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66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
# -*- coding: utf-8 -*-
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import system_tests
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import unittest
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from tempfile import TemporaryDirectory
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import shutil
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import hashlib
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import os
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# test needs system_tests.BT.vv['enable_bmff']=1
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bSkip=system_tests.BT.verbose_version().get('enable_bmff')!='1'
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if bSkip:
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raise unittest.SkipTest('*** requires enable_bmff=1 ***')
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file_basename = 'Canon-R6-pruned.CR3'
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previews_expected = (
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('Canon-R6-pruned-preview1.jpg', 'a182ef12ac883309b4dfc66b87eac1891286d3ae'),
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('Canon-R6-pruned-preview2.jpg', '524a07f1797854e349ae140e2682ba37147fa6b2')
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)
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class issue_1893_cr3_preview(metaclass=system_tests.CaseMeta):
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"""
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Check that THMB and PRVW images are extracted from Canon CR3 files
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"""
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url = "https://github.com/Exiv2/exiv2/issues/1893"
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filename = "$data_path/" + file_basename
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commands=[] # see setUp()
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if bSkip:
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retval=[]
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stdin=[]
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stderr=[]
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stdout=[]
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print("*** test skipped. requires enable_bmff=1***")
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else:
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retval = [ 0, 0]
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stderr = [ "",""]
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stdin = [ "", ""]
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stdout = ["""Preview 1: image/jpeg, 160x120 pixels, 16005 bytes
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Preview 2: image/jpeg, 1620x1080 pixels, 389450 bytes
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""", ""]
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def post_tests_hook(self):
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if self.commands:
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for j, sha1 in previews_expected:
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p = os.path.join(self.preview_image_tmp_dir.name, j)
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self.assertTrue(os.path.isfile(p))
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h = hashlib.sha1(open(p, 'rb').read()).hexdigest()
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self.assertEqual(h, sha1)
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def setUp(self):
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if bSkip:
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return
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# Avoid polluting the test data directory with extracted previews
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self.preview_image_tmp_dir = TemporaryDirectory()
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shutil.copy(self.expand_variables(self.filename),
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self.preview_image_tmp_dir.name)
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p = os.path.join(
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self.preview_image_tmp_dir.name,
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file_basename)
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self.commands = [
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self.expand_variables("$exiv2 -pp ") + p,
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self.expand_variables("$exiv2 -ep ") + p
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]
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