diff --git a/openstack_qa_tools/tests/test_collect.py b/openstack_qa_tools/tests/test_collect.py
new file mode 100644
index 0000000..1fb12b5
--- /dev/null
+++ b/openstack_qa_tools/tests/test_collect.py
@@ -0,0 +1,82 @@
+# -*- coding: utf-8 -*-
+
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+"""
+test_collect
+----------------------------------
+
+Tests for `openstack_qa_tools.collect`
+"""
+
+import functools
+import json
+import mock
+
+import fixtures
+from openstack_qa_tools import collect
+from openstack_qa_tools.tests import base
+import six
+import subunit
+import testtools
+from testtools import content as ttc
+
+
+class TestCollect(base.TestCase):
+
+    def setUp(self):
+        super(TestCollect, self).setUp()
+        self.stdout = six.BytesIO()
+        self.useFixture(fixtures.MonkeyPatch('sys.stdout', self.stdout))
+        self.attachments = []
+
+    @mock.patch('openstack_qa_tools.collectors.mysql.collect')
+    @mock.patch('openstack_qa_tools.collectors.queues.collect')
+    def test_collect_main(self, queues_mock, mysql_mock):
+        mysql_mock.return_value = {}
+        queues_mock.return_value = {}
+        collect.main(['os-collect-counters'])
+        content = json.loads(self.stdout.getvalue())
+        self.assertTrue(isinstance(content, dict))
+        self.assertIn('mysql', content)
+        self.assertIn('queues', content)
+
+    def _parse_outcome(self, test):
+        self.attachments = {}
+        for name, detail in test['details'].items():
+            name = name.split(':')[0]
+            self.attachments[name] = detail
+
+    @mock.patch('openstack_qa_tools.collectors.mysql.collect')
+    @mock.patch('openstack_qa_tools.collectors.queues.collect')
+    def test_collect_main_subunit(self, queues_mock, mysql_mock):
+        mysql_mock.return_value = {}
+        queues_mock.return_value = {}
+        collect.main(['os-collect-counters', '--subunit'])
+        self.stdout.seek(0)
+        stream = subunit.ByteStreamToStreamResult(self.stdout)
+        starts = testtools.StreamResult()
+        summary = testtools.StreamSummary()
+        outcomes = testtools.StreamToDict(
+            functools.partial(self._parse_outcome))
+        result = testtools.CopyStreamResult([starts, outcomes, summary])
+        result.startTestRun()
+        try:
+            stream.run(result)
+        finally:
+            result.stopTestRun()
+        self.assertIn('counters.json', self.attachments)
+        content = json.loads(self.attachments['counters.json'])
+        self.assertTrue(isinstance(content, dict))
+        self.assertIn('mysql', content)
+        self.assertIn('queues', content)