--- /dev/null
+from django.test import TestCase
+from dvcs.models import Change, Document
+
+class DocumentModelTests(TestCase):
+
+ def assertTextEqual(self, given, expected):
+ return self.assertEqual(given, expected,
+ "Expected '''%s'''\n differs from text: '''%s'''" % (expected, given)
+ )
+
+ def test_empty_file(self):
+ doc = Document.objects.create(name=u"Sample Document")
+ self.assert_(doc.head is not None)
+ self.assertEqual(doc.materialize(), u"")
+
+ def test_single_commit(self):
+ doc = Document.objects.create(name=u"Sample Document")
+ doc.commit(text=u"Ala ma kota", description="Commit #1")
+ self.assert_(doc.head is not None)
+ self.assertEqual(doc.change_set.count(), 2)
+ self.assertEqual(doc.materialize(), u"Ala ma kota")
+
+ def test_chained_commits(self):
+ doc = Document.objects.create(name=u"Sample Document")
+ c1 = doc.commit(description="Commit #1", text=u"""
+ Line #1
+ Line #2 is cool
+ """)
+ c2 = doc.commit(description="Commit #2", text=u"""
+ Line #1
+ Line #2 is hot
+ """)
+ c3 = doc.commit(description="Commit #3", text=u"""
+ Line #1
+ ... is hot
+ Line #3 ate Line #2
+ """)
+ self.assert_(doc.head is not None)
+ self.assertEqual(doc.change_set.count(), 4)
+
+ self.assertEqual(doc.materialize(), u"""
+ Line #1
+ ... is hot
+ Line #3 ate Line #2
+ """)
+ self.assertEqual(doc.materialize(version=c3), u"""
+ Line #1
+ ... is hot
+ Line #3 ate Line #2
+ """)
+ self.assertEqual(doc.materialize(version=c2), u"""
+ Line #1
+ Line #2 is hot
+ """)
+ self.assertEqual(doc.materialize(version=c1), """
+ Line #1
+ Line #2 is cool
+ """)
+
+
+ def test_parallel_commit_noconflict(self):
+ doc = Document.objects.create(name=u"Sample Document")
+ self.assert_(doc.head is not None)
+ base = doc.head
+ base = doc.commit(description="Commit #1", text=u"""
+ Line #1
+ Line #2
+""")
+
+ c1 = doc.commit(description="Commit #2", text=u"""
+ Line #1 is hot
+ Line #2
+""", parent=base)
+ self.assertTextEqual(c1.materialize(), u"""
+ Line #1 is hot
+ Line #2
+""")
+ c2 = doc.commit(description="Commit #3", text=u"""
+ Line #1
+ Line #2
+ Line #3
+""", parent=base)
+ self.assertEqual(doc.change_set.count(), 5)
+ self.assertTextEqual(doc.materialize(), u"""
+ Line #1 is hot
+ Line #2
+ Line #3
+""")
+
+ def test_parallel_commit_conflict(self):
+ doc = Document.objects.create(name=u"Sample Document")
+ self.assert_(doc.head is not None)
+ base = doc.head
+ base = doc.commit(description="Commit #1", text=u"""
+Line #1
+Line #2
+Line #3
+""")
+
+ c1 = doc.commit(description="Commit #2", text=u"""
+Line #1
+Line #2 is hot
+Line #3
+""", parent=base)
+ c2 = doc.commit(description="Commit #3", text=u"""
+Line #1
+Line #2 is cool
+Line #3
+""", parent=base)
+ self.assertEqual(doc.change_set.count(), 5)
+ self.assertTextEqual(doc.materialize(), u"""
+Line #1
+<<<<<<<
+Line #2 is hot
+=======
+Line #2 is cool
+>>>>>>>
+Line #3
+""")
+