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Unified Diff: tools/telemetry/telemetry/internal/image_processing/screen_finder_unittest.py

Issue 1647513002: Delete tools/telemetry. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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Index: tools/telemetry/telemetry/internal/image_processing/screen_finder_unittest.py
diff --git a/tools/telemetry/telemetry/internal/image_processing/screen_finder_unittest.py b/tools/telemetry/telemetry/internal/image_processing/screen_finder_unittest.py
deleted file mode 100644
index 313b496c4df667beb250206d4fc387a1ac4c42f6..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/internal/image_processing/screen_finder_unittest.py
+++ /dev/null
@@ -1,368 +0,0 @@
-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import copy
-import math
-import os
-import unittest
-
-from telemetry.core import util
-from telemetry.internal.util import external_modules
-
-try:
- np = external_modules.ImportRequiredModule('numpy')
- cv2 = external_modules.ImportRequiredModule('cv2')
-except (ImportError, NotImplementedError) as err:
- pass
-else:
- # pylint: disable=protected-access
- class ScreenFinderTest(unittest.TestCase):
- def __init__(self, *args, **kwargs):
- super(ScreenFinderTest, self).__init__(*args, **kwargs)
- # Import modules with dependencies that may not be preset in test setup so
- # that importing this unit test doesn't cause the test runner to raise an
- # exception.
- from telemetry.internal.image_processing import fake_frame_generator
- from telemetry.internal.image_processing import screen_finder
- from telemetry.internal.image_processing import video_file_frame_generator
- self.FakeFrameGenerator = fake_frame_generator.FakeFrameGenerator
- self.VideoFileFrameGenerator = \
- video_file_frame_generator.VideoFileFrameGenerator
- self.ScreenFinder = screen_finder.ScreenFinder
-
- def _GetScreenFinder(self, video_filename):
- if not video_filename:
- fg = self.FakeFrameGenerator()
- else:
- vid = os.path.join(util.GetUnittestDataDir(), video_filename)
- fg = self.VideoFileFrameGenerator(vid)
- return self.ScreenFinder(fg)
-
- def testBasicFunctionality(self):
- def CheckCorners(corners, expected):
- for i in xrange(len(corners)):
- for j in xrange(len(corners[i])):
- self.assertAlmostEqual(corners[i][j], expected[i][j], delta=1.1)
- expected = [[314, 60], [168, 58], [162, 274], [311, 276]]
- sf = self._GetScreenFinder('screen_3_frames.mov')
- self.assertTrue(sf.HasNext())
- screen, corners = sf.GetNext()
- CheckCorners(corners, expected)
- self.assertIsNotNone(screen)
- height, width = screen.shape[:2]
- self.assertAlmostEqual(height, 226, delta=2)
- self.assertAlmostEqual(width, 156, delta=2)
- self.assertTrue(sf.HasNext())
- screen, corners = sf.GetNext()
- CheckCorners(corners, expected)
- self.assertIsNotNone(screen)
- height1, width1 = screen.shape[:2]
- self.assertEqual(width, width1)
- self.assertEqual(height, height1)
- self.assertTrue(sf.HasNext())
- screen, corners = sf.GetNext()
- CheckCorners(corners, expected)
- self.assertIsNotNone(screen)
- height2, width2 = screen.shape[:2]
- self.assertEqual(width, width2)
- self.assertEqual(height, height2)
- self.assertFalse(sf.HasNext())
- error = ''
- try:
- sf.GetNext()
- except RuntimeError as e:
- error = str(e)
- self.assertEqual(error, 'No more frames available.')
