From 7e3c557bd8212f9b2451bf8bbfb9c6b4f094f293 Mon Sep 17 00:00:00 2001
From: Tim te Beek <tim@moderne.io>
Date: Wed, 13 Mar 2024 00:51:01 +0100
Subject: [PATCH] Add Data Faker migration recipe coming from Java Faker

Fixes https://github.com/openrewrite/rewrite-testing-frameworks/issues/490
---
 build.gradle.kts                              |  6 ++
 .../resources/META-INF/rewrite/datafaker.yml  |  2 +-
 .../datafaker/JavaFakerToDataFakerTest.java   | 67 +++++++++++++++++++
 3 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100644 src/test/java/org/openrewrite/java/testing/datafaker/JavaFakerToDataFakerTest.java

diff --git a/build.gradle.kts b/build.gradle.kts
index d7b422639..6e03b6a63 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -48,6 +48,12 @@ dependencies {
     testRuntimeOnly("org.gradle:gradle-tooling-api:latest.release")
 
     testRuntimeOnly("com.tngtech.archunit:archunit:0.23.1")
+    testRuntimeOnly("com.github.javafaker:javafaker:latest.release") {
+        exclude(group = "org.yaml", module = "snakeyaml")
+    }
+    testRuntimeOnly("net.datafaker:datafaker:latest.release") {
+        exclude(group = "org.yaml", module = "snakeyaml")
+    }
     testRuntimeOnly("org.testcontainers:testcontainers:latest.release")
     testRuntimeOnly("org.testcontainers:nginx:latest.release")
 
diff --git a/src/main/resources/META-INF/rewrite/datafaker.yml b/src/main/resources/META-INF/rewrite/datafaker.yml
index ef0bc3067..da059092e 100644
--- a/src/main/resources/META-INF/rewrite/datafaker.yml
+++ b/src/main/resources/META-INF/rewrite/datafaker.yml
@@ -27,7 +27,7 @@ recipeList:
       newFullyQualifiedTypeName: net.datafaker.providers.base.Relationship
   - org.openrewrite.java.ChangeMethodName:
       methodPattern: com.github.javafaker.Faker crypto()
-      name: hashing
+      newMethodName: hashing
   - org.openrewrite.java.ChangePackage:
       oldPackageName: com.github.javafaker
       newPackageName: net.datafaker
diff --git a/src/test/java/org/openrewrite/java/testing/datafaker/JavaFakerToDataFakerTest.java b/src/test/java/org/openrewrite/java/testing/datafaker/JavaFakerToDataFakerTest.java
new file mode 100644
index 000000000..0701a3084
--- /dev/null
+++ b/src/test/java/org/openrewrite/java/testing/datafaker/JavaFakerToDataFakerTest.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2024 the original author or authors.
+ * <p>
+ * 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
+ * <p>
+ * https://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.
+ */
+package org.openrewrite.java.testing.datafaker;
+
+import org.junit.jupiter.api.Test;
+import org.openrewrite.java.JavaParser;
+import org.openrewrite.test.RecipeSpec;
+import org.openrewrite.test.RewriteTest;
+
+import static org.openrewrite.java.Assertions.java;
+
+class JavaFakerToDataFakerTest implements RewriteTest {
+
+    @Override
+    public void defaults(RecipeSpec spec) {
+        spec.recipeFromResource("/META-INF/rewrite/datafaker.yml", "org.openrewrite.java.testing.datafaker.JavaFakerToDataFaker")
+          .parser(JavaParser.fromJavaVersion().classpath("javafaker", "datafaker"));
+    }
+
+    @Test
+    void javaFakerToDataFaker() {
+        rewriteRun(
+          //language=java
+          java(
+            """
+              import com.github.javafaker.Faker;
+              class A {
+                  void method() {
+                      Faker faker = new Faker();
+                      String name = faker.name().fullName();
+                      String address = faker.address().fullAddress();
+                      
+                      String md5 = faker.crypto().md5();
+                      String relationship = faker.relationships().sibling();
+                  }
+              }
+              """,
+            """
+              import net.datafaker.Faker;
+              class A {
+                  void method() {
+                      Faker faker = new Faker();
+                      String name = faker.name().fullName();
+                      String address = faker.address().fullAddress();
+                      
+                      String md5 = faker.hashing().md5();
+                      String relationship = faker.relationships().sibling();
+                  }
+              }
+              """
+          )
+        );
+    }
+}