/*
Copyright 2013 Thomas F. Morris & other contributors
All rights reserved.

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    * Redistributions of source code must retain the above copyright
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    * Redistributions in binary form must reproduce the above
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    * Neither the names of the project or its
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package com.google.refine.tests.clustering.binning;

import org.slf4j.LoggerFactory;
import org.testng.Assert;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;

import com.google.refine.clustering.binning.FingerprintKeyer;
import com.google.refine.clustering.binning.Keyer;
import com.google.refine.clustering.binning.NGramFingerprintKeyer;
import com.google.refine.tests.RefineTest;


public class KeyerTests extends RefineTest {

    private static Keyer keyer;
    
    private static final String[][] testStrings = {
        {"the multi multi word test","multi test the word"},
        {"a b c d","a b c d"},
        {" d c b a ","a b c d"},
        {"\tABC \t DEF ","abc def"}, // test leading and trailing whitespace
        {"bbb\taaa","aaa bbb"},
        {"",""},
        {"",""},
        {"",""},
    };
    
    private static final String[][] testNGramStrings = {
        {"abcdefg","abbccddeeffg"},
        {"",""}, //TODO: add more test cases
        {"",""},
        {"",""},
    };
    
    @Override
    @BeforeTest
    public void init() {
        logger = LoggerFactory.getLogger(this.getClass());
    }
    
    @BeforeMethod
    public void SetUp() {
         keyer = new FingerprintKeyer();
    }

    @AfterMethod
    public void TearDown() {
        keyer = null;
    }
    
    @Test(expectedExceptions=IllegalArgumentException.class)
    public void testInvalidParams() {        
        keyer.key("test",(Object[])new String[]{"foo"});
    }
    
    @Test
    public void testFingerprintKeyer() {
        for (String[] ss : testStrings) {
            Assert.assertEquals(ss.length,2,"Invalid test"); // Not a valid test
            Assert.assertEquals(keyer.key(ss[0]),ss[1],
                    "Fingerprint for string: " + ss[0] + " failed");
        }
    }
    
    @Test
    public void testNGramKeyer() {    
        keyer = new NGramFingerprintKeyer();
        for (String[] ss : testNGramStrings) {
            Assert.assertEquals(ss.length,2,"Invalid test"); // Not a valid test
            Assert.assertEquals(keyer.key(ss[0]),ss[1],
                    "Fingerprint for string: " + ss[0] + " failed");
        }
    }
    
 

}