tests: add module loading test

This test will simply check that modules can be loaded, and no symbols
are missing.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

qtest.c

@@ -661,6 +661,15 @@ static void qtest_process_command(CharBackend *chr, gchar **words)
         qtest_send_prefix(chr);
         qtest_sendf(chr, "OK %"PRIi64"\n",
                     (int64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
+    } else if (strcmp(words[0], "module_load") == 0) {
+        g_assert(words[1] && words[2]);
+
+        qtest_send_prefix(chr);
+        if (module_load_one(words[1], words[2])) {
+            qtest_sendf(chr, "OK\n");
+        } else {
+            qtest_sendf(chr, "FAIL\n");
+        }
     } else if (qtest_enabled() && strcmp(words[0], "clock_set") == 0) {
         int64_t ns;
         int ret;

tests/Makefile.include

@@ -149,6 +149,7 @@ check-block-$(call land,$(CONFIG_POSIX),$(CONFIG_SOFTMMU)) += tests/check-block.
 
 check-qtest-generic-y += tests/qmp-test$(EXESUF)
 check-qtest-generic-y += tests/qmp-cmd-test$(EXESUF)
+check-qtest-generic-$(CONFIG_MODULES) += tests/modules-test$(EXESUF)
 
 check-qtest-generic-y += tests/device-introspect-test$(EXESUF)
 check-qtest-generic-y += tests/cdrom-test$(EXESUF)

tests/libqtest.c

@@ -811,6 +811,12 @@ bool qtest_get_irq(QTestState *s, int num)
     return s->irq_level[num];
 }
 
+void qtest_module_load(QTestState *s, const char *prefix, const char *libname)
+{
+    qtest_sendf(s, "module_load %s %s\n", prefix, libname);
+    qtest_rsp(s, 0);
+}
+
 static int64_t qtest_clock_rsp(QTestState *s)
 {
     gchar **words;

tests/libqtest.h

@@ -262,6 +262,8 @@ char *qtest_hmp(QTestState *s, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
 char *qtest_vhmp(QTestState *s, const char *fmt, va_list ap)
     GCC_FMT_ATTR(2, 0);
 
+void qtest_module_load(QTestState *s, const char *prefix, const char *libname);
+
 /**
  * qtest_get_irq:
  * @s: #QTestState instance to operate on.

tests/modules-test.c

@@ -0,0 +1,71 @@
+#include "qemu/osdep.h"
+#include "libqtest.h"
+
+static void test_modules_load(const void *data)
+{
+    QTestState *qts;
+    const char **args = data;
+
+    qts = qtest_init(NULL);
+    qtest_module_load(qts, args[0], args[1]);
+    qtest_quit(qts);
+}
+
+int main(int argc, char *argv[])
+{
+    const char *modules[] = {
+#ifdef CONFIG_CURL
+        "block-", "curl",
+#endif
+#ifdef CONFIG_GLUSTERFS
+        "block-", "gluster",
+#endif
+#ifdef CONFIG_LIBISCSI
+        "block-", "iscsi",
+#endif
+#ifdef CONFIG_LIBNFS
+        "block-", "nfs",
+#endif
+#ifdef CONFIG_LIBSSH
+        "block-", "ssh",
+#endif
+#ifdef CONFIG_RBD
+        "block-", "rbd",
+#endif
+#ifdef CONFIG_AUDIO_ALSA
+        "audio-", "alsa",
+#endif
+#ifdef CONFIG_AUDIO_OSS
+        "audio-", "oss",
+#endif
+#ifdef CONFIG_AUDIO_PA
+        "audio-", "pa",
+#endif
+#ifdef CONFIG_AUDIO_SDL
+        "audio-", "sdl",
+#endif
+#ifdef CONFIG_CURSES
+        "ui-", "curses",
+#endif
+#if defined(CONFIG_GTK) && defined(CONFIG_VTE)
+        "ui-", "gtk",
+#endif
+#ifdef CONFIG_SDL
+        "ui-", "sdl",
+#endif
+#if defined(CONFIG_SPICE) && defined(CONFIG_GIO)
+        "ui-", "spice-app",
+#endif
+    };
+    int i;
+
+    g_test_init(&argc, &argv, NULL);
+
+    for (i = 0; i < G_N_ELEMENTS(modules); i += 2) {
+        char *testname = g_strdup_printf("/module/load/%s", modules[i + 1]);
+        qtest_add_data_func(testname, modules + i, test_modules_load);
+        g_free(testname);
+    }
+
+    return g_test_run();
+}