Added strategy pattern test case

docs/test_cases.md

@@ -21,6 +21,7 @@
  * [t00020](./test_cases/t00020.md) - Abstract factory pattern
  * [t00021](./test_cases/t00021.md) - Visitor pattern
  * [t00022](./test_cases/t00022.md) - Template method pattern
+ * [t00023](./test_cases/t00023.md) - Strategy pattern
 ## Sequence diagrams
  * [t20001](./test_cases/t20001.md) - Basic sequence diagram
 ## Configuration diagrams

docs/test_cases/t00022.md

@@ -38,16 +38,15 @@ protected:
 
 class A1 : public A {
 protected:
-    void method1() override { }
-    void method2() override { }
+    void method1() override {}
+    void method2() override {}
 };
 
 class A2 : public A {
 protected:
-    void method1() override { }
-    void method2() override { }
+    void method1() override {}
+    void method2() override {}
 };
-
 }
 }
 

docs/test_cases/t00023.md

@@ -0,0 +1,65 @@
+# t00023 - Strategy pattern
+## Config
+```yaml
+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t00023_class:
+    type: class
+    glob:
+      - ../../tests/t00023/t00023.cc
+    using_namespace:
+      - clanguml::t00023
+    include:
+      namespaces:
+        - clanguml::t00023
+
+```
+## Source code
+File t00023.cc
+```cpp
+#include <memory>
+
+namespace clanguml {
+namespace t00023 {
+
+class Strategy {
+public:
+    virtual ~Strategy() = default;
+    virtual void algorithm() = 0;
+};
+
+class StrategyA : public Strategy {
+public:
+    void algorithm() override { }
+};
+
+class StrategyB : public Strategy {
+public:
+    void algorithm() override { }
+};
+
+class StrategyC : public Strategy {
+public:
+    void algorithm() override { }
+};
+
+class Context {
+public:
+    Context(std::unique_ptr<Strategy> strategy)
+        : m_strategy(std::move(strategy))
+    {
+    }
+
+    void apply() { m_strategy->algorithm(); }
+
+private:
+    std::unique_ptr<Strategy> m_strategy;
+};
+
+}
+}
+
+```
+## Generated UML diagrams
+![t00023_class](./t00023_class.png "Strategy pattern")

tests/t00023/.clanguml

@@ -0,0 +1,12 @@
+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t00023_class:
+    type: class
+    glob:
+      - ../../tests/t00023/t00023.cc
+    using_namespace:
+      - clanguml::t00023
+    include:
+      namespaces:
+        - clanguml::t00023

tests/t00023/t00023.cc

@@ -0,0 +1,40 @@
+#include <memory>
+
+namespace clanguml {
+namespace t00023 {
+
+class Strategy {
+public:
+    virtual ~Strategy() = default;
+    virtual void algorithm() = 0;
+};
+
+class StrategyA : public Strategy {
+public:
+    void algorithm() override {}
+};
+
+class StrategyB : public Strategy {
+public:
+    void algorithm() override {}
+};
+
+class StrategyC : public Strategy {
+public:
+    void algorithm() override {}
+};
+
+class Context {
+public:
+    Context(std::unique_ptr<Strategy> strategy)
+        : m_strategy(std::move(strategy))
+    {
+    }
+
+    void apply() { m_strategy->algorithm(); }
+
+private:
+    std::unique_ptr<Strategy> m_strategy;
+};
+}
+}

tests/t00023/test_case.h

@@ -0,0 +1,50 @@
+/**
+ * tests/t00023/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("t00023", "[test-case][class]")
+{
+    auto [config, db] = load_config("t00023");
+
+    auto diagram = config.diagrams["t00023_class"];
+
+    REQUIRE(diagram->name == "t00023_class");
+
+    REQUIRE(diagram->include.namespaces.size() == 1);
+    REQUIRE_THAT(diagram->include.namespaces,
+        VectorContains(std::string{"clanguml::t00023"}));
+
+    REQUIRE(diagram->exclude.namespaces.size() == 0);
+
+    REQUIRE(diagram->should_include("clanguml::t00023::Visitor"));
+
+    auto model = generate_class_diagram(db, diagram);
+
+    REQUIRE(model.name == "t00023_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("Strategy")));
+    REQUIRE_THAT(puml, IsClass(_A("StrategyA")));
+    REQUIRE_THAT(puml, IsClass(_A("StrategyB")));
+
+    save_puml(
+        "./" + config.output_directory + "/" + diagram->name + ".puml", puml);
+}

tests/test_cases.cc

@@ -126,6 +126,7 @@ using namespace clanguml::test::matchers;
 #include "t00020/test_case.h"
 #include "t00021/test_case.h"
 #include "t00022/test_case.h"
+#include "t00023/test_case.h"
 
 //
 // Sequence diagram tests

tests/test_cases.yaml

@@ -63,6 +63,9 @@ test_cases:
     - name: t00022
       title: Template method pattern
       description:
+    - name: t00023
+      title: Strategy pattern
+      description:
   Sequence diagrams:
     - name: t20001
       title: Basic sequence diagram