qapi: add tests for string-based visitors

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 188 insertions, 0 deletions

diff --git a/test-string-output-visitor.c b/test-string-output-visitor.c
new file mode 100644
index 000000000..22909b84e
--- /dev/null
+++ b/test-string-output-visitor.c
@@ -0,0 +1,188 @@
+/*
+ * String Output Visitor unit-tests.
+ *
+ * Copyright (C) 2012 Red Hat Inc.
+ *
+ * Authors:
+ *  Paolo Bonzini <pbonzini@redhat.com> (based on test-qmp-output-visitor)
+ *
+ * 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 <glib.h>
+
+#include "qapi/string-output-visitor.h"
+#include "test-qapi-types.h"
+#include "test-qapi-visit.h"
+#include "qemu-objects.h"
+
+typedef struct TestOutputVisitorData {
+    StringOutputVisitor *sov;
+    Visitor *ov;
+} TestOutputVisitorData;
+
+static void visitor_output_setup(TestOutputVisitorData *data,
+                                 const void *unused)
+{
+    data->sov = string_output_visitor_new();
+    g_assert(data->sov != NULL);
+
+    data->ov = string_output_get_visitor(data->sov);
+    g_assert(data->ov != NULL);
+}
+
+static void visitor_output_teardown(TestOutputVisitorData *data,
+                                    const void *unused)
+{
+    string_output_visitor_cleanup(data->sov);
+    data->sov = NULL;
+    data->ov = NULL;
+}
+
+static void test_visitor_out_int(TestOutputVisitorData *data,
+                                 const void *unused)
+{
+    int64_t value = -42;
+    Error *errp = NULL;
+    char *str;
+
+    visit_type_int(data->ov, &value, NULL, &errp);
+    g_assert(error_is_set(&errp) == 0);
+
+    str = string_output_get_string(data->sov);
+    g_assert(str != NULL);
+    g_assert_cmpstr(str, ==, "-42");
+    g_free(str);
+}
+
+static void test_visitor_out_bool(TestOutputVisitorData *data,
+                                  const void *unused)
+{
+    Error *errp = NULL;
+    bool value = true;
+    char *str;
+
+    visit_type_bool(data->ov, &value, NULL, &errp);
+    g_assert(error_is_set(&errp) == 0);
+
+    str = string_output_get_string(data->sov);
+    g_assert(str != NULL);
+    g_assert_cmpstr(str, ==, "true");
+    g_free(str);
+}
+
+static void test_visitor_out_number(TestOutputVisitorData *data,
+                                    const void *unused)
+{
+    double value = 3.14;
+    Error *errp = NULL;
+    char *str;
+
+    visit_type_number(data->ov, &value, NULL, &errp);
+    g_assert(error_is_set(&errp) == 0);
+
+    str = string_output_get_string(data->sov);
+    g_assert(str != NULL);
+    g_assert_cmpstr(str, ==, "3.14");
+    g_free(str);
+}
+
+static void test_visitor_out_string(TestOutputVisitorData *data,
+                                    const void *unused)
+{
+    char *string = (char *) "Q E M U";
+    Error *errp = NULL;
+    char *str;
+
+    visit_type_str(data->ov, &string, NULL, &errp);
+    g_assert(error_is_set(&errp) == 0);
+
+    str = string_output_get_string(data->sov);
+    g_assert(str != NULL);
+    g_assert_cmpstr(str, ==, string);
+    g_free(str);
+}
+
+static void test_visitor_out_no_string(TestOutputVisitorData *data,
+                                       const void *unused)
+{
+    char *string = NULL;
+    Error *errp = NULL;
+    char *str;
+
+    /* A null string should return "" */
+    visit_type_str(data->ov, &string, NULL, &errp);
+    g_assert(error_is_set(&errp) == 0);
+
+    str = string_output_get_string(data->sov);
+    g_assert(str != NULL);
+    g_assert_cmpstr(str, ==, "");
+    g_free(str);
+}
+
+static void test_visitor_out_enum(TestOutputVisitorData *data,
+                                  const void *unused)
+{
+    Error *errp = NULL;
+    char *str;
+    EnumOne i;
+
+    for (i = 0; i < ENUM_ONE_MAX; i++) {
+        visit_type_EnumOne(data->ov, &i, "unused", &errp);
+        g_assert(!error_is_set(&errp));
+
+        str = string_output_get_string(data->sov);
+        g_assert(str != NULL);
+        g_assert_cmpstr(str, ==, EnumOne_lookup[i]);
+	g_free(str);
+    }
+}
+
+static void test_visitor_out_enum_errors(TestOutputVisitorData *data,
+                                         const void *unused)
+{
+    EnumOne i, bad_values[] = { ENUM_ONE_MAX, -1 };
+    Error *errp;
+
+    for (i = 0; i < ARRAY_SIZE(bad_values) ; i++) {
+        errp = NULL;
+        visit_type_EnumOne(data->ov, &bad_values[i], "unused", &errp);
+        g_assert(error_is_set(&errp) == true);
+        error_free(errp);
+    }
+}
+
+static void output_visitor_test_add(const char *testpath,
+                                    TestOutputVisitorData *data,
+                                    void (*test_func)(TestOutputVisitorData *data, const void *user_data))
+{
+    g_test_add(testpath, TestOutputVisitorData, data, visitor_output_setup,
+               test_func, visitor_output_teardown);
+}
+
+int main(int argc, char **argv)
+{
+    TestOutputVisitorData out_visitor_data;
+
+    g_test_init(&argc, &argv, NULL);
+
+    output_visitor_test_add("/string-visitor/output/int",
+                            &out_visitor_data, test_visitor_out_int);
+    output_visitor_test_add("/string-visitor/output/bool",
+                            &out_visitor_data, test_visitor_out_bool);
+    output_visitor_test_add("/string-visitor/output/number",
+                            &out_visitor_data, test_visitor_out_number);
+    output_visitor_test_add("/string-visitor/output/string",
+                            &out_visitor_data, test_visitor_out_string);
+    output_visitor_test_add("/string-visitor/output/no-string",
+                            &out_visitor_data, test_visitor_out_no_string);
+    output_visitor_test_add("/string-visitor/output/enum",
+                            &out_visitor_data, test_visitor_out_enum);
+    output_visitor_test_add("/string-visitor/output/enum-errors",
+                            &out_visitor_data, test_visitor_out_enum_errors);
+
+    g_test_run();
+
+    return 0;
+}