sets up the file path and writer before a test runs . concode_field_sep LocalFileBlockWriter mWriter concode_elem_sep ExpectedException mThrown concode_elem_sep TemporaryFolder mFolder concode_elem_sep long TEST_BLOCK_SIZE concode_elem_sep String mTestFilePath concode_field_sep void getChannel concode_elem_sep void close concode_elem_sep void append
void function ( ) { mTestFilePath = mFolder . newFile ( ) . getAbsolutePath ( ) ; mWriter = new LocalFileBlockWriter ( mTestFilePath ) ; }