diff options
Diffstat (limited to 'tests/unittests/test_datasource/test_maas.py')
-rw-r--r-- | tests/unittests/test_datasource/test_maas.py | 92 |
1 files changed, 55 insertions, 37 deletions
diff --git a/tests/unittests/test_datasource/test_maas.py b/tests/unittests/test_datasource/test_maas.py index c157beb8..77d15cac 100644 --- a/tests/unittests/test_datasource/test_maas.py +++ b/tests/unittests/test_datasource/test_maas.py @@ -1,27 +1,33 @@ from copy import copy import os +import shutil +import tempfile from cloudinit.sources import DataSourceMAAS from cloudinit import url_helper -from ..helpers import populate_dir +from ..helpers import TestCase, populate_dir -import mocker +try: + from unittest import mock +except ImportError: + import mock -class TestMAASDataSource(mocker.MockerTestCase): +class TestMAASDataSource(TestCase): def setUp(self): super(TestMAASDataSource, self).setUp() # Make a temp directoy for tests to use. - self.tmp = self.makeDir() + self.tmp = tempfile.mkdtemp() + self.addCleanup(shutil.rmtree, self.tmp) def test_seed_dir_valid(self): """Verify a valid seeddir is read as such.""" data = {'instance-id': 'i-valid01', - 'local-hostname': 'valid01-hostname', - 'user-data': 'valid01-userdata', - 'public-keys': 'ssh-rsa AAAAB3Nz...aC1yc2E= keyname'} + 'local-hostname': 'valid01-hostname', + 'user-data': b'valid01-userdata', + 'public-keys': 'ssh-rsa AAAAB3Nz...aC1yc2E= keyname'} my_d = os.path.join(self.tmp, "valid") populate_dir(my_d, data) @@ -39,8 +45,8 @@ class TestMAASDataSource(mocker.MockerTestCase): """Verify extra files do not affect seed_dir validity.""" data = {'instance-id': 'i-valid-extra', - 'local-hostname': 'valid-extra-hostname', - 'user-data': 'valid-extra-userdata', 'foo': 'bar'} + 'local-hostname': 'valid-extra-hostname', + 'user-data': b'valid-extra-userdata', 'foo': 'bar'} my_d = os.path.join(self.tmp, "valid_extra") populate_dir(my_d, data) @@ -58,7 +64,7 @@ class TestMAASDataSource(mocker.MockerTestCase): """Verify that invalid seed_dir raises MAASSeedDirMalformed.""" valid = {'instance-id': 'i-instanceid', - 'local-hostname': 'test-hostname', 'user-data': ''} + 'local-hostname': 'test-hostname', 'user-data': ''} my_based = os.path.join(self.tmp, "valid_extra") @@ -88,21 +94,23 @@ class TestMAASDataSource(mocker.MockerTestCase): def test_seed_dir_missing(self): """Verify that missing seed_dir raises MAASSeedDirNone.""" self.assertRaises(DataSourceMAAS.MAASSeedDirNone, - DataSourceMAAS.read_maas_seed_dir, - os.path.join(self.tmp, "nonexistantdirectory")) + DataSourceMAAS.read_maas_seed_dir, + os.path.join(self.tmp, "nonexistantdirectory")) def test_seed_url_valid(self): """Verify that valid seed_url is read as such.""" - valid = {'meta-data/instance-id': 'i-instanceid', + valid = { + 'meta-data/instance-id': 'i-instanceid', 'meta-data/local-hostname': 'test-hostname', 'meta-data/public-keys': 'test-hostname', - 'user-data': 'foodata'} + 'user-data': b'foodata', + } valid_order = [ 'meta-data/local-hostname', 'meta-data/instance-id', 'meta-data/public-keys', 'user-data', - ] + ] my_seed = "http://example.com/xmeta" my_ver = "1999-99-99" my_headers = {'header1': 'value1', 'header2': 'value2'} @@ -110,28 +118,38 @@ class TestMAASDataSource(mocker.MockerTestCase): def my_headers_cb(url): return my_headers - mock_request = self.mocker.replace(url_helper.readurl, - passthrough=False) - - for key in valid_order: - url = "%s/%s/%s" % (my_seed, my_ver, key) - mock_request(url, headers=None, timeout=mocker.ANY, - data=mocker.ANY, sec_between=mocker.ANY, - ssl_details=mocker.ANY, retries=mocker.ANY, - headers_cb=my_headers_cb, - exception_cb=mocker.ANY) - resp = valid.get(key) - self.mocker.result(url_helper.StringResponse(resp)) - self.mocker.replay() - - (userdata, metadata) = DataSourceMAAS.read_maas_seed_url(my_seed, - header_cb=my_headers_cb, version=my_ver) - - self.assertEqual("foodata", userdata) - self.assertEqual(metadata['instance-id'], - valid['meta-data/instance-id']) - self.assertEqual(metadata['local-hostname'], - valid['meta-data/local-hostname']) + # Each time url_helper.readurl() is called, something different is + # returned based on the canned data above. We need to build up a list + # of side effect return values, which the mock will return. At the + # same time, we'll build up a list of expected call arguments for + # asserting after the code under test is run. + calls = [] + + def side_effect(): + for key in valid_order: + resp = valid.get(key) + url = "%s/%s/%s" % (my_seed, my_ver, key) + calls.append( + mock.call(url, headers=None, timeout=mock.ANY, + data=mock.ANY, sec_between=mock.ANY, + ssl_details=mock.ANY, retries=mock.ANY, + headers_cb=my_headers_cb, + exception_cb=mock.ANY)) + yield url_helper.StringResponse(resp) + + # Now do the actual call of the code under test. + with mock.patch.object(url_helper, 'readurl', + side_effect=side_effect()) as mockobj: + userdata, metadata = DataSourceMAAS.read_maas_seed_url( + my_seed, version=my_ver) + + self.assertEqual(b"foodata", userdata) + self.assertEqual(metadata['instance-id'], + valid['meta-data/instance-id']) + self.assertEqual(metadata['local-hostname'], + valid['meta-data/local-hostname']) + + mockobj.has_calls(calls) def test_seed_url_invalid(self): """Verify that invalid seed_url raises MAASSeedDirMalformed.""" |