Added class diagram test case with C++20 module partitions

tests/t00072/.clang-uml

@@ -0,0 +1,12 @@
+diagrams:
+  t00072_class:
+    type: class
+    glob:
+      - t00072.cc
+    generate_packages: true
+    package_type: module
+    include:
+      modules:
+        - t00072
+    using_module: t00072
+    using_namespace: clanguml::t00072

tests/t00072/src/lib1.cppm

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+export module t00072.app:lib1;
+
+export namespace clanguml::t00072 {
+class B { };
+
+template <typename T> class BB {
+    T t;
+};
+
+namespace detail {
+enum class BBB { bbb1, bbb2 };
+} // namespace detail
+}

tests/t00072/src/lib1mod1.cppm

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+export module t00072.app:lib1.mod1;
+
+export namespace clanguml::t00072 {
+class D { };
+}

tests/t00072/src/lib1mod2.cppm

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+export module t00072.app:lib1.mod2;
+
+export namespace clanguml::t00072 {
+class E { };
+}

tests/t00072/src/lib2.cppm

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+export module t00072.app:lib2;
+
+export namespace clanguml::t00072 {
+class C { };
+
+template <typename T> class CC {
+    T t;
+};
+
+namespace detail {
+enum class CCC { ccc1, ccc2 };
+}
+}

tests/t00072/src/t00072_mod.cppm

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+export module t00072.app;
+export import :lib1;
+export import :lib1.mod1;
+export import :lib1.mod2;
+export import :lib2;
+
+export namespace clanguml::t00072 {
+class A {
+    int get() { return a; }
+
+    int a;
+};
+}

tests/t00072/t00072.cc

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+import t00072.app;
+
+namespace clanguml {
+namespace t00072 {
+}
+}

tests/t00072/test_case.h

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+/**
+ * tests/t00072/test_case.h
+ *
+ * Copyright (c) 2021-2023 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("t00072", "[test-case][class]")
+{
+    auto [config, db] = load_config("t00072");
+
+    auto diagram = config.diagrams["t00072_class"];
+
+    REQUIRE(diagram->name == "t00072_class");
+
+    auto model = generate_class_diagram(*db, diagram);
+
+    REQUIRE(model->name() == "t00072_class");
+
+    {
+        auto src = generate_class_puml(diagram, *model);
+        AliasMatcher _A(src);
+
+        REQUIRE_THAT(src, StartsWith("@startuml"));
+        REQUIRE_THAT(src, EndsWith("@enduml\n"));
+
+        // Check if all classes exist
+        REQUIRE_THAT(src, IsPackage("app"));
+        REQUIRE_THAT(src, IsPackage(":lib1"));
+        REQUIRE_THAT(src, IsPackage(":lib2"));
+        REQUIRE_THAT(src, IsPackage("mod1"));
+        REQUIRE_THAT(src, IsPackage("mod2"));
+
+        REQUIRE_THAT(src, IsClass(_A("A")));
+        REQUIRE_THAT(src, IsClass(_A("C")));
+        REQUIRE_THAT(src, IsClassTemplate("CC", "T"));
+        REQUIRE_THAT(src, IsEnum(_A("detail::CCC")));
+
+        REQUIRE_THAT(src, IsClass(_A("B")));
+        REQUIRE_THAT(src, IsClassTemplate("BB", "T"));
+        REQUIRE_THAT(src, IsEnum(_A("detail::BBB")));
+
+        REQUIRE_THAT(src, IsClass(_A("D")));
+        REQUIRE_THAT(src, IsClass(_A("E")));
+
+        save_puml(config.output_directory(), diagram->name + ".puml", src);
+    }
+
+    {
+        auto j = generate_class_json(diagram, *model);
+
+        using namespace json;
+
+        REQUIRE(IsClass(j, "clanguml::t00072::A"));
+        REQUIRE(IsClass(j, "clanguml::t00072::B"));
+        REQUIRE(IsClass(j, "clanguml::t00072::C"));
+        REQUIRE(IsClass(j, "clanguml::t00072::D"));
+        REQUIRE(IsEnum(j, "clanguml::t00072::detail::CCC"));
+        REQUIRE(IsEnum(j, "clanguml::t00072::detail::BBB"));
+
+        REQUIRE(IsPackage(j, "app", "module"));
+        REQUIRE(IsPackage(j, "app:lib1", "module"));
+        REQUIRE(IsPackage(j, "app:lib2", "module"));
+        REQUIRE(IsPackage(j, "app:lib1.mod1", "module"));
+        REQUIRE(IsPackage(j, "app:lib1.mod2", "module"));
+
+        save_json(config.output_directory(), diagram->name + ".json", j);
+    }
+
+    {
+        auto src = generate_class_mermaid(diagram, *model);
+
+        mermaid::AliasMatcher _A(src);
+        using mermaid::IsClass;
+        using mermaid::IsEnum;
+
+        REQUIRE_THAT(src, IsClass(_A("A")));
+        REQUIRE_THAT(src, IsClass(_A("C")));
+        REQUIRE_THAT(src, IsClass(_A("CC<T>")));
+        REQUIRE_THAT(src, IsEnum(_A("detail::CCC")));
+
+        REQUIRE_THAT(src, IsClass(_A("B")));
+        REQUIRE_THAT(src, IsClass(_A("BB<T>")));
+        REQUIRE_THAT(src, IsEnum(_A("detail::BBB")));
+
+        REQUIRE_THAT(src, IsClass(_A("D")));
+        REQUIRE_THAT(src, IsClass(_A("E")));
+
+        save_mermaid(config.output_directory(), diagram->name + ".mmd", src);
+    }
+}