Re: [PATCH 4/4] tests: Add separate tests for 'xres' and 'yres'

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On Sun, Aug 04, 2019 at 10:21:21PM -0300, jcfaracco@xxxxxxxxx wrote:
From: Julio Faracco <jcfaracco@xxxxxxxxx>

New tests to verify resolution properties of a simple qxl video.

Signed-off-by: Julio Faracco <jcfaracco@xxxxxxxxx>
---
.../video-qxl-resolution.args                 | 32 +++++++++++++++

xml->argv test should be introduced along with the qemu_command changes.

.../qemuxml2argvdata/video-qxl-resolution.xml | 40 +++++++++++++++++++
tests/qemuxml2argvtest.c                      |  4 ++
.../video-qxl-resolution.xml                  | 40 +++++++++++++++++++
tests/qemuxml2xmltest.c                       |  1 +
5 files changed, 117 insertions(+)
create mode 100644 tests/qemuxml2argvdata/video-qxl-resolution.args
create mode 100644 tests/qemuxml2argvdata/video-qxl-resolution.xml
create mode 100644 tests/qemuxml2xmloutdata/video-qxl-resolution.xml

diff --git a/tests/qemuxml2argvdata/video-qxl-resolution.args b/tests/qemuxml2argvdata/video-qxl-resolution.args
new file mode 100644
index 0000000000..71370ff735
diff --git a/tests/qemuxml2argvdata/video-qxl-resolution.xml b/tests/qemuxml2argvdata/video-qxl-resolution.xml
new file mode 100644
index 0000000000..c6275c1bc5
--- /dev/null
+++ b/tests/qemuxml2argvdata/video-qxl-resolution.xml
@@ -0,0 +1,40 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219136</memory>
+  <currentMemory unit='KiB'>219136</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-i686</emulator>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>

No need for a disk for testing graphics devices.

+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='ide' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' vgamem='8192' heads='1' xres='1280' yres='720' primary='yes'/>

I'm not a fan of blindly copying qemu's laconic arguments.
Also, for other devices, we'd put such arguments into the <driver>
element, not <model>.

So I propose either:
<model>
 <resolution x='1280' y='720'/>
</model>

or

<driver>
 <resolution x='1280' y='720'/>
</driver>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </video>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </memballoon>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index c166fd18d6..b67ba8f135 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -2003,6 +2003,10 @@ mymain(void)
            QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
            QEMU_CAPS_DEVICE_QXL,
            QEMU_CAPS_QXL_MAX_OUTPUTS);
+    DO_TEST("video-qxl-resolution",
+            QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
+            QEMU_CAPS_DEVICE_QXL,
+            QEMU_CAPS_QXL_MAX_OUTPUTS);

Please use DO_TEST_CAPS_LATEST which runs the test with the latest QEMU
capabilities we have collected from a real QEMU instance. With manually
enumerating the capabilities there's a risk of missing some.

If you want to test it against an older QEMU version which lacked some
capability, there's DO_TEST_CAPS_VER

Jano

    DO_TEST("video-virtio-gpu-device",
            QEMU_CAPS_DEVICE_VIRTIO_GPU,
            QEMU_CAPS_DEVICE_VIDEO_PRIMARY);

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