package com.fasterxml.jackson.test;
import java.io.*;
import java.util.Arrays;
import junit.framework.TestCase;
import com.fasterxml.jackson.core.*;
//import static org.junit.Assert.*;
public abstract class BaseTest
extends TestCase
{
protected final static String FIELD_BASENAME = "f";
/*
/**********************************************************
/* Some sample documents:
/**********************************************************
*/
protected final static int SAMPLE_SPEC_VALUE_WIDTH = 800;
protected final static int SAMPLE_SPEC_VALUE_HEIGHT = 600;
protected final static String SAMPLE_SPEC_VALUE_TITLE = "View from 15th Floor";
protected final static String SAMPLE_SPEC_VALUE_TN_URL = "http://www.example.com/image/481989943";
protected final static int SAMPLE_SPEC_VALUE_TN_HEIGHT = 125;
protected final static String SAMPLE_SPEC_VALUE_TN_WIDTH = "100";
protected final static int SAMPLE_SPEC_VALUE_TN_ID1 = 116;
protected final static int SAMPLE_SPEC_VALUE_TN_ID2 = 943;
protected final static int SAMPLE_SPEC_VALUE_TN_ID3 = 234;
protected final static int SAMPLE_SPEC_VALUE_TN_ID4 = 38793;
protected final static String SAMPLE_DOC_JSON_SPEC =
"{\n"
+" \"Image\" : {\n"
+" \"Width\" : "+SAMPLE_SPEC_VALUE_WIDTH+",\n"
+" \"Height\" : "+SAMPLE_SPEC_VALUE_HEIGHT+","
+"\"Title\" : \""+SAMPLE_SPEC_VALUE_TITLE+"\",\n"
+" \"Thumbnail\" : {\n"
+" \"Url\" : \""+SAMPLE_SPEC_VALUE_TN_URL+"\",\n"
+"\"Height\" : "+SAMPLE_SPEC_VALUE_TN_HEIGHT+",\n"
+" \"Width\" : \""+SAMPLE_SPEC_VALUE_TN_WIDTH+"\"\n"
+" },\n"
+" \"IDs\" : ["+SAMPLE_SPEC_VALUE_TN_ID1+","+SAMPLE_SPEC_VALUE_TN_ID2+","+SAMPLE_SPEC_VALUE_TN_ID3+","+SAMPLE_SPEC_VALUE_TN_ID4+"]\n"
+" }"
+"}"
;
/*
/**********************************************************
/* Helper classes (beans)
/**********************************************************
*/
/**
* Sample class from Jackson tutorial ("JacksonInFiveMinutes")
*/
protected static class FiveMinuteUser {
public enum Gender { MALE, FEMALE };
public static class Name
{
private String _first, _last;
public Name() { }
public Name(String f, String l) {
_first = f;
_last = l;
}
public String getFirst() { return _first; }
public String getLast() { return _last; }
public void setFirst(String s) { _first = s; }
public void setLast(String s) { _last = s; }
@Override
public boolean equals(Object o)
{
if (o == this) return true;
if (o == null || o.getClass() != getClass()) return false;
Name other = (Name) o;
return _first.equals(other._first) && _last.equals(other._last);
}
}
private Gender _gender;
private Name _name;
private boolean _isVerified;
private byte[] _userImage;
public FiveMinuteUser() { }
public FiveMinuteUser(String first, String last, boolean verified, Gender g, byte[] data)
{
_name = new Name(first, last);
_isVerified = verified;
_gender = g;
_userImage = data;
}
public Name getName() { return _name; }
public boolean isVerified() { return _isVerified; }
public Gender getGender() { return _gender; }
public byte[] getUserImage() { return _userImage; }
public void setName(Name n) { _name = n; }
public void setVerified(boolean b) { _isVerified = b; }
public void setGender(Gender g) { _gender = g; }
public void setUserImage(byte[] b) { _userImage = b; }
@Override
public boolean equals(Object o)
{
if (o == this) return true;
if (o == null || o.getClass() != getClass()) return false;
FiveMinuteUser other = (FiveMinuteUser) o;
if (_isVerified != other._isVerified) return false;
if (_gender != other._gender) return false;
if (!_name.equals(other._name)) return false;
byte[] otherImage = other._userImage;
if (otherImage.length != _userImage.length) return false;
for (int i = 0, len = _userImage.length; i < len; ++i) {
if (_userImage[i] != otherImage[i]) {
return false;
}
}
return true;
}
}
/*
/**********************************************************
/* High-level helpers
/**********************************************************
*/
protected void verifyJsonSpecSampleDoc(JsonParser jp, boolean verifyContents)
