refactor to benchmarks and adding test decorator

Author: SandyYuan

eval_protocol/rewards/ifeval/README.md eval_protocol/benchmarks/ifeval/README.mdeval_protocol/rewards/ifeval/README.md renamed to eval_protocol/benchmarks/ifeval/README.md

@@ -1,13 +1,19 @@
-# IFEval Reward Function
+# IFEval Benchmark
 
 Evaluates how well model responses follow instruction constraints. Returns a partial credit score (0.0 to 1.0).
 
-## Quick Start
+## Usage
+
+### As eval-protocol benchmark test
+
+```bash
+pytest eval_protocol/benchmarks/ifeval/test_ifeval.py -v
+```
+
+### Standalone scoring function
 
 ```python
-import sys
-sys.path.insert(0, '/path/to/eval_protocol/rewards/ifeval')
-from reward import ifeval_partial_credit_reward
+from eval_protocol.benchmarks.ifeval import ifeval_partial_credit_reward
 
 response = "Hello world! This is my response."
 ground_truth = {
@@ -36,15 +42,11 @@ NLTK resources are downloaded automatically on first use.
 ## File Sources
 
 **Copied from `open-instruct/open_instruct/IFEvalG/`:**
-- `ifeval_instructions.py` (from `instructions.py`)
-- `ifeval_registry.py` (from `instructions_registry.py`)
-- `ifeval_util.py` (from `instructions_util.py`)
+- `ifeval_instructions.py`, `ifeval_registry.py`, `ifeval_util.py`
 
 **Copied from `IFBench/` (commit 8e6a9be, 2025-01):**
-- `ifbench_instructions.py` (from `instructions.py`)
-- `ifbench_registry.py` (from `instructions_registry.py`)
-- `ifbench_util.py` (from `instructions_util.py`)
+- `ifbench_instructions.py`, `ifbench_registry.py`, `ifbench_util.py`
 
 **New code:**
-- `reward.py` - main reward function
-- `__init__.py` - package exports
+- `reward.py` - scoring function
+- `test_ifeval.py` - eval-protocol benchmark test

eval_protocol/benchmarks/ifeval/__init__.py

@@ -0,0 +1,11 @@
+"""IFEval benchmark for evaluating instruction-following capabilities.
+
+Usage:
+    from eval_protocol.benchmarks.ifeval import ifeval_partial_credit_reward
+
+    score = ifeval_partial_credit_reward(response, ground_truth)
+"""
+
+from .reward import ifeval_partial_credit_reward
+
+__all__ = ["ifeval_partial_credit_reward"]