ca82244928
We are going to reuse the tesseract OCR code. Create a new tesseract_ocr() helper and use it. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20201021105035.2477784-5-f4bug@amsat.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
80 lines
2.9 KiB
Python
80 lines
2.9 KiB
Python
# Functional test that boots a VM and run OCR on the framebuffer
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#
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# Copyright (c) 2019 Philippe Mathieu-Daudé <f4bug@amsat.org>
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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import os
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import time
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from avocado_qemu import Test
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from avocado import skipUnless
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from tesseract_utils import tesseract_available, tesseract_ocr
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PIL_AVAILABLE = True
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try:
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from PIL import Image
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except ImportError:
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PIL_AVAILABLE = False
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class NextCubeMachine(Test):
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"""
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:avocado: tags=arch:m68k
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:avocado: tags=machine:next-cube
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:avocado: tags=device:framebuffer
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"""
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timeout = 15
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def check_bootrom_framebuffer(self, screenshot_path):
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rom_url = ('http://www.nextcomputers.org/NeXTfiles/Software/ROM_Files/'
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'68040_Non-Turbo_Chipset/Rev_2.5_v66.BIN')
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rom_hash = 'b3534796abae238a0111299fc406a9349f7fee24'
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rom_path = self.fetch_asset(rom_url, asset_hash=rom_hash)
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self.vm.add_args('-bios', rom_path)
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self.vm.launch()
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self.log.info('VM launched, waiting for display')
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# TODO: Use avocado.utils.wait.wait_for to catch the
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# 'displaysurface_create 1120x832' trace-event.
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time.sleep(2)
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self.vm.command('human-monitor-command',
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command_line='screendump %s' % screenshot_path)
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@skipUnless(PIL_AVAILABLE, 'Python PIL not installed')
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def test_bootrom_framebuffer_size(self):
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screenshot_path = os.path.join(self.workdir, "dump.ppm")
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self.check_bootrom_framebuffer(screenshot_path)
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width, height = Image.open(screenshot_path).size
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self.assertEqual(width, 1120)
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self.assertEqual(height, 832)
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@skipUnless(tesseract_available(3), 'tesseract v3 OCR tool not available')
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def test_bootrom_framebuffer_ocr_with_tesseract_v3(self):
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screenshot_path = os.path.join(self.workdir, "dump.ppm")
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self.check_bootrom_framebuffer(screenshot_path)
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lines = tesseract_ocr(screenshot_path, tesseract_version=3)
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text = '\n'.join(lines)
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self.assertIn('Backplane', text)
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self.assertIn('Ethernet address', text)
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# Tesseract 4 adds a new OCR engine based on LSTM neural networks. The
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# new version is faster and more accurate than version 3. The drawback is
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# that it is still alpha-level software.
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@skipUnless(tesseract_available(4), 'tesseract v4 OCR tool not available')
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def test_bootrom_framebuffer_ocr_with_tesseract_v4(self):
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screenshot_path = os.path.join(self.workdir, "dump.ppm")
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self.check_bootrom_framebuffer(screenshot_path)
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lines = tesseract_ocr(screenshot_path, tesseract_version=4)
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text = '\n'.join(lines)
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self.assertIn('Testing the FPU, SCC', text)
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self.assertIn('System test failed. Error code', text)
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self.assertIn('Boot command', text)
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self.assertIn('Next>', text)
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