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Wait until the mtime changed

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This commit is contained in:
Florian Bruhin 2018-02-07 21:40:03 +01:00
parent a8733d7228
commit abd56a5abd
1 changed files with 17 additions and 4 deletions
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21
tests/unit/misc/test_editor.py
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@ -19,6 +19,7 @@
"""Tests for qutebrowser.misc.editor.""" """Tests for qutebrowser.misc.editor."""
import time
import os import os
import os.path import os.path
import logging import logging
@ -179,19 +180,31 @@ def test_modify(qtbot, editor, initial_text, edited_text):
assert blocker.args == [edited_text] assert blocker.args == [edited_text]
def _update_file(filename, contents):
"""Update the given file and make sure its mtime changed.
This might write the file multiple times, but different systems have
different mtime's, so we can't be sure how long to wait otherwise.
"""
old_mtime = new_mtime = os.stat(filename).st_mtime
while old_mtime == new_mtime:
time.sleep(0.1)
with open(filename, 'w', encoding='utf-8') as f:
f.write(contents)
new_mtime = os.stat(filename).st_mtime
def test_modify_watch(qtbot): def test_modify_watch(qtbot):
"""Test that saving triggers file_updated when watch=True.""" """Test that saving triggers file_updated when watch=True."""
editor = editormod.ExternalEditor(watch=True) editor = editormod.ExternalEditor(watch=True)
editor.edit('foo') editor.edit('foo')
with qtbot.wait_signal(editor.file_updated, timeout=3000) as blocker: with qtbot.wait_signal(editor.file_updated, timeout=3000) as blocker:
with open(editor._filename, 'w', encoding='utf-8') as f: _update_file(editor._filename, 'bar')
f.write('bar')
assert blocker.args == ['bar'] assert blocker.args == ['bar']
with qtbot.wait_signal(editor.file_updated) as blocker: with qtbot.wait_signal(editor.file_updated) as blocker:
with open(editor._filename, 'w', encoding='utf-8') as f: _update_file(editor._filename, 'baz')
f.write('baz')
assert blocker.args == ['baz'] assert blocker.args == ['baz']
with qtbot.assert_not_emitted(editor.file_updated): with qtbot.assert_not_emitted(editor.file_updated):