Remove service workers based on QtWebEngine version

See https://bugreports.qt.io/browse/QTBUG-93744

(cherry picked from commit b03b03bdf6e02e13b348689bf7b18196432f232b)

Additional fixups:

Store initial QtWebEngine version
(cherry picked from commit 948fd5040d81228452fd72a0170a0d8fe35839a9)

Fix state config unit tests
(cherry picked from commit 335ed484c1f8b6e5417d9000ae226b4f9a85b28f)

Fix running without QtWebEngine
(cherry picked from commit 57ed85ffad3278d159d1ebd03081a5e719b952cb)

Remove unused imports
(cherry picked from commit 9e52ad621ac44d0391c2c6d9dbdda967f7ce95f0)

Fix tests without QtWebEngine
(cherry picked from commit ac12fcd714c699f927170b3d0508336940366bac)

1 files changed, 58 insertions, 3 deletions

diff --git a/tests/unit/config/test_configfiles.py b/tests/unit/config/test_configfiles.py
index e0d64bffc..65952ddb4 100644
--- a/tests/unit/config/test_configfiles.py
+++ b/tests/unit/config/test_configfiles.py
@@ -29,7 +29,7 @@ from PyQt5.QtCore import QSettings
 
 from qutebrowser.config import (config, configfiles, configexc, configdata,
                                 configtypes)
-from qutebrowser.utils import utils, usertypes, urlmatch, standarddir
+from qutebrowser.utils import utils, usertypes, urlmatch, standarddir, version
 from qutebrowser.keyinput import keyutils
 
 
@@ -81,6 +81,7 @@ def autoconfig(config_tmpdir):
      False,
      '[general]\n'
      'qt_version = 5.6.7\n'
+     'qtwe_version = 7.8.9\n'
      'version = 1.2.3\n'
      '\n'
      '[geometry]\n'
@@ -92,6 +93,7 @@ def autoconfig(config_tmpdir):
      False,
      '[general]\n'
      'qt_version = 5.6.7\n'
+     'qtwe_version = 7.8.9\n'
      'version = 1.2.3\n'
      '\n'
      '[geometry]\n'
@@ -104,6 +106,7 @@ def autoconfig(config_tmpdir):
      '[general]\n'
      'foobar = 42\n'
      'qt_version = 5.6.7\n'
+     'qtwe_version = 7.8.9\n'
      'version = 1.2.3\n'
      '\n'
      '[geometry]\n'
@@ -114,6 +117,7 @@ def autoconfig(config_tmpdir):
      True,
      '[general]\n'
      'qt_version = 5.6.7\n'
+     'qtwe_version = 7.8.9\n'
      'version = 1.2.3\n'
      'newval = 23\n'
      '\n'
@@ -122,10 +126,13 @@ def autoconfig(config_tmpdir):
      '[inspector]\n'
      '\n'),
 ])
-def test_state_config(fake_save_manager, data_tmpdir, monkeypatch,
-                      old_data, insert, new_data):
+def test_state_config(
+    fake_save_manager, data_tmpdir, monkeypatch, qtwe_version_patcher,
+    old_data, insert, new_data
+):
     monkeypatch.setattr(configfiles.qutebrowser, '__version__', '1.2.3')
     monkeypatch.setattr(configfiles, 'qVersion', lambda: '5.6.7')
+    qtwe_version_patcher('7.8.9')
 
     statefile = data_tmpdir / 'state'
     if old_data is not None:
@@ -157,6 +164,28 @@ def state_writer(data_tmpdir):
     return _write
 
 
+@pytest.fixture
+def qtwe_version_patcher(monkeypatch):
+    try:
+        from PyQt5 import QtWebEngineWidgets  # pylint: disable=unused-import
+    except ImportError:
+        pytest.skip("QtWebEngine not available")
+
+    def patch(ver):
+        monkeypatch.setattr(
+            configfiles.version,
+            'qtwebengine_versions',
+            lambda avoid_init=False:
+                version.WebEngineVersions(
+                    webengine=utils.VersionNumber.parse(ver),
+                    chromium=None,
+                    source='test',
+                )
+        )
+
+    return patch
+
+
 @pytest.mark.parametrize('old_version, new_version, changed', [
     (None, '5.12.1', False),
     ('5.12.1', '5.12.1', False),
@@ -176,6 +205,32 @@ def test_qt_version_changed(state_writer, monkeypatch,
     assert state.qt_version_changed == changed
 
 
+@pytest.mark.parametrize('old_version, new_version, changed', [
+    (None, '5.15.1', False),
+    ('5.15.1', '5.15.1', False),
+    ('5.15.1', '5.15.2', True),
+    ('5.14.0', '5.15.2', True),
+])
+def test_qtwe_version_changed(state_writer, qtwe_version_patcher,
+                              old_version, new_version, changed):
+    qtwe_version_patcher(new_version)
+
+    if old_version is not None:
+        state_writer('qtwe_version', old_version)
+
+    state = configfiles.StateConfig()
+    assert state.qtwe_version_changed == changed
+
+
+def test_qtwe_version_changed_webkit(stubs, monkeypatch, state_writer):
+    fake = stubs.ImportFake({'PyQt5.QtWebEngineWidgets': False}, monkeypatch)
+    fake.patch()
+
+    state_writer('qtwe_version', 'no')
+    state = configfiles.StateConfig()
+    assert not state.qtwe_version_changed
+
+
 @pytest.mark.parametrize('old_version, new_version, expected', [
     (None, '2.0.0', configfiles.VersionChange.unknown),
     ('1.14.1', '1.14.1', configfiles.VersionChange.equal),