throws IOException
{
verifyJsonSpecSampleDoc(jp, verifyContents, true);
}
protected void verifyJsonSpecSampleDoc(JsonParser jp, boolean verifyContents,
boolean requireNumbers)
throws IOException
{
if (!jp.hasCurrentToken()) {
jp.nextToken();
}
assertToken(JsonToken.START_OBJECT, jp.getCurrentToken()); // main object
assertToken(JsonToken.FIELD_NAME, jp.nextToken()); // 'Image'
if (verifyContents) {
verifyFieldName(jp, "Image");
}
assertToken(JsonToken.START_OBJECT, jp.nextToken()); // 'image' object
assertToken(JsonToken.FIELD_NAME, jp.nextToken()); // 'Width'
if (verifyContents) {
verifyFieldName(jp, "Width");
}
verifyIntToken(jp.nextToken(), requireNumbers);
if (verifyContents) {
verifyIntValue(jp, SAMPLE_SPEC_VALUE_WIDTH);
}
assertToken(JsonToken.FIELD_NAME, jp.nextToken()); // 'Height'
if (verifyContents) {
verifyFieldName(jp, "Height");
}
verifyIntToken(jp.nextToken(), requireNumbers);
if (verifyContents) {
verifyIntValue(jp, SAMPLE_SPEC_VALUE_HEIGHT);
}
assertToken(JsonToken.FIELD_NAME, jp.nextToken()); // 'Title'
if (verifyContents) {
verifyFieldName(jp, "Title");
}
assertToken(JsonToken.VALUE_STRING, jp.nextToken());
assertEquals(SAMPLE_SPEC_VALUE_TITLE, getAndVerifyText(jp));
assertToken(JsonToken.FIELD_NAME, jp.nextToken()); // 'Thumbnail'
if (verifyContents) {
verifyFieldName(jp, "Thumbnail");
}
assertToken(JsonToken.START_OBJECT, jp.nextToken()); // 'thumbnail' object
assertToken(JsonToken.FIELD_NAME, jp.nextToken()); // 'Url'
if (verifyContents) {
verifyFieldName(jp, "Url");
}
assertToken(JsonToken.VALUE_STRING, jp.nextToken());
if (verifyContents) {
assertEquals(SAMPLE_SPEC_VALUE_TN_URL, getAndVerifyText(jp));
}
assertToken(JsonToken.FIELD_NAME, jp.nextToken()); // 'Height'
if (verifyContents) {
verifyFieldName(jp, "Height");
}
verifyIntToken(jp.nextToken(), requireNumbers);
if (verifyContents) {
verifyIntValue(jp, SAMPLE_SPEC_VALUE_TN_HEIGHT);
}
assertToken(JsonToken.FIELD_NAME, jp.nextToken()); // 'Width'
if (verifyContents) {
verifyFieldName(jp, "Width");
}
// Width value is actually a String in the example
assertToken(JsonToken.VALUE_STRING, jp.nextToken());
if (verifyContents) {
assertEquals(SAMPLE_SPEC_VALUE_TN_WIDTH, getAndVerifyText(jp));
}
assertToken(JsonToken.END_OBJECT, jp.nextToken()); // 'thumbnail' object
assertToken(JsonToken.FIELD_NAME, jp.nextToken()); // 'IDs'
assertToken(JsonToken.START_ARRAY, jp.nextToken()); // 'ids' array
verifyIntToken(jp.nextToken(), requireNumbers); // ids[0]
if (verifyContents) {
verifyIntValue(jp, SAMPLE_SPEC_VALUE_TN_ID1);
}
verifyIntToken(jp.nextToken(), requireNumbers); // ids[1]
if (verifyContents) {
verifyIntValue(jp, SAMPLE_SPEC_VALUE_TN_ID2);
}
verifyIntToken(jp.nextToken(), requireNumbers); // ids[2]
if (verifyContents) {
verifyIntValue(jp, SAMPLE_SPEC_VALUE_TN_ID3);
}
verifyIntToken(jp.nextToken(), requireNumbers); // ids[3]
if (verifyContents) {
verifyIntValue(jp, SAMPLE_SPEC_VALUE_TN_ID4);
}
assertToken(JsonToken.END_ARRAY, jp.nextToken()); // 'ids' array
assertToken(JsonToken.END_OBJECT, jp.nextToken()); // 'image' object
assertToken(JsonToken.END_OBJECT, jp.nextToken()); // main object
}
private void verifyIntToken(JsonToken t, boolean requireNumbers)
{
if (t == JsonToken.VALUE_NUMBER_INT) {
return;
}
if (requireNumbers) { // to get error
assertToken(JsonToken.VALUE_NUMBER_INT, t);
}
// if not number, must be String
if (t != JsonToken.VALUE_STRING) {
fail("Expected INT or STRING value, got "+t);
}
}
protected void verifyFieldName(JsonParser jp, String expName)
throws IOException
{
assertEquals(expName, jp.getText());
assertEquals(expName, jp.getCurrentName());
}
protected void verifyIntValue(JsonParser jp, long expValue)
throws IOException
{
// First, via textual
assertEquals(String.valueOf(expValue), jp.getText());
}
/*
/**********************************************************
/* Parser/generator construction
/**********************************************************
*/
protected JsonParser createParserUsingReader(String input)
