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test_history.py
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127 lines (92 loc) · 3.85 KB
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importtempfile
importunittest
frompathlibimportPath
frombpython.configimportgetpreferredencoding
frombpython.historyimportHistory
classTestHistory(unittest.TestCase):
defsetUp(self):
self.history=History(f"#{x}"forxinrange(1000))
deftest_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)
deftest_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)
deftest_first(self):
self.history.first()
self.assertFalse(self.history.is_at_start)
self.assertTrue(self.history.is_at_end)
deftest_last(self):
self.history.last()
self.assertTrue(self.history.is_at_start)
self.assertFalse(self.history.is_at_end)
deftest_back(self):
self.assertEqual(self.history.back(),"#999")
self.assertNotEqual(self.history.back(),"#999")
self.assertEqual(self.history.back(),"#997")
forxinrange(997):
self.history.back()
self.assertEqual(self.history.back(),"#0")
deftest_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)
forxinrange(1000-4-1):
self.history.forward()
self.assertEqual(self.history.forward(),"#999")
deftest_append(self):
self.history.append('print "foo\n"\n')
self.history.append("\n")
self.assertEqual(self.history.back(),'print "foo\n"')
deftest_enter(self):
self.history.enter("#lastnumber!")
self.assertEqual(self.history.back(),"#lastnumber!")
self.assertEqual(self.history.forward(),"#lastnumber!")
deftest_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")
deftest_reset(self):
self.history.enter("#lastnumber!")
self.history.reset()
self.assertEqual(self.history.back(),"#999")
self.assertEqual(self.history.forward(),"")
classTestHistoryFileAccess(unittest.TestCase):
defsetUp(self):
self.tempdir=tempfile.TemporaryDirectory()
self.filename=Path(self.tempdir.name)/"history_temp_file"
self.encoding=getpreferredencoding()
withopen(
self.filename,"w",encoding=self.encoding,errors="ignore"
)asf:
f.write(b"#1\n#2\n".decode())
deftest_load(self):
history=History()
history.load(self.filename,self.encoding)
self.assertEqual(history.entries, ["#1","#2"])
deftest_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"])
deftest_save(self):
history=History()
forlinein ("#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"])
deftearDown(self):
self.tempdir=None