Add .artifact_filename() to external API of LocalArtifactCache

This adds a way to access the local disk path of the artifact
for an artifact.  This is necessary to be able to report it to
the user.

1 files changed, 9 insertions, 0 deletions

diff --git a/morphlib/localartifactcache_tests.py b/morphlib/localartifactcache_tests.py
index c3deb9dc..8e25e5c9 100644
--- a/morphlib/localartifactcache_tests.py
+++ b/morphlib/localartifactcache_tests.py
@@ -15,6 +15,7 @@
 
 
 import unittest
+import os
 
 import morphlib
 
@@ -52,6 +53,14 @@ class LocalArtifactCacheTests(unittest.TestCase):
     def tearDown(self):
         self.tempdir.remove()
 
+    def test_artifact_filename(self):
+        cache = morphlib.localartifactcache.LocalArtifactCache(
+            self.tempdir.dirname)
+        filename = cache.artifact_filename(self.devel_artifact)
+        expected_name = os.path.join(self.tempdir.dirname,
+                                     self.devel_artifact.basename())
+        self.assertEqual(filename, expected_name)
+
     def test_put_artifacts_and_check_whether_the_cache_has_them(self):
         cache = morphlib.localartifactcache.LocalArtifactCache(
             self.tempdir.dirname)