QGIS/tests/testdata/report_style_initialization_status.py

"""
***************************************************************************
*                                                                         *
*   This program 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 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************
"""

from qgis.core import (
    QgsStyle,
    QgsProcessingAlgorithm,
    QgsProcessingOutputBoolean,
)


class CheckStyleInitializationStatus(QgsProcessingAlgorithm):
    IS_INITIALIZED = 'IS_INITIALIZED'

    def createInstance(self):
        return CheckStyleInitializationStatus()

    def name(self):
        return 'checkstyleinitstatus'

    def displayName(self):
        return 'Check style initialization status'

    def shortDescription(self):
        return 'Checks style initialization status'

    def initAlgorithm(self, config=None):
        self.addOutput(
            QgsProcessingOutputBoolean(
                self.IS_INITIALIZED,
                'Style is initialized'
            )
        )

    def processAlgorithm(self, parameters, context, feedback):
        return {self.IS_INITIALIZED: QgsStyle.defaultStyle(False).isInitialized()}