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From: Dave Borowitz <dborowitz@xxxxxxxxxx>

Change-Id: I1ecbf794e81a5934bb4cf72b3059557b81ad7964
---
 dulwich/tests/test_diff_tree.py |   98 +++++++++++++++++++--------------------
 1 files changed, 47 insertions(+), 51 deletions(-)

diff --git a/dulwich/tests/test_diff_tree.py b/dulwich/tests/test_diff_tree.py
index d4332b5..9181f8c 100644
--- a/dulwich/tests/test_diff_tree.py
+++ b/dulwich/tests/test_diff_tree.py
@@ -44,6 +44,9 @@ from dulwich.tests.utils import (
     make_object,
     )
 
+# Shorthand mode for Files.
+F = 0100644
+
 
 class DiffTestCase(TestCase):
 
@@ -53,7 +56,12 @@ class DiffTestCase(TestCase):
 
     def commit_tree(self, blobs):
         commit_blobs = []
-        for path, blob, mode in blobs:
+        for entry in blobs:
+            if len(entry) == 2:
+                path, blob = entry
+                mode = F
+            else:
+                path, blob, mode = entry
             self.store.add_object(blob)
             commit_blobs.append((path, blob.id, mode))
         return self.store[commit_tree(self.store, commit_blobs)]
@@ -110,15 +118,13 @@ class TreeChangesTest(DiffTestCase):
 
     def test_tree_changes_no_changes(self):
         blob = make_object(Blob, data='blob')
-        tree = self.commit_tree([('a', blob, 0100644),
-                                 ('b/c', blob, 0100644)])
+        tree = self.commit_tree([('a', blob), ('b/c', blob)])
         self.assertChangesEqual([], self.empty_tree, self.empty_tree)
         self.assertChangesEqual([], tree, tree)
         self.assertChangesEqual(
-          [TreeChange(CHANGE_UNCHANGED, ('a', 0100644, blob.id),
-                      ('a', 0100644, blob.id)),
-           TreeChange(CHANGE_UNCHANGED, ('b/c', 0100644, blob.id),
-                      ('b/c', 0100644, blob.id))],
+          [TreeChange(CHANGE_UNCHANGED, ('a', F, blob.id), ('a', F, blob.id)),
+           TreeChange(CHANGE_UNCHANGED, ('b/c', F, blob.id),
+                      ('b/c', F, blob.id))],
           tree, tree, want_unchanged=True)
 
     def test_tree_changes_add_delete(self):
@@ -138,11 +144,11 @@ class TreeChangesTest(DiffTestCase):
     def test_tree_changes_modify_contents(self):
         blob_a1 = make_object(Blob, data='a1')
         blob_a2 = make_object(Blob, data='a2')
-        tree1 = self.commit_tree([('a', blob_a1, 0100644)])
-        tree2 = self.commit_tree([('a', blob_a2, 0100644)])
+        tree1 = self.commit_tree([('a', blob_a1)])
+        tree2 = self.commit_tree([('a', blob_a2)])
         self.assertChangesEqual(
-          [TreeChange(CHANGE_MODIFY, ('a', 0100644, blob_a1.id),
-                      ('a', 0100644, blob_a2.id))], tree1, tree2)
+          [TreeChange(CHANGE_MODIFY, ('a', F, blob_a1.id),
+                      ('a', F, blob_a2.id))], tree1, tree2)
 
     def test_tree_changes_modify_mode(self):
         blob_a = make_object(Blob, data='a')
@@ -165,11 +171,11 @@ class TreeChangesTest(DiffTestCase):
     def test_tree_changes_to_tree(self):
         blob_a = make_object(Blob, data='a')
         blob_x = make_object(Blob, data='x')
-        tree1 = self.commit_tree([('a', blob_a, 0100644)])
-        tree2 = self.commit_tree([('a/x', blob_x, 0100644)])
+        tree1 = self.commit_tree([('a', blob_a)])
+        tree2 = self.commit_tree([('a/x', blob_x)])
         self.assertChangesEqual(
-          [TreeChange.delete(('a', 0100644, blob_a.id)),
-           TreeChange.add(('a/x', 0100644, blob_x.id))],
+          [TreeChange.delete(('a', F, blob_a.id)),
+           TreeChange.add(('a/x', F, blob_x.id))],
           tree1, tree2)
 
     def test_tree_changes_complex(self):
@@ -179,11 +185,11 @@ class TreeChangesTest(DiffTestCase):
         blob_by1_1 = make_object(Blob, data='by1_1')
         blob_by2_1 = make_object(Blob, data='by2_1')
         tree1 = self.commit_tree([
-          ('a', blob_a_1, 0100644),
-          ('b/x/1', blob_bx1_1, 0100644),
-          ('b/x/2', blob_bx2_1, 0100644),
-          ('b/y/1', blob_by1_1, 0100644),
-          ('b/y/2', blob_by2_1, 0100644),
+          ('a', blob_a_1),
+          ('b/x/1', blob_bx1_1),
+          ('b/x/2', blob_bx2_1),
+          ('b/y/1', blob_by1_1),
+          ('b/y/2', blob_by2_1),
           ])
 
