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343 lines (288 loc) · 10.4 KB
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import unittest
from bpython.curtsiesfrontend.manual_readline import (
left_arrow,
right_arrow,
beginning_of_line,
forward_word,
back_word,
end_of_line,
delete,
last_word_pos,
backspace,
delete_from_cursor_back,
delete_from_cursor_forward,
delete_rest_of_word,
delete_word_to_cursor,
transpose_character_before_cursor,
UnconfiguredEdits,
delete_word_from_cursor_back,
)
class TestManualReadline(unittest.TestCase):
def setUp(self):
self._line = "this is my test string"
def tearDown(self):
pass
def test_left_arrow_at_zero(self):
pos = 0
expected = (pos, self._line)
result = left_arrow(pos, self._line)
self.assertEqual(expected, result)
def test_left_arrow_at_non_zero(self):
for i in range(1, len(self._line)):
expected = (i - 1, self._line)
result = left_arrow(i, self._line)
self.assertEqual(expected, result)
def test_right_arrow_at_end(self):
pos = len(self._line)
expected = (pos, self._line)
result = right_arrow(pos, self._line)
self.assertEqual(expected, result)
def test_right_arrow_at_non_end(self):
for i in range(len(self._line) - 1):
expected = (i + 1, self._line)
result = right_arrow(i, self._line)
self.assertEqual(expected, result)
def test_beginning_of_line(self):
expected = (0, self._line)
for i in range(len(self._line)):
result = beginning_of_line(i, self._line)
self.assertEqual(expected, result)
def test_end_of_line(self):
expected = (len(self._line), self._line)
for i in range(len(self._line)):
result = end_of_line(i, self._line)
self.assertEqual(expected, result)
def test_forward_word(self):
line = "going from here to_here"
start_pos = 11
next_word_pos = 15
expected = (next_word_pos, line)
result = forward_word(start_pos, line)
self.assertEqual(expected, result)
start_pos = 15
next_word_pos = 23
expected = (next_word_pos, line)
result = forward_word(start_pos, line)
self.assertEqual(expected, result)
def test_forward_word_tabs(self):
line = "going from here to_here"
start_pos = 11
next_word_pos = 15
expected = (next_word_pos, line)
result = forward_word(start_pos, line)
self.assertEqual(expected, result)
start_pos = 15
next_word_pos = 28
expected = (next_word_pos, line)
result = forward_word(start_pos, line)
self.assertEqual(expected, result)
def test_forward_word_end(self):
line = "going from here to_here"
start_pos = 16
next_word_pos = 23
expected = (next_word_pos, line)
result = forward_word(start_pos, line)
self.assertEqual(expected, result)
start_pos = 22
next_word_pos = 23
expected = (next_word_pos, line)
result = forward_word(start_pos, line)
self.assertEqual(expected, result)
start_pos = 23
next_word_pos = 23
expected = (next_word_pos, line)
result = forward_word(start_pos, line)
self.assertEqual(expected, result)
def test_forward_word_empty(self):
line = ""
start_pos = 0
next_word_pos = 0
expected = (next_word_pos, line)
result = forward_word(start_pos, line)
self.assertEqual(expected, result)
def test_back_word(self):
line = "going to here from_here"
start_pos = 14
prev_word_pos = 9
self.assertEqual(line[start_pos], "f")
self.assertEqual(line[prev_word_pos], "h")
expected = (prev_word_pos, line)
result = back_word(start_pos, line)
self.assertEqual(expected, result)
def test_last_word_pos(self):
line = "a word"
expected = 2
result = last_word_pos(line)
self.assertEqual(expected, result)
def test_last_word_pos_single_word(self):
line = "word"
expected = 0
result = last_word_pos(line)
self.assertEqual(expected, result)
def test_delete(self):
line = "deletion line"
pos = 3
expected = (3, "deltion line")
result = delete(pos, line)
self.assertEqual(expected, result)
def test_delete_from_cursor_back(self):
line = "everything before this will be deleted"
expected = (0, "this will be deleted")
result = delete_from_cursor_back(line.find("this"), line)
self.assertEqual(expected, result)
def test_delete_from_cursor_forward(self):
line = "everything after this will be deleted"
pos = line.find("this")
expected = (pos, "everything after ")
result = delete_from_cursor_forward(line.find("this"), line)[:-1]
self.assertEqual(expected, result)
