Wednesday 17 October 2012

How to rerun failed testcases using testng.



If you want automatically rerun your failed testcases after completion,then use below approach:
Note:i think you know that whenever testcase is failed in testng,it creates a "testng-failed.xml" for failed testcases.

1)if you want to rerun automatically only failed testcases then you need modify pom.xml.
2) Run time you need to change testng.xml file path to "testng-failed.xml" in pom.xml.This you can do using any script language.I have done same using batch script.
Below is the batch script for same:

setlocal enabledelayedexpansion
set INTEXTFILE=pom.xml
set OUTTEXTFILE=pom_out.txt
set SEARCHTEXT=src/main/resources/testng.xml
set REPLACETEXT=target/failsafe-reports/testng-failed.xml
set OUTPUTLINE=

call mvn integration-test


for /f "tokens=1,* delims=¶" %%A in ( '"type %INTEXTFILE%"') do (
SET string=%%A
SET modified=!string:%SEARCHTEXT%=%REPLACETEXT%!

echo !modified! >> %OUTTEXTFILE%
)
del %INTEXTFILE%
rename %OUTTEXTFILE% %INTEXTFILE%

call mvn integration-test

for /f "tokens=1,* delims=¶" %%A in ( '"type %INTEXTFILE%"') do (
SET string=%%A
SET modified=!string:%REPLACETEXT%=%SEARCHTEXT%!

echo !modified! >> %OUTTEXTFILE%
)
del %INTEXTFILE%
rename %OUTTEXTFILE% %INTEXTFILE%

3) Now start execution using above batch file.

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