1 files changed, 102 insertions, 0 deletions
diff --git a/tests/unit/misc/test_crashsignal.py b/tests/unit/misc/test_crashsignal.py
new file mode 100644
index 000000000..e4570420e
--- /dev/null
+++ b/tests/unit/misc/test_crashsignal.py
@@ -0,0 +1,102 @@
+# SPDX-FileCopyrightText: Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+"""Tests for qutebrowser.misc.crashsignal."""
+
+import signal
+
+import pytest
+
+from qutebrowser.config import configexc
+from qutebrowser.qt.widgets import QApplication
+from qutebrowser.misc import crashsignal, quitter
+
+
+@pytest.fixture
+def read_config_mock(mocker):
+    # covers reload_config
+    mocker.patch.object(
+        crashsignal.standarddir,
+        "config_py",
+        return_value="config.py-unittest",
+    )
+    return mocker.patch.object(
+        crashsignal.configfiles,
+        "read_config_py",
+        autospec=True,
+    )
+
+
+@pytest.fixture
+def signal_handler(qtbot, mocker, read_config_mock):
+    """Signal handler instance with all external methods mocked out."""
+    # covers init
+    mocker.patch.object(crashsignal.sys, "exit", autospec=True)
+    signal_handler = crashsignal.SignalHandler(
+        app=mocker.Mock(spec=QApplication),
+        quitter=mocker.Mock(spec=quitter.Quitter),
+    )
+
+    return signal_handler
+
+
+def test_handlers_registered(signal_handler):
+    signal_handler.activate()
+
+    for sig, handler in signal_handler._handlers.items():
+        registered = signal.signal(sig, signal.SIG_DFL)
+        assert registered == handler
+
+
+def test_handlers_deregistered(signal_handler):
+    known_handler = lambda *_args: None
+    for sig in signal_handler._handlers:
+        signal.signal(sig, known_handler)
+
+    signal_handler.activate()
+    signal_handler.deactivate()
+
+    for sig in signal_handler._handlers:
+        registered = signal.signal(sig, signal.SIG_DFL)
+        assert registered == known_handler
+
+
+def test_interrupt_repeatedly(signal_handler):
+    signal_handler.activate()
+    test_signal = signal.SIGINT
+
+    expected_handlers = [
+        signal_handler.interrupt,
+        signal_handler.interrupt_forcefully,
+        signal_handler.interrupt_really_forcefully,
+    ]
+
+    # Call the SIGINT handler multiple times and make sure it calls the
+    # expected sequence of functions.
+    for expected in expected_handlers:
+        registered = signal.signal(test_signal, signal.SIG_DFL)
+        assert registered == expected
+        expected(test_signal, None)
+
+
+def test_reload_config_call_on_hup(signal_handler, read_config_mock):
+    signal_handler._handlers[signal.SIGHUP](None, None)
+
+    read_config_mock.assert_called_once_with("config.py-unittest")
+
+
+def test_reload_config_displays_errors(signal_handler, read_config_mock, mocker):
+    read_config_mock.side_effect = configexc.ConfigFileErrors(
+        "config.py",
+        [
+            configexc.ConfigErrorDesc("no config.py", ValueError("asdf"))
+        ]
+    )
+    message_mock = mocker.patch.object(crashsignal.message, "error")
+
+    signal_handler._handlers[signal.SIGHUP](None, None)
+
+    message_mock.assert_called_once_with(
+        "Errors occurred while reading config.py:\n  no config.py: asdf"
+    )