[Tracing] Add trace tests to tracing_test (#2252)

# Description

Add tracing tests to tracing_test.

# All Promptflow Contribution checklist:
- [x] **The pull request does not introduce [breaking changes].**
- [ ] **CHANGELOG is updated for new features, bug fixes or other
significant changes.**
- [x] **I have read the [contribution guidelines](../CONTRIBUTING.md).**
- [ ] **Create an issue and link to the pull request to get dedicated
review from promptflow team. Learn more: [suggested
workflow](../CONTRIBUTING.md#suggested-workflow).**

## General Guidelines and Best Practices
- [x] Title of the pull request is clear and informative.
- [x] There are a small number of commits, each of which have an
informative message. This means that previously merged commits do not
appear in the history of the PR. For more information on cleaning up the
commits in your PR, [see this
page](https://github.com/Azure/azure-powershell/blob/master/documentation/development-docs/cleaning-up-commits.md).

### Testing Guidelines
- [x] Pull request includes test coverage for the included changes.

---------

Co-authored-by: Lina Tang <[email protected]>

.github/workflows/promptflow-tracing-e2e-test.yml

@@ -0,0 +1,152 @@
+name: promptflow-tracing-e2e-test
+
+on:
+  schedule:
+    - cron: "40 17 * * *" # Every day starting at 1:40 BJT
+
+  pull_request:
+    paths:
+      - src/promptflow/**
+      - scripts/building/**
+      - .github/workflows/promptflow-tracing-e2e-test.yml
+
+  workflow_dispatch:
+
+
+env:
+  packageSetupType: promptflow_with_extra
+  testWorkingDirectory: ${{ github.workspace }}/src/promptflow
+  PYTHONPATH: ${{ github.workspace }}/src/promptflow
+  IS_IN_CI_PIPELINE: "true"
+
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout
+      uses: actions/checkout@v4
+    - name: Display and Set Environment Variables
+      run: |
+        env | sort >> $GITHUB_OUTPUT
+      id: display_env
+      shell: bash -el {0}
+    - name: Python Setup - ubuntu-latest - Python Version 3.9
+      uses: "./.github/actions/step_create_python_environment"
+      with:
+        pythonVersion: 3.9
+    - name: Build wheel
+      uses: "./.github/actions/step_sdk_setup"
+      with:
+        setupType: promptflow_with_extra
+        scriptPath: ${{ env.testWorkingDirectory }}
+    - name: Upload Wheel
+      if: always()
+      uses: actions/upload-artifact@v3
+      with:
+        name: wheel
+        path: |
+          ${{ github.workspace }}/src/promptflow/dist/*.whl
+          ${{ github.workspace }}/src/promptflow-tools/dist/*.whl
+
+  tracing_tests:
+    needs: build
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        pythonVersion: ['3.8', '3.9', '3.10', '3.11']
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: checkout
+      uses: actions/checkout@v4
+
+    - name: Display and Set Environment Variables
+      run: |
+        env | sort >> $GITHUB_OUTPUT
+      id: display_env
+      shell: bash -el {0}
+
+    - name: Python Setup - ${{ matrix.os }} - Python Version ${{ matrix.pythonVersion }}
+      uses: "./.github/actions/step_create_python_environment"
+      with:
+        pythonVersion: ${{ matrix.pythonVersion }}
+
+    - name: Download Artifacts
+      uses: actions/download-artifact@v3
+      with:
+        name: wheel
+        path: artifacts
+
+    - name: Install wheel
+      shell: pwsh
+      working-directory: artifacts
+      run: |
+        Set-PSDebug -Trace 1
+        pip install -r ${{ github.workspace }}/src/promptflow/dev_requirements.txt
+        gci ./promptflow -Recurse | % {if ($_.Name.Contains('.whl')) {python -m pip install "$($_.FullName)"}}
+        gci ./promptflow-tools -Recurse | % {if ($_.Name.Contains('.whl')) {python -m pip install $_.FullName}}
+        pip freeze
+
+    - name: Azure Login
+      uses: azure/login@v1
+      with:
+        creds: ${{ secrets.AZURE_CREDENTIALS }}
+
+    - name: Generate Configs
+      uses: "./.github/actions/step_generate_configs"
+      with:
+        targetFolder: ${{ env.testWorkingDirectory }}
+
+    - name: Get number of CPU cores
+      uses: SimenB/github-actions-cpu-cores@v1
+      id: cpu-cores
+
+    - name: run promptflow-tracing test
+      shell: pwsh
+      working-directory: ${{ env.testWorkingDirectory }}
+      run: |
+        python "../../scripts/building/run_coverage_tests.py" `
+          -p promptflow `
+          -t ${{ github.workspace }}/src/promptflow/tests/tracing_test/e2etests `
+          -l eastus `
+          -m "e2etest" `
+          -n ${{ steps.cpu-cores.outputs.count }} `
+          --coverage-config ${{ github.workspace }}/src/promptflow/tests/tracing_test/.coveragerc `
+          -o "${{ env.testWorkingDirectory }}/test-results-tracing.xml"
+
+    - name: Upload Test Results
+      if: always()
+      uses: actions/upload-artifact@v3
+      with:
+        name: Test Results (Python ${{ matrix.pythonVersion }}) (OS ${{ matrix.os }})
+        path: |
+          ${{ env.testWorkingDirectory }}/*.xml
+          ${{ env.testWorkingDirectory }}/htmlcov/
+
+
+  publish-test-results-tracing-test:
+    needs: tracing_tests
+    if: always()
+
+    runs-on: ubuntu-latest
+    permissions:
+      checks: write
+      pull-requests: write
+      contents: read
+      issues: read
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v4
+    - name: Publish Test Results
+      uses: "./.github/actions/step_publish_test_results"
+      with:
+        testActionFileName: promptflow-tracing-e2e-test.yml
+        testResultTitle: promptflow-tracing e2e test result
+        osVersion: ubuntu-latest
+        pythonVersion: 3.9
+        coverageThreshold: 40
+        context: test/tracing