-
- def testHasMovedFast(self):
- sf = self._GetScreenFinder(None)
- prev_corners = np.asfarray(([1000, 1000], [0, 1000], [0, 0], [1000, 0]))
- self.assertFalse(sf._HasMovedFast(prev_corners, prev_corners))
- not_moved = copy.deepcopy(prev_corners)
- not_moved[0][1] += 1
- not_moved[1][1] += 1
- not_moved[3][0] += 0.9
- self.assertFalse(sf._HasMovedFast(not_moved, prev_corners))
- moved = copy.deepcopy(prev_corners)
- moved[0][1] += math.sqrt(0.5)
- moved[0][0] += math.sqrt(0.5)
- moved[1][1] += 2.1
- self.assertTrue(sf._HasMovedFast(moved, prev_corners))
-
- def testPointConnectsToCorners(self):
- sf = self._GetScreenFinder(None)
- line1 = np.asfarray(((0, 0, 1, 0)))
- line2 = np.asfarray(((0, 0, 0, 1)))
- point = np.asfarray((0, 0))
- point_info = (point, line1, line2)
- corners = np.asfarray(((1, 0), (0, 1)))
- self.assertFalse(sf._PointConnectsToCorners(corners, point_info, 1))
- corners = np.append(corners, (100, 1))
- corners = np.append(corners, (1, 100))
- corners = corners.reshape(-1, 2)
- self.assertTrue(sf._PointConnectsToCorners(corners, point_info, 2))
- self.assertFalse(sf._PointConnectsToCorners(corners, point_info, 0.5))
- corners = np.append(corners, (100, 0))
- corners = np.append(corners, (0, 100))
- corners = corners.reshape(-1, 2)
- self.assertTrue(sf._PointConnectsToCorners(corners, point_info, 0))
-
- def testFindIntersections(self):
- def _BuildResult(point, line1, line2):
- return [point, np.asfarray(line1).tolist(), np.asfarray(line2).tolist()]
-
- def _IntersectionResultsToList(results):
- result_list = []
- for result in results:
- point, line1, line2 = result
- p = np.round(point).tolist()
- l1 = np.round(line1).tolist()
- l2 = np.round(line2).tolist()
- result_list.append([p, l1, l2])
- return result_list
-
- sf = self._GetScreenFinder(None)
- expected = []
- lines = []
- # Box with corners at (0, 0), (1000, 0), (0, 1000), (1000, 1000)
- lines.append(np.asfarray(((0, 1001, 0, -1))))
- lines.append(np.asfarray(((-1, 0, 1001, 0))))
- lines.append(np.asfarray(((1000, 1001, 1000, -1))))
- lines.append(np.asfarray(((-1, 1000, 1001, 1000))))
- expected.append(_BuildResult([0, 0], lines[0], lines[1]))
- expected.append(_BuildResult([0, 1000], lines[0], lines[3]))
- expected.append(_BuildResult([1000, 0], lines[1], lines[2]))
- expected.append(_BuildResult([1000, 1000], lines[2], lines[3]))
-
- # crosses 2 lines at 45 degrees.
- lines.append(np.asfarray(((0, 500, 500, 0))))
- expected.append(_BuildResult([0, 500], lines[0], lines[4]))
- expected.append(_BuildResult([500, 0], lines[1], lines[4]))
-
- # crosses 1 line at > 45 degrees, 1 line at < 45 degrees.
- lines.append(np.asfarray(((0, 400, 600, 0))))
- expected.append(_BuildResult([0, 400], lines[0], lines[5]))
-
- # Test without previous corner data, all intersections should be found.
- results = sf._FindIntersections(lines)
- result_list = _IntersectionResultsToList(results)
-
- for e in expected:
- self.assertIn(e, result_list)
- self.assertEqual(len(expected), len(result_list))
-
- # Now introduce previous corners, but also reset conditions. No
- # intersections should be lost.
- corners = ((1000, 1000), (0, 1000), (0, 0), (1000, 0))
- sf._prev_corners = np.asfarray(corners, np.float32)
- sf._lost_corner_frames = sf.RESET_AFTER_N_BAD_FRAMES + 1
- results = sf._FindIntersections(lines)
- result_list = _IntersectionResultsToList(results)
-
- for e in expected:
- self.assertIn(e, result_list)
- self.assertEqual(len(expected), len(result_list))
-
- # Remove reset conditions, so intersections not near corners will be lost.
- sf._lost_corner_frames = sf.RESET_AFTER_N_BAD_FRAMES
- # First 4 intersections are the ones at the old corner locations.
- expected = expected[0:4]
- results = sf._FindIntersections(lines)
- result_list = _IntersectionResultsToList(results)
-
- for e in expected:
- self.assertIn(e, result_list)
- self.assertEqual(len(expected), len(result_list))
-
- def testPointIsCloseToPreviousCorners(self):
- sf = self._GetScreenFinder(None)
- corners = ((1000, 1000), (0, 1000), (0, 0), (1000, 0))
- sf._prev_corners = np.asfarray(corners, np.float32)
- dist = math.sqrt(sf.MAX_INTERFRAME_MOTION)
- sidedist1 = math.sqrt(sf.MAX_INTERFRAME_MOTION) / math.sqrt(2) - (1e-13)
- sidedist2 = math.sqrt(sf.MAX_INTERFRAME_MOTION) / math.sqrt(2) + (1e-13)
- point1 = (corners[3][0] + dist, corners[3][1])
- self.assertTrue(sf._PointIsCloseToPreviousCorners(point1))
- point2 = (corners[3][0] + sidedist1, corners[3][1] + sidedist1)
- self.assertTrue(sf._PointIsCloseToPreviousCorners(point2))
- point3 = (corners[1][0] + sidedist2, corners[1][1] + sidedist2)
- self.assertFalse(sf._PointIsCloseToPreviousCorners(point3))
-
- def testLooksLikeCorner(self):
- # TODO: Probably easier to just do end to end tests.
