class QgisServerCheckerDialogTest(unittest.TestCase):
    """Test dialog works."""

    def setUp(self):
        """Runs before each test."""
        self.dialog = QgisServerCheckerDialog(None)

    def tearDown(self):
        """Runs after each test."""
        self.dialog = None

    def test_dialog_ok(self):
        """Test we can click OK."""

        button = self.dialog.button_box.button(QDialogButtonBox.Ok)
        button.click()
        result = self.dialog.result()
        self.assertEqual(result, QDialog.Accepted)

    def test_dialog_cancel(self):
        """Test we can click cancel."""
        button = self.dialog.button_box.button(QDialogButtonBox.Cancel)
        button.click()
        result = self.dialog.result()
        self.assertEqual(result, QDialog.Rejected)
    def __init__(self, iface):
        """Constructor.

        :param iface: An interface instance that will be passed to this class
            which provides the hook by which you can manipulate the QGIS
            application at run time.
        :type iface: QgsInterface
        """
        # Save reference to the QGIS interface
        self.iface = iface
        # initialize plugin directory
        self.plugin_dir = os.path.dirname(__file__)
        # initialize locale
        locale = QSettings().value('locale/userLocale')[0:2]
        locale_path = os.path.join(
            self.plugin_dir,
            'i18n',
            '{}.qm'.format(locale))
            #'QgisServerChecker_{}.qm'.format(locale))

        if os.path.exists(locale_path):
            self.translator = QTranslator()
            self.translator.load(locale_path)

            if qVersion() > '4.3.3':
                QCoreApplication.installTranslator(self.translator)

        # Create the dialog (after translation) and keep reference
        self.dlg = QgisServerCheckerDialog()

        # Declare instance attributes
        self.actions = []
        self.menu = self.tr(u'&QGIS Server Checker')
        # TODO: We are going to let the user set this up in a future iteration
        self.toolbar = self.iface.addToolBar(u'QgisServerChecker')
        self.toolbar.setObjectName(u'QgisServerChecker')
class QgisServerChecker:
    """QGIS Plugin Implementation."""

    def __init__(self, iface):
        """Constructor.

        :param iface: An interface instance that will be passed to this class
            which provides the hook by which you can manipulate the QGIS
            application at run time.
        :type iface: QgsInterface
        """
        # Save reference to the QGIS interface
        self.iface = iface
        # initialize plugin directory
        self.plugin_dir = os.path.dirname(__file__)
        # initialize locale
        locale = QSettings().value('locale/userLocale')[0:2]
        locale_path = os.path.join(
            self.plugin_dir,
            'i18n',
            '{}.qm'.format(locale))
            #'QgisServerChecker_{}.qm'.format(locale))

        if os.path.exists(locale_path):
            self.translator = QTranslator()
            self.translator.load(locale_path)

            if qVersion() > '4.3.3':
                QCoreApplication.installTranslator(self.translator)

        # Create the dialog (after translation) and keep reference
        self.dlg = QgisServerCheckerDialog()

        # Declare instance attributes
        self.actions = []
        self.menu = self.tr(u'&QGIS Server Checker')
        # TODO: We are going to let the user set this up in a future iteration
        self.toolbar = self.iface.addToolBar(u'QgisServerChecker')
        self.toolbar.setObjectName(u'QgisServerChecker')

    # noinspection PyMethodMayBeStatic
    def tr(self, message):
        """Get the translation for a string using Qt translation API.

        We implement this ourselves since we do not inherit QObject.

        :param message: String for translation.
        :type message: str, QString

        :returns: Translated version of message.
        :rtype: QString
        """
        # noinspection PyTypeChecker,PyArgumentList,PyCallByClass
        return QCoreApplication.translate('QgisServerChecker', message)


    def add_action(
        self,
        icon_path,
        text,
        callback,
        enabled_flag=True,
        add_to_menu=True,
        add_to_toolbar=True,
        status_tip=None,
        whats_this=None,
        parent=None):
        """Add a toolbar icon to the toolbar.

        :param icon_path: Path to the icon for this action. Can be a resource
            path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
        :type icon_path: str

        :param text: Text that should be shown in menu items for this action.
        :type text: str

        :param callback: Function to be called when the action is triggered.
        :type callback: function

        :param enabled_flag: A flag indicating if the action should be enabled
            by default. Defaults to True.
        :type enabled_flag: bool

        :param add_to_menu: Flag indicating whether the action should also
            be added to the menu. Defaults to True.
        :type add_to_menu: bool

        :param add_to_toolbar: Flag indicating whether the action should also
            be added to the toolbar. Defaults to True.
        :type add_to_toolbar: bool

        :param status_tip: Optional text to show in a popup when mouse pointer
            hovers over the action.
        :type status_tip: str

        :param parent: Parent widget for the new action. Defaults None.
        :type parent: QWidget

        :param whats_this: Optional text to show in the status bar when the
            mouse pointer hovers over the action.

