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virnetdevbandwidthtest: Introduce testVirNetDevBandwidthSet

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The test tries to set some QoS limits and check if the commands
that are actually executed are the expected ones.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2014-01-27 14:53:00 +01:00
parent 550a2ceffb
commit 7bcbb53e18
1 changed files with 77 additions and 0 deletions
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77
tests/virnetdevbandwidthtest.c
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@ -21,6 +21,7 @@
#include <config.h>
#include "testutils.h"
#include "vircommand.h"
#include "virnetdevbandwidth.h"
#include "netdev_bandwidth_conf.c"
@ -32,6 +33,13 @@ struct testMinimalStruct {
const char *band2;
};
struct testSetStruct {
const char *band;
const char *exp_cmd;
const char *iface;
const bool hierarchical_class;
};
#define PARSE(xml, var) \
do { \
xmlDocPtr doc; \
@ -103,6 +111,49 @@ cleanup:
return ret;
}
static int
testVirNetDevBandwidthSet(const void *data)
{
int ret = -1;
const struct testSetStruct *info = data;
const char *iface = info->iface;
virNetDevBandwidthPtr band = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
char *actual_cmd = NULL;
PARSE(info->band, band);
if (!iface)
iface = "eth0";
virCommandSetDryRun(&buf);
if (virNetDevBandwidthSet(iface, band, info->hierarchical_class) < 0)
goto cleanup;
if (!(actual_cmd = virBufferContentAndReset(&buf))) {
int err = virBufferError(&buf);
if (err) {
fprintf(stderr, "buffer's in error state: %d", err);
goto cleanup;
}
/* This is interesting, no command has been executed.
* Maybe that's expected, actually. */
}
if (STRNEQ_NULLABLE(info->exp_cmd, actual_cmd)) {
virtTestDifference(stderr, info->exp_cmd, actual_cmd);
goto cleanup;
}
ret = 0;
cleanup:
virNetDevBandwidthFree(band);
virBufferFreeAndReset(&buf);
VIR_FREE(actual_cmd);
return ret;
}
static int
mymain(void)
{
@ -117,6 +168,17 @@ mymain(void)
ret = -1; \
} while (0)
#define DO_TEST_SET(Band, Exp_cmd, ...) \
do { \
struct testSetStruct data = {.band = Band, \
.exp_cmd = Exp_cmd, \
__VA_ARGS__}; \
if (virtTestRun("virNetDevBandwidthSet", \
testVirNetDevBandwidthSet, \
&data) < 0) \
ret = -1; \
} while (0)
DO_TEST_MINIMAL(NULL, NULL, NULL);
@ -149,6 +211,21 @@ mymain(void)
" <inbound average='1' peak='2' floor='3'/>"
" <outbound average='5' peak='6'/>"
"</bandwidth>");
DO_TEST_SET(("<bandwidth>"
" <inbound average='1' peak='2' floor='3' burst='4'/>"
" <outbound average='5' peak='6' burst='7'/>"
"</bandwidth>"),
("/sbin/tc qdisc del dev eth0 root\n"
"/sbin/tc qdisc del dev eth0 ingress\n"
"/sbin/tc qdisc add dev eth0 root handle 1: htb default 1\n"
"/sbin/tc class add dev eth0 parent 1: classid 1:1 htb rate 1kbps ceil 2kbps burst 4kb\n"
"/sbin/tc qdisc add dev eth0 parent 1:1 handle 2: sfq perturb 10\n"
"/sbin/tc filter add dev eth0 parent 1:0 protocol ip handle 1 fw flowid 1\n"
"/sbin/tc qdisc add dev eth0 ingress\n"
"/sbin/tc filter add dev eth0 parent ffff: protocol ip u32 match ip src 0.0.0.0/0 "
"police rate 5kbps burst 7kb mtu 64kb drop flowid :1\n"));
return ret;
}