[GitHub] [spark] MaxGekk commented on a diff in pull request #38515: [SPARK-41015][SQL][PROTOBUF] UnitTest null check for data generator

[GitBox <gi...@apache.org>]

MaxGekk commented on code in PR #38515:
URL: https://github.com/apache/spark/pull/38515#discussion_r1014774789


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/errors/QueryCompilationErrors.scala:
##########
@@ -3344,7 +3344,7 @@ private[sql] object QueryCompilationErrors extends QueryErrorsBase {
   def failedParsingDescriptorError(descFilePath: String, cause: Throwable): Throwable = {
     new AnalysisException(
       errorClass = "CANNOT_CONSTRUCT_PROTOBUF_DESCRIPTOR",

Review Comment:
   Could you add a test for this error class.



##########
connector/protobuf/src/test/scala/org/apache/spark/sql/protobuf/ProtobufSerdeSuite.scala:
##########
@@ -177,6 +177,19 @@ class ProtobufSerdeSuite extends SharedSparkSession {
     withFieldMatchType(Deserializer.create(CATALYST_STRUCT, protoNestedFile, _))
   }
 
+  test("raise cannot parse protobuf descriptor error") {
+    // passing serde_suite.proto instead serde_suite.desc
+    val testFileDesc = testFile("serde_suite.proto").replace("file:/", "/")
+    val e = intercept[AnalysisException] {
+      ProtobufUtils.buildDescriptor(testFileDesc, "FieldMissingInSQLRoot")
+    }
+
+    checkError(
+      exception = e,
+      errorClass = "CANNOT_PARSE_PROTOBUF_DESCRIPTOR",

Review Comment:
   @SandishKumarHN Thank you for the added test.



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