Add test suite for Dali Model

[rpancham]

Addresses:
DALI REST : RHOAIENG-23395
DALI GRPC: RHOAIENG-23396

[coderabbitai]

📝 Walkthrough

Summary by CodeRabbit

• New Features
  • Added new test cases for validating DALI model inference with Triton using both REST and gRPC protocols.
  • Introduced input configuration files for REST and gRPC testing scenarios.
• Tests
  • Enhanced test coverage for model serving with DALI preprocessing, supporting multiple deployment modes and protocols.

"""

Walkthrough

This change introduces new test assets and code to support validation of DALI-enabled model deployments with Triton Inference Server via KServe. It adds two JSON input files for REST and gRPC protocols, updates constants to reference these files, and implements a parameterized test covering multiple protocol and deployment mode combinations.

Changes

File(s)	Change Summary
tests/model_serving/model_runtime/triton/basic_model_deployment/kserve-triton-dali-gRPC-input.json, tests/model_serving/model_runtime/triton/basic_model_deployment/kserve-triton-dali-rest-input.json	Added JSON configuration files defining input/output tensors and raw input data for DALI model tests using Triton gRPC and REST.
tests/model_serving/model_runtime/triton/constant.py	Added constants defining file paths for the new DALI input JSON files used in Triton REST and gRPC tests.
tests/model_serving/model_runtime/triton/basic_model_deployment/test_dali_model.py	Added a parameterized test class TestDaliModel to validate DALI model inference via REST and gRPC protocols in raw and serverless modes.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

• Complexity is low: two static JSON files, two new constants, and a single test file with parameterization and fixture use.
• No changes to core logic or exported/public APIs outside of test scope.
  """

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📜 Recent review details

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📥 Commits

Reviewing files that changed from the base of the PR and between 1bdb185 and c430e3d.

📒 Files selected for processing (1)

• tests/model_serving/model_runtime/triton/basic_model_deployment/kserve-triton-dali-gRPC-input.json (1 hunks)

🚧 Files skipped from review as they are similar to previous changes (1)

• tests/model_serving/model_runtime/triton/basic_model_deployment/kserve-triton-dali-gRPC-input.json

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