        :returns: The action that was created. Note that the action is also
            added to self.actions list.
        :rtype: QAction
        """

        icon = QIcon(icon_path)
        action = QAction(icon, text, parent)
        action.triggered.connect(callback)
        action.setEnabled(enabled_flag)

        if status_tip is not None:
            action.setStatusTip(status_tip)

        if whats_this is not None:
            action.setWhatsThis(whats_this)

        if add_to_toolbar:
            self.toolbar.addAction(action)

        if add_to_menu:
            self.iface.addPluginToMenu(
                self.menu,
                action)

        self.actions.append(action)

        return action

    def initGui(self):
        """Create the menu entries and toolbar icons inside the QGIS GUI."""

        icon_path = ':/plugins/QgisServerChecker/icon.png'
        self.add_action(
            icon_path,
            text=self.tr(u'QGIS Server Checker'),
            callback=self.run,
            parent=self.iface.mainWindow())

        self.dlg.mCheckButton.clicked.connect( self.checkQGISServer )


    def unload(self):
        """Removes the plugin menu item and icon from QGIS GUI."""
        for action in self.actions:
            self.iface.removePluginMenu(
                self.tr(u'&QGIS Server Checker'),
                action)
            self.iface.removeToolBarIcon(action)
        # remove the toolbar
        del self.toolbar


    def checkQGISServer(self):
        """Check the QGIS Server configuration"""
        self.dlg.bar.clearWidgets()
        self.dlg.mMessageText.clear()
        self.dlg.mMessageText.append(self.tr("Start checking QGIS Server"))

        treeRoot = self.iface.layerTreeView().layerTreeModel().rootGroup()
        layerNames = []
        groupNames = []
        encodingMessages = []
        self.checkGroupQGISServer(treeRoot, layerNames, groupNames, encodingMessages)

        duplicateNames = []
        for name in layerNames:
            if name in duplicateNames:
                continue
            if name in groupNames or layerNames.count(name) > 1:
                duplicateNames.append( name )
        for name in groupNames:
            if name in duplicateNames:
                continue
            if name in layerNames or groupNames.count(name) > 1:
                duplicateNames.append( name )

        if len(duplicateNames):
            self.dlg.bar.pushMessage(self.tr("Name"), self.tr("Some layers and groups have the same name"), level=QgsMessageBar.CRITICAL)
            self.dlg.mMessageText.append(self.tr("Duplicate names:"))
            for n in duplicateNames:
                self.dlg.mMessageText.append(n)

        if len(encodingMessages):
            self.dlg.bar.pushMessage(self.tr("Encoding"), self.tr("Some layer encoding not set"), level=QgsMessageBar.CRITICAL)
            for m in encodingMessages:
                self.dlg.mMessageText.append(m)

        if not len(duplicateNames) and not len(encodingMessages):
            self.dlg.bar.pushMessage(self.tr("Result"), self.tr("Well configured project"), level=QgsMessageBar.INFO)
        self.dlg.mMessageText.append(self.tr("End checking QGIS Server"))


    def checkGroupQGISServer(self, treeGroup, layerNames, groupNames, encodingMessages):
        for child in treeGroup.children():
            if isinstance(child, QgsLayerTreeGroup):
                groupNames.append(child.name())
                self.checkGroupQGISServer( child, layerNames, groupNames, encodingMessages )
            elif isinstance(child, QgsLayerTreeLayer):
                l = child.layer()
                layerNames.append(l.name())
                if hasattr( l.dataProvider(), 'encoding' ):
                    enc = l.dataProvider().encoding()
                    if enc == 'System':
                        if not len(encodingMessages):
                            encodingMessages.append(self.tr('Encoding messages:'))
                        encodingMessages.append(self.tr('Update layer "%s" encoding') % l.name())


    def run(self):
        """Run method that performs all the real work"""
        # show the dialog
        self.dlg.show()
        # Run the dialog event loop
        result = self.dlg.exec_()
        # See if OK was pressed
        if result:
            # Do something useful here - delete the line containing pass and
            # substitute with your code.
            pass
 def setUp(self):
     """Runs before each test."""
     self.dialog = QgisServerCheckerDialog(None)