qemuxml2argvtest: use driver.config and priv for qemuDomainSetPrivatePaths

Update testutilsqemu to overwrite libDir and channelTargetDir and set
private paths using domain's privateData.  This changes is required for
following patch.
Signed-off-by: NPavel Hrdina <phrdina@redhat.com>

tests/qemuxml2argvdata/qemuxml2argv-channel-virtio-unix.xml

@@ -33,7 +33,7 @@
       <target type='virtio' name='ble'/>
     </channel>
     <channel type='unix'>
-      <source path='/tmp/domain-oldname/fdsa'/>
+      <source path='/tmp/channel/domain-oldname/fdsa'/>
       <target type='virtio' name='fdsa'/>
     </channel>
     <memballoon model='none'/>

tests/qemuxml2argvtest.c

@@ -265,8 +265,7 @@ static int testCompareXMLToArgvFiles(const char *xml,
     virCommandPtr cmd = NULL;
     size_t i;
     virBitmapPtr nodeset = NULL;
-    char *domainLibDir = NULL;
-    char *domainChannelTargetDir = NULL;
+    qemuDomainObjPrivatePtr priv = NULL;
 
     if (!(conn = virGetConnect()))
         goto out;
@@ -286,6 +285,7 @@ static int testCompareXMLToArgvFiles(const char *xml,
             goto ok;
         goto out;
     }
+    priv = vm->privateData;
 
     if (!virDomainDefCheckABIStability(vm->def, vm->def)) {
         VIR_TEST_DEBUG("ABI stability check failed on %s", xml);
@@ -294,13 +294,14 @@ static int testCompareXMLToArgvFiles(const char *xml,
 
     vm->def->id = -1;
 
-    if (qemuDomainSetPrivatePaths(&domainLibDir, &domainChannelTargetDir,
-                                  "/tmp/lib", "/tmp/channel",
+    if (qemuDomainSetPrivatePaths(&priv->libDir, &priv->channelTargetDir,
+                                  driver.config->libDir,
+                                  driver.config->channelTargetDir,
                                   vm->def->name, vm->def->id) < 0)
         goto out;
 
     memset(&monitor_chr, 0, sizeof(monitor_chr));
-    if (qemuProcessPrepareMonitorChr(&monitor_chr, domainLibDir) < 0)
+    if (qemuProcessPrepareMonitorChr(&monitor_chr, priv->libDir) < 0)
         goto out;
 
     virQEMUCapsSetList(extraFlags,
@@ -366,7 +367,7 @@ static int testCompareXMLToArgvFiles(const char *xml,
                                      &testCallbacks, false,
                                      (flags & FLAG_FIPS),
                                      nodeset, NULL, NULL,
-                                     domainLibDir, domainChannelTargetDir))) {
+                                     priv->libDir, priv->channelTargetDir))) {
         if (flags & FLAG_EXPECT_FAILURE)
             goto ok;
         goto out;
@@ -407,8 +408,6 @@ static int testCompareXMLToArgvFiles(const char *xml,
     virObjectUnref(vm);
     virObjectUnref(conn);
     virBitmapFree(nodeset);
-    VIR_FREE(domainLibDir);
-    VIR_FREE(domainChannelTargetDir);
     return ret;
 }
 
@@ -545,9 +544,6 @@ mymain(void)
     driver.config->spiceTLS = 1;
     if (VIR_STRDUP_QUIET(driver.config->spicePassword, "123456") < 0)
         return EXIT_FAILURE;
-    VIR_FREE(driver.config->channelTargetDir);
-    if (VIR_STRDUP_QUIET(driver.config->channelTargetDir, "/tmp") < 0)
-        return EXIT_FAILURE;
 
 # define DO_TEST_FULL(name, migrateFrom, migrateFd, flags,              \
                       parseFlags, ...)                                  \

tests/testutilsqemu.c

@@ -564,6 +564,13 @@ int qemuTestDriverInit(virQEMUDriver *driver)
     if (!driver->config)
         goto error;
 
+    /* Overwrite some default paths so it's consistent for tests. */
+    VIR_FREE(driver->config->libDir);
+    VIR_FREE(driver->config->channelTargetDir);
+    if (VIR_STRDUP(driver->config->libDir, "/tmp/lib") < 0 ||
+        VIR_STRDUP(driver->config->channelTargetDir, "/tmp/channel") < 0)
+        goto error;
+
     driver->caps = testQemuCapsInit();
     if (!driver->caps)
         goto error;