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package com.google.refine.tests.exporters;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.io.IOException;
import java.io.StringWriter;
import java.util.Properties;
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.browsing.Engine;
import com.google.refine.exporters.CsvExporter;
import com.google.refine.model.Cell;
import com.google.refine.model.Column;
import com.google.refine.model.ModelException;
import com.google.refine.model.Project;
import com.google.refine.model.Row;
import com.google.refine.tests.RefineTest;
public class TsvExporterTests extends RefineTest {
@Override
@BeforeTest
public void init() {
logger = LoggerFactory.getLogger(this.getClass());
}
//dependencies
StringWriter writer;
Project project;
Engine engine;
Properties options;
//System Under Test
CsvExporter SUT;
@BeforeMethod
public void SetUp(){
SUT = new CsvExporter('\t');//new TsvExporter();
writer = new StringWriter();
project = new Project();
engine = new Engine(project);
options = mock(Properties.class);
}
@AfterMethod
public void TearDown(){
SUT = null;
writer = null;
project = null;
engine = null;
options = null;
}
@Test
public void exportSimpleTsv(){
CreateGrid(2, 2);
try {
SUT.export(project, options, engine, writer);
} catch (IOException e) {
Assert.fail();
}
Assert.assertEquals(writer.toString(), "column0\tcolumn1\n" +
"row0cell0\trow0cell1\n" +
"row1cell0\trow1cell1\n");
}
@Test
public void exportSimpleTsvNoHeader(){
CreateGrid(2, 2);
when(options.getProperty("printColumnHeader")).thenReturn("false");
try {
SUT.export(project, options, engine, writer);
} catch (IOException e) {
Assert.fail();
}
Assert.assertEquals(writer.toString(), "row0cell0\trow0cell1\n" +
"row1cell0\trow1cell1\n");
verify(options,times(2)).getProperty("printColumnHeader");
}
@Test
public void exportTsvWithLineBreaks(){
CreateGrid(3,3);
project.rows.get(1).cells.set(1, new Cell("line\n\n\nbreak", null));
try {
SUT.export(project, options, engine, writer);
} catch (IOException e) {
Assert.fail();
}
Assert.assertEquals(writer.toString(), "column0\tcolumn1\tcolumn2\n" +
"row0cell0\trow0cell1\trow0cell2\n" +
"row1cell0\t\"line\n\n\nbreak\"\trow1cell2\n" +
"row2cell0\trow2cell1\trow2cell2\n");
}
@Test
public void exportTsvWithComma(){
CreateGrid(3,3);
project.rows.get(1).cells.set(1, new Cell("with\t tab", null));
try {
SUT.export(project, options, engine, writer);
} catch (IOException e) {
Assert.fail();
}
Assert.assertEquals(writer.toString(), "column0\tcolumn1\tcolumn2\n" +
"row0cell0\trow0cell1\trow0cell2\n" +
"row1cell0\t\"with\t tab\"\trow1cell2\n" +
"row2cell0\trow2cell1\trow2cell2\n");
}
@Test
public void exportTsvWithQuote(){
CreateGrid(3,3);
project.rows.get(1).cells.set(1, new Cell("line has \"quote\"", null));
try {
SUT.export(project, options, engine, writer);
} catch (IOException e) {
Assert.fail();
}
Assert.assertEquals(writer.toString(), "column0\tcolumn1\tcolumn2\n" +
"row0cell0\trow0cell1\trow0cell2\n" +
"row1cell0\t\"line has \"\"quote\"\"\"\trow1cell2\n" +
"row2cell0\trow2cell1\trow2cell2\n");
}
@Test
public void exportTsvWithEmptyCells(){
CreateGrid(3,3);
project.rows.get(1).cells.set(1, null);
project.rows.get(2).cells.set(0, null);
try {
SUT.export(project, options, engine, writer);
} catch (IOException e) {
Assert.fail();
}
Assert.assertEquals(writer.toString(), "column0\tcolumn1\tcolumn2\n" +
"row0cell0\trow0cell1\trow0cell2\n" +
"row1cell0\t\trow1cell2\n" +
"\trow2cell1\trow2cell2\n");
}
//helper methods
protected void CreateColumns(int noOfColumns){
for(int i = 0; i < noOfColumns; i++){
try {
project.columnModel.addColumn(i, new Column(i, "column" + i), true);
project.columnModel.columns.get(i).getCellIndex();
} catch (ModelException e1) {
Assert.fail("Could not create column");
}
}
}
protected void CreateGrid(int noOfRows, int noOfColumns){
CreateColumns(noOfColumns);
for(int i = 0; i < noOfRows; i++){
Row row = new Row(noOfColumns);
for(int j = 0; j < noOfColumns; j++){
row.cells.add(new Cell("row" + i + "cell" + j, null));
}
project.rows.add(row);
}
}
}