package com.jayway.jsonassert.impl;
import com.jayway.jsonassert.JsonAsserter;
import com.jayway.jsonpath.Configuration;
import com.jayway.jsonpath.JsonPath;
import com.jayway.jsonpath.PathNotFoundException;
import org.hamcrest.Matcher;
import static java.lang.String.format;
import static org.hamcrest.Matchers.*;
public class JsonAsserterImpl implements JsonAsserter {
private final Object jsonObject;
/**
* Instantiates a new JSONAsserter
*
* @param jsonObject the object to make asserts on
*/
public JsonAsserterImpl(Object jsonObject) {
this.jsonObject = jsonObject;
}
/**
* {@inheritDoc}
*/
@SuppressWarnings("unchecked")
public <T> JsonAsserter assertThat(String path, Matcher<T> matcher) {
T obj = null;
try {
obj = JsonPath.<T>read(jsonObject, path);
} catch (Exception e) {
throw new AssertionError(String.format("Error reading JSON path [%s]", path), e);
}
if (!matcher.matches(obj)) {
throw new AssertionError(String.format("JSON path [%s] doesn't match.\nExpected:\n%s\nActual:\n%s", path, matcher.toString(), obj));
}
return this;
}
/**
* {@inheritDoc}
*/
@SuppressWarnings("unchecked")
public <T> JsonAsserter assertThat(String path, Matcher<T> matcher, String message) {
T obj = JsonPath.<T>read(jsonObject, path);
if (!matcher.matches(obj)) {
throw new AssertionError(String.format("JSON Assert Error: %s\nExpected:\n%s\nActual:\n%s", message, matcher.toString(), obj));
}
return this;
}
/**
* {@inheritDoc}
*/
public <T> JsonAsserter assertEquals(String path, T expected) {
return assertThat(path, equalTo(expected));
}
/**
* {@inheritDoc}
*/
public JsonAsserter assertNotDefined(String path) {
try {
Configuration c = Configuration.defaultConfiguration();
JsonPath.using(c).parse(jsonObject).read(path);
throw new AssertionError(format("Document contains the path <%s> but was expected not to.", path));
} catch (PathNotFoundException e) {
}
return this;
}
@Override
public JsonAsserter assertNotDefined(String path, String message) {
try {
Configuration c = Configuration.defaultConfiguration();
JsonPath.using(c).parse(jsonObject).read(path);
throw new AssertionError(format("Document contains the path <%s> but was expected not to.", path));
} catch (PathNotFoundException e) {
}
return this;
}
/**
* {@inheritDoc}
*/
public JsonAsserter assertNull(String path) {
return assertThat(path, nullValue());
}
@Override
public JsonAsserter assertNull(String path, String message) {
return assertThat(path, nullValue(), message);
}
@Override
public <T> JsonAsserter assertEquals(String path, T expected, String message) {
return null; //To change body of implemented methods use File | Settings | File Templates.
}
/**
* {@inheritDoc}
*/
public <T> JsonAsserter assertNotNull(String path) {
return assertThat(path, notNullValue());
}
@Override
public <T> JsonAsserter assertNotNull(String path, String message) {
return assertThat(path, notNullValue(), message);
}
/**
* {@inheritDoc}
*/
public JsonAsserter and() {
return this;
}
}