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o3de/Tools/LyTestTools/tests/unit/test_screenshot_compare_qssim.py
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Steve Pham b4a2edec6a Final update copyright headers to reference license files at the repo root (#1693)
* Final update copyright headers to reference license files at the repo root

Signed-off-by: spham <spham@amazon.com>

* Fix copyright validator unit tests to support the stale O3DE header scenario

Signed-off-by: spham <spham@amazon.com>
2021-06-30 19:51:55 -07:00

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5.3 KiB
Python
Executable File

"""
Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
SPDX-License-Identifier: Apache-2.0 OR MIT
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()