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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jmeter.assertions;
import java.io.Serializable;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;
import org.apache.jmeter.assertions.gui.AssertionGui;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.testelement.AbstractScopedAssertion;
import org.apache.jmeter.testelement.property.CollectionProperty;
import org.apache.jmeter.testelement.property.IntegerProperty;
import org.apache.jmeter.testelement.property.JMeterProperty;
import org.apache.jmeter.testelement.property.NullProperty;
import org.apache.jmeter.testelement.property.StringProperty;
import org.apache.jmeter.util.Document;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.oro.text.MalformedCachePatternException;
import org.apache.oro.text.regex.Pattern;
import org.apache.oro.text.regex.Perl5Compiler;
import org.apache.oro.text.regex.Perl5Matcher;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Test element to handle Response Assertions.
* See {@link AssertionGui} for GUI.
*/
public class ResponseAssertion extends AbstractScopedAssertion implements Serializable, Assertion {
private static final Logger log = LoggerFactory.getLogger(ResponseAssertion.class);
private static final long serialVersionUID = 242L;
private static final String TEST_FIELD = "Assertion.test_field"; // $NON-NLS-1$
// Values for TEST_FIELD
// N.B. we cannot change the text value as it is in test plans
private static final String SAMPLE_URL = "Assertion.sample_label"; // $NON-NLS-1$
private static final String RESPONSE_DATA = "Assertion.response_data"; // $NON-NLS-1$
private static final String RESPONSE_DATA_AS_DOCUMENT = "Assertion.response_data_as_document"; // $NON-NLS-1$
private static final String RESPONSE_CODE = "Assertion.response_code"; // $NON-NLS-1$
private static final String RESPONSE_MESSAGE = "Assertion.response_message"; // $NON-NLS-1$
private static final String RESPONSE_HEADERS = "Assertion.response_headers"; // $NON-NLS-1$
private static final String REQUEST_HEADERS = "Assertion.request_headers"; // $NON-NLS-1$
private static final String REQUEST_DATA = "Assertion.request_data"; // $NON-NLS-1$
private static final String ASSUME_SUCCESS = "Assertion.assume_success"; // $NON-NLS-1$
private static final String TEST_STRINGS = "Asserion.test_strings"; // $NON-NLS-1$
private static final String TEST_TYPE = "Assertion.test_type"; // $NON-NLS-1$
private static final String CUSTOM_MESSAGE = "Assertion.custom_message"; // $NON-NLS-1$
/**
* Mask values for TEST_TYPE
* they are mutually exclusive
*/
private static final int MATCH = 1; // 1 << 0; // NOSONAR We want this comment
private static final int CONTAINS = 1 << 1;
private static final int NOT = 1 << 2;
private static final int EQUALS = 1 << 3;
private static final int SUBSTRING = 1 << 4;
private static final int OR = 1 << 5;
// Mask should contain all types (but not NOT nor OR)
private static final int TYPE_MASK = CONTAINS | EQUALS | MATCH | SUBSTRING;
private static final int EQUALS_SECTION_DIFF_LEN
= JMeterUtils.getPropDefault("assertion.equals_section_diff_len", 100);
/** Signifies truncated text in diff display. */
private static final String EQUALS_DIFF_TRUNC = "...";
private static final String RECEIVED_STR = "****** received : ";
private static final String COMPARISON_STR = "****** comparison: ";
private static final String DIFF_DELTA_START
= JMeterUtils.getPropDefault("assertion.equals_diff_delta_start", "[[[");
private static final String DIFF_DELTA_END
= JMeterUtils.getPropDefault("assertion.equals_diff_delta_end", "]]]");
public ResponseAssertion() {
setProperty(new CollectionProperty(TEST_STRINGS, new ArrayList()));
}
@Override
public void clear() {
super.clear();