- pass
-
- def testCornerData(self):
- cd = self.ScreenFinder.CornerData('a', 'b', 'c', 'd', 'e')
- self.assertEqual(cd.corner_index, 'a')
- self.assertEqual(cd.corner_location, 'b')
- self.assertEqual(cd.brightness_score, 'c')
- self.assertEqual(cd.line1, 'd')
- self.assertEqual(cd.line2, 'e')
- cd_list = []
- cd_list.append(self.ScreenFinder.CornerData(0, None, None, None, None))
- cd_list.append(self.ScreenFinder.CornerData(3, None, None, None, None))
- cd_list.append(self.ScreenFinder.CornerData(1, None, None, None, None))
- cd_list.append(self.ScreenFinder.CornerData(2, None, None, None, None))
- cd_list.sort()
- for i in range(len(cd_list)):
- self.assertEqual(i, cd_list[i].corner_index)
-
- def testFindCorners(self):
- # TODO: Probably easier to just do end to end tests.
- pass
-
- def testDeDupCorners(self):
- sf = self._GetScreenFinder(None)
- data = []
- lines = []
- lines.append(np.asfarray((0, 1001, 0, -1)))
- lines.append(np.asfarray((-1, 0, 1001, 0)))
- lines.append(np.asfarray((1000, 1001, 1000, -1)))
- lines.append(np.asfarray((-1, 1000, 1001, 1000)))
- lines.append(np.asfarray((0, 10, 10, 0)))
- lines.append(np.asfarray((-1, 1001, 1001, 1001)))
- corners = np.asfarray(((1000, 1000), (0, 1000), (0, 0),
- (1000, 0), (0, 10), (10, 0), (1000, 1001)))
- data.append(self.ScreenFinder.CornerData(2, corners[2], 100,
- lines[0], lines[1]))
- data.append(self.ScreenFinder.CornerData(1, corners[1], 100,
- lines[0], lines[3]))
- data.append(self.ScreenFinder.CornerData(3, corners[3], 100,
- lines[1], lines[2]))
- data.append(self.ScreenFinder.CornerData(0, corners[0], 100,
- lines[2], lines[3]))
- data.append(self.ScreenFinder.CornerData(2, corners[4], 120,
- lines[0], lines[4]))
- data.append(self.ScreenFinder.CornerData(2, corners[5], 110,
- lines[1], lines[4]))
- data.append(self.ScreenFinder.CornerData(0, corners[6], 110,
- lines[2], lines[5]))
- dedup = copy.copy(data)
- # Tests 2 non-duplicate corners, 1 corner with connected and unconnected
- # corners, and 1 corner with two connected corners.
- sf._DeDupCorners(dedup, corners)
- self.assertEqual(len(dedup), 4)
- self.assertIn(data[0], dedup)
- self.assertIn(data[1], dedup)
- self.assertIn(data[2], dedup)
- self.assertIn(data[6], dedup)
-
- # Same test, but this time the corner with connected and unconnected
- # corners now only contains unconnected corners.
- del data[0]
- corners = np.delete(corners, 2, axis=0)
- dedup2 = copy.copy(data)
- sf._DeDupCorners(dedup2, corners)
- self.assertEqual(len(dedup2), 4)
- self.assertIn(data[3], dedup2)
- self.assertIn(data[0], dedup2)
- self.assertIn(data[1], dedup2)
- self.assertIn(data[5], dedup2)
-
- def testFindExactCorners(self):
- sf = self._GetScreenFinder(None)
- img = np.zeros((3, 3), np.uint8)
- img[1][0] = 255
- img[0][1] = 255
- img[1][2] = 255
- img[2][1] = 255
- sf._frame_edges = img
- corners = np.asfarray([(1, 1), (1, 1), (1, 1), (1, 1)])
- expected = np.asfarray([(2, 0), (0, 0), (0, 2), (2, 2)])
- ret = sf._FindExactCorners(corners)
- np.testing.assert_equal(ret, expected)
- img2 = np.zeros((3, 3), np.uint8)
- img2[1][0] = 255
- img2[1][1] = 255
- img2[2][2] = 255
- img2[2][1] = 255
- sf._frame_edges = img2
- expected2 = [(2, 1), (0, 1), (0, 2), (2, 2)]
- ret2 = sf._FindExactCorners(corners)
- np.testing.assert_equal(ret2, expected2)
-
- def testSmoothCorners(self):
- sf = self._GetScreenFinder(None)
- corners = [[10, 10], [10, 10], [10, 10], [10, 10]]
- ret = sf._SmoothCorners(corners).tolist()
- self.assertListEqual(ret, corners)
- corners = [[0, 0], [0, 0], [0, 0], [0, 0]]
- expected = [[5, 5], [5, 5], [5, 5], [5, 5]]
- ret = sf._SmoothCorners(corners).tolist()
- self.assertListEqual(ret, expected)
- expected = [[2.5, 2.5], [2.5, 2.5], [2.5, 2.5], [2.5, 2.5]]
- ret = sf._SmoothCorners(corners).tolist()
- self.assertListEqual(ret, expected)
-
- def testGetTransform(self):
- sf = self._GetScreenFinder(None)
- corners = np.array([[100, 1000], [0, 1000], [0, 0], [100, 0]], np.float32)
- transform, w, h = sf._GetTransform(corners, 1)
- transform = np.round(transform, 2)
- expected = [[1., 0., 1.], [-0., -1., 1001.], [0., -0., 1.]]
