bdd: Add some tests for :set.

tests/integration/features/set.feature

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+Feature: Setting settings.
+
+    Background:
+        Given I set ui -> message-timeout to 100
+
+    Scenario: Using :set
+        When I run :set colors statusbar.bg magenta
+        Then colors -> statusbar.bg should be magenta
+
+    Scenario: Only a section
+        When I run :set colors
+        Then the error "set: Either both section and option have to be given, or neither!" should be shown.
+
+    Scenario: Without value
+        When I run :set colors statusbar.bg
+        Then the error "set: The following arguments are required: value" should be shown.
+
+    Scenario: Invalid section
+        When I run :set blah blub foo
+        Then the error "set: NoSectionError - Section 'blah' does not exist!" should be shown.
+
+    Scenario: Invalid option
+        When I run :set general blub foo
+        Then the error "set: NoOptionError - No option 'blub' in section 'general'" should be shown.
+
+    Scenario: Toggling an option
+        When I run :set general auto-save-config false
+        And I run :set general auto-save-config!
+        Then general -> auto-save-config should be True
+
+    Scenario: Toggling a non-bool option
+        When I run :set colors statusbar.bg!
+        Then the error "set: Attempted inversion of non-boolean value." should be shown.
+
+    Scenario: Getting an option
+        When I run :set colors statusbar.bg magenta
+        And I run :set colors statusbar.bg?
+        Then the message "colors statusbar.bg = magenta" should be shown.
+
+    Scenario: Using -p
+        When I run :set -p colors statusbar.bg red
+        Then the message "colors statusbar.bg = red" should be shown.
+
+    Scenario: Setting a temporary option
+        # We don't actually check if the option is temporary as this isn't easy
+        # to check.
+        When I run :set -t colors statusbar.bg green
+        Then colors -> statusbar.bg should be green
+
+    Scenario: Opening qute:settings
+        When I run :set
+        And I wait for "load status for <qutebrowser.browser.webview.WebView tab_id=0 url='qute:settings'>: LoadStatus.success" in the log
+        Then the session should look like:
+          windows:
+          - tabs:
+            - active: true
+              history:
+              - url: about:blank
+              - active: true
+                url: qute:settings

tests/integration/features/test_set.py

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+# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
+
+# Copyright 2015 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+#
+# This file is part of qutebrowser.
+#
+# qutebrowser is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# qutebrowser is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+
+import logging
+
+import pytest_bdd as bdd
+bdd.scenarios('set.feature')
+
+
+@bdd.then(bdd.parsers.parse("{section} -> {option} should be {value}"))
+def check_option(quteproc, section, option, value):
+    quteproc.send_cmd(':set {} {}?'.format(section, option))
+    msg = quteproc.wait_for(loglevel=logging.INFO, category='message',
+                            message='{} {} = *'.format(section, option))
+    actual_value = msg.message.split(' = ')[1]
+    assert actual_value == value