66 lines
2 KiB
Python
66 lines
2 KiB
Python
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#!/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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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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assert(data_a[y * stride + x * 4] == data_b[y * stride + x * 4])
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def capture():
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ioctl = os.path.join(ddir, "capture.ioctl")
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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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subprocess.check_call(['umockdev-run', '-d', device,
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'-i', "%s=%s" % (dev, ioctl),
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'--',
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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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try:
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if os.path.exists(os.path.join(ddir, "capture.ioctl")):
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capture()
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finally:
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shutil.rmtree(tmpdir)
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