[Checkins] SVN: ZODB/branches/tseaver-better_repozo_tests/src/ZODB/scripts/tests/test_repozo.py Add tests for 'checksum'.

[Tres Seaver]

Log message for revision 112308:
  Add tests for 'checksum'.

Changed:
  U   ZODB/branches/tseaver-better_repozo_tests/src/ZODB/scripts/tests/test_repozo.py

-=-
Modified: ZODB/branches/tseaver-better_repozo_tests/src/ZODB/scripts/tests/test_repozo.py
===================================================================
--- ZODB/branches/tseaver-better_repozo_tests/src/ZODB/scripts/tests/test_repozo.py	2010-05-14 17:45:41 UTC (rev 112307)
+++ ZODB/branches/tseaver-better_repozo_tests/src/ZODB/scripts/tests/test_repozo.py	2010-05-14 17:46:21 UTC (rev 112308)
@@ -77,12 +77,8 @@
         self.close()
 
 
-class Test_dofile(unittest.TestCase):
+class FileopsBase:
 
-    def _callFUT(self, func, fp, n):
-        from ZODB.scripts.repozo import dofile
-        return dofile(func, fp, n)
-
     def _makeChunks(self):
         from ZODB.scripts.repozo import READCHUNK
         return ['x' * READCHUNK, 'y' * READCHUNK, 'z']
@@ -93,6 +89,13 @@
             text = ''.join(self._makeChunks())
         return StringIO(text)
 
+
+class Test_dofile(unittest.TestCase, FileopsBase):
+
+    def _callFUT(self, func, fp, n):
+        from ZODB.scripts.repozo import dofile
+        return dofile(func, fp, n)
+
     def test_empty_read_all(self):
         chunks = []
         file = self._makeFile('')
@@ -121,6 +124,35 @@
         self.assertEqual(bytes, 42)
         self.assertEqual(chunks, ['x' * 42])
 
+
+class Test_checksum(unittest.TestCase, FileopsBase):
+
+    def _callFUT(self, fp, n):
+        from ZODB.scripts.repozo import checksum
+        return checksum(fp, n)
+
+    def test_empty_read_all(self):
+        file = self._makeFile('')
+        sum = self._callFUT(file, None)
+        self.assertEqual(sum, md5('').hexdigest())
+
+    def test_empty_read_count(self):
+        file = self._makeFile('')
+        sum = self._callFUT(file, 42)
+        self.assertEqual(sum, md5('').hexdigest())
+
+    def test_nonempty_read_all(self):
+        file = self._makeFile()
+        sum = self._callFUT(file, None)
+        self.assertEqual(sum, md5(''.join(self._makeChunks())).hexdigest())
+
+    def test_nonempty_read_count(self):
+        chunks = []
+        file = self._makeFile()
+        sum = self._callFUT(file, 42)
+        self.assertEqual(sum, md5('x' * 42).hexdigest())
+
+
 class TestBase:
 
     _repository_directory = None
@@ -469,6 +501,7 @@
 def test_suite():
     return unittest.TestSuite([
         unittest.makeSuite(Test_dofile),
+        unittest.makeSuite(Test_checksum),
         unittest.makeSuite(Test_delete_old_backups),
         unittest.makeSuite(Test_do_full_backup),
         unittest.makeSuite(Test_do_incremental_backup),