tests: add a test for git.foo( istream=fh )

This test runs the equivalent of:

	"git hash-object < fixtures/cat_file_blob"

with the new istream mechanism and compares the computed hash.

Signed-off-by: David Aguilar <davvid@gmail.com>

Author: davvid

test/git/test_git.py

@@ -25,3 +25,10 @@ def test_it_transforms_kwargs_into_git_command_arguments(self):
 
     def test_it_executes_git_to_shell_and_returns_result(self):
         assert_match('^git version [\d\.]*$', self.git.execute(["git","version"]))
+
+    def test_it_accepts_stdin(self):
+        filename = fixture_path("cat_file_blob")
+        fh = open(filename, 'r')
+        assert_equal( "70c379b63ffa0795fdbfbc128e5a2818397b7ef8",
+                      self.git.hash_object(istream=fh, stdin=True) )
+        fh.close()

test/testlib/helper.py

@@ -1,10 +1,13 @@
 import os
 
-GIT_REPO = os.path.join(os.path.dirname(__file__), "..", "..")
+GIT_REPO = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
 
-def fixture(name):    
-    file = open(os.path.join(os.path.dirname(__file__), "..", "fixtures", name))
-    return file.read()
+def fixture_path(name):
+    test_dir = os.path.dirname( os.path.dirname(__file__) )
+    return os.path.join(test_dir, "fixtures", name)
+
+def fixture(name):
+    return open(fixture_path(name)).read()
 
 def absolute_project_path():
-    return os.path.abspath(os.path.join(os.path.dirname(__file__), "..", ".."))
+    return os.path.abspath(os.path.join(os.path.dirname(__file__), "..", ".."))