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Dev Steup

Set up process

  • First create a new conda environment. Please specify python version as 3.9. conda create -n <envname> python=3.9.
  • Activate the env you created.
  • Set environment variable PYTHONPATH in your new conda environment. conda env config vars set PYTHONPATH=<path-to-src\promptflow>. Once you have set the environment variable, you have to reactivate your environment. conda activate <envname>.
  • In root folder, run python scripts/building/dev_setup.py --promptflow-extra-deps azure to install the package and dependencies.

How to run tests

Set up your secrets

dev-connections.json.example is a template about connections provided in src/promptflow. You can follow these steps to refer to this template to configure your connection for the test cases:

  1. cd ./src/promptflow
  2. Run the command cp dev-connections.json.example connections.json;
  3. Replace the values in the json file with your connection info;
  4. Set the environment PROMPTFLOW_CONNECTIONS='connections.json';

After above setup process is finished. You can use pytest command to run test, for example in root folder you can:

Run tests via command

  • Run all tests under a folder: pytest src/promptflow/tests -v
  • Run a single test: pytest src/promptflow/tests/promptflow_test/e2etests/test_executor.py::TestExecutor::test_executor_basic_flow -v

Run tests in VSCode

  1. Set up your python interperter
  • Open the Command Palette (Ctrl+Shift+P) and select Python: Select Interpreter.

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  • Select existing conda env which you created previously.

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  1. Set up your test framework and directory
  • Open the Command Palette (Ctrl+Shift+P) and select Python: Configure Tests.

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  • Select pytest as test framework.

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  • Select Root directory as test directory.

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  1. Click the Run Test button on the left

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Run tests in pycharm

  1. Set up your pycharm python interpreter

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  1. Select existing conda env which you created previously

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  1. Run test, right-click the test name to run, or click the green arrow button on the left.

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How to write tests

  • Put all test data/configs under src/promptflow/tests/test_configs.
  • Write unit tests:
    • Flow run: src/promptflow/tests/sdk_cli_test/unittest/
    • Flow run in azure: src/promptflow/tests/sdk_cli_azure_test/unittest/
  • Write e2e tests:
    • Flow run: src/promptflow/tests/sdk_cli_test/e2etests/
    • Flow run in azure: src/promptflow/tests/sdk_cli_azure_test/e2etests/
  • Test file name and the test case name all start with test_.
  • A basic test example, see test_connection.py.

Test structure

Currently all tests are under src/promptflow/tests/ folder:

  • tests/
    • promptflow/
      • sdk_cli_test/
        • e2etests/
        • unittests/
      • sdk_cli_azure_test/
        • e2etests/
        • unittests/
    • test_configs/
      • connections/
      • datas/
      • flows/
      • runs/
      • wrong_flows/
      • wrong_tools/

When you want to add tests for a new feature, you can add new test file let's say a e2e test file test_construction.py under tests/promptflow/**/e2etests/.

Once the project gets more complicated or anytime you find it necessary to add new test folder and test configs for a specific feature, feel free to split the promptflow to more folders, for example:

  • tests/
    • /
      • e2etests/
        • test_xxx.py
      • unittests/
        • test_xxx.py
    • test_configs/
      • /