Passing Parameters Through testng.xml and
@Parameters annotation
If you
need to pass some simple values such as
String types to the test methods at runtime, you can use this
approach of sending parameter values through TestNG XML configuration files.
You have to use the Parameters annotation for passing parameter values to the
test method.
@Parameters({
"param-name" })
Let’s write a simple example of passing parameters to test
methods through the XML configuration file.
In below test, we created a test
class with multiple methods that accepts parameters from TestNG. The parameter
values are set at both suite and test level in the testng XML file. Any
parameter value defined at the test level will override the value of a parameter,
with same name, if defined at suite level. You can see this in test three for
test method
prameterTestThree().
package
Others;
import
org.testng.annotations.Parameters;
import
org.testng.annotations.Test;
public class
parameter_TestNG {
/**
* Following method takes one parameter as
input. Value of the
* said parameter is defined at suite
level.
*/
@Parameters({ "suite-param" })
@Test
public void
prameterTestOne(String param) {
System.out.println("Test
one suite param is: " + param);
}
/**
* Following method takes one parameter as
input. Value of the
* said parameter is defined at test level.
*/
@Parameters({ "test-two-param" })
@Test
public void
prameterTestTwo(String param) {
System.out.println("Test
two param is: " + param);
}
/**
* Following method takes two parameters as
input. Value of the
* test parameter is defined at test level.
The suite level
* parameter is overridden at the test
level.
*/
@Parameters({ "suite-param", "test-three-param" })
@Test
public void
prameterTestThree(String param, String paramTwo) {
System.out.println("Test
three suite param is: " + param);
System.out.println("Test
three param is: " + paramTwo);
}
}
Testng.xml:
<suite name="Parameter test
Suite" verbose="1">
<!-- This parameter
will be passed to every test in this suite -->
<parameter name="suite-param" value="suite level parameter" />
<test name="Parameter Test one">
<classes>
<class name="Others.parameter_TestNG">
<methods>
<include name="prameterTestOne" />
</methods>
</class>
</classes>
</test>
<test name="Parameter Test two">
<!-- This parameter
will be passed this test only -->
<parameter name="test-two-param" value="Test two parameter" />
<classes>
<class name="Others.parameter_TestNG">
<methods>
<include name="prameterTestTwo" />
</methods>
</class>
</classes>
</test>
<test name="Parameter Test three">
<!-- Overriding suite
level parameter -->
<parameter name="suite-param" value="overiding suite parameter" />
<!-- Test specific
parameter -->
<parameter name="test-three-param" value="test three parameter" />
<classes>
<class name="Others.parameter_TestNG">
<methods>
<include name="prameterTestThree" />
</methods>
</class>
</classes>
</test>
</suite>
Output:
Test one suite param
is: suite level parameter
Test two param is:
Test two parameter
Test three suite
param is: overiding suite parameter
Test three param is:
test three parameter
===============================================
Parameter test Suite
Total tests run: 3,
Failures: 0, Skips: 0
===============================================
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