self.assertEqual(delete_from_cursor_forward(0, ""), (0, "", ""))
def test_delete_rest_of_word(self):
self.try_stages_kill(
[
"z|s;df asdf d s;a;a",
"z|;df asdf d s;a;a",
"z| asdf d s;a;a",
"z| d s;a;a",
"z| s;a;a",
"z|;a;a",
"z|;a",
"z|",
"z|",
],
delete_rest_of_word,
)
def test_delete_word_to_cursor(self):
self.try_stages_kill(
[
" a;d sdf ;a;s;d; fjksald|a",
" a;d sdf ;a;s;d; |a",
" a;d sdf |a",
" a;d |a",
" |a",
"|a",
"|a",
],
delete_word_to_cursor,
)
def test_yank_prev_killed_text(self):
pass
def test_yank_prev_prev_killed_text(self):
pass
def try_stages(self, strings, func):
if not all("|" in s for s in strings):
raise ValueError("Need to use '|' to specify cursor")
stages = [(s.index("|"), s.replace("|", "")) for s in strings]
for (initial_pos, initial), (final_pos, final) in zip(
stages[:-1], stages[1:]
):
self.assertEqual(func(initial_pos, initial), (final_pos, final))
def try_stages_kill(self, strings, func):
if not all("|" in s for s in strings):
raise ValueError("Need to use '|' to specify cursor")
stages = [(s.index("|"), s.replace("|", "")) for s in strings]
for (initial_pos, initial), (final_pos, final) in zip(
stages[:-1], stages[1:]
):
self.assertEqual(
func(initial_pos, initial)[:-1], (final_pos, final)
)
def test_transpose_character_before_cursor(self):
self.try_stages(
[
"as|df asdf",
"ads|f asdf",
"adfs| asdf",
"adf s|asdf",
"adf as|sdf",
],
transpose_character_before_cursor,
)
def test_transpose_empty_line(self):
self.assertEqual(transpose_character_before_cursor(0, ""), (0, ""))
def test_transpose_first_character(self):
self.assertEqual(transpose_character_before_cursor(0, "a"), (0, "a"))
self.assertEqual(transpose_character_before_cursor(0, "as"), (0, "as"))
def test_transpose_end_of_line(self):
self.assertEqual(transpose_character_before_cursor(1, "a"), (1, "a"))
self.assertEqual(transpose_character_before_cursor(2, "as"), (2, "sa"))
def test_transpose_word_before_cursor(self):
pass
def test_backspace(self):
self.assertEqual(backspace(2, "as"), (1, "a"))
self.assertEqual(backspace(3, "as "), (2, "as"))
def test_delete_word_from_cursor_back(self):
self.try_stages_kill(
[
"asd;fljk asd;lfjas;dlkfj asdlk jasdf;ljk|",
"asd;fljk asd;lfjas;dlkfj asdlk jasdf;|",
"asd;fljk asd;lfjas;dlkfj asdlk |",
"asd;fljk asd;lfjas;dlkfj |",
"asd;fljk asd;lfjas;|",
"asd;fljk asd;|",
"asd;fljk |",
"asd;|",
"|",
"|",
],
delete_word_from_cursor_back,
)
self.try_stages_kill(
[" (( asdf |", " (( |", "|"], delete_word_from_cursor_back
)
class TestEdits(unittest.TestCase):
def setUp(self):
self.edits = UnconfiguredEdits()
def test_seq(self):
def f(cursor_offset, line):
return ("hi", 2)
self.edits.add("a", f)
self.assertIn("a", self.edits)
self.assertEqual(self.edits["a"], f)
self.assertEqual(
self.edits.call("a", cursor_offset=3, line="hello"), ("hi", 2)
)
with self.assertRaises(KeyError):
self.edits["b"]
with self.assertRaises(KeyError):
self.edits.call("b")
def test_functions_with_bad_signatures(self):
def f(something):
return (1, 2)
with self.assertRaises(TypeError):
self.edits.add("a", f)
def g(cursor_offset, line, something, something_else):
return (1, 2)
with self.assertRaises(TypeError):
self.edits.add("a", g)
def test_functions_with_bad_return_values(self):
def f(cursor_offset, line):
return ("hi",)
with self.assertRaises(ValueError):
self.edits.add("a", f)
def g(cursor_offset, line):
return ("hi", 1, 2, 3)
with self.assertRaises(ValueError):
self.edits.add("b", g)
def test_config(self):
def f(cursor_offset, line):
return ("hi", 2)
def g(cursor_offset, line):
return ("hey", 3)
self.edits.add_config_attr("att", f)
self.assertNotIn("att", self.edits)
class config:
att = "c"
key_dispatch = {"c": "c"}
configured_edits = self.edits.mapping_with_config(config, key_dispatch)
self.assertTrue(configured_edits.__contains__, "c")
self.assertNotIn("c", self.edits)
with self.assertRaises(NotImplementedError):
configured_edits.add_config_attr("att2", g)
with self.assertRaises(NotImplementedError):
configured_edits.add("d", g)
self.assertEqual(
configured_edits.call("c", cursor_offset=5, line="asfd"), ("hi", 2)
)
if __name__ == "__main__":
unittest.main()