Added test for ParseArguments, ValidMatrixInstruction, ValidWorkGroup,TensileClientConfig and Activation

[pdhirajkumarprasad]

Motivation

Technical Details

1. Testing Strategy

• Pure Python Unit Tests: All tests use Python's unittest.mock module to avoid invoking the actual code generator
• Lazy Import Pattern: Used pytest fixtures with lazy imports to handle circular dependencies gracefully
• Incremental Coverage: File-by-file approach to systematically improve coverage across the codebase
• Mock-Heavy Testing: Extensive use of Mock, MagicMock, patch, and PropertyMock to isolate units under test

2. Circular Dependency Handling

Multiple techniques were employed to work around circular import issues:

• Lazy Import Fixtures: Delays import until test runs

  @pytest.fixture(scope="module")
  def Module():
      import Tensile.Module as mod
      return mod

• Direct Module Imports: Import specific modules instead of through package __init__.py
• Module Namespace Wrappers: Custom namespace classes to expose all module attributes including private ones
• Skip Tests When Necessary: For hard circular dependencies at import time, tests are marked as skipped

3. Key Technical Patterns

A. Mocking External Dependencies

@patch('Tensile.Activation.rocIsa')
def test_function(self, mock_rocisa):
    mock_rocisa.getInstance.return_value.getArchCaps.return_value = {...}
    # Test code

B. Testing Data Type Variations

Comprehensive coverage of all supported data types:

• Single precision (s), Double precision (d), Half precision (h)
• BFloat16 (b), Int8 (I8), Int32 (i)
• Float8 (F8), BFloat8 (B8) with OCP and NANOO variants
• Float4 (F4), Float6 (F6), BFloat6 (B6)

C. Testing with Real vs Mock Objects

• Use real DataType objects when possible for integration-style unit tests
• Mock complex dependencies like rocIsa, writer, kernel objects
• Balance between pure mocking and semi-integration testing

Coverage increased:

Tensile/TensileLogic/ParseArguments.py from 0 to 100
Tensile/TensileLogic/ValidMatrixInstruction.py from 0 to 100
Tensile/TensileLogic/ValidWorkGroup.py from 0 to 100
Tensile/TensileClientConfig.py from 0 to 46.5
Tensile/Activation.py from 13.49 to 63.7

total coverage: from 24.66% to 26.11%

5ba977b

Test Plan

N.A

Test Result

N.A

Submission Checklist

• Look over the contributing guidelines at https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.