tests/qtest: drive_del-test: Skip tests that require missing devices

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Message-Id: <20230208194700.11035-9-farosas@suse.de>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/qtest/drive_del-test.c

@@ -16,6 +16,8 @@
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qlist.h"
 
+static const char *qvirtio_get_dev_type(void);
+
 static bool look_for_drive0(QTestState *qts, const char *command, const char *key)
 {
     QDict *response;
@@ -40,6 +42,19 @@ static bool look_for_drive0(QTestState *qts, const char *command, const char *ke
     return found;
 }
 
+/*
+ * This covers the possible absence of a device due to QEMU build
+ * options.
+ */
+static bool has_device_builtin(const char *dev)
+{
+    gchar *device = g_strdup_printf("%s-%s", dev, qvirtio_get_dev_type());
+    bool rc = qtest_has_device(device);
+
+    g_free(device);
+    return rc;
+}
+
 static bool has_drive(QTestState *qts)
 {
     return look_for_drive0(qts, "query-block", "device");
@@ -208,6 +223,11 @@ static void test_drive_del_device_del(void)
 {
     QTestState *qts;
 
+    if (!has_device_builtin("virtio-scsi")) {
+        g_test_skip("Device virtio-scsi is not available");
+        return;
+    }
+
     /* Start with a drive used by a device that unplugs instantaneously */
     qts = qtest_initf("-drive if=none,id=drive0,file=null-co://,"
                       "file.read-zeroes=on,format=raw"
@@ -232,6 +252,11 @@ static void test_cli_device_del(void)
     const char *arch = qtest_get_arch();
     const char *machine_addition = "";
 
+    if (!has_device_builtin("virtio-blk")) {
+        g_test_skip("Device virtio-blk is not available");
+        return;
+    }
+
     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
         machine_addition = "-machine pc";
     }
@@ -256,6 +281,11 @@ static void test_cli_device_del_q35(void)
 {
     QTestState *qts;
 
+    if (!has_device_builtin("virtio-blk")) {
+        g_test_skip("Device virtio-blk is not available");
+        return;
+    }
+
     /*
      * -drive/-device and device_del.  Start with a drive used by a
      * device that unplugs after reset.
@@ -277,6 +307,11 @@ static void test_empty_device_del(void)
 {
     QTestState *qts;
 
+    if (!has_device_builtin("virtio-scsi")) {
+        g_test_skip("Device virtio-scsi is not available");
+        return;
+    }
+
     /* device_del with no drive plugged.  */
     qts = qtest_initf("-device virtio-scsi-%s -device scsi-cd,id=dev0",
                       qvirtio_get_dev_type());
@@ -291,6 +326,11 @@ static void test_device_add_and_del(void)
     const char *arch = qtest_get_arch();
     const char *machine_addition = "";
 
+    if (!has_device_builtin("virtio-blk")) {
+        g_test_skip("Device virtio-blk is not available");
+        return;
+    }
+
     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
         machine_addition = "-machine pc";
     }
@@ -330,6 +370,11 @@ static void test_device_add_and_del_q35(void)
 {
     QTestState *qts;
 
+    if (!has_device_builtin("virtio-blk")) {
+        g_test_skip("Device virtio-blk is not available");
+        return;
+    }
+
     /*
      * -drive/device_add and device_del.  Start with a drive used by a
      * device that unplugs after reset.
@@ -352,6 +397,11 @@ static void test_drive_add_device_add_and_del(void)
     const char *arch = qtest_get_arch();
     const char *machine_addition = "";
 
+    if (!has_device_builtin("virtio-blk")) {
+        g_test_skip("Device virtio-blk is not available");
+        return;
+    }
+
     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
         machine_addition = "-machine pc";
     }
@@ -374,6 +424,11 @@ static void test_drive_add_device_add_and_del_q35(void)
 {
     QTestState *qts;
 
+    if (!has_device_builtin("virtio-blk")) {
+        g_test_skip("Device virtio-blk is not available");
+        return;
+    }
+
     qts = qtest_init("-machine q35 -device pcie-root-port,id=p1 "
                      "-device pcie-pci-bridge,bus=p1,id=b1");
 
@@ -395,6 +450,11 @@ static void test_blockdev_add_device_add_and_del(void)
     const char *arch = qtest_get_arch();
     const char *machine_addition = "";
 
+    if (!has_device_builtin("virtio-blk")) {
+        g_test_skip("Device virtio-blk is not available");
+        return;
+    }
+
     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
         machine_addition = "-machine pc";
     }
@@ -417,6 +477,11 @@ static void test_blockdev_add_device_add_and_del_q35(void)
 {
     QTestState *qts;
 
+    if (!has_device_builtin("virtio-blk")) {
+        g_test_skip("Device virtio-blk is not available");
+        return;
+    }
+
     qts = qtest_init("-machine q35 -device pcie-root-port,id=p1 "
                      "-device pcie-pci-bridge,bus=p1,id=b1");