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/**
 * This custom assertion compares JSON with expected data using JSONAssert.
 */
public class JSONAssertion implements MunitAssertion {

private Object expected;
// [...]

public JSONAssertion(final Object expected) {
    super();

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public static final String REGEX_FIND_STRINGS = // also properly handles escaped strings
    "([^"\\]*(\\.[^"\\]*)*)"|\'([^\'\\]*(\\.[^\'\\]*)*)\'";
public static final String REGEX_FIND_DATES = // matches most common date formats
    "((?:\\d{4,4}[-/.]\\d\\d[-/.]\\d\\d|\\d\\d[-/.]\\d\\d[-/.]\\d{4,4})[T ]\\d\\d:\\d\\d:\\d\\d(?:\\.\\d{1,3})?(?:Z|[+-]\\d\\d:?\\d\\d)?)";
public static final String REGEX_FIND_JAVA_DATES = // matches default Date.toString() output
    "((?:Mon|Tue|Wed|Thu|Fri|Sat|Sun) (?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \\d\\d \\d\\d:\\d\\d:\\d\\d [^ ]+ \\d\\d\\d\\d)";
public static final String FIND_JAVA_IDS = // matches Java IDs (replace with "$100000000" to preserve class information)
    "(?:(\\w+\\[?@)[0123456789abcdef]+)";

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<munit:assert-true 
    condition="#[jsonAssert('sample_data/steps/cart-before-add.json').check(flowVars.cart)]" 
    doc:name="JSONassert cart-before-add.json"/>

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<configuration doc:name="Configuration">
    <!-- [...] -->
    <expression-language>
      <!-- [...] -->
      <import class="com.ricston.munit.assertion.JSONAssertion"/>
      <!-- [...] -->
      def jsonAssert(file) {
        return new JSONAssertion(getResource(file).asString());
      }

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<dependency>
  <groupId>org.skyscreamer</groupId>
  <artifactId>jsonassert</artifactId>
  <version>1.5.0</version>
  <scope>test</scope>
  <exclusions>
    <exclusion>
      <groupId>com.vaadin.external.google</groupId>
      <artifactId>json-android</artifactId>
    </exclusion>

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// [...]
public class MockInterceptor implements MuleContextAware {

    //[...]
    public MessageProcessorBehavior aroundGetBetterMatchingBehavior(final ProceedingJoinPoint joinPoint) throws Throwable {
        if (joinPoint.getTarget() instanceof MessageProcessorManager == false
                        || joinPoint.getArgs()[0] instanceof MessageProcessorCall == false) {
            throw new IllegalArgumentException(
                "MockInterceptor needs signature MessageProcessorManager.getBetterMatchingBehavior(*)");
            // or better log and return joinPoint.proceed(); ?

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<spring:beans>
  <!-- [...] -->
  <spring:bean
    id="interceptMockAdvice"
    class="com.ricston.munit.mock.MockInterceptor">
    <property name="triggerExpression" value="#[true]"/>
  </spring:bean>
  <aop:config>
    <aop:aspect
      id="interceptMockAspect"

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{
	"id": #[flowVars.currentTestId],
	"name": "item #[flowVars.currentTestId]",
	"price": 6.9,
	"_links": {
		"self": {
			"href": "http://localhost:8082/api/products/#[flowVars.currentTestId]"
		},
		"product": {
			"href": "http://localhost:8082/api/products/#[flowVars.currentTestId]"

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/*
 * © 2019 Ricston Ltd is protected under international copyright law. The software in this package
 * is published under the terms of the Ricston End User Licensing Agreement (EULA), a copy of which
 * has been included with this distribution in the LICENSE.md file.
 */

package com.ricston.munit.mock;

import static org.mule.api.transport.PropertyScope.INBOUND;

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def isHttpBroken() {
  return (message.inboundProperties.'http.status' >= 400); // or better
} 

def errorMessage(pmessage, pwhateveryouneed) {
  if (isHttpBroken()) { // would need to add expected here as well
    flowVars.errorContainer.message = pmessage;
    flowVars.errorContainer.httpStatus = message.inboundProperties.'http.status';
    flowVars.errorContainer.httpReason = message.inboundProperties.'http.reason';
    flowVars.errorContainer.payload = message.payloadAs(java.lang.String);