Added recipe for changing Groovy params

rewrite-groovy/src/main/java/org/openrewrite/groovy/ChangeStringValueOfNamedParameterInMethodInvocation.java

@@ -0,0 +1,108 @@
+/*
+ * 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.groovy;
+
+import org.jspecify.annotations.Nullable;
+import org.openrewrite.*;
+import org.openrewrite.groovy.tree.G;
+import org.openrewrite.java.tree.J;
+import org.openrewrite.java.tree.JavaType;
+
+public class ChangeStringValueOfNamedParameterInMethodInvocation extends Recipe {
+
+    @Option
+    public String methodName;
+
+    @Option
+    public String key;
+
+    @Option
+    public String value;
+
+    public ChangeStringValueOfNamedParameterInMethodInvocation(final String methodName, final String key, final String value) {
+        this.methodName = methodName;
+        this.key = key;
+        this.value = value;
+    }
+
+    @Override
+    public @NlsRewrite.DisplayName String getDisplayName() {
+        return "Change the value of a groovy named string parameter of a method invocation";
+    }
+
+    @Override
+    public @NlsRewrite.Description String getDescription() {
+        return "Changes the value of a given parameter in a given groovy method invocation, supporting Strings and GStrings.";
+    }
+
+    @Override
+    public TreeVisitor<?, ExecutionContext> getVisitor() {
+        return new GroovyIsoVisitor<ExecutionContext>() {
+            @Override
+            public J visitMapEntry(G.MapEntry mapEntry, ExecutionContext ctx) {
+                mapEntry = (G.MapEntry) super.visitMapEntry(mapEntry, ctx);
+
+                if (!isInTargetMethod()) {
+                    return mapEntry;
+                }
+
+                if (!hasStringValue(mapEntry)) {
+                    return mapEntry;
+                }
+
+                if (!mapEntry.getKey().toString().equals(key)) {
+                    return mapEntry;
+                }
+
+                if (mapEntry.getValue().toString().equals(value)) {
+                    return mapEntry;
+                }
+
+                return replaceValue(mapEntry);
+            }
+
+            private boolean isInTargetMethod() {
+                return getCursor().firstEnclosingOrThrow(J.MethodInvocation.class).getSimpleName().equals(methodName);
+            }
+
+            private G. MapEntry replaceValue(final G.MapEntry mapEntry) {
+                J.Literal entryValue = (J.Literal) mapEntry.getValue();
+
+                J.Literal newEntryValue = entryValue
+                        .withValue(value)
+                        .withValueSource(buildNewValueSource(entryValue));
+
+                return mapEntry.withValue(newEntryValue);
+            }
+
+            private @Nullable String buildNewValueSource(J.Literal entryValue) {
+                String oldValue = entryValue.getValue() == null ? "" : entryValue.getValue().toString();
+
+                if (entryValue.getValueSource() == null) {
+                    return null;
+                }
+
+                return entryValue.getValueSource().replace(oldValue, value);
+            }
+        };
+    }
+
+    private static boolean hasStringValue(G.MapEntry mapEntry) {
+        return ((J.Literal) mapEntry.getValue()).getType().equals(JavaType.Primitive.String);
+    }
+
+
+}

rewrite-groovy/src/test/java/org/openrewrite/groovy/ChangeNamedStringParameterValueOfMethodInvocationTest.java

@@ -0,0 +1,143 @@
+/*
+ * 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.groovy;
+
+import org.junit.jupiter.api.Test;
+import org.openrewrite.test.RewriteTest;
+
+import static org.openrewrite.groovy.Assertions.groovy;
+
+class ChangeNamedStringParameterValueOfMethodInvocationTest implements RewriteTest {
+
+    @Test
+    void whenParamSet_thenChangeToNewValue() {
+        rewriteRun(spec -> spec.recipe(new ChangeStringValueOfNamedParameterInMethodInvocation("method", "param", "newValue")),
+          //language=groovy
+          groovy(
+            """
+              method(
+                  param: 'oldValue'
+              )
+              """, """
+              method(
+                  param: 'newValue'
+              )
+              """
+          )
+        );
+    }
+
+    @Test
+    void noChangeWhenNewValueEqualsOldValue() {
+        rewriteRun(spec -> spec.recipe(new ChangeStringValueOfNamedParameterInMethodInvocation("method", "param", "value")),
+          //language=groovy
+          groovy(
+            """
+              method(
+                  param: 'value'
+              )
+              """
+          )
+        );
+    }
+
+    @Test
+    void whenSingleParamSetWithGString_thenChangeToNewValue() {
+        rewriteRun(spec -> spec.recipe(new ChangeStringValueOfNamedParameterInMethodInvocation("method", "param", "newValue")),
+          //language=groovy
+          groovy(
+            """
+              method(
+                  param: "oldValue"
+              )
+              """, """
+              method(
+                  param: "newValue"
+              )
+              """
+          )
+        );
+    }
+
+    @Test
+    void whenMethodWithMultipleParameters_thenChangeOnlySelectedToNewValue() {
+        rewriteRun(spec -> spec.recipe(new ChangeStringValueOfNamedParameterInMethodInvocation("method", "param2", "newValue")),
+          //language=groovy
+          groovy(
+            """
+              method(
+                  param1: "oldValue",
+                  param2: "oldValue",
+                  param3: "oldValue"
+              )
+              """, """
+              method(
+                  param1: "oldValue",
+                  param2: "newValue",
+                  param3: "oldValue"
+              )
+              """
+          )
+        );
+    }
+
+    @Test
+    void whenTwoMethods_thenOnlyChangeOne() {
+        rewriteRun(spec -> spec.recipe(new ChangeStringValueOfNamedParameterInMethodInvocation("method2", "param", "newValue")),
+          groovy(
+            """
+              method1(
+                param: "oldValue"
+              )
+              method2(
+                param: "oldValue"
+              )
+              """, """
+              method1(
+                param: "oldValue"
+              )
+              method2(
+                param: "newValue"
+              )
+              """
+          )
+        );
+    }
+
+    @Test
+    void noChangeWhenParameterWithOtherDatatype() {
+        rewriteRun(spec -> spec.recipe(new ChangeStringValueOfNamedParameterInMethodInvocation("method", "param", "newValue")),
+          groovy(
+            """
+              method(
+                param: 1
+              )
+              """
+          )
+        );
+    }
+
+    @Test
+    void noChangeWhenMethodWithoutParameters() {
+        rewriteRun(spec -> spec.recipe(new ChangeStringValueOfNamedParameterInMethodInvocation("method2", "param", "newValue")),
+          groovy(
+            """
+              method()
+              """
+          )
+        );
+    }
+}