functions for test automation in java with examples

In this article you will have access to a huge number of reusable functions for test automation in java with examples. This can be considered as your bible for all of your needs.

We will divide them in to multiple categories as below

String manipulation
Date and time
Number manipulation
Currency related

Remember that you can customize all the functions written in this article for your own needs. One of our assumption is that we are writing all the methods in a class by name “CM”. The methods have static scope, which allows you to call the methods without creating an object.

String manipulation functions for test automation in java

1. Iterate through all pattern matches in a string and replace with a given string

Purpose: This method is generally used when we want to replace a certain pattern of words in a string with different string or value. You can customize this code to your needs.
Code:

public static String rep(String input,String pattern,HashMap<String,String> repVals)

{

Pattern patt = Pattern.compile(pattern);

Matcher m = patt.matcher(input);

String retVal = input;

while(m.find())

{

String temp = m.group(0);

String newValue = "";

if(repVals.containsKey(temp))

newValue = repVals.get(temp).toString();

retVal = retVal.replace(temp,newValue );

}

return retVal;

}

Example: If i want to replace all words which look like {{var1}} , {{var2}} etc with a certain value, then you can use above method as below

public static void main(String rs[])

{

String ip = "This PO {{var1}} has order of value {{var2}}";

// generally this is generated from some other code.

//for demonstration purpose we are creating it here.

HashMap<String,String> reps = new HashMap<String,String>();

reps.put("{{var1}}","1234");

reps.put("{{var2}}","100 USD");

//now call the method

//CM below is the class name and contains the

//reusable methods declared in static scope.

String transformedString = CM.rep(ip,"[a-zA-Z]+[0-9]+",reps);

System.out.println(transformedString);

}

Date & Time functions for test automation in java

1. Function to get current date in a specific format

Purpose: Generally in a test case you might want to enter today’s date in an input field. You can get date using below method.
Code:

public static String today(String format)

{

Date date=java.util.Calendar.getInstance().getTime();

// example format: "dd-MMM-YYYY HH:mm:ss"

SimpleDateFormat formatter = new SimpleDateFormat(format);

String dt = formatter.format(date);

return dt;

}

Example: You need to test a scenario where you need to provide today’s date as a product received date and continue the test case.

public static void main(String rs[])

{

System.out.println(CM.today("dd-MMM-YYYY"));

}

Srinivas P

Founder of TestingTools.co, constantly shares knowledge on different test automation tools. Has experience in building proof of concepts, solutions, frameworks, platforms & implementation of test automation projects.

In pursuit of building a platform with inbuilt framework and reusable components for Oracle Cloud applications ( Oracle HCM, CX, SCM, Financials clouds, Salesforce and other cloud applications )

Major accomplishments in his career:

Product architect and development manager for test automation platforms

Oracle Flow Builder @ Oracle
CloudTestr @ Suneratech

2 times to oracle open world
More than 20 successful POCs ( Proof of concepts )
100 demos
Designed pricing models.
Trained more than 50 members.
Built more than 100 re-usable functions.

Worked with tools:

OATS – Oracle applications testing suite
Selenium + Java / C#
Protractor
NightwatchJS
CodedUI
PyWinAuto

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functions for test automation in java with examples

String manipulation functions for test automation in java

Date & Time functions for test automation in java

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functions for test automation in java with examples

String manipulation functions for test automation in java

Date & Time functions for test automation in java

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