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