add hg and python

sys/lib/python/test/test_dumbdbm.py

@@ -0,0 +1,155 @@
+#! /usr/bin/env python
+"""Test script for the dumbdbm module
+   Original by Roger E. Masse
+"""
+
+import os
+import unittest
+import dumbdbm
+from test import test_support
+
+_fname = test_support.TESTFN
+
+def _delete_files():
+    for ext in [".dir", ".dat", ".bak"]:
+        try:
+            os.unlink(_fname + ext)
+        except OSError:
+            pass
+
+class DumbDBMTestCase(unittest.TestCase):
+    _dict = {'0': '',
+             'a': 'Python:',
+             'b': 'Programming',
+             'c': 'the',
+             'd': 'way',
+             'f': 'Guido',
+             'g': 'intended'
+             }
+
+    def __init__(self, *args):
+        unittest.TestCase.__init__(self, *args)
+
+    def test_dumbdbm_creation(self):
+        f = dumbdbm.open(_fname, 'c')
+        self.assertEqual(f.keys(), [])
+        for key in self._dict:
+            f[key] = self._dict[key]
+        self.read_helper(f)
+        f.close()
+
+    def test_close_twice(self):
+        f = dumbdbm.open(_fname)
+        f['a'] = 'b'
+        self.assertEqual(f['a'], 'b')
+        f.close()
+        f.close()
+
+    def test_dumbdbm_modification(self):
+        self.init_db()
+        f = dumbdbm.open(_fname, 'w')
+        self._dict['g'] = f['g'] = "indented"
+        self.read_helper(f)
+        f.close()
+
+    def test_dumbdbm_read(self):
+        self.init_db()
+        f = dumbdbm.open(_fname, 'r')
+        self.read_helper(f)
+        f.close()
+
+    def test_dumbdbm_keys(self):
+        self.init_db()
+        f = dumbdbm.open(_fname)
+        keys = self.keys_helper(f)
+        f.close()
+
+    def test_write_write_read(self):
+        # test for bug #482460
+        f = dumbdbm.open(_fname)
+        f['1'] = 'hello'
+        f['1'] = 'hello2'
+        f.close()
+        f = dumbdbm.open(_fname)
+        self.assertEqual(f['1'], 'hello2')
+        f.close()
+
+    def test_line_endings(self):
+        # test for bug #1172763: dumbdbm would die if the line endings
+        # weren't what was expected.
+        f = dumbdbm.open(_fname)
+        f['1'] = 'hello'
+        f['2'] = 'hello2'
+        f.close()
+
+        # Mangle the file by adding \r before each newline
+        data = open(_fname + '.dir').read()
+        data = data.replace('\n', '\r\n')
+        open(_fname + '.dir', 'wb').write(data)
+
+        f = dumbdbm.open(_fname)
+        self.assertEqual(f['1'], 'hello')
+        self.assertEqual(f['2'], 'hello2')
+
+
+    def read_helper(self, f):
+        keys = self.keys_helper(f)
+        for key in self._dict:
+            self.assertEqual(self._dict[key], f[key])
+
+    def init_db(self):
+        f = dumbdbm.open(_fname, 'w')
+        for k in self._dict:
+            f[k] = self._dict[k]
+        f.close()
+
+    def keys_helper(self, f):
+        keys = f.keys()
+        keys.sort()
+        dkeys = self._dict.keys()
+        dkeys.sort()
+        self.assertEqual(keys, dkeys)
+        return keys
+
+    # Perform randomized operations.  This doesn't make assumptions about
+    # what *might* fail.
+    def test_random(self):
+        import random
+        d = {}  # mirror the database
+        for dummy in range(5):
+            f = dumbdbm.open(_fname)
+            for dummy in range(100):
+                k = random.choice('abcdefghijklm')
+                if random.random() < 0.2:
+                    if k in d:
+                        del d[k]
+                        del f[k]
+                else:
+                    v = random.choice('abc') * random.randrange(10000)
+                    d[k] = v
+                    f[k] = v
+                    self.assertEqual(f[k], v)
+            f.close()
+
+            f = dumbdbm.open(_fname)
+            expected = d.items()
+            expected.sort()
+            got = f.items()
+            got.sort()
+            self.assertEqual(expected, got)
+            f.close()
+
+    def tearDown(self):
+        _delete_files()
+
+    def setUp(self):
+        _delete_files()
+
+def test_main():
+    try:
+        test_support.run_unittest(DumbDBMTestCase)
+    finally:
+        _delete_files()
+
+if __name__ == "__main__":
+    test_main()