Removed the Requirement to Install Python and NodeJS (Now Bundled with Borealis)

Dependencies/Python/Lib/test/test_dbm_ndbm.py

@@ -0,0 +1,165 @@
+from test.support import import_helper
+from test.support import os_helper
+import_helper.import_module("dbm.ndbm") #skip if not supported
+import os
+import unittest
+import dbm.ndbm
+from dbm.ndbm import error
+
+class DbmTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.filename = os_helper.TESTFN
+        self.d = dbm.ndbm.open(self.filename, 'c')
+        self.d.close()
+
+    def tearDown(self):
+        for suffix in ['', '.pag', '.dir', '.db']:
+            os_helper.unlink(self.filename + suffix)
+
+    def test_keys(self):
+        self.d = dbm.ndbm.open(self.filename, 'c')
+        self.assertEqual(self.d.keys(), [])
+        self.d['a'] = 'b'
+        self.d[b'bytes'] = b'data'
+        self.d['12345678910'] = '019237410982340912840198242'
+        self.d.keys()
+        self.assertIn('a', self.d)
+        self.assertIn(b'a', self.d)
+        self.assertEqual(self.d[b'bytes'], b'data')
+        # get() and setdefault() work as in the dict interface
+        self.assertEqual(self.d.get(b'a'), b'b')
+        self.assertIsNone(self.d.get(b'xxx'))
+        self.assertEqual(self.d.get(b'xxx', b'foo'), b'foo')
+        with self.assertRaises(KeyError):
+            self.d['xxx']
+        self.assertEqual(self.d.setdefault(b'xxx', b'foo'), b'foo')
+        self.assertEqual(self.d[b'xxx'], b'foo')
+        self.d.close()
+
+    def test_empty_value(self):
+        if dbm.ndbm.library == 'Berkeley DB':
+            self.skipTest("Berkeley DB doesn't distinguish the empty value "
+                          "from the absent one")
+        self.d = dbm.ndbm.open(self.filename, 'c')
+        self.assertEqual(self.d.keys(), [])
+        self.d['empty'] = ''
+        self.assertEqual(self.d.keys(), [b'empty'])
+        self.assertIn(b'empty', self.d)
+        self.assertEqual(self.d[b'empty'], b'')
+        self.assertEqual(self.d.get(b'empty'), b'')
+        self.assertEqual(self.d.setdefault(b'empty'), b'')
+        self.d.close()
+
+    def test_modes(self):
+        for mode in ['r', 'rw', 'w', 'n']:
+            try:
+                self.d = dbm.ndbm.open(self.filename, mode)
+                self.d.close()
+            except error:
+                self.fail()
+
+    def test_context_manager(self):
+        with dbm.ndbm.open(self.filename, 'c') as db:
+            db["ndbm context manager"] = "context manager"
+
+        with dbm.ndbm.open(self.filename, 'r') as db:
+            self.assertEqual(list(db.keys()), [b"ndbm context manager"])
+
+        with self.assertRaises(dbm.ndbm.error) as cm:
+            db.keys()
+        self.assertEqual(str(cm.exception),
+                         "DBM object has already been closed")
+
+    def test_bytes(self):
+        with dbm.ndbm.open(self.filename, 'c') as db:
+            db[b'bytes key \xbd'] = b'bytes value \xbd'
+        with dbm.ndbm.open(self.filename, 'r') as db:
+            self.assertEqual(list(db.keys()), [b'bytes key \xbd'])
+            self.assertTrue(b'bytes key \xbd' in db)
+            self.assertEqual(db[b'bytes key \xbd'], b'bytes value \xbd')
+
+    def test_unicode(self):
+        with dbm.ndbm.open(self.filename, 'c') as db:
+            db['Unicode key \U0001f40d'] = 'Unicode value \U0001f40d'
+        with dbm.ndbm.open(self.filename, 'r') as db:
+            self.assertEqual(list(db.keys()), ['Unicode key \U0001f40d'.encode()])
+            self.assertTrue('Unicode key \U0001f40d'.encode() in db)
+            self.assertTrue('Unicode key \U0001f40d' in db)
+            self.assertEqual(db['Unicode key \U0001f40d'.encode()],
+                             'Unicode value \U0001f40d'.encode())
+            self.assertEqual(db['Unicode key \U0001f40d'],
+                             'Unicode value \U0001f40d'.encode())
+
+    def test_write_readonly_file(self):
+        with dbm.ndbm.open(self.filename, 'c') as db:
+            db[b'bytes key'] = b'bytes value'
+        with dbm.ndbm.open(self.filename, 'r') as db:
+            with self.assertRaises(error):
+                del db[b'not exist key']
+            with self.assertRaises(error):
+                del db[b'bytes key']
+            with self.assertRaises(error):
+                db[b'not exist key'] = b'not exist value'
+
+    @unittest.skipUnless(os_helper.TESTFN_NONASCII,
+                         'requires OS support of non-ASCII encodings')
+    def test_nonascii_filename(self):
+        filename = os_helper.TESTFN_NONASCII
+        for suffix in ['', '.pag', '.dir', '.db']:
+            self.addCleanup(os_helper.unlink, filename + suffix)
+        with dbm.ndbm.open(filename, 'c') as db:
+            db[b'key'] = b'value'
+        self.assertTrue(any(os.path.exists(filename + suffix)
+                            for suffix in ['', '.pag', '.dir', '.db']))
+        with dbm.ndbm.open(filename, 'r') as db:
+            self.assertEqual(list(db.keys()), [b'key'])
+            self.assertTrue(b'key' in db)
+            self.assertEqual(db[b'key'], b'value')
+
+    def test_nonexisting_file(self):
+        nonexisting_file = 'nonexisting-file'
+        with self.assertRaises(dbm.ndbm.error) as cm:
+            dbm.ndbm.open(nonexisting_file)
+        self.assertIn(nonexisting_file, str(cm.exception))
+        self.assertEqual(cm.exception.filename, nonexisting_file)
+
+    def test_open_with_pathlib_path(self):
+        dbm.ndbm.open(os_helper.FakePath(self.filename), "c").close()
+
+    def test_open_with_bytes_path(self):
+        dbm.ndbm.open(os.fsencode(self.filename), "c").close()
+
+    def test_open_with_pathlib_bytes_path(self):
+        dbm.ndbm.open(os_helper.FakePath(os.fsencode(self.filename)), "c").close()
+
+    def test_bool_empty(self):
+        with dbm.ndbm.open(self.filename, 'c') as db:
+            self.assertFalse(bool(db))
+
+    def test_bool_not_empty(self):
+        with dbm.ndbm.open(self.filename, 'c') as db:
+            db['a'] = 'b'
+            self.assertTrue(bool(db))
+
+    def test_bool_on_closed_db_raises(self):
+        with dbm.ndbm.open(self.filename, 'c') as db:
+            db['a'] = 'b'
+        self.assertRaises(dbm.ndbm.error, bool, db)
+
+    def test_clear(self):
+        kvs = [('foo', 'bar'), ('1234', '5678')]
+        with dbm.ndbm.open(self.filename, 'c') as db:
+            for k, v in kvs:
+                db[k] = v
+                self.assertIn(k, db)
+            self.assertEqual(len(db), len(kvs))
+
+            db.clear()
+            for k, v in kvs:
+                self.assertNotIn(k, db)
+            self.assertEqual(len(db), 0)
+
+
+if __name__ == '__main__':
+    unittest.main()