summaryrefslogtreecommitdiffstats
path: root/tests/test_completion_refresher.py
blob: 620a364a14eb6f1bfc4a38ac040084d21ee9f3b3 (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
87
88
89
90
91
92
93
94
import time
import pytest
from mock import Mock, patch


@pytest.fixture
def refresher():
    from litecli.completion_refresher import CompletionRefresher

    return CompletionRefresher()


def test_ctor(refresher):
    """Refresher object should contain a few handlers.

    :param refresher:
    :return:

    """
    assert len(refresher.refreshers) > 0
    actual_handlers = list(refresher.refreshers.keys())
    expected_handlers = [
        "databases",
        "schemata",
        "tables",
        "functions",
        "special_commands",
    ]
    assert expected_handlers == actual_handlers


def test_refresh_called_once(refresher):
    """

    :param refresher:
    :return:
    """
    callbacks = Mock()
    sqlexecute = Mock()

    with patch.object(refresher, "_bg_refresh") as bg_refresh:
        actual = refresher.refresh(sqlexecute, callbacks)
        time.sleep(1)  # Wait for the thread to work.
        assert len(actual) == 1
        assert len(actual[0]) == 4
        assert actual[0][3] == "Auto-completion refresh started in the background."
        bg_refresh.assert_called_with(sqlexecute, callbacks, {})


def test_refresh_called_twice(refresher):
    """If refresh is called a second time, it should be restarted.

    :param refresher:
    :return:

    """
    callbacks = Mock()

    sqlexecute = Mock()

    def dummy_bg_refresh(*args):
        time.sleep(3)  # seconds

    refresher._bg_refresh = dummy_bg_refresh

    actual1 = refresher.refresh(sqlexecute, callbacks)
    time.sleep(1)  # Wait for the thread to work.
    assert len(actual1) == 1
    assert len(actual1[0]) == 4
    assert actual1[0][3] == "Auto-completion refresh started in the background."

    actual2 = refresher.refresh(sqlexecute, callbacks)
    time.sleep(1)  # Wait for the thread to work.
    assert len(actual2) == 1
    assert len(actual2[0]) == 4
    assert actual2[0][3] == "Auto-completion refresh restarted."


def test_refresh_with_callbacks(refresher):
    """Callbacks must be called.

    :param refresher:

    """
    callbacks = [Mock()]
    sqlexecute_class = Mock()
    sqlexecute = Mock()

    with patch("litecli.completion_refresher.SQLExecute", sqlexecute_class):
        # Set refreshers to 0: we're not testing refresh logic here
        refresher.refreshers = {}
        refresher.refresh(sqlexecute, callbacks)
        time.sleep(1)  # Wait for the thread to work.
        assert callbacks[0].call_count == 1