Initial refactoring of sequence diagram visitor to include participants

tests/t20004/.clang-uml

@@ -0,0 +1,14 @@
+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t20004_sequence:
+    type: sequence
+    glob:
+      - ../../tests/t20004/t20004.cc
+    include:
+      namespaces:
+        - clanguml::t20004
+    using_namespace:
+      - clanguml::t20004
+    start_from:
+      - function: "clanguml::t20004::main()"

tests/t20004/t20004.cc

@@ -0,0 +1,18 @@
+namespace clanguml {
+namespace t20004 {
+
+template <typename T> T m4(T p);
+
+template <typename T> T m3(T p) { return m4<T>(p); }
+
+template <typename T> T m2(T p) { return m3<T>(p); }
+
+template <typename T> T m1(T p) { return m2<T>(p); }
+
+template<> [[maybe_unused]] int m4<int>(int p) { return p+2; }
+
+int main() {
+    return m1<int>(0);
+}
+}
+}

tests/t20004/test_case.h

@@ -0,0 +1,47 @@
+/**
+ * tests/t20004/test_case.h
+ *
+ * Copyright (c) 2021-2022 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.
+ */
+
+TEST_CASE("t20004", "[test-case][sequence]")
+{
+    auto [config, db] = load_config("t20004");
+
+    auto diagram = config.diagrams["t20004_sequence"];
+
+    REQUIRE(diagram->name == "t20004_sequence");
+
+    auto model = generate_sequence_diagram(*db, diagram);
+
+    REQUIRE(model->name() == "t20004_sequence");
+
+    auto puml = generate_sequence_puml(diagram, *model);
+    AliasMatcher _A(puml);
+
+    REQUIRE_THAT(puml, StartsWith("@startuml"));
+    REQUIRE_THAT(puml, HasFunctionCall("main()", "m1<int>()"));
+    REQUIRE_THAT(puml, HasFunctionCall("m2<T>", "m3<T>"));
+    REQUIRE_THAT(puml, HasFunctionCall("m3<T>", "m4<T>"));
+    REQUIRE_THAT(puml, EndsWith("@enduml\n"));
+
+    
+    // Check if all calls exist
+    REQUIRE_THAT(puml, HasCall("A", "log_result"));
+    //REQUIRE_THAT(puml, HasCallWithResponse("B", "A", "add3"));
+
+    save_puml(
+        "./" + config.output_directory() + "/" + diagram->name + ".puml", puml);
+}

tests/test_cases.cc

@@ -250,6 +250,7 @@ using namespace clanguml::test::matchers;
 #include "t20001/test_case.h"
 #include "t20002/test_case.h"
 #include "t20003/test_case.h"
+#include "t20004/test_case.h"
 
 ///
 /// Package diagram tests