tests/pkg_yxml: add basic Yxml package test

tests/pkg_yxml/Makefile

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+include ../Makefile.tests_common
+
+USEPKG += yxml
+USEMODULE += embunit
+
+include $(RIOTBASE)/Makefile.include

tests/pkg_yxml/Makefile.ci

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+BOARD_INSUFFICIENT_MEMORY := \
+        nucleo-f042k6 \
+        nucleo-f031k6 \
+        stm32f030f4-demo \
+    #

tests/pkg_yxml/main.c

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+/*
+ * Copyright (C) 2020 Kaspar Schleiser <kaspar@schleiser.de>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup     tests
+ * @{
+ * @file
+ * @brief       Tests for the yxml XML parser library package
+ * @author      Kaspar Schleiser <kaspar@schleiser.de>
+ * @}
+ */
+#include <string.h>
+#include <stdio.h>
+
+#include "embUnit.h"
+#include "yxml.h"
+
+#define ENABLE_DEBUG (0)
+#include "debug.h"
+
+static char _yxml_buf[1024];
+
+static const char *_doc = "<foo>bar</foo>";
+
+static void test_yxml(void)
+{
+    yxml_t yxml;
+    char content[64];
+
+    /* initialize yxml instance */
+    yxml_init(&yxml, _yxml_buf, sizeof(_yxml_buf));
+
+    /* parse XML document bytewise */
+    for (const char *doc = _doc; *doc; doc++) {
+        yxml_ret_t r = yxml_parse(&yxml, *doc);
+        TEST_ASSERT(r >= 0);
+
+        /* handle tokens */
+        switch (r) {
+            case YXML_OK:
+                break;
+            case YXML_ELEMSTART:
+                DEBUG("YXML_ELEMSTART \"%s\"\n", yxml.elem);
+                TEST_ASSERT_EQUAL_STRING("foo", yxml.elem);
+                memset(content, 0, sizeof(content));
+                break;
+            case YXML_CONTENT:
+                DEBUG_PUTS("YXML_CONTENT");
+                strcat(content, yxml.data);
+                break;
+            case YXML_ELEMEND:
+                DEBUG("YXML_ELEMEND content=\"%s\"\n", content);
+                TEST_ASSERT_EQUAL_STRING("bar", content);
+                break;
+            default:
+                DEBUG("unhandled token %i\n", r);
+        }
+    }
+
+    /* let yxml know the document has ended */
+    TEST_ASSERT_EQUAL_INT(0, yxml_eof(&yxml));
+}
+
+TestRef tests_yxml(void)
+{
+    EMB_UNIT_TESTFIXTURES(fixtures) {
+        new_TestFixture(test_yxml),
+    };
+
+    EMB_UNIT_TESTCALLER(YxmlTest, 0, 0, fixtures);
+    return (TestRef) & YxmlTest;
+}
+
+int main(void)
+{
+    TESTS_START();
+    TESTS_RUN(tests_yxml());
+    TESTS_END();
+
+    return 0;
+}

tests/pkg_yxml/tests/01-run.py

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+#!/usr/bin/env python3
+
+# Copyright (C) 2017 Freie Universität Berlin
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+
+import sys
+from testrunner import run
+
+
+def testfunc(child):
+    child.expect(r'OK \(\d+ tests\)')
+
+
+if __name__ == "__main__":
+    sys.exit(run(testfunc))