Update CodeTFChange to include explicit DiffSide

Author: drdavella

framework/codemodder-base/build.gradle.kts

@@ -21,7 +21,7 @@ dependencies {
     api(libs.java.security.toolkit)
     api(libs.commons.lang3)
 
-    api("io.codemodder:codetf-java:2.1.4")
+    api("io.codemodder:codetf-java:3.0.0")
     api(libs.slf4j.api)
     api(libs.javaparser.core)
     api(libs.javaparser.symbolsolver.core)

framework/codemodder-base/src/main/java/io/codemodder/DefaultCodemodExecutor.java

@@ -6,6 +6,7 @@
 import com.github.difflib.UnifiedDiffUtils;
 import io.codemodder.codetf.CodeTFChange;
 import io.codemodder.codetf.CodeTFChangesetEntry;
+import io.codemodder.codetf.CodeTFDiffSide;
 import io.codemodder.codetf.CodeTFPackageAction;
 import io.codemodder.codetf.CodeTFResult;
 import io.codemodder.javaparser.JavaParserChanger;
@@ -274,6 +275,7 @@ private CodeTFChange translateCodemodChangetoCodeTFChange(
             codemodChange.lineNumber(),
             emptyMap(),
             changeDescription,
+            CodeTFDiffSide.LEFT,
             pkgActions,
             codemodChange.getParameters());
 

framework/codemodder-base/src/test/java/io/codemodder/DefaultCodemodExecutorTest.java

@@ -21,7 +21,6 @@
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.*;
-import java.util.concurrent.*;
 import java.util.stream.Collectors;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -135,6 +134,7 @@ public DependencyUpdateResult updateDependencies(
               oldDeps.size() + 1,
               Collections.emptyMap(),
               "updated deps",
+              CodeTFDiffSide.LEFT,
               List.of(packageAddResult),
               List.of());
       CodeTFChangesetEntry entry = new CodeTFChangesetEntry("deps.txt", diff, List.of(change));

plugins/codemodder-plugin-maven/src/main/java/io/codemodder/plugins/maven/CodeTFGenerator.java

@@ -8,6 +8,7 @@
 import io.codemodder.DependencyGAV;
 import io.codemodder.codetf.CodeTFChange;
 import io.codemodder.codetf.CodeTFChangesetEntry;
+import io.codemodder.codetf.CodeTFDiffSide;
 import io.codemodder.plugins.maven.operator.POMDocument;
 import java.io.File;
 import java.net.URISyntaxException;
@@ -64,8 +65,10 @@ CodeTFChangesetEntry getChanges(
 
     final String description = dependencyDescriptor.create(newDependency);
     final Map<String, String> properties = buildPropertiesMap(description);
+    // Use RIGHT side as the diff side for now, as we are only adding dependencies.
     final CodeTFChange change =
-        new CodeTFChange(position, properties, description, List.of(), List.of());
+        new CodeTFChange(
+            position, properties, description, CodeTFDiffSide.RIGHT, List.of(), List.of());
 
     final List<String> patchDiff =
         UnifiedDiffUtils.generateUnifiedDiff(

plugins/codemodder-plugin-maven/src/test/java/io/codemodder/plugins/maven/MavenProviderTest.java

@@ -9,6 +9,7 @@
 import io.codemodder.*;
 import io.codemodder.codetf.CodeTFChange;
 import io.codemodder.codetf.CodeTFChangesetEntry;
+import io.codemodder.codetf.CodeTFDiffSide;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -244,18 +245,22 @@ void it_returns_expected_changeset_when_using_parent_pom() throws IOException {
     // module1/pom.xml adding mars1 to dependencies
     assertThat(changes.get(0).getPath()).isEqualTo("module1/pom.xml");
     assertThat(changes.get(0).getChanges().get(0).getLineNumber()).isEqualTo(19);
+    assertThat(changes.get(0).getChanges().get(0).getDiffSide()).isEqualTo(CodeTFDiffSide.RIGHT);
 
     // pom.xml adding mars1 to dependency management
     assertThat(changes.get(1).getPath()).isEqualTo("pom.xml");
     assertThat(changes.get(1).getChanges().get(0).getLineNumber()).isEqualTo(15);
+    assertThat(changes.get(1).getChanges().get(0).getDiffSide()).isEqualTo(CodeTFDiffSide.RIGHT);
 
     // module1/pom.xml adding mars2 to dependencies
     assertThat(changes.get(2).getPath()).isEqualTo("module1/pom.xml");
     assertThat(changes.get(2).getChanges().get(0).getLineNumber()).isEqualTo(23);
+    assertThat(changes.get(2).getChanges().get(0).getDiffSide()).isEqualTo(CodeTFDiffSide.RIGHT);
 
     // pom.xml adding mars2 to dependency management
     assertThat(changes.get(3).getPath()).isEqualTo("pom.xml");
     assertThat(changes.get(3).getChanges().get(0).getLineNumber()).isEqualTo(20);
+    assertThat(changes.get(3).getChanges().get(0).getDiffSide()).isEqualTo(CodeTFDiffSide.RIGHT);
 
     // we don't have license facts for these dependencies, so we should be silent on their license!
     boolean matchedLicenseFacts =