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diff --git a/src/ceph/src/ceph-volume/ceph_volume/tests/test_main.py b/src/ceph/src/ceph-volume/ceph_volume/tests/test_main.py
new file mode 100644
index 0000000..db1a499
--- /dev/null
+++ b/src/ceph/src/ceph-volume/ceph_volume/tests/test_main.py
@@ -0,0 +1,39 @@
+import os
+import pytest
+from ceph_volume import main
+
+
+class TestVolume(object):
+
+    def test_main_spits_help_with_no_arguments(self, capsys):
+        main.Volume(argv=[])
+        stdout, stderr = capsys.readouterr()
+        assert 'Log Path' in stdout
+
+    def test_warn_about_using_help_for_full_options(self, capsys):
+        main.Volume(argv=[])
+        stdout, stderr = capsys.readouterr()
+        assert 'See "ceph-volume --help" for full list' in stdout
+
+    def test_environ_vars_show_up(self, capsys):
+        os.environ['CEPH_CONF'] = '/opt/ceph.conf'
+        main.Volume(argv=[])
+        stdout, stderr = capsys.readouterr()
+        assert 'CEPH_CONF' in stdout
+        assert '/opt/ceph.conf' in stdout
+
+    def test_flags_are_parsed_with_help(self, capsys):
+        with pytest.raises(SystemExit):
+            main.Volume(argv=['ceph-volume', '--help'])
+        stdout, stderr = capsys.readouterr()
+        assert '--cluster' in stdout
+        assert '--log-path' in stdout
+
+    def test_log_ignoring_missing_ceph_conf(self, caplog):
+        with pytest.raises(SystemExit) as error:
+            main.Volume(argv=['ceph-volume', '--cluster', 'barnacle', 'lvm', '--help'])
+        # make sure we aren't causing an actual error
+        assert error.value.code == 0
+        log = caplog.records[0]
+        assert log.message == 'ignoring inability to load ceph.conf'
+        assert log.levelname == 'ERROR'