def test_is_gui_browser_available_text_browser(mocker):
webbrowser_get_mock = mocker.patch('webbrowser.get')
webbrowser_get_mock.return_value = webbrowser.GenericBrowser(name='')
assert launcher.is_gui_browser_available() is False
def test_is_gui_browser_available_no_browser(mocker):
webbrowser_get_mock = mocker.patch('webbrowser.get')
webbrowser_get_mock.side_effect = webbrowser.Error
assert launcher.is_gui_browser_available() is False
def test_is_gui_browser_available(mocker):
webbrowser_get_mock = mocker.patch('webbrowser.get')
webbrowser_get_mock.return_value = webbrowser.Opera()
assert launcher.is_gui_browser_available() is True