tests/acceptance/machine_m68k_nextcube.py

   1 # Functional test that boots a VM and run OCR on the framebuffer
   2 #
   3 # Copyright (c) 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
   8 import os
   9 import re
  10 import time
  11 import logging
  12 import distutils.spawn
  13
  14 from avocado_qemu import Test
  15 from avocado import skipUnless
  16 from avocado.utils import process
  17 from avocado.utils.path import find_command, CmdNotFoundError
  18
  19 PIL_AVAILABLE = True
  20 try:
  21     from PIL import Image
  22 except ImportError:
  23     PIL_AVAILABLE = False
  24
  25
  26 def tesseract_available(expected_version):
  27     try:
  28         find_command('tesseract')
  29     except CmdNotFoundError:
  30         return False
  31     res = process.run('tesseract --version')
  32     try:
  33         version = res.stdout_text.split()[1]
  34     except IndexError:
  35         version = res.stderr_text.split()[1]
  36     return int(version.split('.')[0]) == expected_version
  37
  38     match = re.match(r'tesseract\s(\d)', res)
  39     if match is None:
  40         return False
  41     # now this is guaranteed to be a digit
  42     return int(match.groups()[0]) == expected_version
  43
  44
  45 class NextCubeMachine(Test):
  46     """
  47     :avocado: tags=arch:m68k
  48     :avocado: tags=machine:next-cube
  49     :avocado: tags=device:framebuffer
  50     """
  51
  52     timeout = 15
  53
  54     def check_bootrom_framebuffer(self, screenshot_path):
  55         rom_url = ('http://www.nextcomputers.org/NeXTfiles/Software/ROM_Files/'
  56                    '68040_Non-Turbo_Chipset/Rev_2.5_v66.BIN')
  57         rom_hash = 'b3534796abae238a0111299fc406a9349f7fee24'
  58         rom_path = self.fetch_asset(rom_url, asset_hash=rom_hash)
  59
  60         self.vm.add_args('-bios', rom_path)
  61         self.vm.launch()
  62
  63         self.log.info('VM launched, waiting for display')
  64         # TODO: Use avocado.utils.wait.wait_for to catch the
  65         #       'displaysurface_create 1120x832' trace-event.
  66         time.sleep(2)
  67
  68         self.vm.command('human-monitor-command',
  69                         command_line='screendump %s' % screenshot_path)
  70
  71     @skipUnless(PIL_AVAILABLE, 'Python PIL not installed')
  72     def test_bootrom_framebuffer_size(self):
  73         screenshot_path = os.path.join(self.workdir, "dump.png")
  74         self.check_bootrom_framebuffer(screenshot_path)
  75
  76         width, height = Image.open(screenshot_path).size
  77         self.assertEqual(width, 1120)
  78         self.assertEqual(height, 832)
  79
  80     @skipUnless(tesseract_available(3), 'tesseract v3 OCR tool not available')
  81     def test_bootrom_framebuffer_ocr_with_tesseract_v3(self):
  82         screenshot_path = os.path.join(self.workdir, "dump.png")
  83         self.check_bootrom_framebuffer(screenshot_path)
  84
  85         console_logger = logging.getLogger('console')
  86         text = process.run("tesseract %s stdout" % screenshot_path).stdout_text
  87         for line in text.split('\n'):
  88             if len(line):
  89                 console_logger.debug(line)
  90         self.assertIn('Backplane', text)
  91         self.assertIn('Ethernet address', text)
  92
  93     # Tesseract 4 adds a new OCR engine based on LSTM neural networks. The
  94     # new version is faster and more accurate than version 3. The drawback is
  95     # that it is still alpha-level software.
  96     @skipUnless(tesseract_available(4), 'tesseract v4 OCR tool not available')
  97     def test_bootrom_framebuffer_ocr_with_tesseract_v4(self):
  98         screenshot_path = os.path.join(self.workdir, "dump.png")
  99         self.check_bootrom_framebuffer(screenshot_path)
 100
 101         console_logger = logging.getLogger('console')
 102         proc = process.run("tesseract --oem 1 %s stdout" % screenshot_path)
 103         text = proc.stdout_text
 104         for line in text.split('\n'):
 105             if len(line):
 106                 console_logger.debug(line)
 107         self.assertIn('Testing the FPU, SCC', text)
 108         self.assertIn('System test failed. Error code', text)
 109         self.assertIn('Boot command', text)
 110         self.assertIn('Next>', text)