setProperty(new CollectionProperty(TEST_STRINGS, new ArrayList()));
}
private void setTestField(String testField) {
setProperty(TEST_FIELD, testField);
}
public void setTestFieldURL(){
setTestField(SAMPLE_URL);
}
public void setTestFieldResponseCode(){
setTestField(RESPONSE_CODE);
}
public void setTestFieldResponseData(){
setTestField(RESPONSE_DATA);
}
public void setTestFieldResponseDataAsDocument(){
setTestField(RESPONSE_DATA_AS_DOCUMENT);
}
public void setTestFieldResponseMessage(){
setTestField(RESPONSE_MESSAGE);
}
public void setTestFieldResponseHeaders(){
setTestField(RESPONSE_HEADERS);
}
public void setTestFieldRequestHeaders() {
setTestField(REQUEST_HEADERS);
}
public void setTestFieldRequestData() {
setTestField(REQUEST_DATA);
}
public void setCustomFailureMessage(String customFailureMessage) {
setProperty(CUSTOM_MESSAGE, customFailureMessage);
}
public String getCustomFailureMessage() {
return getPropertyAsString(CUSTOM_MESSAGE);
}
public boolean isTestFieldURL(){
return SAMPLE_URL.equals(getTestField());
}
public boolean isTestFieldResponseCode(){
return RESPONSE_CODE.equals(getTestField());
}
public boolean isTestFieldResponseData(){
return RESPONSE_DATA.equals(getTestField());
}
public boolean isTestFieldResponseDataAsDocument() {
return RESPONSE_DATA_AS_DOCUMENT.equals(getTestField());
}
public boolean isTestFieldResponseMessage(){
return RESPONSE_MESSAGE.equals(getTestField());
}
public boolean isTestFieldResponseHeaders(){
return RESPONSE_HEADERS.equals(getTestField());
}
public boolean isTestFieldRequestHeaders(){
return REQUEST_HEADERS.equals(getTestField());
}
public boolean isTestFieldRequestData(){
return REQUEST_DATA.equals(getTestField());
}
private void setTestType(int testType) {
setProperty(new IntegerProperty(TEST_TYPE, testType));
}
private void setTestTypeMasked(int testType) {
int value = getTestType() & ~TYPE_MASK | testType;
setProperty(new IntegerProperty(TEST_TYPE, value));
}
public void addTestString(String testString) {
getTestStrings().addProperty(new StringProperty(String.valueOf(testString.hashCode()), testString));
}
public void clearTestStrings() {
getTestStrings().clear();
}
@Override
public AssertionResult getResult(SampleResult response) {
return evaluateResponse(response);
}
public String getTestField() {
return getPropertyAsString(TEST_FIELD);
}
public int getTestType() {
JMeterProperty type = getProperty(TEST_TYPE);
if (type instanceof NullProperty) {
return CONTAINS;
}
return type.getIntValue();
}
public CollectionProperty getTestStrings() {
return (CollectionProperty) getProperty(TEST_STRINGS);
}
public boolean isEqualsType() {
return (getTestType() & EQUALS) != 0;
}
public boolean isSubstringType() {
return (getTestType() & SUBSTRING) != 0;
}
public boolean isContainsType() {
return (getTestType() & CONTAINS) != 0;
}
public boolean isMatchType() {
return (getTestType() & MATCH) != 0;
}
public boolean isNotType() {
return (getTestType() & NOT) != 0;
}
public boolean isOrType() {
return (getTestType() & OR) != 0;
}
public void setToContainsType() {
setTestTypeMasked(CONTAINS);
}
public void setToMatchType() {
setTestTypeMasked(MATCH);
}
public void setToEqualsType() {
setTestTypeMasked(EQUALS);
}
public void setToSubstringType() {
setTestTypeMasked(SUBSTRING);
}
public void setToNotType() {
setTestType(getTestType() | NOT);
}
public void unsetNotType() {
setTestType(getTestType() & ~NOT);
}
public void setToOrType() {
setTestType(getTestType() | OR);
}
public void unsetOrType() {
setTestType(getTestType() & ~OR);
}
public boolean getAssumeSuccess() {
return getPropertyAsBoolean(ASSUME_SUCCESS, false);
}
public void setAssumeSuccess(boolean b) {
setProperty(ASSUME_SUCCESS, b);
}
/**
* Make sure the response satisfies the specified assertion requirements.
