Difference between @BeforeTest and @BeforeMethod annotations

[abhi.uppala]

Hi,

I am new to TestNG and was going through the documentation at the
TestNG home page. The documentation is great and descriptive. Yet, I
am confused a bit. I would like to know the difference between
@BeforeTest and @BeforeMethod annotations.

Would be grateful for the help

Thanking You
Abhishek Uppala

[Karthik Krishnan]

@BeforeMethod is equivalent to JUnit's setUp method.

@BeforeTest is called once before execution of any test method

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[Cédric Beust ♔]

On Fri, Dec 11, 2009 at 12:19 AM, Karthik Krishnan <krishn...@gmail.com> wrote:

@BeforeMethod is equivalent to JUnit's setUp method.

@BeforeTest is called once before execution of any test method

More precisely, it's called before a <test> tag.

--

Cédric

[Gaurang shah]

@BeforeTest Will be called before any Test only.. ( not every method in a file is Test) while @BeforeMethod will be called before every method ( every Test is a method)


Gaurang

[Ed]

Interesting.....
Can you give a few examples to make this more clear?


Like I read it above then:
suppose my test method calls another public helper method...
Then, from what I understand from the above, the method marked as
@BeforeMethod should be called twice, and the method marked as
@BeforeTest should be called once...

Just did a test, and they are both called once...
What don't I understand here?


Ed

On Dec 11, 11:21 am, Gaurang shah <gaurangns...@gmail.com> wrote:
> @BeforeTest Will be called before any Test only.. ( not every method in a
> file is Test) while @BeforeMethod will be called before every method ( every
> Test is a method)
>
> Gaurang
>

> On Fri, Dec 11, 2009 at 11:10 AM, abhi.uppala <abhi.upp...@gmail.com> wrote:
> > Hi,
>
> > I am new to TestNG and was going through the documentation at the
> > TestNG home page. The documentation is great and descriptive. Yet, I
> > am confused a bit. I would like to know the difference between
> > @BeforeTest and @BeforeMethod annotations.
>
> > Would be grateful for the help
>
> > Thanking You
> > Abhishek Uppala
>
> > --
>
> > You received this message because you are subscribed to the Google Groups
> > "testng-users" group.
> > To post to this group, send email to testng...@googlegroups.com.
> > To unsubscribe from this group, send email to

> > testng-users...@googlegroups.com<testng-users%2Bunsu...@googlegroups.com>
> > .

[Ed]

Did some more thinking...
Could it be that @beforeMethod is called more in case the Test method
is configured through @Test that it should be called more then once
for example, because of the invocation configuration...??

[Cédric Beust ♔]

@BeforeMethod is invoked before each method with a @Test annotation.

@BeforeTest is invoked before a <test> tag.

<test>
  <classes>
    <class name="A" />  <-- contains tests a1() and a2()
    <class name="B" />   <-- contains tests b1() and b2()
  </classes>
</test>

In this case, you will see:

@BeforeTest
  @BeforeMethod
    a1()
  @AfterMethod
  @BeforeMethod
    a2()
  @AfterMethod
  @BeforeMethod
    b1()
  @AfterMethod
  @BeforeMethod
    b22()
  @AfterMethod
@AfterTest

Hope this clears things up.

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Cédric

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[Ed]

Ahhhhhh of course....
I confused the <test> with the @Test annotation.... :(

[abhi.uppala]

Thanks Cedric, your explanation has driven away all the confusion I
had.

Thanks
Abhishek Uppala

> ***Cédric
> *

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[Cédric Beust ♔]

On Mon, Dec 14, 2009 at 5:35 AM, abhi.uppala <abhi....@gmail.com> wrote:

Thanks Cedric, your explanation has driven away all the confusion I

had.

You're welcome, and you're not the first one to report this confusion, which I brought upon myself by introducing both @Test and <test>, but looking back, I'm not even sure if I would do things differently if I could (maybe call the tag <tests> instead of <test>?).

--

Cédric

[Krishnan Mahadevan]

If you are invoking your tests by selecting groups, please add alwaysRun=true to your configuration methods (@Before, @After) to have them called always.

Thanks & Regards
Krishnan Mahadevan

"All the desirable things in life are either illegal, expensive, fattening or in love with someone else!"
My Scribblings @ http://wakened-cognition.blogspot.com/

On Fri, Apr 19, 2013 at 2:55 PM, santhosh soma <santhos...@gmail.com> wrote:

Hi Cedric,

As per you,

1. Every @BeforeTest()  method in java class should invoke with respect to the <test> tag in testng.xml file
2.Every @BeforeMethod() method in java Class should invoke with respect to the @Test Annotation in java class


If the above what i mentioned is correct, Observed that @BeforeTest() method is not getting executed when <test> tag used <Group> mechanism.

Please help me and let me know if you need more details.

Thanks
Santhosh.

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[santhosh soma]

Thanks Krishna for Quick Response.

I know that to add the attribute "allwaysrun=true" to run Before/After for all the tests.

But i want to know the reason or internal implementation.

Thanks in Advance

Santhosh.

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[Nariga Rao]

Another question that is a bit confusing:

If both class A and B have  a @BeforeTest, then how are these executed?

In your example below,

@BeforeTest
  @BeforeMethod
    a1()
...

Is the @BeforeTest  the method defined in class A, or class B, or combined? Does the user have to ensure there is only @BeforeTest method in all the class files?
How does this work with @BeforeSuite? I am assuming @BeforeClass will be run before each class, and @BeforeMethod in each class run before @Test in *that* class file.

Thx,
Nariga

Thx,
nariga

[Krishnan Mahadevan]

It depends on which class is being executed by you. If you create a suite file in which both Class A and Class B are included then the @BeforeTest method in both the classes will be executed. 

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[ash...@agilelogics.co.uk]

A bit repetitive terms are included here but to make it clear: 

Method annotated as @BeforeTest in Class A will run before any method of Class A will run 

Method annotated as @AfterTest in Class A will run after all the methods of Class A have run

Method annotated as @BeforeTest in Class B will run before any method of Class B will run 

Method annotated as @AfterTest in Class B will run after all the methods of Class B have run

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[Cédric Beust ♔]

This is incorrect.

@BeforeTest / @AfterTest wrap all the methods in a <test> tag.

You are probably trying to describe @BeforeClass/@AfterClass.

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[Ashish Srivastava]

Hi Cedric,

So if Class A and Class B each have a method annotated @BeforeTest, do you mean both the methods will run

So if the class definition goes:

Class A {

@BeforeTest

public void setUpA(){

}

// rest of the members

}

Class B {

@BeforeTest

public void setUpB(){

}

// rest of the members

}

and testNg xml goes:

<test name="Nopackage" >

<classes>

<class name=“ClassA" />        <class name=“ClassB" />

</classes>

</test> then both methods setUpA() and setUp() will execute before any test is run from the given <test> tag? If so is their any order in which they will run? with regards, Ashish

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[Krishnan Mahadevan]

Yes, all the @BeforeTest annotated methods are going to be run before executing any @Test annotated test method that is part of the <test> tag.

The order of execution of these methods AFAIK is governed by your parallel attribute. 

Thanks & Regards
Krishnan Mahadevan

"All the desirable things in life are either illegal, expensive, fattening or in love with someone else!"
My Scribblings @ http://wakened-cognition.blogspot.com/

My Technical Scribbings @ http://rationaleemotions.wordpress.com/