         blob_a_2 = make_object(Blob, data='a1_2')
@@ -191,52 +197,42 @@ class TreeChangesTest(DiffTestCase):
         blob_by_2 = make_object(Blob, data='by_2')
         blob_c_2 = make_object(Blob, data='c_2')
         tree2 = self.commit_tree([
-          ('a', blob_a_2, 0100644),
-          ('b/x/1', blob_bx1_2, 0100644),
-          ('b/y', blob_by_2, 0100644),
-          ('c', blob_c_2, 0100644),
+          ('a', blob_a_2),
+          ('b/x/1', blob_bx1_2),
+          ('b/y', blob_by_2),
+          ('c', blob_c_2),
           ])
 
         self.assertChangesEqual(
-          [TreeChange(CHANGE_MODIFY, ('a', 0100644, blob_a_1.id),
-                      ('a', 0100644, blob_a_2.id)),
-           TreeChange.delete(('b/x/2', 0100644, blob_bx2_1.id)),
-           TreeChange.add(('b/y', 0100644, blob_by_2.id)),
-           TreeChange.delete(('b/y/1', 0100644, blob_by1_1.id)),
-           TreeChange.delete(('b/y/2', 0100644, blob_by2_1.id)),
-           TreeChange.add(('c', 0100644, blob_c_2.id))],
+          [TreeChange(CHANGE_MODIFY, ('a', F, blob_a_1.id),
+                      ('a', F, blob_a_2.id)),
+           TreeChange.delete(('b/x/2', F, blob_bx2_1.id)),
+           TreeChange.add(('b/y', F, blob_by_2.id)),
+           TreeChange.delete(('b/y/1', F, blob_by1_1.id)),
+           TreeChange.delete(('b/y/2', F, blob_by2_1.id)),
+           TreeChange.add(('c', F, blob_c_2.id))],
           tree1, tree2)
 
     def test_tree_changes_name_order(self):
         blob = make_object(Blob, data='a')
-        tree1 = self.commit_tree([
-          ('a', blob, 0100644),
-          ('a.', blob, 0100644),
-          ('a..', blob, 0100644),
-          ])
+        tree1 = self.commit_tree([('a', blob), ('a.', blob), ('a..', blob)])
         # Tree order is the reverse of this, so if we used tree order, 'a..'
         # would not be merged.
-        tree2 = self.commit_tree([
-          ('a/x', blob, 0100644),
-          ('a./x', blob, 0100644),
-          ('a..', blob, 0100644),
-          ])
+        tree2 = self.commit_tree([('a/x', blob), ('a./x', blob), ('a..', blob)])
 
         self.assertChangesEqual(
-          [TreeChange.delete(('a', 0100644, blob.id)),
-           TreeChange.add(('a/x', 0100644, blob.id)),
-           TreeChange.delete(('a.', 0100644, blob.id)),
-           TreeChange.add(('a./x', 0100644, blob.id))],
+          [TreeChange.delete(('a', F, blob.id)),
+           TreeChange.add(('a/x', F, blob.id)),
+           TreeChange.delete(('a.', F, blob.id)),
+           TreeChange.add(('a./x', F, blob.id))],
           tree1, tree2)
 
     def test_tree_changes_prune(self):
         blob_a1 = make_object(Blob, data='a1')
         blob_a2 = make_object(Blob, data='a2')
         blob_x = make_object(Blob, data='x')
-        tree1 = self.commit_tree([('a', blob_a1, 0100644),
-                                  ('b/x', blob_x, 0100644)])
-        tree2 = self.commit_tree([('a', blob_a2, 0100644),
-                                  ('b/x', blob_x, 0100644)])
+        tree1 = self.commit_tree([('a', blob_a1), ('b/x', blob_x)])
+        tree2 = self.commit_tree([('a', blob_a2), ('b/x', blob_x)])
         # Remove identical items so lookups will fail unless we prune.
         subtree = self.store[tree1['b'][1]]
         for entry in subtree.iteritems():
@@ -244,8 +240,8 @@ class TreeChangesTest(DiffTestCase):
         del self.store[subtree.id]
 
         self.assertChangesEqual(
-          [TreeChange(CHANGE_MODIFY, ('a', 0100644, blob_a1.id),
-                      ('a', 0100644, blob_a2.id))],
+          [TreeChange(CHANGE_MODIFY, ('a', F, blob_a1.id),
+                      ('a', F, blob_a2.id))],
           tree1, tree2)
 
 
-- 
1.7.3.2.168.gd6b63