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package com.google.refine.tests.exporters;
import static org.mockito.Mockito.mock;
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.ProjectManager;
import com.google.refine.ProjectMetadata;
import com.google.refine.browsing.Engine;
import com.google.refine.exporters.TemplatingExporter;
import com.google.refine.exporters.WriterExporter;
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.ProjectManagerStub;
import com.google.refine.tests.RefineTest;
public class TemplatingExporterTests extends RefineTest {
private static final String TEST_PROJECT_NAME = "templating exporter test project";
String rowPrefix = "boilerplate";
String cellSeparator = "spacer";
String prefix = "test prefix>";
String suffix = "<test suffix";
String rowSeparator = "\n";
@Override
@BeforeTest
public void init() {
logger = LoggerFactory.getLogger(this.getClass());
}
//dependencies
StringWriter writer;
ProjectMetadata projectMetadata;
Project project;
Engine engine;
Properties options;
//System Under Test
WriterExporter SUT;
@BeforeMethod
public void SetUp(){
SUT = new TemplatingExporter();
writer = new StringWriter();
ProjectManager.singleton = new ProjectManagerStub();
projectMetadata = new ProjectMetadata();
project = new Project();
projectMetadata.setName(TEST_PROJECT_NAME);
ProjectManager.singleton.registerProject(project, projectMetadata);
engine = new Engine(project);
options = mock(Properties.class);
}
@AfterMethod
public void TearDown(){
SUT = null;
writer = null;
ProjectManager.singleton.deleteProject(project.id);
project = null;
engine = null;
options = null;
}
@Test
public void exportEmptyTemplate(){
// when(options.getProperty("limit")).thenReturn("100"); // optional integer
// when(options.getProperty("sorting")).thenReturn(""); //optional
when(options.getProperty("template")).thenReturn("a template that should never get used");
when(options.getProperty("prefix")).thenReturn(prefix);
when(options.getProperty("suffix")).thenReturn(suffix);
when(options.getProperty("separator")).thenReturn(rowSeparator);
// when(options.getProperty("preview")).thenReturn("false"); // optional true|false
try {
SUT.export(project, options, engine, writer);
} catch (IOException e) {
Assert.fail();
}
Assert.assertEquals(writer.toString(), prefix + suffix);
}
@Test
public void exportSimpleTemplate(){
CreateGrid(2, 2);
String template = rowPrefix + "${column0}" + cellSeparator + "${column1}";
// String template = "boilerplate${column0}{{4+3}}${column1}";
// when(options.getProperty("limit")).thenReturn("100"); // optional integer
// when(options.getProperty("sorting")).thenReturn(""); //optional
when(options.getProperty("template")).thenReturn(template);
when(options.getProperty("prefix")).thenReturn(prefix);
when(options.getProperty("suffix")).thenReturn(suffix);
when(options.getProperty("separator")).thenReturn(rowSeparator);
// when(options.getProperty("preview")).thenReturn("false"); // optional true|false
try {
SUT.export(project, options, engine, writer);
} catch (IOException e) {
Assert.fail();
}
Assert.assertEquals(writer.toString(),
prefix
+ rowPrefix + "row0cell0" + cellSeparator + "row0cell1" + rowSeparator
+ rowPrefix + "row1cell0" + cellSeparator + "row1cell1"
+ suffix);
}
@Test()
public void exportTemplateWithEmptyCells(){
// when(options.getProperty("limit")).thenReturn("100"); // optional integer
// when(options.getProperty("sorting")).thenReturn(""); //optional
when(options.getProperty("template")).thenReturn(rowPrefix + "${column0}" + cellSeparator + "${column1}" + cellSeparator + "${column2}");
when(options.getProperty("prefix")).thenReturn(prefix);
when(options.getProperty("suffix")).thenReturn(suffix);
when(options.getProperty("separator")).thenReturn(rowSeparator);
// when(options.getProperty("preview")).thenReturn("false"); // optional true|false
CreateGrid(3,3);
project.rows.get(1).cells.set(1, null);
project.rows.get(2).cells.set(0, null);
try {
SUT.export(project, options, engine, writer);
} catch (IOException e) {
Assert.fail();
}
// Template exporter returns null for empty cells
Assert.assertEquals(writer.toString(),
prefix
+ rowPrefix + "row0cell0" + cellSeparator + "row0cell1" + cellSeparator + "row0cell2" + rowSeparator
+ rowPrefix + "row1cell0" + cellSeparator + "null" + cellSeparator + "row1cell2" + rowSeparator
+ rowPrefix + "null" + cellSeparator + "row2cell1" + cellSeparator + "row2cell2"
+ suffix);
}
@Test()
public void exportTemplateWithLimit(){
when(options.getProperty("limit")).thenReturn("2"); // optional integer
// when(options.getProperty("sorting")).thenReturn(""); //optional
when(options.getProperty("template")).thenReturn(rowPrefix + "${column0}" + cellSeparator + "${column1}" + cellSeparator + "${column2}");
when(options.getProperty("prefix")).thenReturn(prefix);
when(options.getProperty("suffix")).thenReturn(suffix);
when(options.getProperty("separator")).thenReturn(rowSeparator);
// when(options.getProperty("preview")).thenReturn("false"); // optional true|false
CreateGrid(3,3);
try {
SUT.export(project, options, engine, writer);
} catch (IOException e) {
Assert.fail();
}
Assert.assertEquals(writer.toString(),
prefix
+ rowPrefix + "row0cell0" + cellSeparator + "row0cell1" + cellSeparator + "row0cell2" + rowSeparator
+ rowPrefix + "row1cell0" + cellSeparator + "row1cell1" + cellSeparator + "row1cell2"
// third row should be skipped because of limit
+ suffix);
}
//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);
} 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);
}
}
}