert isinstance(results, dict)
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assert results["changed"] is True
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assert results["result"] == pod_definition_updated
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assert results["diff"] != {}
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assert results["diff"]["before"] is not {}
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assert results["diff"]["after"] is not {}
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def test_service_update_existing_resource(
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mock_pod_resource_instance, mock_pod_updated_resource_instance
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):
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spec = {"replace.side_effect": [mock_pod_updated_resource_instance]}
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client = Mock(**spec)
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module = Mock()
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module.params = {}
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module.check_mode = False
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svc = K8sService(client, module)
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results = svc.replace(Mock(), pod_definition_updated, mock_pod_resource_instance)
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assert isinstance(results, dict)
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assert results["changed"] is True
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assert results["result"] == pod_definition_updated
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assert results["diff"] != {}
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assert results["diff"]["before"] is not {}
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assert results["diff"]["after"] is not {}
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def test_service_update_existing_resource_no_diff(mock_pod_updated_resource_instance):
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spec = {"replace.side_effect": [mock_pod_updated_resource_instance]}
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client = Mock(**spec)
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module = Mock()
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module.params = {}
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module.check_mode = False
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svc = K8sService(client, module)
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results = svc.replace(
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Mock(), pod_definition_updated, mock_pod_updated_resource_instance
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)
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assert isinstance(results, dict)
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assert results["changed"] is False
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assert results["result"] == pod_definition_updated
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assert results["diff"] == {}
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def test_service_find(mock_pod_resource_instance):
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spec = {"get.side_effect": [mock_pod_resource_instance]}
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client = Mock(**spec)
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module = Mock()
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module.params = {}
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module.check_mode = False
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svc = K8sService(client, module)
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results = svc.find("Pod", "v1", name="foo", namespace="foo")
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assert isinstance(results, dict)
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assert results["api_found"] is True
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assert results["resources"] is not []
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assert len(results["resources"]) == 1
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assert results["resources"][0] == pod_definition
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def test_service_find_error():
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spec = {"get.side_effect": [NotFoundError(Mock())]}
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client = Mock(**spec)
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module = Mock()
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module.params = {}
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module.check_mode = False
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svc = K8sService(client, module)
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results = svc.find("Pod", "v1", name="foo", namespace="foo")
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assert isinstance(results, dict)
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assert results["api_found"] is True
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assert results["resources"] == []
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