tests: qemuxml2argv: Fix and enable 'disk-transient' case

We didn't actually use this file. Change the disk type to 'file' so that
it works in qemu and add pre and post-blockdev invocations.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Tested-by: Ján Tomko <jtomko@redhat.com>

tests/qemuxml2argvdata/disk-transient.x86_64-4.1.0.err

@@ -0,0 +1 @@
+unsupported configuration: transient disk not supported by this QEMU binary (hda)

tests/qemuxml2argvdata/disk-transient.x86_64-latest.args

@@ -0,0 +1,42 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-i386 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object secret,id=masterKey0,format=raw,\
+file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off \
+-cpu qemu64 \
+-m 214 \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot strict=on \
+-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
+-blockdev '{"driver":"file","filename":"/tmp/QEMUGuest1.img",\
+"node-name":"libvirt-1-storage","cache":{"direct":true,"no-flush":false},\
+"auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,\
+"cache":{"direct":true,"no-flush":false},"driver":"qcow2",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,bootindex=1,\
+write-cache=on \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2 \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
+resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxml2argvdata/disk-transient.xml

@@ -14,9 +14,9 @@
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/usr/bin/qemu-system-i386</emulator>
-    <disk type='block' device='disk'>
+    <disk type='file' device='disk'>
       <driver name='qemu' type='qcow2' cache='none'/>
-      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <source file='/tmp/QEMUGuest1.img'/>
       <target dev='hda' bus='ide'/>
       <transient/>
       <address type='drive' controller='0' bus='0' target='0' unit='0'/>

tests/qemuxml2argvtest.c

@@ -1175,6 +1175,8 @@ mymain(void)
     DO_TEST_CAPS_VER("disk-cache", "2.7.0");
     DO_TEST_CAPS_VER("disk-cache", "2.12.0");
     DO_TEST_CAPS_LATEST("disk-cache");
+    DO_TEST_CAPS_ARCH_VER_PARSE_ERROR("disk-transient", "x86_64", "4.1.0");
+    DO_TEST_CAPS_LATEST("disk-transient");
     DO_TEST("disk-network-nbd", NONE);
     DO_TEST_CAPS_VER("disk-network-nbd", "2.12.0");
     DO_TEST_CAPS_LATEST("disk-network-nbd");