throws IOException, JsonParseException
{
return createParserUsingReader(new JsonFactory(), input);
}
protected JsonParser createParserUsingReader(JsonFactory f, String input)
throws IOException, JsonParseException
{
return f.createParser(new StringReader(input));
}
protected JsonParser createParserUsingStream(String input, String encoding)
throws IOException, JsonParseException
{
return createParserUsingStream(new JsonFactory(), input, encoding);
}
protected JsonParser createParserUsingStream(JsonFactory f,
String input, String encoding)
throws IOException, JsonParseException
{
/* 23-Apr-2008, tatus: UTF-32 is not supported by JDK, have to
* use our own codec too (which is not optimal since there's
* a chance both encoder and decoder might have bugs, but ones
* that cancel each other out or such)
*/
byte[] data;
if (encoding.equalsIgnoreCase("UTF-32")) {
data = encodeInUTF32BE(input);
} else {
data = input.getBytes(encoding);
}
InputStream is = new ByteArrayInputStream(data);
return f.createParser(is);
}
/*
/**********************************************************
/* Additional assertion methods
/**********************************************************
*/
protected void assertToken(JsonToken expToken, JsonToken actToken)
{
if (actToken != expToken) {
fail("Expected token "+expToken+", current token "+actToken);
}
}
protected void assertToken(JsonToken expToken, JsonParser jp)
{
assertToken(expToken, jp.getCurrentToken());
}
protected void assertType(Object ob, Class<?> expType)
{
if (ob == null) {
fail("Expected an object of type "+expType.getName()+", got null");
}
Class<?> cls = ob.getClass();
if (!expType.isAssignableFrom(cls)) {
fail("Expected type "+expType.getName()+", got "+cls.getName());
}
}
protected void verifyException(Throwable e, String... matches)
{
String msg = e.getMessage();
String lmsg = (msg == null) ? "" : msg.toLowerCase();
for (String match : matches) {
String lmatch = match.toLowerCase();
if (lmsg.indexOf(lmatch) >= 0) {
return;
}
}
fail("Expected an exception with one of substrings ("+Arrays.asList(matches)+"): got one with message \""+msg+"\"");
}
/**
* Method that gets textual contents of the current token using
* available methods, and ensures results are consistent, before
* returning them
*/
protected String getAndVerifyText(JsonParser jp)
throws IOException, JsonParseException
{
// Ok, let's verify other accessors
int actLen = jp.getTextLength();
char[] ch = jp.getTextCharacters();
String str2 = new String(ch, jp.getTextOffset(), actLen);
String str = jp.getText();
if (str.length() != actLen) {
fail("Internal problem (jp.token == "+jp.getCurrentToken()+"): jp.getText().length() ['"+str+"'] == "+str.length()+"; jp.getTextLength() == "+actLen);
}
assertEquals("String access via getText(), getTextXxx() must be the same", str, str2);
return str;
}
/*
/**********************************************************
/* And other helpers
/**********************************************************
*/
protected byte[] encodeInUTF32BE(String input)
{
int len = input.length();
byte[] result = new byte[len * 4];
int ptr = 0;
for (int i = 0; i < len; ++i, ptr += 4) {
char c = input.charAt(i);
result[ptr] = result[ptr+1] = (byte) 0;
result[ptr+2] = (byte) (c >> 8);
result[ptr+3] = (byte) c;
}
return result;
}
public String quote(String str) {
return '"'+str+'"';
}
protected void fieldNameFor(StringBuilder sb, int index)
{
/* let's do something like "f1.1" to exercise different
* field names (important for byte-based codec)
* Other name shuffling done mostly just for fun... :)
*/
sb.append(FIELD_BASENAME);
sb.append(index);
if (index > 50) {
sb.append('.');
if (index > 200) {
sb.append(index);
if (index > 4000) { // and some even longer symbols...
sb.append(".").append(index);
}
} else {
sb.append(index >> 3); // divide by 8
}
}
}
protected String fieldNameFor(int index)
{
StringBuilder sb = new StringBuilder(16);
fieldNameFor(sb, index);
return sb.toString();
}
}