Added abstract factory pattern

tests/t00020/.clanguml

@@ -0,0 +1,18 @@
+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t00020_class:
+    type: class
+    glob:
+      - ../../tests/t00020/t00020.cc
+    using_namespace:
+      - clanguml::t00020
+    include:
+      namespaces:
+        - clanguml::t00020
+    plantuml:
+      after:
+        - '@A(ProductA1) <.. @A(Factory1)'
+        - '@A(ProductB1) <.. @A(Factory1)'
+        - '@A(ProductA2) <.. @A(Factory2)'
+        - '@A(ProductB2) <.. @A(Factory2)'

tests/t00020/t00020.cc

@@ -0,0 +1,70 @@
+#include <memory>
+
+namespace clanguml {
+namespace t00020 {
+
+class ProductA {
+public:
+    virtual ~ProductA() = default;
+    virtual bool sell(int price) const = 0;
+};
+
+class ProductA1 : public ProductA {
+public:
+    bool sell(int price) const override { return price > 1000; }
+};
+
+class ProductA2 : public ProductA {
+public:
+    bool sell(int price) const override { return price > 2000; }
+};
+
+class ProductB {
+public:
+    virtual ~ProductB() = default;
+    virtual bool buy(int price) const = 0;
+};
+
+class ProductB1 : public ProductB {
+public:
+    bool buy(int price) const override { return price < 1000; }
+};
+
+class ProductB2 : public ProductB {
+public:
+    bool buy(int price) const override { return price < 2000; }
+};
+
+class AbstractFactory {
+public:
+    virtual std::unique_ptr<ProductA> make_a() const = 0;
+    virtual std::unique_ptr<ProductB> make_b() const = 0;
+};
+
+class Factory1 : public AbstractFactory {
+public:
+    std::unique_ptr<ProductA> make_a() const override
+    {
+        return std::make_unique<ProductA1>();
+    }
+
+    std::unique_ptr<ProductB> make_b() const override
+    {
+        return std::make_unique<ProductB1>();
+    }
+};
+
+class Factory2 : public AbstractFactory {
+public:
+    std::unique_ptr<ProductA> make_a() const override
+    {
+        return std::make_unique<ProductA2>();
+    }
+
+    std::unique_ptr<ProductB> make_b() const override
+    {
+        return std::make_unique<ProductB2>();
+    }
+};
+}
+}

tests/t00020/test_case.h

@@ -0,0 +1,56 @@
+/**
+ * tests/t00020/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("t00020", "[test-case][class]")
+{
+    auto [config, db] = load_config("t00020");
+
+    auto diagram = config.diagrams["t00020_class"];
+
+    REQUIRE(diagram->name == "t00020_class");
+
+    REQUIRE(diagram->include.namespaces.size() == 1);
+    REQUIRE_THAT(diagram->include.namespaces,
+        VectorContains(std::string{"clanguml::t00020"}));
+
+    REQUIRE(diagram->exclude.namespaces.size() == 0);
+
+    REQUIRE(diagram->should_include("clanguml::t00020::ProductA"));
+
+    auto model = generate_class_diagram(db, diagram);
+
+    REQUIRE(model.name == "t00020_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, IsAbstractClass(_A("ProductA")));
+    REQUIRE_THAT(puml, IsAbstractClass(_A("ProductB")));
+    REQUIRE_THAT(puml, IsClass(_A("ProductA1")));
+    REQUIRE_THAT(puml, IsClass(_A("ProductA2")));
+    REQUIRE_THAT(puml, IsClass(_A("ProductB1")));
+    REQUIRE_THAT(puml, IsClass(_A("ProductB2")));
+    REQUIRE_THAT(puml, IsAbstractClass(_A("AbstractFactory")));
+    REQUIRE_THAT(puml, IsClass(_A("Factory1")));
+    REQUIRE_THAT(puml, IsClass(_A("Factory2")));
+
+    save_puml(
+        "./" + config.output_directory + "/" + diagram->name + ".puml", puml);
+}