Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 79 insertions, 0 deletions

diff --git a/tests/avocado/machine_m68k_nextcube.py b/tests/avocado/machine_m68k_nextcube.py
new file mode 100644
index 000000000..6790e7d9c
--- /dev/null
+++ b/tests/avocado/machine_m68k_nextcube.py
@@ -0,0 +1,79 @@
+# 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)