From 1b662785f30a362fc5388cbc335863008d6ec3e0 Mon Sep 17 00:00:00 2001
From: JonasG <jonas.grgt@gmail.com>
Date: Wed, 20 Mar 2024 21:06:13 +0100
Subject: [PATCH] feat: add generics support

---
 README.md                                     | 17 +++++++---
 .../java/io/jonasg/bob/BobFeaturesTests.java  | 21 ++++++++++--
 .../Expected_GenericsAreBuildable.java        | 33 +++++++++++++++++++
 .../GenericsAreBuildable.java                 | 16 +++++++++
 4 files changed, 80 insertions(+), 7 deletions(-)
 create mode 100644 src/test/resources/tests/successful-compilation/GenericsAreBuildable/Expected_GenericsAreBuildable.java
 create mode 100644 src/test/resources/tests/successful-compilation/GenericsAreBuildable/GenericsAreBuildable.java

diff --git a/README.md b/README.md
index bba6a1a..9ea5b94 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
-# 👷‍ Bob
-Lightweight Builder generator for Java
+# 👷‍Bob
+🪶Lightweight Builder generator for Java
 
 ## Why Bob?
 
@@ -37,8 +37,6 @@ public class Car {
         this.color = color;
         this.price = price;
     }
-    
-    // getters toString and hashcode left out for brevity
 }
 ```
 
@@ -123,7 +121,16 @@ public class Cup<T, R extends String> {
 Can be used as:
     
 ```java
-Cup<BigDecimal, String> string = new CupBuilder<BigDecimal, String>().topping("String")
+Cup<BigDecimal, String> string = new CupBuilder<BigDecimal, String>().topping("cream")
         .contents(BigDecimal.ZERO)
         .build();
 ```
+
+or alternatively:
+
+```java
+GenericsAreBuildableBuilder.of(BigDecimal.class, String.class)
+.topping("cream")
+.contents(BigDecimal.ZERO)
+.build();
+```
diff --git a/src/test/java/io/jonasg/bob/BobFeaturesTests.java b/src/test/java/io/jonasg/bob/BobFeaturesTests.java
index 3942234..760b943 100644
--- a/src/test/java/io/jonasg/bob/BobFeaturesTests.java
+++ b/src/test/java/io/jonasg/bob/BobFeaturesTests.java
@@ -130,7 +130,7 @@ void useConstructorAnnotatedWithBuildableConstructor() {
 
 	@Test
 	void useConstructorWithTheGreatestNumberOfParameters() {
-				Cute.blackBoxTest()
+		Cute.blackBoxTest()
 				.given()
 				.processors(List.of(BuildableProcessor.class))
 				.andSourceFiles("/tests/successful-compilation/UseConstructorWithTheGreatestNumberOfParameters/UseConstructorWithTheGreatestNumberOfParameters.java")
@@ -141,7 +141,24 @@ void useConstructorWithTheGreatestNumberOfParameters() {
 				.generatedSourceFile("io.jonasg.bob.test.builder.UseConstructorWithTheGreatestNumberOfParametersBuilder")
 				.matches(
 						CuteApi.ExpectedFileObjectMatcherKind.BINARY,
-						JavaFileObjectUtils.readFromResource("/tests/successful-compilation/useConstructorWithTheGreatestNumberOfParameters/Expected_UseConstructorWithTheGreatestNumberOfParameters.java"))
+						JavaFileObjectUtils.readFromResource("/tests/successful-compilation/UseConstructorWithTheGreatestNumberOfParameters/Expected_UseConstructorWithTheGreatestNumberOfParameters.java"))
+				.executeTest();
+	}
+
+	@Test
+	void genericsAreBuildable() {
+		Cute.blackBoxTest()
+				.given()
+				.processors(List.of(BuildableProcessor.class))
+				.andSourceFiles("/tests/successful-compilation/GenericsAreBuildable/GenericsAreBuildable.java")
+				.whenCompiled()
+				.thenExpectThat()
+				.compilationSucceeds()
+				.andThat()
+				.generatedSourceFile("io.jonasg.bob.test.builder.GenericsAreBuildableBuilder")
+				.matches(
+						CuteApi.ExpectedFileObjectMatcherKind.BINARY,
+						JavaFileObjectUtils.readFromResource("/tests/successful-compilation/GenericsAreBuildable/Expected_GenericsAreBuildable.java"))
 				.executeTest();
 	}
 
diff --git a/src/test/resources/tests/successful-compilation/GenericsAreBuildable/Expected_GenericsAreBuildable.java b/src/test/resources/tests/successful-compilation/GenericsAreBuildable/Expected_GenericsAreBuildable.java
new file mode 100644
index 0000000..475b0f8
--- /dev/null
+++ b/src/test/resources/tests/successful-compilation/GenericsAreBuildable/Expected_GenericsAreBuildable.java
@@ -0,0 +1,33 @@
+package io.jonasg.bob.test.builder;
+
+import io.jonasg.bob.test.GenericsAreBuildable;
+import java.lang.Class;
+import java.lang.String;
+
+public final class GenericsAreBuildableBuilder<T, R extends String> {
+  private T contents;
+
+  private R topping;
+
+  public GenericsAreBuildableBuilder() {
+  }
+
+  public GenericsAreBuildableBuilder<T, R> contents(T contents) {
+    this.contents = contents;
+    return this;
+  }
+
+  public GenericsAreBuildableBuilder<T, R> topping(R topping) {
+    this.topping = topping;
+    return this;
+  }
+
+  public GenericsAreBuildable<T, R> build() {
+    return new GenericsAreBuildable<T, R>(contents, topping);
+  }
+
+  public static <T, R extends String> GenericsAreBuildableBuilder<T, R> of(Class<T> Ttype,
+      Class<R> Rtype) {
+    return new GenericsAreBuildableBuilder<>();
+  }
+}
diff --git a/src/test/resources/tests/successful-compilation/GenericsAreBuildable/GenericsAreBuildable.java b/src/test/resources/tests/successful-compilation/GenericsAreBuildable/GenericsAreBuildable.java
new file mode 100644
index 0000000..0d357fe
--- /dev/null
+++ b/src/test/resources/tests/successful-compilation/GenericsAreBuildable/GenericsAreBuildable.java
@@ -0,0 +1,16 @@
+package io.jonasg.bob.test;
+
+import java.lang.String;
+import io.jonasg.bob.Buildable;
+
+@Buildable
+public class GenericsAreBuildable<T, R extends String> {
+
+	private T contents;
+	private R topping;
+
+	public GenericsAreBuildable(T contents, R topping) {
+		this.contents = contents;
+		this.topping = topping;
+	}
+}