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

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
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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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in the documentation and/or other materials provided with the
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    * Neither the names of the project or its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.

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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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package com.google.refine.expr.functions.strings;

import java.util.Properties;

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

import com.google.refine.RefineTest;
import com.google.refine.util.TestUtils;


public class FingerprintTests extends RefineTest {

    static Properties bindings;
    
    private static final String[][] testStrings = {
        {"schön","schon"},  
//        {"Ære Øre Åre", "are aere ore"},
//        {"Straße","strasse"},
        {"\tABC \t DEF ","abc def"}, // test leading and trailing whitespace
        {"bbb\taaa","aaa bbb"},
        {"müller","muller"},
//      {"müller","mueller"}, // another possible interpretation
//        {"ﬁﬂĳ","fiflij"},
//        {"ﭏ","אל"},
//        {"œ ӕ","ae oe"},
        {"",""},
    };
    
    @Override
    @BeforeTest
    public void init() {
        logger = LoggerFactory.getLogger(this.getClass());
    }
    
    @Test
    public void testInvalidParams() {        
        Assert.assertNull(invoke("fingerprint"));
        Assert.assertNull(invoke("fingerprint", "one","two","three"));
        Assert.assertNull(invoke("fingerprint", Long.getLong("1")));
    }
    
    @Test
    public void testNormalize() {
        for (String[] ss : testStrings) {
            Assert.assertEquals(ss.length,2,"Invalid test"); // Not a valid test
            Assert.assertEquals((String)(invoke("fingerprint", ss[0])),ss[1],
                    "Fingerprint for string: " + ss[0] + " failed");
        }
    }
    
    @Test
    public void serializeFingerprint() {
        String json = "{\"description\":\"Returns the fingerprint of s, a derived string that aims to be a more canonical form of it (this is mostly useful for finding clusters of strings related to the same information).\",\"params\":\"string s\",\"returns\":\"string\"}";
        TestUtils.isSerializedTo(new Fingerprint(), json);
    }


}
