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ds-host_L3_TestProcedure.md

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dsHost HAL L3 Python Test Procedure

Table of Contents

Acronyms, Terms and Abbreviations

  • HAL - Hardware Abstraction Layer
  • L3 - Level 3 Testing
  • DUT - Device Under Test
  • RAFT - Rapid Automation Framework for Testing
  • YAML - YAML Ain't Markup Language

Setting Up Test Environment

To execute HAL L3 Python test cases, need a Python environment. Follow these steps mentioned in HPK Public Documentation

Update Configuration Files

Rack Configuration File

Example Rack configuration File: example_rack_config.yml

For more details refer RAFT and example_rack_config.yml

In this file, update the configuration to define the console sessions for the DUT and the outbound settings:

Console Session Description
default Downloads the streams required for test cases
ssh_player Plays the stream required for test case
ssh_player_secondary Plays a secondary stream, if required for test case
ssh_hal_test Executes the HAL binary for the test case 
rackConfig:
  - dut:
      ip: "XXX.XXX.XXX.XXX"  # IP Address of the device
      description: "stb device under test"
      platform: "stb"
      consoles:
        - default:
            type: "ssh"
            port: 10022
            username: "root"
            ip: "XXX.XXX.XXX" # IP address of the device
            password: ' '
        - ssh_player:
            type: "ssh"
            port: 10022
            username: "root"
            ip: "XXX.XXX.XXX" # IP address of the device
            password: ' '
        - ssh_player_secondary:
            type: "ssh"
            port: 10022
            username: "root"
            ip: "XXX.XXX.XXX" # IP address of the device
            password: ' '
        - ssh_hal_test:
            type: "ssh"
            port: 10022
            username: "root"
            ip: "XXX.XXX.XXX" # IP address of the device
            password: ' '
      outbound:
        download_url: "tftp://tftp-server.com/rack1/slot1/"    # Download location for the CPE device
        upload_url: "sftp://server-address/home/workspace/tftp/rack1/slot1/" # Upload location
        upload_url_base_dir: "sftp://server-address/home/workspace/tftp/rack1/slot1"
        httpProxy:   # Local proxy if required
        workspaceDirectory: './logs/workspace'   # Local working directory

Device Configuration File

Example Device configuration File: deviceConfig.yml

For more details refer RAFT and example_device_config.yml

Update the target directory where HAL binaries will be copied into the device. Also, map the profile to the source/sink settings YAML file path.

Ensure the platform should match with the DUT platform in Rack Configuration

deviceConfig:
  cpe1:
    platform: "stb"    # Must match the platform in example_rack_config.yml
    model: "uk"
    target_directory: "/tmp"  # Path where HAL binaries are copied in device
    test:
      profile: "../../../../profiles/sink/Sink_HostSettings.yaml"
      player:
        tool: "gstreamer"
        prerequisites:
          - export xxxx    # Pre-commands required to play the stream

Test Setup Configuration File

Example Test Setup configuration File: dsHost_L3_testSetup.yml

Update the artifact paths from which the binaries should be copied to the device.

Set the execution paths for each test case.

dsHost:
  description: "dsHost Device Settings test setup"
  assets:
    device:
      defaults: &defaults
        artifacts:
          - "<path>/bin/hal_test"
          - "<path>/bin/libut_control.so"
          - "<path>/bin/Sink_HostSettings.yaml"
          - "<path>/bin/run.sh"
        execute:
          - "chmod +x /opt/HAL/dshost_L3/hal_test"
          - "chmod +x /opt/HAL/dshost_L3/run.sh"
          - cp -rf /usr/lib/libdshal.so /opt/HAL/dshost_L3/
          - "ln -s /usr/lib/libds-hal.so /opt/HAL/dshost_L3/libdshal.so"
        streams:
        test1_VerifyConnect_Callback:
          <<: *defaults
          streams:

Test Suite Configuration

Example Test Setup configuration File: dsHost_testConfig.yml

Update the execute command according to the device path where HAL binaries are copied.

dsHost:
  description: "dsHost Device Settings testing profile"
  test:
    execute: "/tmp/run.sh -p /tmp/Sink_HostSettings.yaml"
    type: UT-C  # Cunit tests (UT-C)

Run Test Cases

Once the environment is set up, you can execute the test cases with the following command

python <TestCaseName.py> --config </PATH>/ut/host/tests/configs/example_rack_config.yml --deviceConfig </PATH>/ut/host/tests/configs/deviceConfig.yml

Test Setup Connections

To verify the get temperature works as expected. For Example:

  • Get the temperature, and then place the device in a heat chamber and verify the temperature increases.

Test Cases

dsHost_test1_VerifyTemperature.py

Platform Support - test01

  • Sink/Source

User Input Required - test01

Yes: User interaction is necessary increase the temperature (This will be automated later).

Acceptance Criteria - test01

The temperature is noted to be increasing once placed in the heat chamber or location to increase the temperature.

Expected Results - test01

The temperature should increase.

Test Steps - test01

  • Initiate the Test:

    • Select and execute the Python file: dsHost_test1_VerifyTemperature.py
    • The test will automatically download all required artifacts, copying them to the designated target directory before commencing execution.

  • Increase Temperature prompt:

    The test will request the User to place the device in a heat chamber and press enter to take the first reading, then increase the temperature and press enter to get the next reading:

    • Question: "Please begin to increase the temperature, and wait around one to two minutes before pressing enter to continue:"
    • Press Enter once the device is in a location to increase the temperature and suitable time has passed the change in temperature can be recorded.

  • Test Conclusion:

    The temperature should increase as expected.