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Copy pathtest_history.py
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127 lines (92 loc) · 3.86 KB
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import tempfile
import unittest
from pathlib import Path
from bpython.config import getpreferredencoding
from bpython.history import History
class TestHistory(unittest.TestCase):
def setUp(self):
self.history = History(f"#{x}" for x in range(1000))
def test_is_at_start(self):
self.history.first()
self.assertNotEqual(self.history.index, 0)
self.assertTrue(self.history.is_at_end)
self.history.forward()
self.assertFalse(self.history.is_at_end)
def test_is_at_end(self):
self.history.last()
self.assertEqual(self.history.index, 0)
self.assertTrue(self.history.is_at_start)
self.assertFalse(self.history.is_at_end)
def test_first(self):
self.history.first()
self.assertFalse(self.history.is_at_start)
self.assertTrue(self.history.is_at_end)
def test_last(self):
self.history.last()
self.assertTrue(self.history.is_at_start)
self.assertFalse(self.history.is_at_end)
def test_back(self):
self.assertEqual(self.history.back(), "#999")
self.assertNotEqual(self.history.back(), "#999")
self.assertEqual(self.history.back(), "#997")
for x in range(997):
self.history.back()
self.assertEqual(self.history.back(), "#0")
def test_forward(self):
self.history.first()
self.assertEqual(self.history.forward(), "#1")
self.assertNotEqual(self.history.forward(), "#1")
self.assertEqual(self.history.forward(), "#3")
# 1000 == entries 4 == len(range(1, 3) ===> '#1000' (so +1)
for x in range(1000 - 4 - 1):
self.history.forward()
self.assertEqual(self.history.forward(), "#999")
def test_append(self):
self.history.append('print "foo\n"\n')
self.history.append("\n")
self.assertEqual(self.history.back(), 'print "foo\n"')
def test_enter(self):
self.history.enter("#lastnumber!")
self.assertEqual(self.history.back(), "#lastnumber!")
self.assertEqual(self.history.forward(), "#lastnumber!")
def test_enter_2(self):
self.history.enter("#50")
self.assertEqual(self.history.back(), "#509")
self.assertEqual(self.history.back(), "#508")
self.assertEqual(self.history.forward(), "#509")
def test_reset(self):
self.history.enter("#lastnumber!")
self.history.reset()
self.assertEqual(self.history.back(), "#999")
self.assertEqual(self.history.forward(), "")
class TestHistoryFileAccess(unittest.TestCase):
def setUp(self):
self.tempdir = tempfile.TemporaryDirectory()
self.filename = str(Path(self.tempdir.name) / "history_temp_file")
self.encoding = getpreferredencoding()
with open(
self.filename, "w", encoding=self.encoding, errors="ignore"
) as f:
f.write(b"#1\n#2\n".decode())
def test_load(self):
history = History()
history.load(self.filename, self.encoding)
self.assertEqual(history.entries, ["#1", "#2"])
def test_append_reload_and_write(self):
history = History()
history.append_reload_and_write("#3", self.filename, self.encoding)
self.assertEqual(history.entries, ["#1", "#2", "#3"])
history.append_reload_and_write("#4", self.filename, self.encoding)
self.assertEqual(history.entries, ["#1", "#2", "#3", "#4"])
def test_save(self):
history = History()
for line in ("#1", "#2", "#3", "#4"):
history.append_to(history.entries, line)
# save only last 2 lines
history.save(self.filename, self.encoding, lines=2)
# load again from the file
history = History()
history.load(self.filename, self.encoding)
self.assertEqual(history.entries, ["#3", "#4"])
def tearDown(self):
self.tempdir = None