File: test_discoverer.py

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import pytest

from kubernetes.client import ApiClient

from openshift.dynamic import (
    DynamicClient,
    Resource,
    ResourceList,
    EagerDiscoverer,
    LazyDiscoverer
)


@pytest.fixture(scope='module')
def mock_namespace():
    return Resource(
        api_version='v1',
        kind='Namespace',
        name='namespaces',
        namespaced=False,
        preferred=True,
        prefix='api',
        shorter_names=['ns'],
        shortNames=['ns'],
        singularName='namespace',
        verbs=['create', 'delete', 'get', 'list', 'patch', 'update', 'watch']
    )

@pytest.fixture(scope='module')
def mock_templates():
    return Resource(
        api_version='v1',
        kind='Template',
        name='templates',
        namespaced=True,
        preferred=True,
        prefix='api',
        shorter_names=[],
        shortNames=[],
        verbs=['create', 'delete', 'get', 'list', 'patch', 'update', 'watch']
    )

@pytest.fixture(scope='module')
def mock_processedtemplates():
    return Resource(
        api_version='v1',
        kind='Template',
        name='processedtemplates',
        namespaced=True,
        preferred=True,
        prefix='api',
        shorter_names=[],
        shortNames=[],
        verbs=['create', 'delete', 'get', 'list', 'patch', 'update', 'watch']
    )

@pytest.fixture(scope='module')
def mock_namespace_list(mock_namespace):
    ret = ResourceList(mock_namespace.client, mock_namespace.group, mock_namespace.api_version, mock_namespace.kind)
    ret._ResourceList__base_resource = mock_namespace
    return ret


@pytest.fixture(scope='function', autouse=True)
def setup_client_monkeypatch(monkeypatch, mock_namespace, mock_namespace_list, mock_templates, mock_processedtemplates):

    def mock_load_server_info(self):
        self.__version = {'kubernetes': 'mock-k8s-version'}

    def mock_parse_api_groups(self, request_resources=False):
            return {
                'api': {
                    '': {
                        'v1': {
                            'Namespace': [mock_namespace],
                            'NamespaceList': [mock_namespace_list],
                            'Template': [mock_templates, mock_processedtemplates],
                        }
                    }
                }
            }

    monkeypatch.setattr(EagerDiscoverer, '_load_server_info', mock_load_server_info)
    monkeypatch.setattr(EagerDiscoverer, 'parse_api_groups', mock_parse_api_groups)
    monkeypatch.setattr(LazyDiscoverer, '_load_server_info', mock_load_server_info)
    monkeypatch.setattr(LazyDiscoverer, 'parse_api_groups', mock_parse_api_groups)


@pytest.fixture(params=[EagerDiscoverer, LazyDiscoverer])
def client(request):
    return DynamicClient(ApiClient(), discoverer=request.param)


@pytest.mark.parametrize(("attribute", "value"), [
    ('name', 'namespaces'),
    ('singular_name', 'namespace'),
    ('short_names', ['ns'])
])
def test_search_returns_single_and_list(client, mock_namespace, mock_namespace_list, attribute, value):
    resources = client.resources.search(**{'api_version':'v1', attribute: value})

    assert len(resources) == 2
    assert mock_namespace in resources
    assert mock_namespace_list in resources


@pytest.mark.parametrize(("attribute", "value"), [
    ('kind', 'Namespace'),
    ('name', 'namespaces'),
    ('singular_name', 'namespace'),
    ('short_names', ['ns'])
])
def test_get_returns_only_single(client, mock_namespace, attribute, value):
    resource = client.resources.get(**{'api_version':'v1', attribute: value})

    assert resource == mock_namespace


def test_get_namespace_list_kind(client, mock_namespace_list):
    resource = client.resources.get(api_version='v1', kind='NamespaceList')

    assert resource == mock_namespace_list


def test_search_multiple_resources_for_template(client, mock_templates, mock_processedtemplates):
    resources = client.resources.search(api_version='v1', kind='Template')

    assert len(resources) == 2
    assert mock_templates in resources
    assert mock_processedtemplates in resources