[PATCH 3/3] qemublocktest: add test of transient option for qcow2 disk

[Masayoshi Mizuma <msys.mizuma@xxxxxxxxx>]

From: Masayoshi Mizuma <m.mizuma@xxxxxxxxxxxxxx>

Add a unit test for transient option for qcow2 file.

Signed-off-by: Masayoshi Mizuma <m.mizuma@xxxxxxxxxxxxxx>
---
 tests/qemublocktest.c                               | 10 ++++++++++
 .../xml2json/qcow2-transient-srconly.json           |  9 +++++++++
 .../qemublocktestdata/xml2json/qcow2-transient.json | 13 +++++++++++++
 .../qemublocktestdata/xml2json/qcow2-transient.xml  | 13 +++++++++++++
 4 files changed, 45 insertions(+)
 create mode 100644 tests/qemublocktestdata/xml2json/qcow2-transient-srconly.json
 create mode 100644 tests/qemublocktestdata/xml2json/qcow2-transient.json
 create mode 100644 tests/qemublocktestdata/xml2json/qcow2-transient.xml

diff --git a/tests/qemublocktest.c b/tests/qemublocktest.c
index 0cdedb9..1294c18 100644
--- a/tests/qemublocktest.c
+++ b/tests/qemublocktest.c
@@ -266,6 +266,7 @@ testQemuDiskXMLToProps(const void *opaque)
     g_autoptr(virJSONValue) formatProps = NULL;
     g_autoptr(virJSONValue) storageProps = NULL;
     g_autoptr(virJSONValue) storageSrcOnlyProps = NULL;
+    qemuDomainObjPrivate priv;
     g_autofree char *xmlpath = NULL;
     g_autofree char *xmlstr = NULL;
 
@@ -288,6 +289,13 @@ testQemuDiskXMLToProps(const void *opaque)
         return -1;
     }
 
+    if (disk->transient) {
+            priv.driver = data->driver;
+            if (qemuBlockCreateTransientDisk(disk->src, &priv) < 0)
+                return EXIT_AM_SKIP;
+            unlink(disk->src->path);
+    }
+
     for (n = disk->src; virStorageSourceIsBacking(n); n = n->backingStore) {
         g_autofree char *backingstore = NULL;
 
@@ -1226,6 +1234,8 @@ mymain(void)
 
     TEST_DISK_TO_JSON("nvme-raw-noopts");
 
+    TEST_DISK_TO_JSON("qcow2-transient");
+
 #define TEST_JSON_TO_JSON(nme) \
     do { \
         jsontojsondata.name = nme; \
diff --git a/tests/qemublocktestdata/xml2json/qcow2-transient-srconly.json b/tests/qemublocktestdata/xml2json/qcow2-transient-srconly.json
new file mode 100644
index 0000000..3c2de91
--- /dev/null
+++ b/tests/qemublocktestdata/xml2json/qcow2-transient-srconly.json
@@ -0,0 +1,9 @@
+(
+  source only properties:
+  {
+    "driver": "file",
+    "filename": "/var/lib/libvirt/images/transient.qcow2.TRANSIENT"
+  }
+  backing store string:
+  /var/lib/libvirt/images/transient.qcow2.TRANSIENT
+)
diff --git a/tests/qemublocktestdata/xml2json/qcow2-transient.json b/tests/qemublocktestdata/xml2json/qcow2-transient.json
new file mode 100644
index 0000000..57463e1
--- /dev/null
+++ b/tests/qemublocktestdata/xml2json/qcow2-transient.json
@@ -0,0 +1,13 @@
+{
+  "node-name": "1234567890",
+  "read-only": false,
+  "driver": "qcow2",
+  "file": "1234567890"
+}
+{
+  "driver": "file",
+  "filename": "/var/lib/libvirt/images/transient.qcow2.TRANSIENT",
+  "node-name": "1234567890",
+  "auto-read-only": true,
+  "discard": "unmap"
+}
diff --git a/tests/qemublocktestdata/xml2json/qcow2-transient.xml b/tests/qemublocktestdata/xml2json/qcow2-transient.xml
new file mode 100644
index 0000000..d2e3919
--- /dev/null
+++ b/tests/qemublocktestdata/xml2json/qcow2-transient.xml
@@ -0,0 +1,13 @@
+<disk type='file' device='disk'>
+  <driver name='qemu' type='qcow2'/>
+  <source file='/var/lib/libvirt/images/transient.qcow2'>
+    <privateData>
+      <nodenames>
+        <nodename type='storage' name='1234567890'/>
+        <nodename type='format' name='1234567890'/>
+      </nodenames>
+    </privateData>
+  </source>
+  <target dev='vda' bus='virtio'/>
+  <transient/>
+</disk>
-- 
2.27.0