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o3de/Tools/LyTestTools/tests/unit/test_screenshot_compare_qss...

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Python

"""
All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
its licensors.
For complete copyright and license terms please see the LICENSE at the root of this
distribution (the "License"). All use of this software is governed by the License,
or, if provided, by the license below or the license accompanying this file. Do not
remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Unit test for ly_test_tools.image.screenshot_compare_qssim
"""
import unittest.mock as mock
import numpy as np
import pytest
import ly_test_tools.image.screenshot_compare_qssim as screenshot_compare
pytestmark = pytest.mark.SUITE_smoke
class TestScreenshotCompare(object):
def test_QuaternionMatrixConj_4x3Matrix_ValidConjugate(self):
given_matrix = np.array([[[1, 2, 3, 4], [5, 6, 7, 8], [9, 10 , 11, 12]]])
expected_conjugateMatrix = np.array([[[1, -2, -3, -4], [5, -6, -7, -8], [9, -10, -11, -12]]])
result_conjugateMatrix = screenshot_compare._quaternion_matrix_conj(given_matrix)
assert np.array_equal(result_conjugateMatrix,expected_conjugateMatrix)
def test_QuaternionMatrixDot_4x3matrix_ValidDotProduct(self):
given_matrix = np.array([[[0, 0, 0, 2], [0, 0, 4, 0], [0, 0, 8, 0]]])
expected_answer = np.array([[2, 4, 8]])
result_matrix = screenshot_compare._quaternion_matrix_dot(given_matrix, given_matrix)
assert np.array_equal(expected_answer,result_matrix)
@mock.patch('ly_test_tools.image.screenshot_compare_qssim._quaternion_matrix_dot')
def test_QuaternionMatrixNorm_DotProductUsed_AssertDotProductCalled(self, mock_matrixDotProduct):
given_matrix = np.array([[[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]])
screenshot_compare._quaternion_matrix_norm(given_matrix)
mock_matrixDotProduct.assert_called_once()
mock_matrixDotProduct.assert_called_with(given_matrix,given_matrix)
@mock.patch('ly_test_tools.image.screenshot_compare_qssim._quaternion_matrix_norm')
def test_QuaternionMatrixDivide_NormCalledForSecondMatrix_AssertNormCalled(self, mock_matrixNorm):
matrix_a = np.array([[[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]])
matrix_b = np.array([[[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]])
mock_matrixNorm.return_value = np.array([[1,2,3]])
screenshot_compare._quaternion_matrix_div(matrix_a, matrix_b)
mock_matrixNorm.assert_called_with(matrix_b)
@mock.patch('numpy.divide',mock.MagicMock())
@mock.patch('ly_test_tools.image.screenshot_compare_qssim._quaternion_matrix_mult',mock.MagicMock())
@mock.patch('ly_test_tools.image.screenshot_compare_qssim._quaternion_matrix_conj')
def test_QuaternionMatrixDivide_ConjugateCalledForSecondMatrix_AssertConjugateCalled(self, mock_matrixConjugate):
matrix_a = np.array([[[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]])
matrix_b = np.array([[[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]])
screenshot_compare._quaternion_matrix_div(matrix_a, matrix_b)
mock_matrixConjugate.assert_called_with(matrix_b)
@mock.patch('numpy.divide',mock.MagicMock())
@mock.patch('ly_test_tools.image.screenshot_compare_qssim._quaternion_matrix_conj')
@mock.patch('ly_test_tools.image.screenshot_compare_qssim._quaternion_matrix_mult')
def test_QuaternionMatrixDivide_MultiplyCalledForMatAConjB_AssertMultiplyCalled(self, mock_matrixMultiply,mock_matrixConjugate):
matrix_a = np.array([[[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]])
matrix_b = np.array([[[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]])
mock_conjugate_return = np.array([[[1, -2, -3, -4], [5, -6, -7, -8], [9, -10, -11, -12]]])
mock_matrixConjugate.return_value = mock_conjugate_return
screenshot_compare._quaternion_matrix_div(matrix_a, matrix_b)
mock_matrixMultiply.assert_called_with(matrix_a,mock_conjugate_return)
@mock.patch('imageio.imread')
@mock.patch('imageio.imwrite',mock.MagicMock())
def test_qssim_CheckSameImage_ShouldReturnOne(self, mock_imageRead):
matrix_a = np.array([[[1, 2, 3], [4, 5, 6], [7, 8, 9]]])
matrix_b = np.array([[[1, 2, 3], [4, 5, 6], [7, 8, 9]]])
mock_imageRead.side_effect = [matrix_a,matrix_b]
assert screenshot_compare.qssim('test1.jpg', 'test2.jpg') == 1
@mock.patch('imageio.imread')
@mock.patch('imageio.imwrite',mock.MagicMock())
def test_qssim_CheckAlmostSameImage_GreaterThanHalf(self, mock_imageRead):
matrix_a = np.array([[[1, 2, 3], [4, 5, 6], [7, 8, 9]]])
matrix_b = np.array([[[1, 2, 3], [4, 5, 6], [7, 8, 19]]])
mock_imageRead.side_effect = [matrix_a,matrix_b]
assert screenshot_compare.qssim('test1.jpg', 'test2.jpg') > 0.5
@mock.patch('imageio.imread')
@mock.patch('imageio.imwrite',mock.MagicMock())
def test_qssim_CheckDifferentImage_ShouldNotReturnOne(self, mock_imageRead):
matrix_a = np.array([[[1, 2, 3], [4, 5, 6], [7, 8, 9]]])
matrix_b = np.array([[[11, 12, 13], [14, 15, 16], [17, 18, 19]]])
mock_imageRead.side_effect = [matrix_a,matrix_b]
assert screenshot_compare.qssim('test1.jpg', 'test2.jpg') != 1
@mock.patch('imageio.imread')
@mock.patch('imageio.imwrite')
def test_qssim_CheckDiffImageSaved_AssertImSave(self, mock_imageSave, mock_imageRead):
matrix_a = np.array([[[1, 2, 3], [4, 5, 6], [7, 8, 9]]])
matrix_b = np.array([[[1, 2, 3], [4, 5, 6], [7, 8, 9]]])
mock_imageRead.side_effect = [matrix_a,matrix_b]
screenshot_compare.qssim('test1.jpg', 'test2.jpg')
mock_imageSave.assert_called()