Added test_util unit tests

tests/CMakeLists.txt

@@ -7,6 +7,14 @@ set(CMAKE_CXX_STANDARD 17)
 file(GLOB_RECURSE TEST_CASE_SOURCES t*/*.cc)
 file(GLOB_RECURSE TEST_CASE_CONFIGS t*/.clanguml)
 
+set(CLANG_UML_TEST_UTIL_SRC
+    test_util.cc
+    ${TEST_UTIL_SOURCES}
+)
+set(CLANG_UML_TEST_UTIL_HEADER
+    catch.h
+)
+
 set(CLANG_UML_TEST_CASES_SRC
     test_cases.cc
     ${TEST_CASE_SOURCES}
@@ -15,6 +23,17 @@ set(CLANG_UML_TEST_CASES_HEADER
     catch.h
 )
 
+add_executable(test_util
+    ${CLANG_UML_TEST_UTIL_SRC}
+    ${CLANG_UML_TEST_UTIL_HEADER})
+
+target_link_libraries(test_util
+    PRIVATE
+    ${LIBCLANG_LIBRARIES}
+    ${YAML_CPP_LIBRARIES}
+    spdlog::spdlog clang-umllib)
+
+
 add_executable(test_cases
     ${CLANG_UML_TEST_CASES_SRC}
     ${CLANG_UML_TEST_CASES_HEADER})
@@ -37,4 +56,5 @@ foreach(TEST_CASE_CONFIG ${TEST_CASE_CONFIGS})
         COPYONLY)
 endforeach()
 
+add_test(NAME test_util COMMAND test_util)
 add_test(NAME test_cases COMMAND test_cases)

tests/test_util.cc

@@ -0,0 +1,42 @@
+/**
+ * tests/test_util.cc
+ *
+ * Copyright (c) 2021 Bartek Kryza <bkryza@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define CATCH_CONFIG_MAIN
+
+#include "util/util.h"
+
+#include "catch.h"
+
+TEST_CASE("Test split", "[unit-test]")
+{
+    using C = std::vector<std::string>;
+    using namespace clanguml::util;
+
+    const C empty{};
+
+    CHECK(split("", " ") == C{""});
+    CHECK(split("ABCD", " ") == C{"ABCD"});
+
+    CHECK(split("std::vector::detail", "::") == C{"std", "vector", "detail"});
+}
+
+TEST_CASE("Test ns_relative", "[unit-test]")
+{
+    using namespace clanguml::util;
+
+    CHECK(ns_relative({}, "std::vector") == "std::vector");
+}