*
* @param response an instance of SampleResult
* @return an instance of AssertionResult
*/
private AssertionResult evaluateResponse(SampleResult response) {
AssertionResult result = new AssertionResult(getName());
if (getAssumeSuccess()) {
response.setSuccessful(true);// Allow testing of failure codes
}
String toCheck = getStringToCheck(response);
result.setFailure(false);
result.setError(false);
int testType = getTestType();
boolean notTest = (NOT & testType) > 0;
boolean orTest = (OR & testType) > 0;
boolean contains = isContainsType(); // do it once outside loop
boolean equals = isEqualsType();
boolean substring = isSubstringType();
boolean matches = isMatchType();
log.debug("Test Type Info: contains={}, notTest={}, orTest={}", contains, notTest, orTest);
if (StringUtils.isEmpty(toCheck)) {
if (notTest) { // Not should always succeed against an empty result
return result;
}
if (log.isDebugEnabled()) {
log.debug("Not checking empty response field in: {}", response.getSampleLabel());
}
return result.setResultForNull();
}
try {
// Get the Matcher for this thread
Perl5Matcher localMatcher = JMeterUtils.getMatcher();
boolean hasTrue = false;
List allCheckMessage = new ArrayList<>();
for (JMeterProperty jMeterProperty : getTestStrings()) {
String stringPattern = jMeterProperty.getStringValue();
Pattern pattern = null;
if (contains || matches) {
pattern = JMeterUtils.getPatternCache().getPattern(stringPattern, Perl5Compiler.READ_ONLY_MASK);
}
boolean found;
if (contains) {
found = localMatcher.contains(toCheck, pattern);
} else if (equals) {
found = toCheck.equals(stringPattern);
} else if (substring) {
found = toCheck.contains(stringPattern);
} else {
found = localMatcher.matches(toCheck, pattern);
}
boolean pass = notTest ? !found : found;
if (orTest) {
if (!pass) {
log.debug("Failed: {}", stringPattern);
allCheckMessage.add(getFailText(stringPattern, toCheck));
} else {
hasTrue=true;
break;
}
} else {
if (!pass) {
log.debug("Failed: {}", stringPattern);
result.setFailure(true);
String customMsg = getCustomFailureMessage();
if (StringUtils.isEmpty(customMsg)) {
result.setFailureMessage(getFailText(stringPattern, toCheck));
} else {
result.setFailureMessage(customMsg);
}
break;
}
log.debug("Passed: {}", stringPattern);
}
}
if (orTest && !hasTrue){
result.setFailure(true);
String customMsg = getCustomFailureMessage();
if (StringUtils.isEmpty(customMsg)) {
result.setFailureMessage(
allCheckMessage.stream()
.collect(Collectors.joining("\t", "", "\t")));
} else {
result.setFailureMessage(customMsg);
}
}
} catch (MalformedCachePatternException e) {
result.setError(true);
result.setFailure(false);
result.setFailureMessage("Bad test configuration " + e);
}
return result;
}
private String getStringToCheck(SampleResult response) {
String toCheck; // The string to check (Url or data)
// What are we testing against?
if (isScopeVariable()){
toCheck = getThreadContext().getVariables().get(getVariableName());
} else if (isTestFieldResponseData()) {
toCheck = response.getResponseDataAsString(); // (bug25052)
} else if (isTestFieldResponseDataAsDocument()) {
toCheck = Document.getTextFromDocument(response.getResponseData());
} else if (isTestFieldResponseCode()) {
toCheck = response.getResponseCode();
} else if (isTestFieldResponseMessage()) {
toCheck = response.getResponseMessage();
} else if (isTestFieldRequestHeaders()) {
toCheck = response.getRequestHeaders();
} else if (isTestFieldRequestData()) {
toCheck = response.getSamplerData();
} else if (isTestFieldResponseHeaders()) {
toCheck = response.getResponseHeaders();
} else { // Assume it is the URL
toCheck = "";
final URL url = response.getURL();
if (url != null){
toCheck = url.toString();
}
}
return toCheck;
}
/**
* Generate the failure reason from the TestType
*
* @param stringPattern
* @return the message for the assertion report
*/
private String getFailText(String stringPattern, String toCheck) {
StringBuilder sb = new StringBuilder(200);
sb.append("Test failed: ");
if (isScopeVariable()){
sb.append("variable(").append(getVariableName()).append(')');
} else if (isTestFieldResponseData()) {
sb.append("text");
} else if (isTestFieldResponseCode()) {
sb.append("code");
} else if (isTestFieldResponseMessage()) {
sb.append("message");
} else if (isTestFieldRequestHeaders()) {
sb.append("request headers");
} else if (isTestFieldRequestData()) {
sb.append("request data");
} else if (isTestFieldResponseHeaders()) {
sb.append("headers");
} else if (isTestFieldResponseDataAsDocument()) {
sb.append("document");
} else // Assume it is the URL
{
sb.append("URL");
}
switch (getTestType()) {
case CONTAINS:
case SUBSTRING:
sb.append(" expected to contain ");
break;
case NOT | CONTAINS:
case NOT | SUBSTRING:
sb.append(" expected not to contain ");
break;
case MATCH:
sb.append(" expected to match ");
break;
case NOT | MATCH:
sb.append(" expected not to match ");
break;
case EQUALS:
sb.append(" expected to equal ");
break;
case NOT | EQUALS:
sb.append(" expected not to equal ");
break;
default:// should never happen...
