apps/dvcs/tests/__init__.py

   1 from nose.tools import *
   2 from django.test import TestCase
   3 from dvcs.models import Document
   4
   5
   6 class ADocument(Document):
   7     pass
   8
   9
  10 class DocumentModelTests(TestCase):
  11
  12     def assertTextEqual(self, given, expected):
  13         return self.assertEqual(given, expected,
  14             "Expected '''%s'''\n differs from text: '''%s'''" % (expected, given)
  15         )
  16
  17     def test_empty_file(self):
  18         doc = ADocument.objects.create()
  19         self.assertTextEqual(doc.materialize(), u"")
  20
  21     def test_single_commit(self):
  22         doc = ADocument.objects.create()
  23         doc.commit(text=u"Ala ma kota", description="Commit #1")
  24         self.assertTextEqual(doc.materialize(), u"Ala ma kota")
  25
  26     def test_chained_commits(self):
  27         doc = ADocument.objects.create()
  28         text1 = u"""
  29             Line #1
  30             Line #2 is cool
  31         """
  32         text2 = u"""
  33             Line #1
  34             Line #2 is hot
  35         """
  36         text3 = u"""
  37             Line #1
  38             ... is hot
  39             Line #3 ate Line #2
  40         """
  41
  42         c1 = doc.commit(description="Commit #1", text=text1)
  43         c2 = doc.commit(description="Commit #2", text=text2)
  44         c3 = doc.commit(description="Commit #3", text=text3)
  45
  46         self.assertTextEqual(doc.materialize(), text3)
  47         self.assertTextEqual(doc.materialize(change=c3), text3)
  48         self.assertTextEqual(doc.materialize(change=c2), text2)
  49         self.assertTextEqual(doc.materialize(change=c1), text1)
  50
  51     def test_parallel_commit_noconflict(self):
  52         doc = ADocument.objects.create()
  53         text1 = u"""
  54             Line #1
  55             Line #2
  56         """
  57         text2 = u"""
  58             Line #1 is hot
  59             Line #2
  60         """
  61         text3 = u"""
  62             Line #1
  63             Line #2
  64             Line #3
  65         """
  66         text_merged = u"""
  67             Line #1 is hot
  68             Line #2
  69             Line #3
  70         """
  71
  72         base = doc.commit(description="Commit #1", text=text1)
  73         c1 = doc.commit(description="Commit #2", text=text2)
  74         commits = doc.change_set.count()
  75         c2 = doc.commit(description="Commit #3", text=text3, parent=base)
  76         self.assertEqual(doc.change_set.count(), commits + 2,
  77             u"Parallel commits should create an additional merge commit")
  78         self.assertTextEqual(doc.materialize(), text_merged)
  79
  80     def test_parallel_commit_conflict(self):
  81         doc = ADocument.objects.create()
  82         text1 = u"""
  83             Line #1
  84             Line #2
  85             Line #3
  86         """
  87         text2 = u"""
  88             Line #1
  89             Line #2 is hot
  90             Line #3
  91         """
  92         text3 = u"""
  93             Line #1
  94             Line #2 is cool
  95             Line #3
  96         """
  97         text_merged = u"""
  98             Line #1
  99 <<<<<<<
 100             Line #2 is hot
 101 =======
 102             Line #2 is cool
 103 >>>>>>>
 104             Line #3
 105         """
 106         base = doc.commit(description="Commit #1", text=text1)
 107         c1 = doc.commit(description="Commit #2", text=text2)
 108         commits = doc.change_set.count()
 109         c2 = doc.commit(description="Commit #3", text=text3, parent=base)
 110         self.assertEqual(doc.change_set.count(), commits + 2,
 111             u"Parallel commits should create an additional merge commit")
 112         self.assertTextEqual(doc.materialize(), text_merged)
 113
 114
 115     def test_multiple_parallel_commits(self):
 116         text_a1 = u"""
 117             Line #1
 118
 119             Line #2
 120
 121             Line #3
 122             """
 123         text_a2 = u"""
 124             Line #1 *
 125
 126             Line #2
 127
 128             Line #3
 129             """
 130         text_b1 = u"""
 131             Line #1
 132
 133             Line #2 **
 134
 135             Line #3
 136             """
 137         text_c1 = u"""
 138             Line #1
 139
 140             Line #2
 141
 142             Line #3 ***
 143             """
 144         text_merged = u"""
 145             Line #1 *
 146
 147             Line #2 **
 148
 149             Line #3 ***
 150             """
 151
 152
 153         doc = ADocument.objects.create()
 154         c1 = doc.commit(description="Commit A1", text=text_a1)
 155         c2 = doc.commit(description="Commit A2", text=text_a2, parent=c1)
 156         c3 = doc.commit(description="Commit B1", text=text_b1, parent=c1)
 157         c4 = doc.commit(description="Commit C1", text=text_c1, parent=c1)
 158         self.assertTextEqual(doc.materialize(), text_merged)