Added basic unit tests.

Fixes issue #33.

1 files changed, 38 insertions, 0 deletions

diff --git a/test/util.py b/test/util.py
new file mode 100644
index 0000000..48ec995
--- /dev/null
+++ b/test/util.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+import subprocess
+import pytest
+import os
+import time
+
+def wait_for_mount(mount_process, mnt_dir):
+    elapsed = 0
+    while elapsed < 30:
+        if os.path.ismount(mnt_dir):
+            return True
+        if mount_process.poll() is not None:
+            pytest.fail('file system process terminated prematurely')
+        time.sleep(0.1)
+        elapsed += 0.1
+    pytest.fail("mountpoint failed to come up")
+
+def cleanup(mnt_dir):
+    subprocess.call(['fusermount', '-z', '-u', mnt_dir],
+                    stdout=subprocess.DEVNULL,
+                    stderr=subprocess.STDOUT)
+
+def umount(mount_process, mnt_dir):
+    subprocess.check_call(['fusermount', '-z', '-u', mnt_dir])
+    assert not os.path.ismount(mnt_dir)
+
+    # Give mount process a little while to terminate. Popen.wait(timeout)
+    # was only added in 3.3...
+    elapsed = 0
+    while elapsed < 30:
+        code = mount_process.poll()
+        if code is not None:
+            if code == 0:
+                return
+            pytest.fail('file system process terminated with code %s' % (code,))
+        time.sleep(0.1)
+        elapsed += 0.1
+    pytest.fail('mount process did not terminate')