moving MAX_WORLD_ID to qtutils, changing test names, fixing linter errors, changing error type to WebTabError

qutebrowser/browser/commands.py

@@ -41,8 +41,6 @@ from qutebrowser.misc import editor, guiprocess
 from qutebrowser.completion.models import urlmodel, miscmodels
 from qutebrowser.mainwindow import mainwindow
 
-# WORKAROUND for https://bugreports.qt.io/browse/QTBUG-69904
-MAX_WORLD_ID = 256 if qtutils.version_check('5.11.2') else 11
 
 class CommandDispatcher:
 
@@ -2089,8 +2087,8 @@ class CommandDispatcher:
         widget = self._current_widget()
         try:
             widget.run_js_async(js_code, callback=jseval_cb, world=world)
-        except OverflowError:
-            raise cmdexc.CommandError("World ID should be between 0 and " + str(MAX_WORLD_ID))
+        except browsertab.WebTabError as e:
+            raise cmdexc.CommandError(str(e))
 
     @cmdutils.register(instance='command-dispatcher', scope='window')
     def fake_key(self, keystring, global_=False):

qutebrowser/browser/webengine/webenginetab.py

@@ -47,10 +47,6 @@ from qutebrowser.qt import sip
 _qute_scheme_handler = None
 
 
-# WORKAROUND for https://bugreports.qt.io/browse/QTBUG-69904
-MAX_WORLD_ID = 256 if qtutils.version_check('5.11.2') else 11
-
-
 def init():
     """Initialize QtWebEngine-specific modules."""
     # For some reason we need to keep a reference, otherwise the scheme handler
@@ -952,11 +948,14 @@ class _WebEngineScripts(QObject):
             new_script = QWebEngineScript()
             try:
                 world = int(script.jsworld)
-                if not 0 <= world <= MAX_WORLD_ID:
+                if not 0 <= world <= qtutils.MAX_WORLD_ID:
                     log.greasemonkey.error(
                         "script {} has invalid value for '@qute-js-world'"
-                        ": {}, should be between 0 and "
-                        "{}".format(script.name, script.jsworld, MAX_WORLD_ID))
+                        ": {}, should be between 0 and {}"
+                        .format(
+                            script.name,
+                            script.jsworld,
+                            qtutils.MAX_WORLD_ID))
                     continue
             except ValueError:
                 try:
@@ -1075,8 +1074,10 @@ class WebEngineTab(browsertab.AbstractTab):
             world_id = QWebEngineScript.ApplicationWorld
         elif isinstance(world, int):
             world_id = world
-            if not 0 <= world_id <= MAX_WORLD_ID:
-                raise OverflowError
+            if not 0 <= world_id <= qtutils.MAX_WORLD_ID:
+                raise browsertab.WebTabError(
+                    "World ID should be between 0 and {}"
+                    .format(qtutils.MAX_WORLD_ID))
         else:
             world_id = _JS_WORLD_MAP[world]
 

qutebrowser/utils/qtutils.py

@@ -24,6 +24,7 @@ Module attributes:
              value.
     MINVALS: A dictionary of C/Qt types (as string) mapped to their minimum
              value.
+    MAX_WORLD_ID: The highest World ID allowed in this version of QtWebEngine
 """
 
 
@@ -98,6 +99,10 @@ def version_check(version, exact=False, compiled=True):
     return result
 
 
+# WORKAROUND for https://bugreports.qt.io/browse/QTBUG-69904
+MAX_WORLD_ID = 256 if version_check('5.11.2') else 11
+
+
 def is_new_qtwebkit():
     """Check if the given version is a new QtWebKit."""
     assert qWebKitVersion is not None

tests/end2end/features/misc.feature

@@ -119,22 +119,22 @@ Feature: Various utility commands.
         And "No output or error" should be logged
 
     @qtwebkit_skip @qt>=5.11.2
-    Scenario: :jseval using too high of a world id
+    Scenario: :jseval using too high of a world id in Qt versions bigger than 5.11.2
         When I run :jseval --world=257 console.log("Hello from JS!");
         Then the error "World ID should be between 0 and 256" should be shown
 
     @qtwebkit_skip @qt<5.11.2
-    Scenario: :jseval using too high of a world id
+    Scenario: :jseval using too high of a world id in Qt versions smaller than 5.11.2
         When I run :jseval --world=12 console.log("Hello from JS!");
         Then the error "World ID should be between 0 and 11" should be shown
 
     @qtwebkit_skip @qt>=5.11.2
-    Scenario: :jseval using a negative world id
+    Scenario: :jseval using a negative world id in Qt versions bigger than 5.11.2
         When I run :jseval --world=-1 console.log("Hello from JS!");
         Then the error "World ID should be between 0 and 256" should be shown
 
     @qtwebkit_skip @qt<5.11.2
-    Scenario: :jseval using a negative world id
+    Scenario: :jseval using a negative world id in Qt versions smaller than 5.11.2
         When I run :jseval --world=-1 console.log("Hello from JS!");
         Then the error "World ID should be between 0 and 11" should be shown