tests: utils: Allow parsing test capability file without virCaps

virCaps was used only to propagate the host architecture, so the
function can be extracted in a way which does not require it.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>

tests/testutilsqemu.c

@@ -486,16 +486,13 @@ qemuTestSetHostCPU(virCapsPtr caps,
 
 
 virQEMUCapsPtr
-qemuTestParseCapabilities(virCapsPtr caps,
+qemuTestParseCapabilitiesArch(virArch arch,
                               const char *capsFile)
 {
     virQEMUCapsPtr qemuCaps = NULL;
 
-    if (!caps)
-        return NULL;
-
     if (!(qemuCaps = virQEMUCapsNew()) ||
-        virQEMUCapsLoadCache(caps->host.arch, qemuCaps, capsFile) < 0)
+        virQEMUCapsLoadCache(arch, qemuCaps, capsFile) < 0)
         goto error;
 
     return qemuCaps;
@@ -505,6 +502,18 @@ qemuTestParseCapabilities(virCapsPtr caps,
     return NULL;
 }
 
+
+virQEMUCapsPtr
+qemuTestParseCapabilities(virCapsPtr caps,
+                          const char *capsFile)
+{
+    if (!caps)
+        return NULL;
+
+    return qemuTestParseCapabilitiesArch(caps->host.arch, capsFile);
+}
+
+
 void qemuTestDriverFree(virQEMUDriver *driver)
 {
     virMutexDestroy(&driver->lock);

tests/testutilsqemu.h

@@ -16,6 +16,9 @@ enum {
 virCapsPtr testQemuCapsInit(void);
 virDomainXMLOptionPtr testQemuXMLConfInit(void);
 
+
+virQEMUCapsPtr qemuTestParseCapabilitiesArch(virArch arch,
+                                             const char *capsFile);
 virQEMUCapsPtr qemuTestParseCapabilities(virCapsPtr caps,
                                          const char *capsFile);