1 files changed, 43 insertions, 0 deletions
diff --git a/tests/storage/devicelibs/baseclass.py b/tests/storage/devicelibs/baseclass.py
new file mode 100644
index 000000000..d1264f5b6
--- /dev/null
+++ b/tests/storage/devicelibs/baseclass.py
@@ -0,0 +1,43 @@
+import unittest
+import os
+import subprocess
+
+class TestDevicelibs(unittest.TestCase):
+
+    _LOOP_DEVICES = (("/dev/loop0", "/tmp/test-virtdev0"),
+                     ("/dev/loop1", "/tmp/test-virtdev1"))
+
+    ((_LOOP_DEV0, _LOOP_FILE0), (_LOOP_DEV1, _LOOP_FILE1)) = _LOOP_DEVICES
+
+    def setUp(self):
+        for dev, file in self._LOOP_DEVICES:
+            proc = subprocess.Popen(["dd", "if=/dev/zero", "of=%s" % file, "bs=1024", "count=102400"])
+            while True:
+                proc.communicate()
+                if proc.returncode is not None:
+                    rc = proc.returncode
+                    break
+            if rc:
+                raise OSError, "dd failed creating the file %s" % file
+            
+            proc = subprocess.Popen(["losetup", dev, file])
+            while True:
+                proc.communicate()
+                if proc.returncode is not None:
+                    rc = proc.returncode
+                    break
+            if rc:
+                raise OSError, "losetup failed setting up the loop device %s" % dev
+
+    def tearDown(self):
+        for dev, file in self._LOOP_DEVICES:
+            proc = subprocess.Popen(["losetup", "-d", dev])
+            while True:
+                proc.communicate()
+                if proc.returncode is not None:
+                    rc = proc.returncode
+                    break
+            if rc:
+                raise OSError, "losetup failed removing the loop device %s" % dev
+
+            os.remove(file)