parser json BUGFIX printing opaque nodes as containers (#2230)
In case there are empty containers in JSON output,
they were not stored as such and term nodes were
incorrectly printed.
diff --git a/tests/utests/data/test_printer_json.c b/tests/utests/data/test_printer_json.c
new file mode 100644
index 0000000..85ace73
--- /dev/null
+++ b/tests/utests/data/test_printer_json.c
@@ -0,0 +1,52 @@
+/*
+ * @file test_printer_json.c
+ * @author: Radek Krejci <rkrejci@cesnet.cz>
+ * @brief unit tests for functions from printer_yang.c
+ *
+ * Copyright (c) 2019-2020 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ */
+#define _UTEST_MAIN_
+#include "utests.h"
+
+static int
+setup(void **state)
+{
+ const char *schema1 = "module schema1 {namespace urn:tests:schema1;prefix schema1;yang-version 1.1;"
+ "revision 2014-05-08;"
+ "anydata data;"
+ "}";
+
+ UTEST_SETUP;
+ UTEST_ADD_MODULE(schema1, LYS_IN_YANG, NULL, NULL);
+ return 0;
+}
+
+static void
+test_container_presence(void **state)
+{
+ struct lyd_node *tree;
+ char *buffer = NULL;
+ const char *data = "{\"schema1:data\":{\"cont1\":{}}}";
+
+ CHECK_PARSE_LYD_PARAM(data, LYD_JSON, 0, LYD_VALIDATE_PRESENT, LY_SUCCESS, tree);
+ assert_int_equal(LY_SUCCESS, lyd_print_mem(&buffer, tree, LYD_JSON, LYD_PRINT_SHRINK));
+ CHECK_STRING(buffer, data);
+ free(buffer);
+ lyd_free_all(tree);
+}
+
+int
+main(void)
+{
+ const struct CMUnitTest tests[] = {
+ UTEST(test_container_presence, setup),
+ };
+
+ return cmocka_run_group_tests(tests, NULL, NULL);
+}