Added relationship decorators

tests/t00030/.clang-uml

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+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t00030_class:
+    type: class
+    glob:
+      - ../../tests/t00030/t00030.cc
+    using_namespace:
+      - clanguml::t00030
+    include:
+      namespaces:
+        - clanguml::t00030

tests/t00030/t00030.cc

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+#include <memory>
+#include <vector>
+
+namespace clanguml {
+namespace t00030 {
+
+class A {
+};
+
+class B {
+};
+
+class C {
+};
+
+class D {
+};
+
+struct R {
+    /// @uml{association[]}
+    A aaa;
+
+    /// @uml{composition[0..1:1..*]}
+    std::vector<B> bbb;
+
+    /// @uml{aggregation[0..1:1..5]}
+    std::vector<C> ccc;
+
+    /// @uml{association[:1]}
+    D ddd;
+};
+
+} // namespace t00030
+} // namespace clanguml

tests/t00030/test_case.h

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+/**
+ * tests/t00030/test_case.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.
+ */
+
+TEST_CASE("t00030", "[test-case][class]")
+{
+    auto [config, db] = load_config("t00030");
+
+    auto diagram = config.diagrams["t00030_class"];
+
+    REQUIRE(diagram->name == "t00030_class");
+
+    REQUIRE(diagram->include.namespaces.size() == 1);
+    REQUIRE_THAT(diagram->include.namespaces,
+        VectorContains(std::string{"clanguml::t00030"}));
+
+    REQUIRE(diagram->exclude.namespaces.size() == 0);
+
+    REQUIRE(diagram->should_include("clanguml::t00030::A"));
+
+    auto model = generate_class_diagram(db, diagram);
+
+    REQUIRE(model.name == "t00030_class");
+
+    auto puml = generate_class_puml(diagram, model);
+    AliasMatcher _A(puml);
+
+    REQUIRE_THAT(puml, StartsWith("@startuml"));
+    REQUIRE_THAT(puml, EndsWith("@enduml\n"));
+
+    REQUIRE_THAT(puml, IsClass(_A("A")));
+    REQUIRE_THAT(puml, IsClass(_A("B")));
+    REQUIRE_THAT(puml, IsClass(_A("C")));
+    REQUIRE_THAT(puml, IsClass(_A("D")));
+
+    REQUIRE_THAT(puml, IsAssociation(_A("R"), _A("A"), "+aaa"));
+    REQUIRE_THAT(puml, IsComposition(_A("R"), _A("B"), "+bbb", "0..1", "1..*"));
+    REQUIRE_THAT(puml, IsAggregation(_A("R"), _A("C"), "+ccc", "0..1", "1..5"));
+    REQUIRE_THAT(puml, IsAssociation(_A("R"), _A("D"), "+ddd", "", "1"));
+
+    save_puml(
+        "./" + config.output_directory + "/" + diagram->name + ".puml", puml);
+}