vitro/webapp/test/freemarker/ext/dump/HelpDirectiveTest.java

288 lines
9.9 KiB
Java

/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package freemarker.ext.dump;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.fail;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.junit.Before;
import org.junit.Test;
import freemarker.core.Environment;
import freemarker.ext.dump.BaseDumpDirective.Key;
import freemarker.ext.dump.BaseDumpDirective.Type;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateDirectiveBody;
import freemarker.template.TemplateDirectiveModel;
import freemarker.template.TemplateException;
import freemarker.template.TemplateMethodModel;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelException;
public class HelpDirectiveTest {
private Template template;
@Before
public void setUp() {
Configuration config = new Configuration();
String templateStr = "";
try {
template = new Template("template", new StringReader(templateStr), config);
} catch (Exception e) {
fail(e.getMessage());
}
// Turn off log messages to console
Logger.getLogger(BaseDumpDirective.class).setLevel(Level.OFF);
}
@Test
public void dumpHelplessMethod() {
String varName = "square";
Map<String, Object> dataModel = new HashMap<String, Object>();
TemplateMethodModel methodModel = new HelplessMethod();
dataModel.put(varName, methodModel);
Map<String, Object> expectedDumpValue = new HashMap<String, Object>();
expectedDumpValue.put(Key.TYPE.toString(), Type.METHOD);
expectedDumpValue.put(Key.CLASS.toString(), methodModel.getClass().getName());
expectedDumpValue.put(Key.HELP.toString(), null);
Map<String, Object> expectedDump = new HashMap<String, Object>();
expectedDump.put(varName, expectedDumpValue);
test(varName, dataModel, expectedDump);
}
@Test
public void dumpHelpfulMethod() {
String varName = "square";
Map<String, Object> dataModel = new HashMap<String, Object>();
TemplateMethodModel methodModel = new HelpfulMethod();
dataModel.put(varName, methodModel);
Map<String, Object> expectedDumpValue = new HashMap<String, Object>();
expectedDumpValue.put(Key.TYPE.toString(), Type.METHOD);
expectedDumpValue.put(Key.CLASS.toString(), methodModel.getClass().getName());
expectedDumpValue.put(Key.HELP.toString(), getMethodHelp(varName));
Map<String, Object> expectedDump = new HashMap<String, Object>();
expectedDump.put(varName, expectedDumpValue);
test(varName, dataModel, expectedDump);
}
@Test
public void dumpMethodWithBadHelp() {
String varName = "square";
Map<String, Object> dataModel = new HashMap<String, Object>();
TemplateMethodModel methodModel = new MethodWithBadHelp();
dataModel.put(varName, methodModel);
Map<String, Object> expectedDumpValue = new HashMap<String, Object>();
expectedDumpValue.put(Key.TYPE.toString(), Type.METHOD);
expectedDumpValue.put(Key.CLASS.toString(), methodModel.getClass().getName());
expectedDumpValue.put(Key.HELP.toString(), null);
Map<String, Object> expectedDump = new HashMap<String, Object>();
expectedDump.put(varName, expectedDumpValue);
test(varName, dataModel, expectedDump);
}
@Test
public void dumpHelplessDirective() {
String varName = "dump";
Map<String, Object> dataModel = new HashMap<String, Object>();
TemplateDirectiveModel directiveModel = new HelplessDirective();
dataModel.put(varName, directiveModel);
Map<String, Object> expectedDumpValue = new HashMap<String, Object>();
expectedDumpValue.put(Key.TYPE.toString(), Type.DIRECTIVE);
expectedDumpValue.put(Key.CLASS.toString(), directiveModel.getClass().getName());
expectedDumpValue.put(Key.HELP.toString(), null);
Map<String, Object> expectedDump = new HashMap<String, Object>();
expectedDump.put(varName, expectedDumpValue);
test(varName, dataModel, expectedDump);
}
@Test
public void dumpHelpfulDirective() {
String varName = "dump";
Map<String, Object> dataModel = new HashMap<String, Object>();
TemplateDirectiveModel directiveModel = new HelpfulDirective();
dataModel.put(varName, directiveModel);
Map<String, Object> expectedDumpValue = new HashMap<String, Object>();
