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import time
import pytest
from unittest.mock import Mock, patch
@pytest.fixture
def refresher():
from pgcli.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 = [
"schemata",
"tables",
"views",
"types",
"databases",
"casing",
"functions",
]
assert expected_handlers == actual_handlers
def test_refresh_called_once(refresher):
"""
:param refresher:
:return:
"""
callbacks = Mock()
pgexecute = Mock()
special = Mock()
with patch.object(refresher, "_bg_refresh") as bg_refresh:
actual = refresher.refresh(pgexecute, special, 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(pgexecute, special, callbacks, None, None)
def test_refresh_called_twice(refresher):
"""
If refresh is called a second time, it should be restarted
:param refresher:
:return:
"""
callbacks = Mock()
pgexecute = Mock()
special = Mock()
def dummy_bg_refresh(*args):
time.sleep(3) # seconds
refresher._bg_refresh = dummy_bg_refresh
actual1 = refresher.refresh(pgexecute, special, 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(pgexecute, special, 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()]
pgexecute_class = Mock()
pgexecute = Mock()
pgexecute.extra_args = {}
special = Mock()
with patch("pgcli.completion_refresher.PGExecute", pgexecute_class):
# Set refreshers to 0: we're not testing refresh logic here
refresher.refreshers = {}
refresher.refresh(pgexecute, special, callbacks)
time.sleep(1) # Wait for the thread to work.
assert callbacks[0].call_count == 1
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