# coding: utf-8
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"""Test PositionInfoWidget"""

__authors__ = ["T. Vincent"]
__license__ = "MIT"
__date__ = "03/10/2018"


import unittest

import numpy

from silx.gui.utils.testutils import TestCaseQt
from silx.gui import qt

from silx.gui.plot3d.SceneWidget import SceneWidget
from silx.gui.plot3d.tools.PositionInfoWidget import PositionInfoWidget


class TestPositionInfoWidget(TestCaseQt):
    """Tests PositionInfoWidget"""

    def setUp(self):
        super(TestPositionInfoWidget, self).setUp()
        self.sceneWidget = SceneWidget()
        self.sceneWidget.resize(300, 300)
        self.sceneWidget.show()

        self.positionInfoWidget = PositionInfoWidget()
        self.positionInfoWidget.setSceneWidget(self.sceneWidget)
        self.positionInfoWidget.show()
        self.qWaitForWindowExposed(self.positionInfoWidget)

        # self.qWaitForWindowExposed(self.widget)

    def tearDown(self):
        self.qapp.processEvents()

        self.sceneWidget.setAttribute(qt.Qt.WA_DeleteOnClose)
        self.sceneWidget.close()
        del self.sceneWidget

        self.positionInfoWidget.setAttribute(qt.Qt.WA_DeleteOnClose)
        self.positionInfoWidget.close()
        del self.positionInfoWidget
        super(TestPositionInfoWidget, self).tearDown()

    def test(self):
        """Test PositionInfoWidget"""
        self.assertIs(self.positionInfoWidget.getSceneWidget(),
                      self.sceneWidget)

        data = numpy.arange(100)
        self.sceneWidget.add2DScatter(x=data, y=data, value=data)
        self.sceneWidget.resetZoom('front')

        # Double click at the center
        self.mouseDClick(self.sceneWidget, button=qt.Qt.LeftButton)

        # Clear displayed value
        self.positionInfoWidget.clear()

        # Update info from API
        self.positionInfoWidget.pick(x=10, y=10)

        # Remove SceneWidget
        self.positionInfoWidget.setSceneWidget(None)


def suite():
    testsuite = unittest.TestSuite()
    testsuite.addTest(
        unittest.defaultTestLoader.loadTestsFromTestCase(
            TestPositionInfoWidget))
    return testsuite


if __name__ == '__main__':
    unittest.main(defaultTest='suite')