1 files changed, 151 insertions, 0 deletions
diff --git a/tests/unittests/test_datasource/test_maas.py b/tests/unittests/test_datasource/test_maas.py
new file mode 100644
index 00000000..d0e121d6
--- /dev/null
+++ b/tests/unittests/test_datasource/test_maas.py
@@ -0,0 +1,151 @@
+from tempfile import mkdtemp
+from shutil import rmtree
+import os
+from StringIO import StringIO
+from copy import copy
+from cloudinit.DataSourceMaaS import (
+    MaasSeedDirNone,
+    MaasSeedDirMalformed,
+    read_maas_seed_dir,
+    read_maas_seed_url,
+)
+from mocker import MockerTestCase
+
+
+class TestMaasDataSource(MockerTestCase):
+
+    def setUp(self):
+        super(TestMaasDataSource, self).setUp()
+        # Make a temp directoy for tests to use.
+        self.tmp = mkdtemp(prefix="unittest_")
+
+    def tearDown(self):
+        super(TestMaasDataSource, self).tearDown()
+        # Clean up temp directory
+        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'}
+
+        my_d = os.path.join(self.tmp, "valid")
+        populate_dir(my_d, data)
+
+        (userdata, metadata) = read_maas_seed_dir(my_d)
+
+        self.assertEqual(userdata, data['user-data'])
+        for key in ('instance-id', 'local-hostname'):
+            self.assertEqual(data[key], metadata[key])
+
+        # verify that 'userdata' is not returned as part of the metadata
+        self.assertFalse(('user-data' in metadata))
+
+    def test_seed_dir_valid_extra(self):
+        """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'}
+
+        my_d = os.path.join(self.tmp, "valid_extra")
+        populate_dir(my_d, data)
+
+        (userdata, metadata) = read_maas_seed_dir(my_d)
+
+        self.assertEqual(userdata, data['user-data'])
+        for key in ('instance-id', 'local-hostname'):
+            self.assertEqual(data[key], metadata[key])
+
+        # additional files should not just appear as keys in metadata atm
+        self.assertFalse(('foo' in metadata))
+
+    def test_seed_dir_invalid(self):
+        """Verify that invalid seed_dir raises MaasSeedDirMalformed"""
+
+        valid = {'instance-id': 'i-instanceid',
+            'local-hostname': 'test-hostname', 'user-data': ''}
+
+        my_based = os.path.join(self.tmp, "valid_extra")
+
+        # missing 'userdata' file
+        my_d = "%s-01" % my_based
+        invalid_data = copy(valid)
+        del invalid_data['local-hostname']
+        populate_dir(my_d, invalid_data)
+        self.assertRaises(MaasSeedDirMalformed, read_maas_seed_dir, my_d)
+
+        # missing 'instance-id'
+        my_d = "%s-02" % my_based
+        invalid_data = copy(valid)
+        del invalid_data['instance-id']
+        populate_dir(my_d, invalid_data)
+        self.assertRaises(MaasSeedDirMalformed, read_maas_seed_dir, my_d)
+
+    def test_seed_dir_none(self):
+        """Verify that empty seed_dir raises MaasSeedDirNone"""
+
+        my_d = os.path.join(self.tmp, "valid_empty")
+        self.assertRaises(MaasSeedDirNone, read_maas_seed_dir, my_d)
+
+    def test_seed_dir_missing(self):
+        """Verify that missing seed_dir raises MaasSeedDirNone"""
+        self.assertRaises(MaasSeedDirNone, 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',
+            'meta-data/local-hostname': 'test-hostname',
+            'user-data': 'foodata'}
+
+        my_seed = "http://example.com/xmeta"
+        my_ver = "1999-99-99"
+        my_headers = {'header1': 'value1', 'header2': 'value2'}
+
+        def my_headers_cb(url):
+            return(my_headers)
+
+        mock_request = self.mocker.replace("urllib2.Request",
+            passthrough=False)
+        mock_urlopen = self.mocker.replace("urllib2.urlopen",
+            passthrough=False)
+
+        for (key, val) in valid.iteritems():
+            mock_request("%s/%s/%s" % (my_seed, my_ver, key),
+                data=None, headers=my_headers)
+            self.mocker.nospec()
+            self.mocker.result("fake-request-%s" % key)
+            mock_urlopen("fake-request-%s" % key, timeout=None)
+            self.mocker.result(StringIO(val))
+
+        self.mocker.replay()
+
+        (userdata, metadata) = 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'])
+
+    def test_seed_url_invalid(self):
+        """Verify that invalid seed_url raises MaasSeedDirMalformed"""
+        pass
+
+    def test_seed_url_missing(self):
+        """Verify seed_url with no found entries raises MaasSeedDirNone"""
+        pass
+
+
+def populate_dir(seed_dir, files):
+    os.mkdir(seed_dir)
+    for (name, content) in files.iteritems():
+        with open(os.path.join(seed_dir, name), "w") as fp:
+            fp.write(content)
+            fp.close()
+
+# vi: ts=4 expandtab