[Xen-devel] [PATCH v2 2/4] tests: Add tests for query-netdevs command

[Alexey Kirillov <lekiravi@xxxxxxxxxxxxxx>]

Signed-off-by: Alexey Kirillov <lekiravi@xxxxxxxxxxxxxx>
---
 tests/qtest/Makefile.include     |   2 +
 tests/qtest/test-query-netdevs.c | 120 +++++++++++++++++++++++++++++++
 2 files changed, 122 insertions(+)
 create mode 100644 tests/qtest/test-query-netdevs.c

diff --git a/tests/qtest/Makefile.include b/tests/qtest/Makefile.include
index e769c1ad70..6924843ef9 100644
--- a/tests/qtest/Makefile.include
+++ b/tests/qtest/Makefile.include
@@ -9,6 +9,7 @@ check-qtest-generic-y += qmp-cmd-test
 check-qtest-generic-y += qom-test
 check-qtest-generic-$(CONFIG_MODULES) += modules-test
 check-qtest-generic-y += test-hmp
+check-qtest-generic-$(CONFIG_SLIRP) += test-query-netdevs
 
 check-qtest-pci-$(CONFIG_RTL8139_PCI) += rtl8139-test
 check-qtest-pci-$(CONFIG_VGA) += display-vga-test
@@ -303,6 +304,7 @@ tests/qtest/tpm-crb-test$(EXESUF): 
tests/qtest/tpm-crb-test.o tests/qtest/tpm-em
 tests/qtest/tpm-tis-swtpm-test$(EXESUF): tests/qtest/tpm-tis-swtpm-test.o 
tests/qtest/tpm-emu.o \
        tests/qtest/tpm-util.o tests/qtest/tpm-tests.o $(test-io-obj-y)
 tests/qtest/tpm-tis-test$(EXESUF): tests/qtest/tpm-tis-test.o 
tests/qtest/tpm-emu.o $(test-io-obj-y)
+tests/qtest/test-query-netdevs$(EXESUF): tests/qtest/test-query-netdevs.o
 
 # QTest rules
 
diff --git a/tests/qtest/test-query-netdevs.c b/tests/qtest/test-query-netdevs.c
new file mode 100644
index 0000000000..e077358a50
--- /dev/null
+++ b/tests/qtest/test-query-netdevs.c
@@ -0,0 +1,120 @@
+/*
+ * QTest testcase for the query-netdevs
+ *
+ * Copyright Yandex N.V., 2019
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+
+#include "libqtest.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qlist.h"
+
+/*
+ * Events can get in the way of responses we are actually waiting for.
+ */
+GCC_FMT_ATTR(2, 3)
+static QObject *wait_command(QTestState *who, const char *command, ...)
+{
+    va_list ap;
+    QDict *response;
+    QObject *result;
+
+    va_start(ap, command);
+    qtest_qmp_vsend(who, command, ap);
+    va_end(ap);
+
+    response = qtest_qmp_receive(who);
+
+    result = qdict_get(response, "return");
+    g_assert(result);
+    qobject_ref(result);
+    qobject_unref(response);
+
+    return result;
+}
+
+static void qmp_query_netdevs_no_error(QTestState *qts,
+                                       size_t netdevs_count)
+{
+    QObject *resp;
+    QList *netdevs;
+
+    resp = wait_command(qts, "{'execute': 'query-netdevs'}");
+
+    netdevs = qobject_to(QList, resp);
+    g_assert(netdevs);
+    g_assert(qlist_size(netdevs) == netdevs_count);
+
+    qobject_unref(resp);
+}
+
+static void test_query_netdevs(void)
+{
+    const char *arch = qtest_get_arch();
+    size_t correction = 0;
+    QObject *resp;
+    QTestState *state;
+
+    /* Archs which still have a netdev despite of -nodefaults */
+    if (g_str_equal(arch, "cris") ||
+        g_str_equal(arch, "microblaze") ||
+        g_str_equal(arch, "microblazeel") ||
+        g_str_equal(arch, "sparc")) {
+        correction = 1;
+    }
+
+    if (g_str_equal(arch, "arm") ||
+        g_str_equal(arch, "aarch64")) {
+        state = qtest_init(
+            "-nodefaults "
+            "-M virt "
+            "-netdev user,id=slirp0");
+    } else if (g_str_equal(arch, "tricore")) {
+        state = qtest_init(
+            "-nodefaults "
+            "-M tricore_testboard "
+            "-netdev user,id=slirp0");
+    } else {
+        state = qtest_init(
+            "-nodefaults "
+            "-netdev user,id=slirp0");
+    }
+    g_assert(state);
+
+    qmp_query_netdevs_no_error(state, 1 + correction);
+
+    resp = wait_command(state,
+        "{'execute': 'netdev_add', 'arguments': {"
+        " 'id': 'slirp1',"
+        " 'type': 'user'}}");
+    qobject_unref(resp);
+
+    qmp_query_netdevs_no_error(state, 2 + correction);
+
+    resp = wait_command(state,
+        "{'execute': 'netdev_del', 'arguments': {"
+        " 'id': 'slirp1'}}");
+    qobject_unref(resp);
+
+    qmp_query_netdevs_no_error(state, 1 + correction);
+
+    qtest_quit(state);
+}
+
+int main(int argc, char **argv)
+{
+    int ret = 0;
+    g_test_init(&argc, &argv, NULL);
+
+    qtest_add_func("/net/qapi/query_netdevs",
+        test_query_netdevs);
+
+    ret = g_test_run();
+
+    return ret;
+}
-- 
2.17.1


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