/nodebox/tests/vdiff/tests.py

https://github.com/fone4u/nodebox-pyobjc
Python | 59 lines | 52 code | 7 blank | 0 comment | 9 complexity | 33e60ad935f7025991116acb33e9f3b8 MD5 | raw file
    

  1. import os, glob
    2. 

  2. from nodebox.util import vdiff
    3. 

  3. 

  4. TEST_PATH = 'images'
    5. 

  5. create_compare_image = True
    6. 

  6. 

  7. def format_stats(name, stats, compare_image=None):
    8. 

  8.     html  = """<h2>%s</h1>\n""" % name
    9. 

  9.     html += """<img src="%s" width="150" height="150">\n""" % stats.fname1
    10. 

  10.     html += """<img src="%s" width="150" height="150">\n""" % stats.fname2
    11. 

  11.     if compare_image is not None:
    12. 

  12.         html += """<img class="compare" src="%s" width="150" height="150">\n""" % compare_image
    13. 

  13.     html += """<table class="statistics">\n"""
    14. 

  14.     html += """<tr class="odd"><td>Differences:</td><td>%i</td></tr>\n""" % len(stats.differences)
    15. 

  15.     html += """<tr class="even"><td>Total delta:</td><td>%i</td></tr>\n""" % stats.total_delta
    16. 

  16.     html += """<tr class="odd"><td>Max delta:</td><td>%i</td></tr>\n""" % stats.max_delta
    17. 

  17.     html += """<tr class="even"><td>Mean:</td><td>%.4f</td></tr>\n""" % stats.mean
    18. 

  18.     html += """<tr class="odd"><td>Stdev:</td><td>%.4f</td></tr>\n""" % stats.stdev
    19. 

  19.     html += """</table>\n"""
    20. 

  20.     return html
    21. 

  21. 

  22. html = """<html>
    23. 

  23. <head>
    24. 

  24. <meta http-equiv="content-type" content="text/html; charset=utf-8">
    25. 

  25. <title>vdiff tests</title>
    26. 

  26. <link rel="stylesheet" type="text/css" href="images/vdiff.css" media="all">
    27. 

  27. </head>
    28. 

  28. <body>
    29. 

  29. <h1>vdiff tests</h1>
    30. 

  30. """
    31. 

    32. 

  32. for testPath in glob.glob('%s/*' % TEST_PATH):
    33. 

  33.     if not os.path.isdir(testPath): continue
    34. 

  34.     name = os.path.basename(testPath)
    35. 

  35.     print name
    36. 

  36.     testFiles = glob.glob('%s/*.png' % testPath)
    37. 

  37.     try:
    38. 

  38.         testFiles.remove('%s/_compare.png' % testPath)
    39. 

  39.     except ValueError: pass
    40. 

  40.     if len(testFiles) == 2:
    41. 

  41.         fname1, fname2 = testFiles
    42. 

  42.         stats = vdiff.Statistics(fname1, fname2)
    43. 

  43.         if create_compare_image:
    44. 

  44.             compare_image = vdiff.make_comparison_image(stats.size, stats.differences)
    45. 

  45.             compare_image_fname = '%s/_compare.png' % testPath
    46. 

  46.             compare_image.save(compare_image_fname)
    47. 

  47.             html += format_stats(name, stats, compare_image_fname)
    48. 

  48.         else:
    49. 

  49.             html += format_stats(name, stats)
    50. 

  50.     else:
    51. 

  51.         print "path %s has more than two PNG images: %s" % (testPath, testFiles)
    52. 

  52. 

  53. html += """</body>\n</html>\n"""
    54. 

  54.     
    55. 

  55. fp = open('test-results.html', 'w')
    56. 

  56. fp.write(html)
    57. 

  57. fp.close()
    58. 

  58. 

  59. print "Generated test-results.html"
    60.