Re: [PATCH 1/4] tests: split out common qemu driver initialization

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On Tue, Sep 15, 2015 at 10:05:19AM +0200, Ján Tomko wrote:
From: Pavel Fedin <p.fedin@xxxxxxxxxxx>

Two utility functions are introduced for proper initialization and
cleanup of the driver.

Signed-off-by: Pavel Fedin <p.fedin@xxxxxxxxxxx>
Signed-off-by: Ján Tomko <jtomko@xxxxxxxxxx>
---
tests/domainsnapshotxml2xmltest.c | 10 +++-------
tests/qemuagenttest.c             | 11 ++++++-----
tests/qemuargv2xmltest.c          | 12 ++----------
tests/qemuhotplugtest.c           |  9 ++-------
tests/qemuxml2argvtest.c          | 11 ++---------
tests/qemuxml2xmltest.c           |  8 +++-----
tests/qemuxmlnstest.c             | 11 +++--------
tests/testutilsqemu.c             | 30 ++++++++++++++++++++++++++++++
tests/testutilsqemu.h             |  2 ++
9 files changed, 53 insertions(+), 51 deletions(-)

diff --git a/tests/domainsnapshotxml2xmltest.c b/tests/domainsnapshotxml2xmltest.c
index 3955a19..b66af3e 100644
--- a/tests/domainsnapshotxml2xmltest.c
+++ b/tests/domainsnapshotxml2xmltest.c
@@ -152,13 +152,10 @@ mymain(void)
{
    int ret = 0;

-    if ((driver.caps = testQemuCapsInit()) == NULL)
+    if (qemuTestDriverInit(&driver) < 0)
        return EXIT_FAILURE;

-    if (!(driver.xmlopt = virQEMUDriverCreateXMLConf(&driver))) {
-        virObjectUnref(driver.caps);
-        return EXIT_FAILURE;
-    }
+    driver.config->allowDiskFormatProbing = true;


Why is this needed?

diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 5a20ebc..3552309 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -302,11 +302,10 @@ mymain(void)
    int ret = 0;
    struct testInfo info;

-    if ((driver.caps = testQemuCapsInit()) == NULL)
+    if (qemuTestDriverInit(&driver) < 0)
        return EXIT_FAILURE;

-    if (!(driver.xmlopt = virQEMUDriverCreateXMLConf(&driver)))
-        return EXIT_FAILURE;
+    driver.config->allowDiskFormatProbing = true;


same here

diff --git a/tests/testutilsqemu.c b/tests/testutilsqemu.c
index a2f4299..84dfa75 100644
--- a/tests/testutilsqemu.c
+++ b/tests/testutilsqemu.c
@@ -526,4 +526,34 @@ qemuTestParseCapabilities(const char *capsFile)
    xmlXPathFreeContext(ctxt);
    return NULL;
}
+
+int qemuTestDriverInit(virQEMUDriver *driver)
+{
+    driver->config = virQEMUDriverConfigNew(false);
+    if (!driver->config)
+        return -ENOMEM;
+
+    driver->caps = testQemuCapsInit();
+    if (!driver->caps)
+        goto error;
+
+    driver->xmlopt = virQEMUDriverCreateXMLConf(driver);
+    if (!driver->xmlopt)
+        goto error;
+
+    return 0;
+
+ error:
+    virObjectUnref(driver->caps);
+    virObjectUnref(driver->config);
+    virObjectUnref(driver->xmlopt);

qemuTestDriverFree would be nicer

+    return -ENOMEM;

also -1 would do here.

+}
+
+void qemuTestDriverFree(virQEMUDriver *driver)
+{
+    virObjectUnref(driver->xmlopt);
+    virObjectUnref(driver->caps);
+    virObjectUnref(driver->config);
+}
#endif

ACK with allowDiskFormatProbing removed and the two mentioned nits
fixed, otherwise please explain the format probing if you want that
it too.

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