Fix line separator and license header

dai-chen · dai-chen · commit dc620798072e · 2025-12-01T13:44:08.000-08:00
Signed-off-by: Chen Dai &lt;daichen@amazon.com&gt;
diff --git a/api/build.gradle b/api/build.gradle
@@ -26,6 +26,10 @@ spotless {
             exclude '**/build/**', '**/build-*/**', 'src/main/gen/**'
         }
         importOrder()
+        licenseHeader("/*\n" +
+                " * Copyright OpenSearch Contributors\n" +
+                " * SPDX-License-Identifier: Apache-2.0\n" +
+                " */\n\n")
         removeUnusedImports()
         trimTrailingWhitespace()
         endWithNewline()
diff --git a/api/src/main/java/org/opensearch/sql/api/EmptyDataSourceService.java b/api/src/main/java/org/opensearch/sql/api/EmptyDataSourceService.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.opensearch.sql.api;
 
 import java.util.Map;
diff --git a/api/src/test/java/org/opensearch/sql/api/transpiler/UnifiedQueryTranspilerTest.java b/api/src/test/java/org/opensearch/sql/api/transpiler/UnifiedQueryTranspilerTest.java
@@ -30,7 +30,7 @@ public void testToSql() {
     RelNode plan = planner.plan(pplQuery);
 
     String actualSql = transpiler.toSql(plan);
-    String expectedSql = "SELECT *\nFROM `catalog`.`employees`";
+    String expectedSql = normalize("SELECT *\nFROM `catalog`.`employees`");
     assertEquals(
         "Transpiled SQL using SparkSqlDialect should match expected SQL", expectedSql, actualSql);
   }
@@ -44,10 +44,16 @@ public void testToSqlWithCustomDialect() {
         UnifiedQueryTranspiler.builder().dialect(OpenSearchSparkSqlDialect.DEFAULT).build();
     String actualSql = customTranspiler.toSql(plan);
     String expectedSql =
-        "SELECT *\nFROM `catalog`.`employees`\nWHERE TRY_CAST(`name` AS DOUBLE) = 1.230E2";
+        normalize(
+            "SELECT *\nFROM `catalog`.`employees`\nWHERE TRY_CAST(`name` AS DOUBLE) = 1.230E2");
     assertEquals(
         "Transpiled query using OpenSearchSparkSqlDialect should translate SAFE_CAST to TRY_CAST",
         expectedSql,
         actualSql);
   }
+
+  /** Normalizes line endings to platform-specific format for cross-platform test compatibility. */
+  private String normalize(String sql) {
+    return sql.replace("\n", System.lineSeparator());
+  }
 }
