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#!/usr/bin/env python3
#
# 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 qemu_test import QemuSystemTest, Asset
from unittest import skipUnless
from qemu_test.tesseract import tesseract_available, tesseract_ocr
PIL_AVAILABLE = True
try:
from PIL import Image
except ImportError:
PIL_AVAILABLE = False
class NextCubeMachine(QemuSystemTest):
timeout = 15
ASSET_ROM = Asset(('https://sourceforge.net/p/previous/code/1350/tree/'
'trunk/src/Rev_2.5_v66.BIN?format=raw'),
'1b753890b67095b73e104c939ddf62eca9e7d0aedde5108e3893b0ed9d8000a4')
def check_bootrom_framebuffer(self, screenshot_path):
rom_path = self.ASSET_ROM.fetch()
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.cmd('human-monitor-command',
command_line='screendump %s' % screenshot_path)
@skipUnless(PIL_AVAILABLE, 'Python PIL not installed')
def test_bootrom_framebuffer_size(self):
self.set_machine('next-cube')
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)
# 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 OCR tool not available')
def test_bootrom_framebuffer_ocr_with_tesseract(self):
self.set_machine('next-cube')
screenshot_path = os.path.join(self.workdir, "dump.ppm")
self.check_bootrom_framebuffer(screenshot_path)
lines = tesseract_ocr(screenshot_path)
text = '\n'.join(lines)
self.assertIn('Testing the FPU', text)
self.assertIn('System test failed. Error code', text)
self.assertIn('Boot command', text)
self.assertIn('Next>', text)
if __name__ == '__main__':
QemuSystemTest.main()
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