tests: disable Ming test if Ming unavailable

And remove Ming from test-requires, as requested by infra/release team.

Fixes: bug#1158405

Change-Id: I83023ca865b54c5c94bf118122914c7e89e007c8
Signed-off-by: Julien Danjou <julien@danjou.info>

ceilometer/storage/impl_test.py

@@ -21,7 +21,12 @@ This driver is based on MIM, an in-memory version of MongoDB.
 """
 
 import os
-from ming import mim
+import nose
+
+try:
+    from ming import mim
+except ImportError:
+    mim = None
 
 from ceilometer.openstack.common import log as logging
 
@@ -103,6 +108,22 @@ class TestConnection(impl_mongodb.Connection):
             # MIM will die if we have too many connections, so use a
             # Singleton
             if TestConnection._mim_instance is None:
-                LOG.debug('Creating a new MIM Connection object')
-                TestConnection._mim_instance = mim.Connection()
+                if mim:
+                    LOG.debug('Creating a new MIM Connection object')
+                    TestConnection._mim_instance = mim.Connection()
+                else:
+                    raise nose.SkipTest("Ming not found")
             return TestConnection._mim_instance
+
+
+def require_map_reduce(conn):
+    """Raises SkipTest if the connection is using mim.
+    """
+    # NOTE(dhellmann): mim requires spidermonkey to implement the
+    # map-reduce functions, so if we can't import it then just
+    # skip these tests unless we aren't using mim.
+    try:
+        import spidermonkey
+    except BaseException:
+        if isinstance(conn.conn, mim.Connection):
+            raise skip.SkipTest('requires spidermonkey')

ceilometer/tests/db.py

@@ -20,7 +20,6 @@
 
 """Base classes for API tests."""
 
-from ming import mim
 from nose.plugins import skip
 from oslo.config import cfg
 
@@ -43,16 +42,3 @@ class TestBase(test_base.TestCase):
         self.conn = storage.get_connection(cfg.CONF)
         self.conn.upgrade()
         self.conn.clear()
-
-
-def require_map_reduce(conn):
-    """Raises SkipTest if the connection is using mim.
-    """
-    # NOTE(dhellmann): mim requires spidermonkey to implement the
-    # map-reduce functions, so if we can't import it then just
-    # skip these tests unless we aren't using mim.
-    try:
-        import spidermonkey
-    except BaseException:
-        if isinstance(conn.conn, mim.Connection):
-            raise skip.SkipTest('requires spidermonkey')

tests/api/v1/max_project_volume.py

@@ -27,7 +27,7 @@ from ceilometer.collector import meter
 from ceilometer import counter
 
 from ceilometer.tests import api as tests_api
-from ceilometer.tests.db import require_map_reduce
+from ceilometer.storage.impl_test import require_map_reduce
 
 
 class TestMaxProjectVolume(tests_api.TestBase):

tests/api/v1/test_max_resource_volume.py

@@ -26,7 +26,7 @@ from ceilometer.collector import meter
 from ceilometer import counter
 
 from ceilometer.tests import api as tests_api
-from ceilometer.tests.db import require_map_reduce
+from ceilometer.storage.impl_test import require_map_reduce
 
 
 class TestMaxResourceVolume(tests_api.TestBase):

tests/api/v1/test_sum_project_volume.py

@@ -27,7 +27,7 @@ from ceilometer.collector import meter
 from ceilometer import counter
 
 from ceilometer.tests import api as tests_api
-from ceilometer.tests.db import require_map_reduce
+from ceilometer.storage.impl_test import require_map_reduce
 
 
 class TestSumProjectVolume(tests_api.TestBase):

tests/api/v1/test_sum_resource_volume.py

@@ -27,7 +27,7 @@ from ceilometer.collector import meter
 from ceilometer import counter
 
 from ceilometer.tests import api as tests_api
-from ceilometer.tests.db import require_map_reduce
+from ceilometer.storage.impl_test import require_map_reduce
 
 
 class TestSumResourceVolume(tests_api.TestBase):

tests/api/v2/test_max_project_volume.py

@@ -25,7 +25,7 @@ from oslo.config import cfg
 from ceilometer.collector import meter
 from ceilometer import counter
 
-from ceilometer.tests.db import require_map_reduce
+from ceilometer.storage.impl_test import require_map_reduce
 
 from .base import FunctionalTest
 

tests/api/v2/test_max_resource_volume.py

@@ -26,7 +26,7 @@ from ceilometer.collector import meter
 from ceilometer import counter
 
 from .base import FunctionalTest
-from ceilometer.tests.db import require_map_reduce
+from ceilometer.storage.impl_test import require_map_reduce
 
 
 class TestMaxResourceVolume(FunctionalTest):

tests/api/v2/test_sum_project_volume.py

@@ -26,7 +26,7 @@ from ceilometer.collector import meter
 from ceilometer import counter
 
 from .base import FunctionalTest
-from ceilometer.tests.db import require_map_reduce
+from ceilometer.storage.impl_test import require_map_reduce
 
 
 class TestSumProjectVolume(FunctionalTest):

tests/api/v2/test_sum_resource_volume.py

@@ -26,7 +26,7 @@ from ceilometer.collector import meter
 from ceilometer import counter
 
 from .base import FunctionalTest
-from ceilometer.tests.db import require_map_reduce
+from ceilometer.storage.impl_test import require_map_reduce
 
 
 class TestSumResourceVolume(FunctionalTest):

tests/storage/test_impl_mongodb.py

@@ -54,8 +54,7 @@ from tests.storage import base
 
 from ceilometer.collector import meter
 from ceilometer import counter
-from ceilometer.storage.impl_test import TestConnection
-from ceilometer.tests.db import require_map_reduce
+from ceilometer.storage.impl_test import TestConnection, require_map_reduce
 
 
 class MongoDBEngine(base.DBEngineBase):

tools/test-requires

@@ -7,7 +7,7 @@ Babel>=0.9.6
 # NOTE(dhellmann): Ming is necessary to provide the Mongo-in-memory
 # implementation of MongoDB.
 # NOTE(jd): the support for finalize in map reduce in MIM is not yet merged
-git+http://git.naquadah.org/git/~jd/merciless.git#egg=Ming
+# git+http://git.naquadah.org/git/~jd/merciless.git#egg=Ming
 http://tarballs.openstack.org/nova/nova-master.tar.gz
 http://tarballs.openstack.org/glance/glance-master.tar.gz
 setuptools-git>=0.4

tools/test-requires-folsom

@@ -7,7 +7,7 @@ mox
 # NOTE(dhellmann): Ming is necessary to provide the Mongo-in-memory
 # implementation of MongoDB.
 # NOTE(jd): the support for finalize in map reduce in MIM is not yet merged
-git+http://git.naquadah.org/git/~jd/merciless.git#egg=Ming
+# git+http://git.naquadah.org/git/~jd/merciless.git#egg=Ming
 http://tarballs.openstack.org/glance/glance-stable-folsom.tar.gz
 setuptools-git>=0.4
 # 1.7.4 is the Folsom release