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Copy pathtest_line_properties.py
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314 lines (250 loc) · 10.4 KB
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try:
import unittest2 as unittest
except ImportError:
import unittest
import re
from bpython.line import current_word, current_dict_key, current_dict, \
current_string, current_object, current_object_attribute, \
current_from_import_from, current_from_import_import, current_import, \
current_method_definition_name, current_single_word, \
current_string_literal_attr
def cursor(s):
"""'ab|c' -> (2, 'abc')"""
cursor_offset = s.index('|')
line = s[:cursor_offset] + s[cursor_offset+1:]
return cursor_offset, line
def decode(s):
"""'a<bd|c>d' -> ((3, 'abcd'), (1, 3, 'bdc'))"""
if not s.count('|') == 1:
raise ValueError('match helper needs | to occur once')
if s.count('<') != s.count('>') or not s.count('<') in (0, 1):
raise ValueError('match helper needs <, and > to occur just once')
matches = list(re.finditer(r'[<>|]', s))
assert len(matches) in [1, 3], [m.group() for m in matches]
d = {}
for i, m in enumerate(matches):
d[m.group(0)] = m.start() - i
s = s[:m.start() - i] + s[m.end() - i:]
assert len(d) in [1, 3], 'need all the parts just once! %r' % d
if '<' in d:
return (d['|'], s), (d['<'], d['>'], s[d['<']:d['>']])
else:
return (d['|'], s), None
def line_with_cursor(cursor_offset, line):
return line[:cursor_offset] + '|' + line[cursor_offset:]
def encode(cursor_offset, line, result):
"""encode(3, 'abdcd', (1, 3, 'bdc')) -> a<bd|c>d'
Written for prettier assert error messages
"""
encoded_line = line_with_cursor(cursor_offset, line)
if result is None:
return encoded_line
start, end, value = result
assert line[start:end] == value
if start < cursor_offset:
encoded_line = encoded_line[:start] + '<' + encoded_line[start:]
else:
encoded_line = encoded_line[:start+1] + '<' + encoded_line[start+1:]
if end < cursor_offset:
encoded_line = encoded_line[:end+1] + '>' + encoded_line[end+1:]
else:
encoded_line = encoded_line[:end+2] + '>' + encoded_line[end+2:]
return encoded_line
class LineTestCase(unittest.TestCase):
def assertAccess(self, s):
r"""Asserts that self.func matches as described
by s, which uses a little language to describe matches:
abcd<efg>hijklmnopqrstuvwx|yz
/|\ /|\ /|\
| | |
the function should the current cursor position
match this "efg" is between the x and y
"""
(cursor_offset, line), match = decode(s)
result = self.func(cursor_offset, line)
self.assertEqual(
result, match,
"%s(%r) result\n%r (%r) doesn't match expected\n%r (%r)" % (
self.func.__name__, line_with_cursor(cursor_offset, line),
encode(cursor_offset, line, result), result, s, match))
class TestHelpers(LineTestCase):
def test_I(self):
self.assertEqual(cursor('asd|fgh'), (3, 'asdfgh'))
def test_decode(self):
self.assertEqual(decode('a<bd|c>d'), ((3, 'abdcd'), (1, 4, 'bdc')))
self.assertEqual(decode('a|<bdc>d'), ((1, 'abdcd'), (1, 4, 'bdc')))
self.assertEqual(decode('a<bdc>d|'), ((5, 'abdcd'), (1, 4, 'bdc')))
def test_encode(self):
self.assertEqual(encode(3, 'abdcd', (1, 4, 'bdc')), 'a<bd|c>d')
self.assertEqual(encode(1, 'abdcd', (1, 4, 'bdc')), 'a|<bdc>d')
self.assertEqual(encode(4, 'abdcd', (1, 4, 'bdc')), 'a<bdc|>d')
self.assertEqual(encode(5, 'abdcd', (1, 4, 'bdc')), 'a<bdc>d|')
def test_assert_access(self):
def dumb_func(cursor_offset, line):
return (0, 2, 'ab')
self.func = dumb_func
self.assertAccess('<a|b>d')
class TestCurrentWord(LineTestCase):
def setUp(self):
self.func = current_word
def test_simple(self):
self.assertAccess('|')
self.assertAccess('|asdf')
self.assertAccess('<a|sdf>')
self.assertAccess('<asdf|>')
self.assertAccess('<asdfg|>')
self.assertAccess('asdf + <asdfg|>')
self.assertAccess('<asdfg|> + asdf')
def test_inside(self):
self.assertAccess('<asd|>')
self.assertAccess('<asd|fg>')
def test_dots(self):
self.assertAccess('<Object.attr1|>')
self.assertAccess('<Object.attr1.attr2|>')
self.assertAccess('<Object.att|r1.attr2>')
self.assertAccess('stuff[stuff] + {123: 456} + <Object.attr1.attr2|>')
self.assertAccess('stuff[<asd|fg>]')
self.assertAccess('stuff[asdf[<asd|fg>]')
def test_open_paren(self):
self.assertAccess('<foo(|>')
