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qemumonitortestutils: Improve error reporting from mock qemu monitor

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Use the JSON error messages to report errors back to the caller in
addition to erroring out. The error reported from the event loop from
the mock function of the monitor was later overwritten by the call to
the monitor/agent interaction API. This will also allow testing of error
reporting.
This commit is contained in:
Peter Krempa 2013-07-29 14:29:15 +02:00
parent 659fe6d2db
commit 69441df4d0
2 changed files with 49 additions and 11 deletions
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57
tests/qemumonitortestutils.c
View File

@ -97,6 +97,8 @@ qemuMonitorTestAddReponse(qemuMonitorTestPtr test,
size_t want = strlen(response) + 2;
size_t have = test->outgoingCapacity - test->outgoingLength;
VIR_DEBUG("Adding response to monitor command: '%s", response);
if (have < want) {
size_t need = want - have;
if (VIR_EXPAND_N(test->outgoing, test->outgoingCapacity, need) < 0)
@ -111,7 +113,7 @@ qemuMonitorTestAddReponse(qemuMonitorTestPtr test,
}
static int
int
qemuMonitorTestAddUnexpectedErrorResponse(qemuMonitorTestPtr test)
{
if (test->agent || test->json) {
@ -125,12 +127,48 @@ qemuMonitorTestAddUnexpectedErrorResponse(qemuMonitorTestPtr test)
}
int ATTRIBUTE_FMT_PRINTF(2, 3)
qemuMonitorReportError(qemuMonitorTestPtr test, const char *errmsg, ...)
{
va_list msgargs;
char *msg = NULL;
char *jsonmsg = NULL;
int ret = -1;
va_start(msgargs, errmsg);
if (virVasprintf(&msg, errmsg, msgargs) < 0)
goto cleanup;
if (test->agent || test->json) {
if (virAsprintf(&jsonmsg, "{ \"error\": "
" { \"desc\": \"%s\", "
" \"class\": \"UnexpectedCommand\" } }",
msg) < 0)
goto cleanup;
} else {
if (virAsprintf(&jsonmsg, "error: '%s'", msg) < 0)
goto cleanup;
}
ret = qemuMonitorTestAddReponse(test, jsonmsg);
cleanup:
va_end(msgargs);
VIR_FREE(msg);
VIR_FREE(jsonmsg);
return ret;
}
static int
qemuMonitorTestProcessCommand(qemuMonitorTestPtr test,
const char *cmdstr)
{
int ret;
VIR_DEBUG("Processing string from monitor handler: '%s", cmdstr);
if (test->nitems == 0) {
return qemuMonitorTestAddUnexpectedErrorResponse(test);
} else {
@ -399,8 +437,7 @@ qemuMonitorTestProcessCommandDefault(qemuMonitorTestPtr test,
return -1;
if (!(cmdname = virJSONValueObjectGetString(val, "execute"))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"Missing command name in %s", cmdstr);
ret = qemuMonitorReportError(test, "Missing command name in %s", cmdstr);
goto cleanup;
}
} else {
@ -410,8 +447,9 @@ qemuMonitorTestProcessCommandDefault(qemuMonitorTestPtr test,
cmdname = cmdcopy;
if (!(tmp = strchr(cmdcopy, ' '))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"Cannot find command name in '%s'", cmdstr);
ret = qemuMonitorReportError(test,
"Cannot find command name in '%s'",
cmdstr);
goto cleanup;
}
*tmp = '\0';
@ -465,8 +503,7 @@ qemuMonitorTestProcessGuestAgentSync(qemuMonitorTestPtr test,
return -1;
if (!(cmdname = virJSONValueObjectGetString(val, "execute"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
"Missing guest-sync command name");
ret = qemuMonitorReportError(test, "Missing guest-sync command name");
goto cleanup;
}
@ -476,14 +513,12 @@ qemuMonitorTestProcessGuestAgentSync(qemuMonitorTestPtr test,
}
if (!(args = virJSONValueObjectGet(val, "arguments"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
"Missing arguments for guest-sync");
ret = qemuMonitorReportError(test, "Missing arguments for guest-sync");
goto cleanup;
}
if (virJSONValueObjectGetNumberUlong(args, "id", &id)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
"Missing id for guest sync");
ret = qemuMonitorReportError(test, "Missing id for guest sync");
goto cleanup;
}

3
tests/qemumonitortestutils.h
View File

@ -41,8 +41,11 @@ int qemuMonitorTestAddHandler(qemuMonitorTestPtr test,
int qemuMonitorTestAddReponse(qemuMonitorTestPtr test,
const char *response);
int qemuMonitorTestAddUnexpectedErrorResponse(qemuMonitorTestPtr test);
void *qemuMonitorTestItemGetPrivateData(qemuMonitorTestItemPtr item);
int qemuMonitorReportError(qemuMonitorTestPtr test, const char *errmsg, ...);
int qemuMonitorTestAddItem(qemuMonitorTestPtr test,
const char *command_name,