# coding: utf-8
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"""Tests for BoxLayoutDockWidget"""

__authors__ = ["T. Vincent"]
__license__ = "MIT"
__date__ = "06/03/2018"

import unittest

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


class TestBoxLayoutDockWidget(TestCaseQt):
    """Tests for BoxLayoutDockWidget"""

    def setUp(self):
        """Create and show a main window"""
        self.window = qt.QMainWindow()
        self.qWaitForWindowExposed(self.window)

    def tearDown(self):
        """Delete main window"""
        self.window.setAttribute(qt.Qt.WA_DeleteOnClose)
        self.window.close()
        del self.window
        self.qapp.processEvents()

    def test(self):
        """Test update of layout direction according to dock area"""
        # Create a widget with a QBoxLayout
        layout = qt.QBoxLayout(qt.QBoxLayout.LeftToRight)
        layout.addWidget(qt.QLabel('First'))
        layout.addWidget(qt.QLabel('Second'))
        widget = qt.QWidget()
        widget.setLayout(layout)

        # Add it to a BoxLayoutDockWidget
        dock = BoxLayoutDockWidget()
        dock.setWidget(widget)

        self.window.addDockWidget(qt.Qt.BottomDockWidgetArea, dock)
        self.qapp.processEvents()
        self.assertEqual(layout.direction(), qt.QBoxLayout.LeftToRight)

        self.window.addDockWidget(qt.Qt.LeftDockWidgetArea, dock)
        self.qapp.processEvents()
        self.assertEqual(layout.direction(), qt.QBoxLayout.TopToBottom)


def suite():
    loader = unittest.defaultTestLoader.loadTestsFromTestCase
    test_suite = unittest.TestSuite()
    test_suite.addTest(loader(TestBoxLayoutDockWidget))
    return test_suite


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