- self.assertListEqual(transform.tolist(), expected)
- self.assertEqual(w, 102)
- self.assertEqual(h, 1002)
-
- corners = np.array([(200, 2000), (0, 2000), (0, 0), (200, 0)], np.float32)
- transform, w, h = sf._GetTransform(corners, 5)
- transform = np.round(transform, 2)
- expected = [[0.5, 0.0, 5.0], [-0.0, -0.5, 1005.0], [-0.0, 0.0, 1.0]]
- self.assertListEqual(transform.tolist(), expected)
- self.assertEqual(w, 110)
- self.assertEqual(h, 1010)
-
- def testNewScreenLocation(self):
- sf = self._GetScreenFinder(None)
- corners_2 = np.asfarray([[np.nan, np.nan], [0, 1000], [np.nan, np.nan],
- [1000, 0]])
- corners_3 = np.asfarray([[1000, 1000], [0, 1000], [np.nan, np.nan],
- [1000, 0]])
- corners_4 = np.asfarray([[1000, 1000], [0, 1000], [0, 0], [1000, 0]])
- lines = []
- # Box with corners at (0, 0), (1000, 0), (0, 1000), (1000, 1000)
- lines.append(np.asfarray(((0, 1001, 0, -1))))
- lines.append(np.asfarray(((-1, 0, 1001, 0))))
- lines.append(np.asfarray(((1000, 1001, 1000, -1))))
- lines.append(np.asfarray(((-1, 1000, 1001, 1000))))
- # Additional intersections near a corner.
- lines.append(np.asfarray(((0, 3, 7, 0))))
- lines.append(np.asfarray(((0, 4, 6, 0))))
- intersections = sf._FindIntersections(lines)
- failed = False
- try:
- sf._NewScreenLocation(corners_3, 1, intersections)
- except self.ScreenFinder.ScreenNotFoundError:
- failed = True
- self.assertTrue(failed)
-
- sf._lost_corner_frames = 10
- sf._lost_corners = [True, True, True, True]
- ret = sf._NewScreenLocation(corners_4, 0, intersections)
- np.testing.assert_equal(ret, corners_4)
- self.assertListEqual(sf._lost_corners, [False, False, False, False])
- self.assertEqual(sf._lost_corner_frames, 0)
-
- sf._prev_corners = corners_4
- ret = sf._NewScreenLocation(corners_3, 1, intersections)
- ret = np.round(ret)
- np.testing.assert_equal(ret, corners_4)
- self.assertListEqual(sf._lost_corners, [False, False, True, False])
- self.assertEqual(sf._lost_corner_frames, 1)
-
- sf._prev_corners = np.asfarray([(1000, 1000), (0, 1000),
- (0, 3), (1000, 0)])
- ret = sf._NewScreenLocation(corners_3, 1, intersections)
- ret = np.round(ret)
- np.testing.assert_equal(ret, corners_4)
- self.assertListEqual(sf._lost_corners, [False, False, True, False])
- self.assertEqual(sf._lost_corner_frames, 2)
-
- ret = sf._NewScreenLocation(corners_2, 2, intersections)
- ret = np.round(ret)
- expected = [[1000, 1000], [0, 1000], [0, 3], [1000, 0]]
- np.testing.assert_equal(ret, expected)
- self.assertListEqual(sf._lost_corners, [True, False, True, False])
- self.assertEqual(sf._lost_corner_frames, 3)

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