1 package junitparams.mappers; 2 3 import java.io.*; 4 5 /** 6 * Interface to be used by FileParameters'ized test methods. If you want to read 7 * your own format of data from file, implement the map method appropriately. 8 * For CSV files, just skip it. 9 * 10 * @author Pawel Lipinski 11 * 12 */ 13 public interface DataMapper { 14 /** 15 * Maps file contents to parameters. In your implementation read the data 16 * from the reader. The reader is closed in the framework, so just read it 17 * :) 18 * 19 * While reading transform the data into Object[][], where external 20 * dimension are different parameter sets, and internal dimension is the set 21 * of params per single test call 22 * 23 * You can optionally return Object[] with Strings inside, but each String 24 * must be a string in the same format as what you would normally pass to 25 * @Parameters({}) 26 * 27 * @param reader 28 * @return an array with all parameter sets 29 */ 30 Object[] map(Reader reader); 31 } 32
