def test_CanUseImgdiff_ineligible(self):
# Disabled by caller.
block_image_diff = BlockImageDiff(EmptyImage(),
EmptyImage(),
disable_imgdiff=True)
self.assertFalse(
block_image_diff.CanUseImgdiff("/system/app/app1.apk",
RangeSet("10-15"), RangeSet("0-5")))
# Unsupported file type.
block_image_diff = BlockImageDiff(EmptyImage(), EmptyImage())
self.assertFalse(
block_image_diff.CanUseImgdiff("/system/bin/gzip",
RangeSet("10-15"), RangeSet("0-5")))
# At least one of the ranges is in non-monotonic order.
self.assertFalse(
block_image_diff.CanUseImgdiff("/system/app/app2.apk",
RangeSet("10-15"),
RangeSet("15-20 30 10-14")))
# At least one of the ranges is incomplete.
src_ranges = RangeSet("0-5")
src_ranges.extra['incomplete'] = True
self.assertFalse(
block_image_diff.CanUseImgdiff("/vendor/app/app4.apk",
RangeSet("10-15"), src_ranges))
# The stats are correctly logged.
self.assertDictEqual(
{
ImgdiffStats.SKIPPED_NONMONOTONIC: {'/system/app/app2.apk'},
ImgdiffStats.SKIPPED_INCOMPLETE: {'/vendor/app/app4.apk'},
}, block_image_diff.imgdiff_stats.stats)
def test_CanUseImgdiff_ineligible(self):
# Disabled by caller.
block_image_diff = BlockImageDiff(EmptyImage(),
EmptyImage(),
disable_imgdiff=True)
self.assertFalse(
block_image_diff.CanUseImgdiff("/system/app/app1.apk",
RangeSet("10-15"), RangeSet("0-5")))
# Unsupported file type.
block_image_diff = BlockImageDiff(EmptyImage(), EmptyImage())
self.assertFalse(
block_image_diff.CanUseImgdiff("/system/bin/gzip",
RangeSet("10-15"), RangeSet("0-5")))
# At least one of the ranges is in non-monotonic order.
self.assertFalse(
block_image_diff.CanUseImgdiff("/system/app/app2.apk",
RangeSet("10-15"),
RangeSet("15-20 30 10-14")))
# At least one of the ranges has been modified.
src_ranges = RangeSet("0-5")
src_ranges.extra['trimmed'] = True
self.assertFalse(
block_image_diff.CanUseImgdiff("/vendor/app/app3.apk",
RangeSet("10-15"), src_ranges))
def test_CanUseImgdiff(self):
block_image_diff = BlockImageDiff(EmptyImage(), EmptyImage())
self.assertTrue(
block_image_diff.CanUseImgdiff("/system/app/app1.apk",
RangeSet("10-15"), RangeSet("0-5")))
self.assertTrue(
block_image_diff.CanUseImgdiff("/vendor/app/app2.apk",
RangeSet("20 25"),
RangeSet("30-31"), True))
self.assertDictEqual(
{
ImgdiffStats.USED_IMGDIFF: {"/system/app/app1.apk"},
ImgdiffStats.USED_IMGDIFF_LARGE_APK: {"/vendor/app/app2.apk"},
}, block_image_diff.imgdiff_stats.stats)
def test_CanUseImgdiff(self):
block_image_diff = BlockImageDiff(EmptyImage(), EmptyImage())
self.assertTrue(
block_image_diff.CanUseImgdiff("/system/app/app1.apk",
RangeSet("10-15"), RangeSet("0-5")))