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Artillery-ways to execute Script

Updated 18 August 2018

Till now we have read about the artillery and the HTTP load testing in artillery. There are many ways to execute artillery scripts, a quick test, a simple run or run with some over-rides. Lets see some different ways to execute artillery script :

Run a quick test

Artillery allows users to run custom test scripts written in either yaml or json, users can also perform a quick test without loading external scripts. The following command specifies 20 GET requests to be sent every second for 10 seconds creating 10 virtual users per request.
artillery quick –count 10 -n 20 https://your-local-site-to-be.tested

Run a simple test

The following yaml file can be executed to achieve a simple run bu using artillery run your.yaml

config:
  target: https://your-website-link
  phases:
    - duration: 10
      arrivalRate: 10
scenarios:
  - flow:
      - get:
          # add the url you need to send get request
          url: "/"
          capture:
          # capturing responce using reg expression
            - regexp: "[^]*"
              as: "response"
      - log: "response= {{response}}"

This command run the yaml file and sets a load of 10 users for 10 seconds to the given target. The duration and user count can be changed by changing the values  of “duration” and “arrivalRate” respectively.

Test with output

We can run the artillery test stating the output of result in a file. The output of test always returns a json file, the path of the file should be with in retailed to the path of yaml file. The following command run artillery test with output file named as “report.json” and the path of file is given relative to the path of test script.

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artillery run -o ‘report.json’ test.yaml

This command will give the test output and will generate a report with name ‘report.json’. The outpot will be something like :

Started phase 0, duration: 10s @ 14:27:36(+0530) 2018-08-13
 
Report @ 14:27:38(+0530) 2018-08-13
  Scenarios launched:  10
  Scenarios completed: 10
  Requests completed:  10
  RPS sent: 2.13
  Request latency:
    min: 401
    max: 401
    median: 401
    p95: 401
    p99: 401
  Codes:
    200: 100
Log file: report.json

Test with overrides

In many situations it would be useful to adjust some of the values in the config section. To achieve the same, we can use -overrides in artillery.This option is used to override parts of the test script, for example, we need to override the phase definitions in the test script. We can use:

artillery run –overrides ‘{“config”: {“phases”: [{“duration”: 10, “arrivalRate”: 1}]}}’ test. yaml

test.yaml

config:
  target: https://your-website-link
  phases:
    - duration: 100
      arrivalRate: 100
scenarios:
  - flow:
      - get:
          # add the url you need to send get request
          url: "/"
          capture:
          # capturing responce using reg expression
            - regexp: "[^]*"
              as: "response"
      - log: "response= {{response}}"

Here in the test script, the duration and the arrivalRate are set to 100. When we run the above commad in the command line, the duration and arrivalRate are overridden by 10 and 1 respectively.

Test with passing Variables

In case if we need to set some variable or need to override the given variables in artillery, we can achieve it by using
artillery run -v ‘{“size”: [“small”, “medium”, “large”], “color”:[“black”, “blue”]}’ test.yaml
Makes variables “size” and “color” available in scenarios, with values picked from the respective lists. If the variables are present in the yaml file, they will be overridden by the provided variables. This overriding of variables could be done to test new values to the data.

Test with reports

We now have an output of data in json format for the test run via artillery.So we must convert it into the html format in order to see it in the browser. Artillery also provides a retort generation in a GUI format. So, below is the command to convert above generated report to html
artillery run -o report.json mytest.yaml
artillery report report.json

The command -o <report_name> will generate the report after completion of the test.This report will be generated in json file and could be generated to html file.

The above were the different ways to run artillery scripts.

Suggestion are appreciated in the comments ­čśÇ

. . .

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2 comments

  • Madan J
    • Gautam Bagchi (Moderator)
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