[PATCH v6 4/6] tests/libqtest: update virtio-net failover test

[Laurent Vivier]

Update the migration test to check we correctly wait the end
of the card unplug before doing the migration.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
---
 tests/qtest/virtio-net-failover.c | 34 +++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/tests/qtest/virtio-net-failover.c 
b/tests/qtest/virtio-net-failover.c
index f8f5fbb3c7fe..c88f8ddec39a 100644
--- a/tests/qtest/virtio-net-failover.c
+++ b/tests/qtest/virtio-net-failover.c
@@ -560,6 +560,40 @@ static void test_migrate_out(gconstpointer opaque)
 
     qobject_unref(resp);
 
+    /* wait the end of the migration setup phase */
+    while (true) {
+        ret = migrate_status(qts);
+
+        status = qdict_get_str(ret, "status");
+        if (strcmp(status, "wait-unplug") == 0) {
+            break;
+        }
+
+        /* The migration must not start if the card is not ejected */
+        g_assert_cmpstr(status, !=, "active");
+        g_assert_cmpstr(status, !=, "completed");
+        g_assert_cmpstr(status, !=, "failed");
+        g_assert_cmpstr(status, !=, "cancelling");
+        g_assert_cmpstr(status, !=, "cancelled");
+
+        qobject_unref(ret);
+    }
+    qobject_unref(ret);
+
+    if (g_test_slow()) {
+        /* check we stay in wait-unplug while the card is not ejected */
+        int i;
+
+        for (i = 0; i < 10; i++) {
+            sleep(1);
+            ret = migrate_status(qts);
+            status = qdict_get_str(ret, "status");
+            g_assert_cmpstr(status, ==, "wait-unplug");
+            qobject_unref(ret);
+        }
+    }
+
+    /* OS unplugs the cards, QEMU can move from wait-unplug state */
     qtest_outl(qts, ACPI_PCIHP_ADDR_ICH9 + PCI_EJ_BASE, 1);
 
     while (true) {
-- 
2.33.1