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We can run a Behave Runner Script test, by running the command line arguments, or we can create a runner script. This script gives the provision of running the test and generating the corresponding report.

We can do a re-try and execute the failed test. Also, before executing the entire suite, the runner script is capable of making an application programming interface (API) call and ensuring that there are no issues with the API.

Steps for Behave Runner Script –

Follow the steps given below to create and execute a runner script successfully in Behave Runner Script.

Step 1 − Create a runner script (runner.py) within the features folder.

The following screen will appear on your computer −

Step 2 − Runner Script Implementation to run tests

The runner script can be using the below-mentioned code −

import subprocess
if __name__ == '__main__':
#command line args along with error capture on failure with check true
      s = subprocess.run('behave --no-capture',shell=True, check=True)

Step 3 − Execute the runner script

Execute runner.py file with command python3 runner.py (if Python version is 3). The following your computer:

Step 4 − Parametrise runner script by passing command-line arguments.

The runner script implementation to run tests can be done as follows −

import argparse
import subprocess
if __name__ == '__main__':
   p = argparse.ArgumentParser()
  #--testdir command line argument added
   p.add_argument('--testdir', required=False, help="File path")
   a = p.parse_args()
   testdir = a.testdir
   #complete command
   c= f'behave --no-capture {testdir}'
   s = subprocess.run(c, shell=True, check=True)

Step 5 − Execute the runner script

Execute runner.py file with command python3 runner.py –testdir=features.

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