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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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*/

package com.google.refine.operations.cell;

import java.util.Properties;

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

import com.google.refine.RefineTest;
import com.google.refine.model.AbstractOperation;
import com.google.refine.model.Project;
import com.google.refine.operations.OperationRegistry;
import com.google.refine.process.Process;
import com.google.refine.util.ParsingUtilities;
import com.google.refine.util.TestUtils;


public class JoinMultiValuedCellsTests extends RefineTest {
    
    Project project;

    @Override
    @BeforeTest
    public void init() {
        logger = LoggerFactory.getLogger(this.getClass());
    }
    
    @BeforeSuite
    public void registerOperation() {
        OperationRegistry.registerOperation(getCoreModule(), "multivalued-cell-join", MultiValuedCellJoinOperation.class);
    }
    
    @BeforeMethod
    public void createProject() {
        project = createCSVProject(
                "Key,Value\n"
                + "Record_1,one\n"
                + ",two\n"
                + ",three\n"
                + ",four\n");
    }
    
    @Test
    public void serializeMultiValuedCellJoinOperation() throws Exception {
        String json = "{\"op\":\"core/multivalued-cell-join\","
                + "\"description\":\"Join multi-valued cells in column value column\","
                + "\"columnName\":\"value column\","
                + "\"keyColumnName\":\"key column\","
                + "\"separator\":\",\"}";
        TestUtils.isSerializedTo(ParsingUtilities.mapper.readValue(json, MultiValuedCellJoinOperation.class), json);
    }
    

    /*
     * Test to demonstrate the intended behaviour of the function
     */

    @Test
    public void testJoinMultiValuedCells() throws Exception {
        AbstractOperation op = new MultiValuedCellJoinOperation(
            "Value",
            "Key",
            ",");
        Process process = op.createProcess(project, new Properties());
        process.performImmediate();

        int keyCol = project.columnModel.getColumnByName("Key").getCellIndex();
        int valueCol = project.columnModel.getColumnByName("Value").getCellIndex();
        
        Assert.assertEquals(project.rows.get(0).getCellValue(keyCol), "Record_1");
        Assert.assertEquals(project.rows.get(0).getCellValue(valueCol), "one,two,three,four");
    }

    @Test
    public void testJoinMultiValuedCellsMultipleSpaces() throws Exception {
        AbstractOperation op = new MultiValuedCellJoinOperation(
            "Value",
            "Key",
            ",     ,");
        Process process = op.createProcess(project, new Properties());
        process.performImmediate();

        int keyCol = project.columnModel.getColumnByName("Key").getCellIndex();
        int valueCol = project.columnModel.getColumnByName("Value").getCellIndex();
        
        Assert.assertEquals(project.rows.get(0).getCellValue(keyCol), "Record_1");
        Assert.assertEquals(project.rows.get(0).getCellValue(valueCol), "one,     ,two,     ,three,     ,four");
    }


}

