summaryrefslogtreecommitdiffstats
path: root/tests/test_yank_nth_arg.py
blob: 7167a26ab73c3a60a22de3a774d8a6cf745ec494 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
from __future__ import annotations

import pytest

from prompt_toolkit.buffer import Buffer
from prompt_toolkit.history import InMemoryHistory


@pytest.fixture
def _history():
    "Prefilled history."
    history = InMemoryHistory()
    history.append_string("alpha beta gamma delta")
    history.append_string("one two three four")
    return history


# Test yank_last_arg.


def test_empty_history():
    buf = Buffer()
    buf.yank_last_arg()
    assert buf.document.current_line == ""


def test_simple_search(_history):
    buff = Buffer(history=_history)
    buff.yank_last_arg()
    assert buff.document.current_line == "four"


def test_simple_search_with_quotes(_history):
    _history.append_string("""one two "three 'x' four"\n""")
    buff = Buffer(history=_history)
    buff.yank_last_arg()
    assert buff.document.current_line == '''"three 'x' four"'''


def test_simple_search_with_arg(_history):
    buff = Buffer(history=_history)
    buff.yank_last_arg(n=2)
    assert buff.document.current_line == "three"


def test_simple_search_with_arg_out_of_bounds(_history):
    buff = Buffer(history=_history)
    buff.yank_last_arg(n=8)
    assert buff.document.current_line == ""


def test_repeated_search(_history):
    buff = Buffer(history=_history)
    buff.yank_last_arg()
    buff.yank_last_arg()
    assert buff.document.current_line == "delta"


def test_repeated_search_with_wraparound(_history):
    buff = Buffer(history=_history)
    buff.yank_last_arg()
    buff.yank_last_arg()
    buff.yank_last_arg()
    assert buff.document.current_line == "four"


# Test yank_last_arg.


def test_yank_nth_arg(_history):
    buff = Buffer(history=_history)
    buff.yank_nth_arg()
    assert buff.document.current_line == "two"


def test_repeated_yank_nth_arg(_history):
    buff = Buffer(history=_history)
    buff.yank_nth_arg()
    buff.yank_nth_arg()
    assert buff.document.current_line == "beta"


def test_yank_nth_arg_with_arg(_history):
    buff = Buffer(history=_history)
    buff.yank_nth_arg(n=2)
    assert buff.document.current_line == "three"