From 7fc58f72d6ae55b06e0d109f811050cb4020accc Mon Sep 17 00:00:00 2001
From: Tristan Maat <tristan.maat@codethink.co.uk>
Date: Tue, 15 Aug 2017 11:51:15 +0100
Subject: mount_simple.py: Add mount tests

---
 tests/sandboxes/mounting/mount_simple.py | 52 ++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 tests/sandboxes/mounting/mount_simple.py

(limited to 'tests/sandboxes/mounting')

diff --git a/tests/sandboxes/mounting/mount_simple.py b/tests/sandboxes/mounting/mount_simple.py
new file mode 100644
index 000000000..6ac4f3a2d
--- /dev/null
+++ b/tests/sandboxes/mounting/mount_simple.py
@@ -0,0 +1,52 @@
+import os
+import tempfile
+from contextlib import ExitStack
+
+import pytest
+
+from buildstream.sandbox._mount import Mount
+
+
+@pytest.mark.skipif(not os.geteuid() == 0, reason="requires root permissions")
+def test_bind_mount():
+    with ExitStack() as stack:
+        src = stack.enter_context(tempfile.TemporaryDirectory())
+        target = stack.enter_context(tempfile.TemporaryDirectory())
+
+        with open(os.path.join(src, 'test'), 'a') as test:
+            test.write('Test')
+
+        with Mount.bind_mount(target, src) as dest:
+            # Ensure we get the correct path back
+            assert dest == target
+
+            # Ensure we can access files from src from target
+            with open(os.path.join(target, 'test'), 'r') as test:
+                assert test.read() == 'Test'
+
+        # Ensure the files from src are gone from target
+        with pytest.raises(FileNotFoundError):
+            with open(os.path.join(target, 'test'), 'r') as test:
+                # Actual contents don't matter
+                pass
+
+        # Ensure the files in src are still in src
+        with open(os.path.join(src, 'test'), 'r') as test:
+            assert test.read() == 'Test'
+
+
+@pytest.mark.skipif(not os.geteuid() == 0, reason="requires root permissions")
+def test_mount_proc():
+    with ExitStack() as stack:
+        src = '/proc'
+        target = stack.enter_context(tempfile.TemporaryDirectory())
+
+        with Mount.mount(target, src, mount_type='proc', ro=True) as dest:
+            # Ensure we get the correct path back
+            assert dest == target
+
+            # Ensure /proc is actually mounted
+            assert os.listdir(src) == os.listdir(target)
+
+        # Ensure /proc is unmounted correctly
+        assert os.listdir(target) == []
-- 
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