tests/avocado/machine_m68k_nextcube.py

   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
   8 import os
   9 import time
  10
  11 from avocado_qemu import QemuSystemTest
  12 from avocado import skipUnless
  13
  14 from tesseract_utils import tesseract_available, tesseract_ocr
  15
  16 PIL_AVAILABLE = True
  17 try:
  18     from PIL import Image
  19 except ImportError:
  20     PIL_AVAILABLE = False
  21
  22
  23 class 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 = ('https://sourceforge.net/p/previous/code/1350/tree/'
  34                    'trunk/src/Rev_2.5_v66.BIN?format=raw')
  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.cmd('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     # Tesseract 4 adds a new OCR engine based on LSTM neural networks. The
  59     # new version is faster and more accurate than version 3. The drawback is
  60     # that it is still alpha-level software.
  61     @skipUnless(tesseract_available(4), 'tesseract OCR tool not available')
  62     def test_bootrom_framebuffer_ocr_with_tesseract(self):
  63         screenshot_path = os.path.join(self.workdir, "dump.ppm")
  64         self.check_bootrom_framebuffer(screenshot_path)
  65         lines = tesseract_ocr(screenshot_path, tesseract_version=4)
  66         text = '\n'.join(lines)
  67         self.assertIn('Testing the FPU', text)
  68         self.assertIn('System test failed. Error code', text)
  69         self.assertIn('Boot command', text)
  70         self.assertIn('Next>', text)