# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:

# Copyright 2015-2017 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/>.

"""Tests for position_caret.js."""

import os
import pytest
from qutebrowser.utils import javascript
from qutebrowser.browser import shared
from qutebrowser.config import config
from PyQt5.QtWebEngineWidgets import QWebEngineSettings

class StylesheetTester:

    """Helper class (for the caret_tester fixture) for asserts.

    Attributes:
        js: The js_tester fixture.
    """

    def __init__(self, js_tester):
        self.js = js_tester

    def check(self):
        """Check whether the caret is before the MARKER text."""
        self.js.run('window._qutebrowser = window._qutebrowser || {};', {})
        self.js.run_file('stylesheet.js', {})
        code = javascript.assemble('stylesheet', 'set_css',
                            "body {background-color: lightblue;}")
        self.js.run(code, None)
        self.js.run("window.getComputedStyle(document.body, null).getPropertyValue('background-color')", "rgb(173, 216, 230)")


@pytest.fixture
@pytest.mark.usefixtures('redirect_webengine_data')
def stylesheet_tester(js_tester_webengine):
    """Helper fixture to test caret browsing positions."""
    ss_tester = StylesheetTester(js_tester_webengine)
    # Showing webview here is necessary for test_scrolled_down_img to
    # succeed in some cases, see #1988
    ss_tester.js.webview.show()
    return ss_tester


@pytest.mark.integration
def test_simple(stylesheet_tester):
    """Test with a simple (one-line) HTML text."""
    stylesheet_tester.js.load('stylesheet/simple.html')
    stylesheet_tester.check()