# documenting current behavior - TODO is this intended?
class TestCurrentDictKey(LineTestCase):
def setUp(self):
self.func = current_dict_key
def test_simple(self):
self.assertAccess('asdf|')
self.assertAccess('asdf|')
self.assertAccess('asdf[<>|')
self.assertAccess('asdf[<>|]')
self.assertAccess('object.dict[<abc|>')
self.assertAccess('asdf|')
self.assertAccess('asdf[<(>|]')
self.assertAccess('asdf[<(1>|]')
self.assertAccess('asdf[<(1,>|]')
self.assertAccess('asdf[<(1, >|]')
self.assertAccess('asdf[<(1, 2)>|]')
# TODO self.assertAccess('d[d[<12|>')
self.assertAccess("d[<'a>|")
class TestCurrentDict(LineTestCase):
def setUp(self):
self.func = current_dict
def test_simple(self):
self.assertAccess('asdf|')
self.assertAccess('asdf|')
self.assertAccess('<asdf>[|')
self.assertAccess('<asdf>[|]')
self.assertAccess('<object.dict>[abc|')
self.assertAccess('asdf|')
class TestCurrentString(LineTestCase):
def setUp(self):
self.func = current_string
def test_closed(self):
self.assertAccess('"<as|df>"')
self.assertAccess('"<asdf|>"')
self.assertAccess('"<|asdf>"')
self.assertAccess("'<asdf|>'")
self.assertAccess("'<|asdf>'")
self.assertAccess("'''<asdf|>'''")
self.assertAccess('"""<asdf|>"""')
self.assertAccess('asdf.afd("a") + "<asdf|>"')
def test_open(self):
self.assertAccess('"<as|df>')
self.assertAccess('"<asdf|>')
self.assertAccess('"<|asdf>')
self.assertAccess("'<asdf|>")
self.assertAccess("'<|asdf>")
self.assertAccess("'''<asdf|>")
self.assertAccess('"""<asdf|>')
self.assertAccess('asdf.afd("a") + "<asdf|>')
class TestCurrentObject(LineTestCase):
def setUp(self):
self.func = current_object
def test_simple(self):
self.assertAccess('<Object>.attr1|')
self.assertAccess('<Object>.|')
self.assertAccess('Object|')
self.assertAccess('Object|.')
self.assertAccess('<Object>.|')
self.assertAccess('<Object.attr1>.attr2|')
self.assertAccess('<Object>.att|r1.attr2')
self.assertAccess('stuff[stuff] + {123: 456} + <Object.attr1>.attr2|')
self.assertAccess('stuff[asd|fg]')
self.assertAccess('stuff[asdf[asd|fg]')
class TestCurrentAttribute(LineTestCase):
def setUp(self):
self.func = current_object_attribute
def test_simple(self):
self.assertAccess('Object.<attr1|>')
self.assertAccess('Object.attr1.<attr2|>')
self.assertAccess('Object.<att|r1>.attr2')
self.assertAccess('stuff[stuff] + {123: 456} + Object.attr1.<attr2|>')
self.assertAccess('stuff[asd|fg]')
self.assertAccess('stuff[asdf[asd|fg]')
self.assertAccess('Object.attr1.<|attr2>')
self.assertAccess('Object.<attr1|>.attr2')
class TestCurrentFromImportFrom(LineTestCase):
def setUp(self):
self.func = current_from_import_from
def test_simple(self):
self.assertAccess('from <sys|> import path')
self.assertAccess('from <sys> import path|')
self.assertAccess('if True|: from sys import path')
self.assertAccess('if True: |from sys import path')
self.assertAccess('if True: from <sys> import p|ath')
self.assertAccess('if True: from sys imp|ort path')
self.assertAccess('if True: from sys import |path')
self.assertAccess('if True: from sys import path.stu|ff')
self.assertAccess('if True: from <sys.path> import sep|')
self.assertAccess('from <os.p|>')
class TestCurrentFromImportImport(LineTestCase):
def setUp(self):
self.func = current_from_import_import
def test_simple(self):
self.assertAccess('from sys import <path|>')
self.assertAccess('from sys import <p|ath>')
self.assertAccess('from sys import |path')
self.assertAccess('from sys| import path')
self.assertAccess('from s|ys import path')
self.assertAccess('from |sys import path')
self.assertAccess('from xml.dom import <N|ode>')
# because syntax error
self.assertAccess('from xml.dom import Node.as|d')
class TestCurrentImport(LineTestCase):
def setUp(self):
self.func = current_import
def test_simple(self):
self.assertAccess('import <path|>')
self.assertAccess('import <p|ath>')
self.assertAccess('import |path')
self.assertAccess('import path, <another|>')
self.assertAccess('import path another|')
self.assertAccess('if True: import <path|>')
self.assertAccess('if True: import <xml.dom.minidom|>')
self.assertAccess('if True: import <xml.do|m.minidom>')
self.assertAccess('if True: import <xml.do|m.minidom> as something')
class TestMethodDefinitionName(LineTestCase):
def setUp(self):
self.func = current_method_definition_name
def test_simple(self):
self.assertAccess('def <foo|>')
self.assertAccess(' def bar(x, y)|:')
self.assertAccess(' def <bar|>(x, y)')
class TestSingleWord(LineTestCase):
def setUp(self):
self.func = current_single_word
def test_simple(self):
self.assertAccess('foo.bar|')
self.assertAccess('.foo|')
self.assertAccess(' <foo|>')
class TestCurrentStringLiteral(LineTestCase):
def setUp(self):
self.func = current_string_literal_attr
def test_simple(self):
self.assertAccess('"hey".<a|>')
self.assertAccess('"hey"|')
self.assertAccess('"hey"|.a')
self.assertAccess('"hey".<a|b>')
self.assertAccess('"hey".asdf d|')
self.assertAccess('"hey".<|>')
if __name__ == '__main__':
unittest.main()