# coding: utf-8
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# Copyright (c) 2018 European Synchrotron Radiation Facility
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"""Tests for RangeSlider"""

__authors__ = ["T. Vincent"]
__license__ = "MIT"
__date__ = "01/08/2018"

import unittest

from silx.gui import qt, colors
from silx.gui.widgets.RangeSlider import RangeSlider
from silx.gui.utils.testutils import TestCaseQt
from silx.utils.testutils import ParametricTestCase


class TestRangeSlider(TestCaseQt, ParametricTestCase):
    """Tests for TestRangeSlider"""

    def setUp(self):
        self.slider = RangeSlider()
        self.slider.show()
        self.qWaitForWindowExposed(self.slider)

    def tearDown(self):
        self.slider.setAttribute(qt.Qt.WA_DeleteOnClose)
        self.slider.close()
        del self.slider
        self.qapp.processEvents()

    def testRangeValue(self):
        """Test slider range and values"""

        # Play with range
        self.slider.setRange(1, 2)
        self.assertEqual(self.slider.getRange(), (1., 2.))
        self.assertEqual(self.slider.getValues(), (1., 1.))

        self.slider.setMinimum(-1)
        self.assertEqual(self.slider.getRange(), (-1., 2.))
        self.assertEqual(self.slider.getValues(), (1., 1.))

        self.slider.setMaximum(0)
        self.assertEqual(self.slider.getRange(), (-1., 0.))
        self.assertEqual(self.slider.getValues(), (0., 0.))

        # Play with values
        self.slider.setFirstValue(-2.)
        self.assertEqual(self.slider.getValues(), (-1., 0.))

        self.slider.setFirstValue(-0.5)
        self.assertEqual(self.slider.getValues(), (-0.5, 0.))

        self.slider.setSecondValue(2.)
        self.assertEqual(self.slider.getValues(), (-0.5, 0.))

        self.slider.setSecondValue(-0.1)
        self.assertEqual(self.slider.getValues(), (-0.5, -0.1))

    def testStepCount(self):
        """Test related to step count"""
        self.slider.setPositionCount(11)
        self.assertEqual(self.slider.getPositionCount(), 11)
        self.slider.setFirstValue(0.32)
        self.assertEqual(self.slider.getFirstValue(), 0.3)
        self.assertEqual(self.slider.getFirstPosition(), 3)

        self.slider.setPositionCount(3)  # Value is adjusted
        self.assertEqual(self.slider.getValues(), (0.5, 1.))
        self.assertEqual(self.slider.getPositions(), (1, 2))

    def testGroove(self):
        """Test Groove pixmap"""
        profile = list(range(100))

        for cmap in ('jet', colors.Colormap('viridis')):
            with self.subTest(str(cmap)):
                self.slider.setGroovePixmapFromProfile(profile, cmap)
                pixmap = self.slider.getGroovePixmap()
                self.assertIsInstance(pixmap, qt.QPixmap)
                self.assertEqual(pixmap.width(), len(profile))
