98 lines
3.3 KiB
Python
Executable file
98 lines
3.3 KiB
Python
Executable file
#!/usr/bin/env python3
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import sys
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import os
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import os.path
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import shutil
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import tempfile
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import subprocess
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if len(sys.argv) != 2:
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print("You need to specify exactly one argument, the directory with test data")
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# Check that umockdev is available
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try:
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umockdev_version = subprocess.check_output(['umockdev-run', '--version'])
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version = tuple(int(_) for _ in umockdev_version.split(b'.'))
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if version < (0, 13, 2):
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print('umockdev is too old for test to be reliable, expect random failures!')
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print('Please update umockdev to at least 0.13.2.')
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except FileNotFoundError:
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print('umockdev-run not found, skipping test!')
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print('Please install umockdev.')
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sys.exit(77)
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edir = os.path.dirname(sys.argv[0])
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ddir = sys.argv[1]
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tmpdir = tempfile.mkdtemp(prefix='libfprint-umockdev-test-')
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assert os.path.isdir(ddir)
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assert os.path.isfile(os.path.join(ddir, "device"))
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def cmp_pngs(png_a, png_b):
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print("Comparing PNGs %s and %s" % (png_a, png_b))
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import cairo
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img_a = cairo.ImageSurface.create_from_png(png_a)
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img_b = cairo.ImageSurface.create_from_png(png_b)
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assert img_a.get_format() == cairo.FORMAT_RGB24
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assert img_b.get_format() == cairo.FORMAT_RGB24
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assert img_a.get_width() == img_b.get_width()
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assert img_a.get_height() == img_b.get_height()
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assert img_a.get_stride () == img_b.get_stride()
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data_a = img_a.get_data()
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data_b = img_b.get_data()
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stride = img_a.get_stride()
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for x in range(img_a.get_width()):
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for y in range(img_a.get_height()):
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# RGB24 format is endian dependent, using +1 means we test either
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# the G or B component, which works on any endian for the greyscale
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# test.
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assert(data_a[y * stride + x * 4 + 1] == data_b[y * stride + x * 4 + 1])
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def get_umockdev_runner(ioctl_basename):
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ioctl = os.path.join(ddir, "{}.ioctl".format(ioctl_basename))
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device = os.path.join(ddir, "device")
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dev = open(ioctl).readline().strip()
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assert dev.startswith('@DEV ')
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dev = dev[5:]
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umockdev = ['umockdev-run', '-d', device,
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'-i', "%s=%s" % (dev, ioctl),
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'--']
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wrapper = os.getenv('LIBFPRINT_TEST_WRAPPER')
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return umockdev + (wrapper.split(' ') if wrapper else []) + [sys.executable]
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def capture():
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subprocess.check_call(get_umockdev_runner("capture") +
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['%s' % os.path.join(edir, "capture.py"),
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'%s' % os.path.join(tmpdir, "capture.png")])
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assert os.path.isfile(os.path.join(tmpdir, "capture.png"))
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if os.path.isfile(os.path.join(ddir, "capture.png")):
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# Compare the images, they need to be identical
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cmp_pngs(os.path.join(tmpdir, "capture.png"), os.path.join(ddir, "capture.png"))
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def custom():
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subprocess.check_call(get_umockdev_runner("custom") +
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['%s' % os.path.join(ddir, "custom.py")])
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try:
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if os.path.exists(os.path.join(ddir, "capture.ioctl")):
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capture()
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if os.path.exists(os.path.join(ddir, "custom.ioctl")):
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custom()
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except Exception as e:
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# Store created output files for inspection (in the build directory)
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outdir = os.path.join('errors', os.path.basename(ddir))
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shutil.copytree(tmpdir, outdir, dirs_exist_ok=True)
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raise e
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finally:
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shutil.rmtree(tmpdir)
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