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#!/usr/bin/env python
# encoding: utf-8
# pylint: skip-file
import unittest
from diff import diff, guess_edit
from position import Position
def transform(a, cmds):
buf = a.split("\n")
for cmd in cmds:
ctype, line, col, char = cmd
if ctype == "D":
if char != "\n":
buf[line] = buf[line][:col] + buf[line][col + len(char) :]
else:
buf[line] = buf[line] + buf[line + 1]
del buf[line + 1]
elif ctype == "I":
buf[line] = buf[line][:col] + char + buf[line][col:]
buf = "\n".join(buf).split("\n")
return "\n".join(buf)
import unittest
class _BaseGuessing(object):
def runTest(self):
rv, es = guess_edit(
self.initial_line, self.a, self.b, Position(*self.ppos), Position(*self.pos)
)
self.assertEqual(rv, True)
self.assertEqual(self.wanted, es)
class TestGuessing_Noop0(_BaseGuessing, unittest.TestCase):
a, b = [], []
initial_line = 0
ppos, pos = (0, 6), (0, 7)
wanted = ()
class TestGuessing_InsertOneChar(_BaseGuessing, unittest.TestCase):
a, b = ["Hello World"], ["Hello World"]
initial_line = 0
ppos, pos = (0, 6), (0, 7)
wanted = (("I", 0, 6, " "),)
class TestGuessing_InsertOneChar1(_BaseGuessing, unittest.TestCase):
a, b = ["Hello World"], ["Hello World"]
initial_line = 0
ppos, pos = (0, 7), (0, 8)
wanted = (("I", 0, 7, " "),)
class TestGuessing_BackspaceOneChar(_BaseGuessing, unittest.TestCase):
a, b = ["Hello World"], ["Hello World"]
initial_line = 0
ppos, pos = (0, 7), (0, 6)
wanted = (("D", 0, 6, " "),)
class TestGuessing_DeleteOneChar(_BaseGuessing, unittest.TestCase):
a, b = ["Hello World"], ["Hello World"]
initial_line = 0
ppos, pos = (0, 5), (0, 5)
wanted = (("D", 0, 5, " "),)
class _Base(object):
def runTest(self):
es = diff(self.a, self.b)
tr = transform(self.a, es)
self.assertEqual(self.b, tr)
self.assertEqual(self.wanted, es)
class TestEmptyString(_Base, unittest.TestCase):
a, b = "", ""
wanted = ()
class TestAllMatch(_Base, unittest.TestCase):
a, b = "abcdef", "abcdef"
wanted = ()
class TestLotsaNewlines(_Base, unittest.TestCase):
a, b = "Hello", "Hello\nWorld\nWorld\nWorld"
wanted = (
("I", 0, 5, "\n"),
("I", 1, 0, "World"),
("I", 1, 5, "\n"),
("I", 2, 0, "World"),
("I", 2, 5, "\n"),
("I", 3, 0, "World"),
)
class TestCrash(_Base, unittest.TestCase):
a = "hallo Blah mitte=sdfdsfsd\nhallo kjsdhfjksdhfkjhsdfkh mittekjshdkfhkhsdfdsf"
b = "hallo Blah mitte=sdfdsfsd\nhallo b mittekjshdkfhkhsdfdsf"
wanted = (("D", 1, 6, "kjsdhfjksdhfkjhsdfkh"), ("I", 1, 6, "b"))
class TestRealLife(_Base, unittest.TestCase):
a = "hallo End Beginning"
b = "hallo End t"
wanted = (("D", 0, 10, "Beginning"), ("I", 0, 10, "t"))
class TestRealLife1(_Base, unittest.TestCase):
a = "Vorne hallo Hinten"
b = "Vorne hallo Hinten"
wanted = (("I", 0, 11, " "),)
class TestWithNewline(_Base, unittest.TestCase):
a = "First Line\nSecond Line"
b = "n"
wanted = (
("D", 0, 0, "First Line"),
("D", 0, 0, "\n"),
("D", 0, 0, "Second Line"),
("I", 0, 0, "n"),
)
class TestCheapDelete(_Base, unittest.TestCase):
a = "Vorne hallo Hinten"
b = "Vorne Hinten"
wanted = (("D", 0, 5, " hallo"),)
class TestNoSubstring(_Base, unittest.TestCase):
a, b = "abc", "def"
wanted = (("D", 0, 0, "abc"), ("I", 0, 0, "def"))
class TestCommonCharacters(_Base, unittest.TestCase):
a, b = "hasomelongertextbl", "hol"
wanted = (("D", 0, 1, "asomelongertextb"), ("I", 0, 1, "o"))
class TestUltiSnipsProblem(_Base, unittest.TestCase):
a = "this is it this is it this is it"
b = "this is it a this is it"
wanted = (("D", 0, 11, "this is it"), ("I", 0, 11, "a"))
class MatchIsTooCheap(_Base, unittest.TestCase):
a = "stdin.h"
b = "s"
wanted = (("D", 0, 1, "tdin.h"),)
class MultiLine(_Base, unittest.TestCase):
a = "hi first line\nsecond line first line\nsecond line world"
b = "hi first line\nsecond line k world"
wanted = (
("D", 1, 12, "first line"),
("D", 1, 12, "\n"),
("D", 1, 12, "second line"),
("I", 1, 12, "k"),
)
if __name__ == "__main__":
unittest.main()
# k = TestEditScript()
# unittest.TextTestRunner().run(k)
|
