1 files changed, 52 insertions, 0 deletions
diff --git a/src/ceph-volume/ceph_volume/tests/devices/lvm/test_create.py b/src/ceph-volume/ceph_volume/tests/devices/lvm/test_create.py
new file mode 100644
index 000000000..1665d76c3
--- /dev/null
+++ b/src/ceph-volume/ceph_volume/tests/devices/lvm/test_create.py
@@ -0,0 +1,52 @@
+import pytest
+from ceph_volume.devices import lvm
+from mock import patch
+
+
+class TestCreate(object):
+
+    def test_main_spits_help_with_no_arguments(self, capsys):
+        lvm.create.Create([]).main()
+        stdout, stderr = capsys.readouterr()
+        assert 'Create an OSD by assigning an ID and FSID' in stdout
+
+    def test_main_shows_full_help(self, capsys):
+        with pytest.raises(SystemExit):
+            lvm.create.Create(argv=['--help']).main()
+        stdout, stderr = capsys.readouterr()
+        assert 'Use the filestore objectstore' in stdout
+        assert 'Use the bluestore objectstore' in stdout
+        assert 'A physical device or logical' in stdout
+
+    @patch('ceph_volume.util.disk.has_bluestore_label', return_value=False)
+    def test_excludes_filestore_bluestore_flags(self, m_has_bs_label, fake_call, capsys, device_info):
+        device_info()
+        with pytest.raises(SystemExit):
+            lvm.create.Create(argv=['--data', '/dev/sdfoo', '--filestore', '--bluestore']).main()
+        stdout, stderr = capsys.readouterr()
+        expected = 'Cannot use --filestore (filestore) with --bluestore (bluestore)'
+        assert expected in stderr
+
+    @patch('ceph_volume.util.disk.has_bluestore_label', return_value=False)
+    def test_excludes_other_filestore_bluestore_flags(self, m_has_bs_label, fake_call, capsys, device_info):
+        device_info()
+        with pytest.raises(SystemExit):
+            lvm.create.Create(argv=[
+                '--bluestore', '--data', '/dev/sdfoo',
+                '--journal', '/dev/sf14',
+            ]).main()
+        stdout, stderr = capsys.readouterr()
+        expected = 'Cannot use --bluestore (bluestore) with --journal (filestore)'
+        assert expected in stderr
+
+    @patch('ceph_volume.util.disk.has_bluestore_label', return_value=False)
+    def test_excludes_block_and_journal_flags(self, m_has_bs_label, fake_call, capsys, device_info):
+        device_info()
+        with pytest.raises(SystemExit):
+            lvm.create.Create(argv=[
+                '--bluestore', '--data', '/dev/sdfoo', '--block.db', 'vg/ceph1',
+                '--journal', '/dev/sf14',
+            ]).main()
+        stdout, stderr = capsys.readouterr()
+        expected = 'Cannot use --block.db (bluestore) with --journal (filestore)'
+        assert expected in stderr