test: Add test for enum generation with argument builder

l10nmessages-proc/src/test/java/com/pinterest/l10nmessages/L10nPropertiesProcessorTest.java

@@ -46,6 +46,13 @@ public void valid() {
     checkGenerationSuccessful(compilation);
   }
 
+  @Test
+  public void validArgumentBuilder() {
+    assumeTrue(shouldUseOldGeneratedAnnotation());
+    Compilation compilation = defaultCompile();
+    checkGenerationSuccessful(compilation);
+  }
+
   @Test
   public void validJava9() {
     assumeFalse(shouldUseOldGeneratedAnnotation());

l10nmessages-proc/src/test/resources/com/pinterest/l10nmessages/L10nPropertiesProcessorTest_IO/validArgumentBuilder/TestApp.java

@@ -0,0 +1,9 @@
+package com.pinterest.l10nmessages.L10nPropertiesProcessorTest_IO.valid;
+
+import com.pinterest.l10nmessages.EnumType;
+import com.pinterest.l10nmessages.L10nProperties;
+
+@L10nProperties(baseName = "com.pinterest.l10nmessages.L10nPropertiesProcessorTest_IO.validArgumentBuilder.TestMessages",
+ enumType = EnumType.WITH_ARGUMENT_BUILDERS)
+public class TestApp {
+}

l10nmessages-proc/src/test/resources/com/pinterest/l10nmessages/L10nPropertiesProcessorTest_IO/validArgumentBuilder/TestMessages.java

@@ -0,0 +1,48 @@
+package com.pinterest.l10nmessages.L10nPropertiesProcessorTest_IO.validArgumentBuilder;
+
+import com.pinterest.l10nmessages.FormatContext;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import javax.annotation.Generated;
+
+@Generated("com.pinterest.l10nmessages.L10nPropertiesProcessor")
+public enum TestMessages {
+  hello_user("hello_user");
+
+  public static final String BASENAME = "com.pinterest.l10nmessages.L10nPropertiesProcessorTest_IO.validArgumentBuilder.TestMessages";
+  public static final String MESSAGE_FORMAT_ADAPTER_PROVIDERS = "AUTO";
+
+  private String key;
+
+  TestMessages(String key) {
+    this.key = key;
+  }
+
+  @Override
+  public String toString() {
+    return key;
+  }
+
+  public static class FC_hello_user implements FormatContext<TestMessages> {
+    Map<String, Object> map = new LinkedHashMap<>();
+
+    @Override
+    public TestMessages getKey() {
+      return hello_user;
+    }
+
+    @Override
+    public Map<String, Object> getArguments() {
+      return map;
+    }
+
+    public FC_hello_user username(Object value) {
+      map.put("username", value);
+      return this;
+    }
+  }
+
+  public static FC_hello_user hello_user() {
+    return new FC_hello_user();
+  }
+}

l10nmessages-proc/src/test/resources/com/pinterest/l10nmessages/L10nPropertiesProcessorTest_IO/validArgumentBuilder/TestMessages.properties

@@ -0,0 +1 @@
+hello_user=Hello {username}