tests/functional: Convert some tests that download files via fetch_asset()

Now that we've got the Asset class with pre-caching, we can convert
some Avocado tests that use fetch_asset() for downloading their
required files.

Message-ID: <20240830133841.142644-18-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/functional/test_loongarch64_virt.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# LoongArch virt test.
+#
+# Copyright (c) 2023 Loongson Technology Corporation Limited
+#
+
+from qemu_test import QemuSystemTest, Asset
+from qemu_test import exec_command_and_wait_for_pattern
+from qemu_test import wait_for_console_pattern
+
+class LoongArchMachine(QemuSystemTest):
+    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
+
+    timeout = 120
+
+    ASSET_KERNEL = Asset(
+        ('https://github.com/yangxiaojuan-loongson/qemu-binary/'
+         'releases/download/2024-05-30/vmlinuz.efi'),
+        '08b88a45f48a5fd92260bae895be4e5175be2397481a6f7821b9f39b2965b79e')
+    ASSET_INITRD = Asset(
+        ('https://github.com/yangxiaojuan-loongson/qemu-binary/'
+         'releases/download/2024-05-30/ramdisk'),
+        '03d6fb6f8ee64ecac961120a0bdacf741f17b3bee2141f17fa01908c8baf176a')
+    ASSET_BIOS = Asset(
+        ('https://github.com/yangxiaojuan-loongson/qemu-binary/'
+         'releases/download/2024-05-30/QEMU_EFI.fd'),
+        '937c1e7815e2340150c194a9f8f0474259038a3d7b8845ed62cc08163c46bea1')
+
+    def wait_for_console_pattern(self, success_message, vm=None):
+        wait_for_console_pattern(self, success_message,
+                                 failure_message='Kernel panic - not syncing',
+                                 vm=vm)
+
+    def test_loongarch64_devices(self):
+
+        self.set_machine('virt')
+
+        kernel_path = self.ASSET_KERNEL.fetch()
+        initrd_path = self.ASSET_INITRD.fetch()
+        bios_path = self.ASSET_BIOS.fetch()
+
+        self.vm.set_console()
+        kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
+                               'root=/dev/ram rdinit=/sbin/init console=ttyS0,115200')
+        self.vm.add_args('-nographic',
+                         '-smp', '4',
+                         '-m', '1024',
+                         '-cpu', 'la464',
+                         '-kernel', kernel_path,
+                         '-initrd', initrd_path,
+                         '-bios', bios_path,
+                         '-append', kernel_command_line)
+        self.vm.launch()
+        self.wait_for_console_pattern('Run /sbin/init as init process')
+        exec_command_and_wait_for_pattern(self, 'cat /proc/cpuinfo',
+                                          'processor		: 3')
+
+if __name__ == '__main__':
+    QemuSystemTest.main()