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In this tutorial, we will rerun the failed tests in Robot Framework.
We occasionally experience rendering problems, which cause our Test Cases to fail. And we must run our complete Test Suite once more. This will be a major pain if you are working on a complicated project with many suite files or a large number of Test Cases.
Rerunning only failed test cases after completion and providing a single report can alleviate this major pain in Robot Framework.
Robot Framework provides two attributes "--rerunfailed" and "--merge" merge will rerun the failure and merge the different results for a single report.
Prerequisite:
- Install Python
- Install PIP
- Install Robot Framework
- Install Robot framework Selenium Library
- Install PyCharm IDE
Please refer to this tutorial to install Robot Framework - How to install and setup Robot Framework for Python.
Implementation Steps:
Step 1.1 - Open PyCharm and create a new project. Go to File and select "New Project" from the main menu.
Step 2 - Choose the project location. Click the "Browse" button next to the Location field and specify the directory for your project.
Deselect the Create a main.py welcome script checkbox because you will create a new Python file for this tutorial.
Click on the "Create" Button.
Step 1.3 - A new dialog will appear asking to Open the project using any one of the given options. I have selected New Window as I like to have separate windows for each project.
Below is the image of the new project created in PyCharms.
How to rerun the failed tests in Robot Framework?
Step 2 - Create a new directory in the new project
Right-Click on the project, select New->Directory and provide name as Tests
Below is the image of the new directory.
Right-click on the new directory and select New File and provide the name as RerunFailedTests.robot as shown below:
Step 3 - Download ChromeBinaries from the below location
The tests are going to use the Chrome browser, so we need to download the ChromeBinaries to open a blank browser in Chrome.
https://chromedriver.chromium.org/
The chromedriver is placed in a folder name drivers in the RobotFramework_Demo project.
Step 4 - Create a simple Selenium Test
*** Settings *** Documentation Tests to login to Login Page Library SeleniumLibrary *** Variables *** ${valid_username} Admin ${valid_password} admin123 ${invalid_username} 1234 ${invalid_password} 45678 ${blank_username} ${blank_password} ${url} https://opensource-demo.orangehrmlive.com/web/index.php/auth/login ${browser_name} Chrome ${login_error_message} css:.oxd-alert-content--error ${dashboard_title} css:.oxd-topbar-header-breadcrumb-module ${missing_username_error_message} xpath://*[@class='oxd-form']/div[1]/div/span ${missing_password_error_message} xpath://*[@class='oxd-form']/div[2]/div/span *** Test Cases *** Validate Unsuccessful Login using invalid credentials [Tags] SMOKE Open the Browser with URL Fill the login form ${valid_username} ${invalid_password} Verify the error message is correct Close Browser Session Validate Unsuccessful Login for blank username [Tags] REGRESSION Open the Browser with URL Fill the login form ${blank_username} ${valid_password} Verify the error message is displayed for username Close Browser Session Validate Unsuccessful Login for blank password [Tags] SMOKE REGRESSION Open the Browser with URL Fill the login form ${valid_username} ${blank_password} Verify the error message is displayed for password Close Browser Session Validate successful Login [Tags] UAT Open the Browser with URL Fill the login form ${valid_username} ${valid_password} Verify Dashboard page opens Close Browser Session *** Keywords *** Open the Browser with URL Create Webdriver ${browser_name} executable_path=/Vibha_Personal/RobotFramework_Demo/drivers/${browser_name} Go To ${url} Maximize Browser Window Set Selenium Implicit Wait 5 Fill the login form [Arguments] ${username} ${password} Input Text css:input[name=username] ${username} Input Password css:input[name=password] ${password} Click Button css:.orangehrm-login-button Verify the error message is correct Element Text Should Be ${login_error_message} Invalid credentials Verify Dashboard page opens Element Text Should Be ${dashboard_title} Dashboard Verify the error message is displayed for username Element Text Should Be ${missing_username_error_message} Required Verify the error message is displayed for password Element Text Should Be ${missing_password_error_message} Required! Close Browser Session Close Browser Step 5 - Execute the tests
We need the below command to run the Robot Framework script. This is the normal execution of your test suite and save your output in output1.xml
robot --output output1.xml RerunFailedTests.robot
The output of the above program is
Let us check the output1.xml file.
We can see that Test 3 failed here.
Below is the report generated by the Robot Framework
Now, let us rerun the failed tests using the below command. I have intentionally failed my test in the last run. In this run, I will fix the test. I will change the expected result from Required! to Required. This checks the failure results in the output1.xml file and reruns the failures once again and saves the new result in the output2.xml file
robot --rerunfailed output1.xml --output output2.xml RerunFailedTests.robot
The output of the above program is
A new output file named output2.xml is generated.
Let us check the output2.xml file.
This command merges the previous XML file and recent XML file after re-run to show in a single report
rebot --output output1.xml --merge output1.xml output2.xml
The output of the above program is
Check the Report generated by the Robot Framework. We can see all the tests are passed now.
That's it! Congratulations on making it through this tutorial and hope you found it useful! Happy Learning!!
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