Add encryption_util module for tests

Author: adamreeve

parquet/src/arrow/arrow_writer/mod.rs

@@ -1290,8 +1290,6 @@ mod tests {
 
     use std::fs::File;
 
-    #[cfg(feature = "encryption")]
-    use crate::arrow::arrow_reader::tests::verify_encryption_test_file_read;
     #[cfg(feature = "encryption")]
     use crate::arrow::arrow_reader::ArrowReaderMetadata;
     #[cfg(feature = "encryption")]
@@ -1300,6 +1298,8 @@ mod tests {
     use crate::arrow::ARROW_SCHEMA_META_KEY;
     #[cfg(feature = "encryption")]
     use crate::encryption::encrypt::EncryptionKey;
+    #[cfg(feature = "encryption")]
+    use crate::util::test_common::encryption_util::verify_encryption_test_file_read;
     use arrow::datatypes::ToByteSlice;
     use arrow::datatypes::{DataType, Schema};
     use arrow::error::Result as ArrowResult;

parquet/src/util/test_common/encryption_util.rs

@@ -27,6 +27,7 @@ use arrow_array::{types, RecordBatch};
 use futures::TryStreamExt;
 use std::fs::File;
 
+/// Tests reading an encrypted file from the parquet-testing repository
 pub(crate) fn verify_encryption_test_file_read(
     file: File,
     decryption_properties: FileDecryptionProperties,