Add IAM list_groups and list_groups_for_user. Closes #343.

tests/test_iam/test_iam_groups.py

@@ -0,0 +1,72 @@
+from __future__ import unicode_literals
+import boto
+import sure  # noqa
+
+from nose.tools import assert_raises
+from boto.exception import BotoServerError
+from moto import mock_iam
+
+
+@mock_iam()
+def test_create_group():
+    conn = boto.connect_iam()
+    conn.create_group('my-group')
+    with assert_raises(BotoServerError):
+        conn.create_group('my-group')
+
+
+@mock_iam()
+def test_get_group():
+    conn = boto.connect_iam()
+    conn.create_group('my-group')
+    conn.get_group('my-group')
+    with assert_raises(BotoServerError):
+        conn.get_group('not-group')
+
+
+@mock_iam()
+def test_get_all_groups():
+    conn = boto.connect_iam()
+    conn.create_group('my-group1')
+    conn.create_group('my-group2')
+    groups = conn.get_all_groups()['list_groups_response']['list_groups_result']['groups']
+    groups.should.have.length_of(2)
+
+
+@mock_iam()
+def test_add_user_to_group():
+    conn = boto.connect_iam()
+    with assert_raises(BotoServerError):
+        conn.add_user_to_group('my-group', 'my-user')
+    conn.create_group('my-group')
+    with assert_raises(BotoServerError):
+        conn.add_user_to_group('my-group', 'my-user')
+    conn.create_user('my-user')
+    conn.add_user_to_group('my-group', 'my-user')
+
+
+@mock_iam()
+def test_remove_user_from_group():
+    conn = boto.connect_iam()
+    with assert_raises(BotoServerError):
+        conn.remove_user_from_group('my-group', 'my-user')
+    conn.create_group('my-group')
+    conn.create_user('my-user')
+    with assert_raises(BotoServerError):
+        conn.remove_user_from_group('my-group', 'my-user')
+    conn.add_user_to_group('my-group', 'my-user')
+    conn.remove_user_from_group('my-group', 'my-user')
+
+
+@mock_iam()
+def test_get_groups_for_user():
+    conn = boto.connect_iam()
+    conn.create_group('my-group1')
+    conn.create_group('my-group2')
+    conn.create_group('other-group')
+    conn.create_user('my-user')
+    conn.add_user_to_group('my-group1', 'my-user')
+    conn.add_user_to_group('my-group2', 'my-user')
+
+    groups = conn.get_groups_for_user('my-user')['list_groups_for_user_response']['list_groups_for_user_result']['groups']
+    groups.should.have.length_of(2)