sb.append(" expected something using ");
}
sb.append("/");
if (isEqualsType()){
sb.append(equalsComparisonText(toCheck, stringPattern));
} else {
sb.append(stringPattern);
}
sb.append("/");
return sb.toString();
}
private static String trunc(final boolean right, final String str) {
if (str.length() <= EQUALS_SECTION_DIFF_LEN) {
return str;
} else if (right) {
return str.substring(0, EQUALS_SECTION_DIFF_LEN) + EQUALS_DIFF_TRUNC;
} else {
return EQUALS_DIFF_TRUNC + str.substring(str.length() - EQUALS_SECTION_DIFF_LEN);
}
}
/**
* Returns some helpful logging text to determine where equality between two strings
* is broken, with one pointer working from the front of the strings and another working
* backwards from the end.
*
* @param received String received from sampler.
* @param comparison String specified for "equals" response assertion.
* @return Two lines of text separated by newlines, and then forward and backward pointers
* denoting first position of difference.
*/
private static StringBuilder equalsComparisonText(final String received, final String comparison)
{
final int recLength = received.length();
final int compLength = comparison.length();
final int minLength = Math.min(recLength, compLength);
final StringBuilder text = new StringBuilder(Math.max(recLength, compLength) * 2);
int firstDiff;
for (firstDiff = 0; firstDiff < minLength; firstDiff++) {
if (received.charAt(firstDiff) != comparison.charAt(firstDiff)){
break;
}
}
final String startingEqSeq;
if (firstDiff == 0) {
startingEqSeq = "";
} else {
startingEqSeq = trunc(false, received.substring(0, firstDiff));
}
int lastRecDiff = recLength - 1;
int lastCompDiff = compLength - 1;
while ((lastRecDiff > firstDiff) && (lastCompDiff > firstDiff)
&& received.charAt(lastRecDiff) == comparison.charAt(lastCompDiff))
{
lastRecDiff--;
lastCompDiff--;
}
String compDeltaSeq;
String endingEqSeq = trunc(true, received.substring(lastRecDiff + 1, recLength));
String recDeltaSeq;
if (endingEqSeq.length() == 0) {
recDeltaSeq = trunc(true, received.substring(firstDiff, recLength));
compDeltaSeq = trunc(true, comparison.substring(firstDiff, compLength));
} else {
recDeltaSeq = trunc(true, received.substring(firstDiff, lastRecDiff + 1));
compDeltaSeq = trunc(true, comparison.substring(firstDiff, lastCompDiff + 1));
}
final StringBuilder pad = new StringBuilder(Math.abs(recDeltaSeq.length() - compDeltaSeq.length()));
for (int i = 0; i < pad.capacity(); i++){
pad.append(' ');
}
if (recDeltaSeq.length() > compDeltaSeq.length()){
compDeltaSeq += pad.toString();
} else {
recDeltaSeq += pad.toString();
}
text.append("\n\n");
text.append(RECEIVED_STR);
text.append(startingEqSeq);
text.append(DIFF_DELTA_START);
text.append(recDeltaSeq);
text.append(DIFF_DELTA_END);
text.append(endingEqSeq);
text.append("\n\n");
text.append(COMPARISON_STR);
text.append(startingEqSeq);
text.append(DIFF_DELTA_START);
text.append(compDeltaSeq);
text.append(DIFF_DELTA_END);
text.append(endingEqSeq);
text.append("\n\n");
return text;
}
}
