com.exactpro.sf.aml.scriptutil.MessageCount Maven / Gradle / Ivy
/******************************************************************************
* Copyright 2009-2018 Exactpro (Exactpro Systems Limited)
*
* Licensed 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 com.exactpro.sf.aml.scriptutil;
import java.util.regex.Pattern;
import com.exactpro.sf.common.util.Range;
public class MessageCount {
protected static final Pattern EXPRESSION_PATTERN;
static {
String operationRegex = "(>|<|>=|<=|=|\\!=)";
String arithmeticOperationRegex = "(\\+|\\-|\\*|\\/)";
String referenceRegex = "(\\$\\{\\w+([.:]\\w+(\\[\\d+\\])?)+\\})";
String valueOrReference = "(\\d+|" + referenceRegex + ")";
String arithmeticReferenceRegex = "\\(?" + referenceRegex + "(" + arithmeticOperationRegex + valueOrReference +")*\\)?";
String valueOrReferenceRegex = "(\\d+|" + arithmeticReferenceRegex + ")";
String functionRegex = "(#\\{(Expected(Any|Empty)?)\\(.*?\\)(\\.(Bug(Any|Empty)?|Actual|validate)\\(.*?\\))*\\})";
EXPRESSION_PATTERN = Pattern.compile("^("
+ operationRegex + "?"
+ valueOrReferenceRegex
+ ")|("
+ "[\\(\\[]"
+ valueOrReferenceRegex
+ "\\.\\."
+ valueOrReferenceRegex
+ "[\\)\\]]"
+ ")|("
+ functionRegex
+ ")$"
);
}
enum Operation {
equals("="),
notEquals("!="),
greater(">"),
greaterOrEquals(">="),
less("<"),
lessOrEquals("<=");
private final String value;
Operation(String s)
{
this.value = s;
}
public String getValue() {
return value;
}
}
private int count;
private Range range;
private Operation operation;
private MessageCount(int count, Operation op) {
this.count = count;
this.operation = op;
}
private MessageCount(Range range) {
this.range = range;
}
/**
* @param value input value, which is the number. May be with prefix =, !=, <..
* @return MessageCount instance or null, if input value is incorrect
*/
public static MessageCount fromString(String value) {
MessageCount mc;
if((mc = parse(value, Operation.equals)) != null) {
return mc;
}
if((mc = parse(value, Operation.notEquals)) != null) {
return mc;
}
if((mc = parse(value, Operation.greaterOrEquals)) != null) {
return mc;
}
if((mc = parse(value, Operation.greater)) != null) {
return mc;
}
if((mc = parse(value, Operation.lessOrEquals)) != null) {
return mc;
}
if((mc = parse(value, Operation.less)) != null) {
return mc;
}
if (isInterval(value)){
Range range = Range.newInstance(value);
return new MessageCount(range);
}
try {
int i = Integer.parseInt(value);
if(i >= 0) {
return new MessageCount(i, Operation.equals);
}
} catch (NumberFormatException ignore){}
return mc;
}
protected static boolean isInterval(String value){
String trimValue = value.replace(" ", "");
return trimValue.matches("(\\[|\\()?\\d+(\\.\\.|\\-)\\d+(\\]|\\))?");
}
public static void main(String[] args)
{
System.out.println(isValidExpression("#{ExpectedAny(1).BugAny('zzz', 2)}"));
}
public static boolean isValidExpression(String value)
{
String trimValue = value.replaceAll(" ", "");
return EXPRESSION_PATTERN.matcher(trimValue).matches();
}
private static MessageCount parse(String s, Operation op) {
String str = s.trim();
if (str.startsWith(op.getValue())) {
str = str.substring(op.getValue().length());
str = str.trim(); // handle '> 10'
try{
int count = Integer.parseInt(str);
if(count >= 0) {
return new MessageCount(count, op);
}
} catch (NumberFormatException ex) {
return null;
}
}
return null;
}
/**
* @return count or 0, if input value is interval
*/
public int getCount() {
return count;
}
public Operation getOperation() {
return operation;
}
/**
* Check that argument against expected message count.
* @param i actual number of messages
* @return comparison between actual and expected number of messages
*/
public boolean checkInt(int i)
{
if(range == null) {
switch(operation) {
case equals:
return i == count;
case greater:
return i > count;
case greaterOrEquals:
return i >= count;
case less:
return i < count;
case lessOrEquals:
return i <= count;
case notEquals:
return i != count;
default:
return false;
}
} else{
return range.contain(i);
}
}
@Override
public String toString() {
return range == null ? (operation != Operation.equals ? operation.getValue() : "") + count : range.toString();
}
}