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test_source.py
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106 lines (81 loc) · 4.09 KB
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from __future__ import absolute_import, division, print_function, unicode_literals
from .. import source
import unittest
class BufferTestCase(unittest.TestCase):
def setUp(self):
self.buffer = source.Buffer("line one\nline two\n\nline four")
def test_repr(self):
self.assertEqual("Buffer(\"<input>\")", repr(self.buffer))
def test_source_line(self):
self.assertEqual("line one\n", self.buffer.source_line(1))
self.assertEqual("line two\n", self.buffer.source_line(2))
self.assertEqual("\n", self.buffer.source_line(3))
self.assertEqual("line four", self.buffer.source_line(4))
self.assertRaises(IndexError, lambda: self.buffer.source_line(0))
def test_decompose_position(self):
self.assertEqual((1,0), self.buffer.decompose_position(0))
self.assertEqual((1,2), self.buffer.decompose_position(2))
self.assertEqual((1,8), self.buffer.decompose_position(8))
self.assertEqual((2,0), self.buffer.decompose_position(9))
self.assertRaises(IndexError, lambda: self.buffer.decompose_position(90))
def test_bug_one_past_end(self):
self.assertEqual((2, 0),
source.Buffer("\n").decompose_position(1))
def test_encoding(self):
self.assertEqual("ascii", source.Buffer("\n").encoding)
self.assertEqual("ascii", source.Buffer("coding: wut").encoding)
self.assertEqual("ascii", source.Buffer("\n\n# coding: wut").encoding)
self.assertEqual("utf-8", source.Buffer("# coding=utf-8").encoding)
self.assertEqual("iso-8859-1", source.Buffer("\n# -*- coding: iso-8859-1 -*-").encoding)
class RangeTestCase(unittest.TestCase):
def setUp(self):
self.buffer = source.Buffer("line one\nline two\n\nline four")
def range(self, lft, rgt):
return source.Range(self.buffer, lft, rgt)
def test_repr(self):
self.assertEqual("Range(\"<input>\", 0, 2, None)",
repr(self.range(0, 2)))
def test_begin(self):
self.assertEqual(self.range(1, 1),
self.range(1, 2).begin())
def test_end(self):
self.assertEqual(self.range(2, 2),
self.range(1, 2).end())
def test_size(self):
self.assertEqual(1, self.range(2, 3).size())
def test_column(self):
self.assertEqual(2, self.range(2, 2).column())
self.assertEqual(0, self.range(9, 11).column())
self.assertEqual(2, self.range(11, 11).column())
def test_column_range(self):
self.assertEqual((2,2), self.range(2, 2).column_range())
self.assertEqual((0,2), self.range(9, 11).column_range())
self.assertEqual((2,2), self.range(11, 11).column_range())
self.assertEqual((0,8), self.range(0, 11).column_range())
def test_line(self):
self.assertEqual(1, self.range(2, 2).line())
self.assertEqual(2, self.range(9, 11).line())
self.assertEqual(2, self.range(11, 11).line())
def test_line(self):
self.assertEqual(1, self.range(2, 2).line())
self.assertEqual(2, self.range(9, 11).line())
self.assertEqual(2, self.range(11, 11).line())
def test_join(self):
self.assertEqual(self.range(1, 6),
self.range(2, 6).join(self.range(1, 5)))
self.assertRaises(ValueError,
lambda: self.range(0, 0).join(
source.Range(source.Buffer(""), 0, 0)))
def test_source(self):
self.assertEqual("one", self.range(5, 8).source())
def test_source_line(self):
self.assertEqual("line two\n", self.range(9, 9).source_line())
def test_source_lines(self):
self.assertEqual(["line two\n"], self.range(9, 9).source_lines())
self.assertEqual(["line two\n", "\n"], self.range(9, 18).source_lines())
def test___str__(self):
self.assertEqual("<input>:2:1-2:2", str(self.range(9, 10)))
self.assertEqual("<input>:2:1", str(self.range(9, 9)))
def test___ne__(self):
self.assertTrue(self.range(0,0) != self.range(0,1))
self.assertFalse(self.range(0,0) != self.range(0,0))