LXR qemu/tests/avocado/machine_m68k

   1# Functional test that boots a VM and run OCR on the framebuffer
   2#
   3# Copyright (c) 2019 Philippe Mathieu-Daudé <f4bug@amsat.org>
   4#
   5# This work is licensed under the terms of the GNU GPL, version 2 or
   6# later.  See the COPYING file in the top-level directory.
   7
   8import os
   9import time
  10
  11from avocado_qemu import QemuSystemTest
  12from avocado import skipUnless
  13
  14from tesseract_utils import tesseract_available, tesseract_ocr
  15
  16PIL_AVAILABLE = True
  17try:
  18    from PIL import Image
  19except ImportError:
  20    PIL_AVAILABLE = False
  21
  22
  23class NextCubeMachine(QemuSystemTest):
  24    """
  25    :avocado: tags=arch:m68k
  26    :avocado: tags=machine:next-cube
  27    :avocado: tags=device:framebuffer
  28    """
  29
  30    timeout = 15
  31
  32    def check_bootrom_framebuffer(self, screenshot_path):
  33        rom_url = ('http://www.nextcomputers.org/NeXTfiles/Software/ROM_Files/'
  34                   '68040_Non-Turbo_Chipset/Rev_2.5_v66.BIN')
  35        rom_hash = 'b3534796abae238a0111299fc406a9349f7fee24'
  36        rom_path = self.fetch_asset(rom_url, asset_hash=rom_hash)
  37
  38        self.vm.add_args('-bios', rom_path)
  39        self.vm.launch()
  40
  41        self.log.info('VM launched, waiting for display')
  42        # TODO: Use avocado.utils.wait.wait_for to catch the
  43        #       'displaysurface_create 1120x832' trace-event.
  44        time.sleep(2)
  45
  46        self.vm.command('human-monitor-command',
  47                        command_line='screendump %s' % screenshot_path)
  48
  49    @skipUnless(PIL_AVAILABLE, 'Python PIL not installed')
  50    def test_bootrom_framebuffer_size(self):
  51        screenshot_path = os.path.join(self.workdir, "dump.ppm")
  52        self.check_bootrom_framebuffer(screenshot_path)
  53
  54        width, height = Image.open(screenshot_path).size
  55        self.assertEqual(width, 1120)
  56        self.assertEqual(height, 832)
  57
  58    @skipUnless(tesseract_available(3), 'tesseract v3 OCR tool not available')
  59    def test_bootrom_framebuffer_ocr_with_tesseract_v3(self):
  60        screenshot_path = os.path.join(self.workdir, "dump.ppm")
  61        self.check_bootrom_framebuffer(screenshot_path)
  62        lines = tesseract_ocr(screenshot_path, tesseract_version=3)
  63        text = '\n'.join(lines)
  64        self.assertIn('Backplane', text)
  65        self.assertIn('Ethernet address', text)
  66
  67    # Tesseract 4 adds a new OCR engine based on LSTM neural networks. The
  68    # new version is faster and more accurate than version 3. The drawback is
  69    # that it is still alpha-level software.
  70    @skipUnless(tesseract_available(4), 'tesseract v4 OCR tool not available')
  71    def test_bootrom_framebuffer_ocr_with_tesseract_v4(self):
  72        screenshot_path = os.path.join(self.workdir, "dump.ppm")
  73        self.check_bootrom_framebuffer(screenshot_path)
  74        lines = tesseract_ocr(screenshot_path, tesseract_version=4)
  75        text = '\n'.join(lines)
  76        self.assertIn('Testing the FPU, SCC', text)
  77        self.assertIn('System test failed. Error code', text)
  78        self.assertIn('Boot command', text)
  79        self.assertIn('Next>', text)
  80