filesystem: add a new test for EncodedObjectSize

Suggested by taruti.

Signed-off-by: Jeremy Stribling <strib@alum.mit.edu>

Author: strib

storage/filesystem/object.go

@@ -205,9 +205,7 @@ func (s *ObjectStorage) encodedObjectSizeFromPackfile(h plumbing.Hash) (
 		if ok {
 			return obj.Size(), nil
 		}
-	}
-
-	if err != nil && err != plumbing.ErrObjectNotFound {
+	} else if err != nil && err != plumbing.ErrObjectNotFound {
 		return 0, err
 	}
 

storage/filesystem/object_test.go

@@ -107,6 +107,20 @@ func (s *FsSuite) TestGetSizeFromPackfile(c *C) {
 	})
 }
 
+func (s *FsSuite) TestGetSizeOfAllObjectFiles(c *C) {
+	fs := fixtures.ByTag(".git").One().DotGit()
+	o := NewObjectStorage(dotgit.New(fs), cache.NewObjectLRUDefault())
+
+	// Get the size of `tree_walker.go`.
+	err := o.ForEachObjectHash(func(h plumbing.Hash) error {
+		size, err := o.EncodedObjectSize(h)
+		c.Assert(err, IsNil)
+		c.Assert(size, Not(Equals), int64(0))
+		return nil
+	})
+	c.Assert(err, IsNil)
+}
+
 func (s *FsSuite) TestGetFromPackfileMultiplePackfiles(c *C) {
 	fs := fixtures.ByTag(".git").ByTag("multi-packfile").One().DotGit()
 	o := NewObjectStorage(dotgit.New(fs), cache.NewObjectLRUDefault())