Github user ham1 commented on a diff in the pull request:
https://github.com/apache/jmeter/pull/344#discussion_r153870336
--- Diff:
src/components/org/apache/jmeter/extractor/json/jsonpath/JSONPathAssertion.java
---
@@ -0,0 +1,218 @@
+/*
+ * 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.extractor.json.jsonpath;
+
+import com.jayway.jsonpath.JsonPath;
+import net.minidev.json.JSONArray;
+import net.minidev.json.JSONObject;
+import org.apache.jmeter.assertions.Assertion;
+import org.apache.jmeter.assertions.AssertionResult;
+import org.apache.jmeter.samplers.SampleResult;
+import org.apache.jmeter.testelement.AbstractTestElement;
+import org.apache.jmeter.util.JMeterUtils;
+import org.apache.oro.text.regex.Pattern;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.Serializable;
+import java.text.DecimalFormat;
+import java.util.Map;
+
+/**
+ * This is main class for JSONPath Assertion which verifies assertion on
+ * previous sample result using JSON path expression
+ */
+public class JSONPathAssertion extends AbstractTestElement implements
Serializable, Assertion {
+ private static final Logger log =
LoggerFactory.getLogger(JSONPostProcessor.class);
+ private static final long serialVersionUID = 1L;
+ public static final String JSONPATH = "JSON_PATH";
+ public static final String EXPECTEDVALUE = "EXPECTED_VALUE";
+ public static final String JSONVALIDATION = "JSONVALIDATION";
+ public static final String EXPECT_NULL = "EXPECT_NULL";
+ public static final String INVERT = "INVERT";
+ public static final String ISREGEX = "ISREGEX";
+
+ public static final DecimalFormat decimalFormatter = new
DecimalFormat("#.#");
+
+ static {
+ decimalFormatter.setMaximumFractionDigits(340); //
java.text.DecimalFormat.DOUBLE_FRACTION_DIGITS == 340
+ decimalFormatter.setMinimumFractionDigits(1);
+ }
+
+ public String getJsonPath() {
+ return getPropertyAsString(JSONPATH);
+ }
+
+ public void setJsonPath(String jsonPath) {
+ setProperty(JSONPATH, jsonPath);
+ }
+
+ public String getExpectedValue() {
+ return getPropertyAsString(EXPECTEDVALUE);
+ }
+
+ public void setExpectedValue(String expectedValue) {
+ setProperty(EXPECTEDVALUE, expectedValue);
+ }
+
+ public void setJsonValidationBool(boolean jsonValidation) {
+ setProperty(JSONVALIDATION, jsonValidation);
+ }
+
+ public void setExpectNull(boolean val) {
+ setProperty(EXPECT_NULL, val);
+ }
+
+ public boolean isExpectNull() {
+ return getPropertyAsBoolean(EXPECT_NULL);
+ }
+
+ public boolean isJsonValidationBool() {
+ return getPropertyAsBoolean(JSONVALIDATION);
+ }
+
+ public void setInvert(boolean invert) {
+ setProperty(INVERT, invert);
+ }
+
+ public boolean isInvert() {
+ return getPropertyAsBoolean(INVERT);
+ }
+
+ public void setIsRegex(boolean flag) {
+ setProperty(ISREGEX, flag);
+ }
+
+ public boolean isUseRegex() {
+ return getPropertyAsBoolean(ISREGEX, true);
+ }
+
+ private void doAssert(String jsonString) {
+ Object value = JsonPath.read(jsonString, getJsonPath());
+
+ if (isJsonValidationBool()) {
+ if (value instanceof JSONArray) {
+ if (arrayMatched((JSONArray) value)) {
+ return;
+ }
+ } else {
+ if (isExpectNull() && value == null) {
+ return;
+ } else if (isEquals(value)) {
+ return;
+ }
+ }
+
+ if (isExpectNull()) {
+ throw new RuntimeException(String.format("Value expected
to be null, but found '%s'", value));
+ } else {
+ String msg;
+ if (isUseRegex()) {
+ msg="Value expected to match regexp '%s', but it did
not match: '%s'";
+ } else {
+ msg="Value expected to be '%s', but found '%s'";
+ }
+ throw new RuntimeException(String.format(msg,
getExpectedValue(), objectToString(value)));
+ }
+ }
+ }
+
+ private boolean arrayMatched(JSONArray value) {
+ if (value.isEmpty() && getExpectedValue().equals("[]")) {
--- End diff --
Would this work with both regex on and off? I'm probably wrong but if you
were looking for `[]` with a regex it would be `\[\]`?
---