src/promptflow/tests/tracing_test/e2etests/simple_functions.py

@@ -0,0 +1,85 @@
+import asyncio
+from time import sleep
+from typing import Union
+
+from openai import AsyncAzureOpenAI, AzureOpenAI
+
+from promptflow.contracts.types import PromptTemplate
+from promptflow.tracing import trace
+
+
+@trace
+def is_valid_name(name):
+    sleep(0.5)
+    return len(name) > 0
+
+
+@trace
+def get_user_name(user_id):
+    sleep(0.5)
+    user_name = f"User {user_id}"
+    if not is_valid_name(user_name):
+        raise ValueError(f"Invalid user name: {user_name}")
+
+    return user_name
+
+
+@trace
+def format_greeting(user_name):
+    sleep(0.5)
+    return f"Hello, {user_name}!"
+
+
+@trace
+def greetings(user_id):
+    user_name = get_user_name(user_id)
+    greeting = format_greeting(user_name)
+    return greeting
+
+
+@trace
+async def dummy_llm(prompt: str, model: str):
+    asyncio.sleep(0.5)
+    return "dummy_output"
+
+
+@trace
+async def dummy_llm_tasks_async(prompt: str, models: list):
+    tasks = []
+    for model in models:
+        tasks.append(asyncio.create_task(dummy_llm(prompt, model)))
+    done, _ = await asyncio.wait(tasks, return_when=asyncio.ALL_COMPLETED)
+    return [task.result() for task in done]
+
+
+@trace
+def render_prompt_template(prompt: PromptTemplate, **kwargs):
+    for k, v in kwargs.items():
+        prompt = prompt.replace(f"{{{{{k}}}}}", str(v))
+    return prompt
+
+
+@trace
+def openai_chat(connection: dict, prompt: str, stream: bool = False):
+    client = AzureOpenAI(**connection)
+
+    messages = [
+        {"role": "system", "content": "You are a helpful assistant."},
+        {"role": "user", "content": prompt}
+    ]
+    response = client.chat.completions.create(model="gpt-35-turbo", messages=messages, stream=stream)
+    return response.choices[0].message.content or ""
+
+
+@trace
+def openai_completion(connection: dict, prompt: str):
+    client = AzureOpenAI(**connection)
+    response = client.completions.create(model="text-ada-001", prompt=prompt)
+    return response.choices[0].text or ""
+
+
+@trace
+async def openai_embedding_async(connection: dict, input: Union[str, list]):
+    client = AsyncAzureOpenAI(**connection)
+    resp = await client.embeddings.create(model="text-embedding-ada-002", input=input)
+    return resp.data[0].embedding