bpython/test/test_history.py

6 from bpython.history import History
11         self.history = History(f"#{x}" for x in range(1000))
14         self.history.first()
16         self.assertNotEqual(self.history.index, 0)
17         self.assertTrue(self.history.is_at_end)
18         self.history.forward()
19         self.assertFalse(self.history.is_at_end)
22         self.history.last()
24         self.assertEqual(self.history.index, 0)
25         self.assertTrue(self.history.is_at_start)
26         self.assertFalse(self.history.is_at_end)
29         self.history.first()
31         self.assertFalse(self.history.is_at_start)
32         self.assertTrue(self.history.is_at_end)
35         self.history.last()
37         self.assertTrue(self.history.is_at_start)
38         self.assertFalse(self.history.is_at_end)
41         self.assertEqual(self.history.back(), "#999")
42         self.assertNotEqual(self.history.back(), "#999")
43         self.assertEqual(self.history.back(), "#997")
45             self.history.back()
46         self.assertEqual(self.history.back(), "#0")
49         self.history.first()
51         self.assertEqual(self.history.forward(), "#1")
52         self.assertNotEqual(self.history.forward(), "#1")
53         self.assertEqual(self.history.forward(), "#3")
56             self.history.forward()
57         self.assertEqual(self.history.forward(), "#999")
60         self.history.append('print "foo\n"\n')
61         self.history.append("\n")
63         self.assertEqual(self.history.back(), 'print "foo\n"')
66         self.history.enter("#lastnumber!")
68         self.assertEqual(self.history.back(), "#lastnumber!")
69         self.assertEqual(self.history.forward(), "#lastnumber!")
72         self.history.enter("#50")
74         self.assertEqual(self.history.back(), "#509")
75         self.assertEqual(self.history.back(), "#508")
76         self.assertEqual(self.history.forward(), "#509")
79         self.history.enter("#lastnumber!")
80         self.history.reset()
82         self.assertEqual(self.history.back(), "#999")
83         self.assertEqual(self.history.forward(), "")
98         history = History()
100         history.load(self.filename, self.encoding)
101         self.assertEqual(history.entries, ["#1", "#2"])
104         history = History()
106         history.append_reload_and_write("#3", self.filename, self.encoding)
107         self.assertEqual(history.entries, ["#1", "#2", "#3"])
109         history.append_reload_and_write("#4", self.filename, self.encoding)
110         self.assertEqual(history.entries, ["#1", "#2", "#3", "#4"])
113         history = History()
115             history.append_to(history.entries, line)
118         history.save(self.filename, self.encoding, lines=2)
121         history = History()
122         history.load(self.filename, self.encoding)
124         self.assertEqual(history.entries, ["#3", "#4"])