expectedDumpValue.put(Key.TYPE.toString(), Type.DIRECTIVE);
expectedDumpValue.put(Key.CLASS.toString(), directiveModel.getClass().getName());
expectedDumpValue.put(Key.HELP.toString(), getDirectiveHelp(varName));
Map<String, Object> expectedDump = new HashMap<String, Object>();
expectedDump.put(varName, expectedDumpValue);
test(varName, dataModel, expectedDump);
}
@Test
public void dumpDirectiveWithBadHelp() {
String varName = "dump";
Map<String, Object> dataModel = new HashMap<String, Object>();
TemplateDirectiveModel directiveModel = new DirectiveWithBadHelp();
dataModel.put(varName, directiveModel);
Map<String, Object> expectedDumpValue = new HashMap<String, Object>();
expectedDumpValue.put(Key.TYPE.toString(), Type.DIRECTIVE);
expectedDumpValue.put(Key.CLASS.toString(), directiveModel.getClass().getName());
expectedDumpValue.put(Key.HELP.toString(), null);
Map<String, Object> expectedDump = new HashMap<String, Object>();
expectedDump.put(varName, expectedDumpValue);
test(varName, dataModel, expectedDump);
}
/////////////////////////// Private test classes and helper methods ///////////////////////////
private class HelplessMethod implements TemplateMethodModel {
@Override
public Object exec(List arg0) throws TemplateModelException {
return null;
}
}
private class HelpfulMethod implements TemplateMethodModel {
@Override
public Object exec(List arg0) throws TemplateModelException {
return null;
}
public Map<String, Object> help(String name) {
return getMethodHelp(name);
}
}
private class MethodWithBadHelp implements TemplateMethodModel {
@Override
public Object exec(List arg0) throws TemplateModelException {
return null;
}
public Map<String, Object> help() {
return new HashMap<String, Object>();
}
}
private class HelplessDirective implements TemplateDirectiveModel {
@Override
public void execute(Environment arg0, Map arg1, TemplateModel[] arg2,
TemplateDirectiveBody arg3) throws TemplateException,
IOException {
}
}
private class HelpfulDirective implements TemplateDirectiveModel {
@Override
public void execute(Environment arg0, Map arg1, TemplateModel[] arg2,
TemplateDirectiveBody arg3) throws TemplateException,
IOException {
}
public Map<String, Object> help(String name) {
return getDirectiveHelp(name);
}
}
private class DirectiveWithBadHelp implements TemplateDirectiveModel {
@Override
public void execute(Environment arg0, Map arg1, TemplateModel[] arg2,
TemplateDirectiveBody arg3) throws TemplateException,
IOException {
}
public String help(String name) {
return "help";
}
}
private Map<String, Object> getDirectiveHelp(String name) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("effect", "Dump the contents of a template variable.");
map.put("comments", "Sequences (lists and arrays) are enclosed in square brackets. Hashes are enclosed in curly braces.");
Map<String, String> parameters = new HashMap<String, String>();
parameters.put("var", "name of variable to dump");
map.put("parameters", parameters);
List<String> examples = new ArrayList<String>();
examples.add("<@" + name + " var=\"urls\" />");
map.put("examples", examples);
return map;
}
private Map<String, Object> getMethodHelp(String name) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("returns", "The square of the argument");
List<String> params = new ArrayList<String>();
params.add("Integer to square");
map.put("parameters", params);
List<String> examples = new ArrayList<String>();
examples.add(name + "(4)");
map.put("examples", examples);
return map;
}
private Map<String, Object> getDump(String varName, Map<String, Object> dataModel) {
try {
Environment env = template.createProcessingEnvironment(dataModel, new StringWriter());
return new DumpDirective().getTemplateVariableDump(varName, env);
} catch (Exception e) {
fail(e.getMessage());
return null;
}
}
private void test(String varName, Map<String, Object> dataModel, Map<String, Object> expectedDump) {
Map<String, Object> dump = getDump(varName, dataModel);
assertEquals(expectedDump, dump);
}
}