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ee933ab | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 | """FlakeForge Integration Tests."""
import math
import os
import tempfile
from pathlib import Path
from typing import Any, Dict
import pytest
from models import (
FlakeForgeAction,
FlakeForgeObservation,
FlakeForgeState,
RunRecord,
PatchRecord,
RewardBreakdown,
ROOT_CAUSE_TYPES,
failure_mode_entropy,
)
from agent.unified_agent import (
extract_think,
extract_patch,
extract_category_from_think,
extract_confidence_from_think,
infer_category_from_patch,
build_unified_prompt,
)
from server.patch_applier import parse_search_replace_hunks, apply_search_replace_patch
from server.reward import (
compute_format_reward,
compute_compile_reward,
compute_stability_reward,
compute_causal_proximity_reward,
compute_entropy_reward,
compute_anti_hack_penalty,
compute_reasoning_consistency,
)
class TestThinkPatchParsing:
"""Test extraction of <think> and <patch> blocks from model output."""
def test_extract_both_blocks(self):
response = """<think>
Root Cause: async_wait (confidence: 0.85)
Evidence: TimeoutError at test_flaky.py:12
Strategy: Increase timeout
</think>
<patch>
--- tests/test_flaky.py
<<<<<<< SEARCH
result = await asyncio.wait_for(fetch(), timeout=0.05)
=======
result = await asyncio.wait_for(fetch(), timeout=0.5)
>>>>>>> REPLACE
</patch>"""
assert "Root Cause: async_wait" in extract_think(response)
assert "<<<<<<< SEARCH" in extract_patch(response)
def test_extract_single_json_response(self):
response = """{
"think": {
"claims": [
{
"claim_id": "c1",
"category": "async_wait",
"entity": "fetch",
"location": "tests/test_flaky.py::test_fetch",
"ast_node_type": "Call",
"polarity": "present",
"predicted_effect": "The test should stop timing out.",
"reason": "The wait_for timeout is too aggressive."
}
],
"confidence": 0.85
},
"patch": {
"hunks": [
{
"hunk_id": "h1",
"file": "tests/test_flaky.py",
"search": " result = await asyncio.wait_for(fetch(), timeout=0.05)",
"replace": " result = await asyncio.wait_for(fetch(), timeout=0.5)",
"rationale": "Use a realistic timeout.",
"addresses_claim": "c1"
}
]
}
}"""
assert '"claims"' in extract_think(response)
patch = extract_patch(response)
assert "--- tests/test_flaky.py" in patch
assert "<<<<<<< SEARCH" in patch
assert ">>>>>>> REPLACE" in patch
def test_extract_minimal_json_response(self):
"""7B-model friendly: only required fields, no optional keys."""
response = """{
"think": {
"claims": [
{
"category": "async_wait",
"entity": "fetch",
"location": "tests/test_flaky.py::test_fetch",
"polarity": "present",
"reason": "Timeout too aggressive."
}
],
"confidence": 0.85
},
"patch": {
"hunks": [
{
"file": "tests/test_flaky.py",
"search": " result = await asyncio.wait_for(fetch(), timeout=0.05)",
"replace": " result = await asyncio.wait_for(fetch(), timeout=0.5)"
}
]
}
}"""
assert '"claims"' in extract_think(response)
patch = extract_patch(response)
assert "--- tests/test_flaky.py" in patch
assert "<<<<<<< SEARCH" in patch
assert ">>>>>>> REPLACE" in patch
def test_extract_patch_normalizes_escaped_hunk_strings(self):
response = """{
"think": {
"claims": [
{
"category": "concurrency",
"entity": "submit",
"location": "source.py::WorkerPool.submit",
"polarity": "present",
"reason": "Lock branch malformed"
}
],
"confidence": 0.85
},
"patch": {
"hunks": [
{
"file": "source.py",
"search": " with self._lock:\\\\\\"",
"replace": " with self._lock:",
"rationale": "Normalize malformed line"
}
]
}
}"""
patch = extract_patch(response)
assert "--- source.py" in patch
assert "with self._lock:" in patch
assert '\\"' not in patch
def test_extract_empty_response(self):
assert extract_think("") == ""
assert extract_patch("") == ""
def test_extract_malformed_blocks(self):
response = "No XML blocks here"
assert extract_think(response) == ""
assert extract_patch(response) == ""
def test_category_extraction(self):
think = "Root Cause: async_wait (confidence: 0.85)"
assert extract_category_from_think(think) == "async_wait"
def test_category_normalization(self):
assert extract_category_from_think("Root Cause: timeout") == "async_wait"
assert extract_category_from_think("Root Cause: race") == "concurrency"
assert extract_category_from_think("Root Cause: mock") == "mock_residue"
assert extract_category_from_think("Root Cause: fixture") == "fixture_scope_leak"
def test_confidence_extraction(self):
think = "Root Cause: async_wait (confidence: 0.85)"
assert extract_confidence_from_think(think) == 0.85
def test_confidence_clamping(self):
assert extract_confidence_from_think("confidence: 1.5") == 1.0
assert extract_confidence_from_think("confidence: -0.5") == 0.0
class TestPatchParsing:
"""Test search/replace hunk parsing."""
def test_single_hunk(self):
patch = """--- tests/test_flaky.py
<<<<<<< SEARCH
result = await asyncio.wait_for(fetch(), timeout=0.05)
=======
result = await asyncio.wait_for(fetch(), timeout=0.5)
>>>>>>> REPLACE"""
hunks = parse_search_replace_hunks(patch)
assert len(hunks) == 1
assert hunks[0].file_path == "tests/test_flaky.py"
assert "timeout=0.05" in hunks[0].search_text
assert "timeout=0.5" in hunks[0].replace_text
def test_multiple_hunks(self):
patch = """--- file1.py
<<<<<<< SEARCH
old1
=======
new1
>>>>>>> REPLACE
--- file2.py
<<<<<<< SEARCH
old2
=======
new2
>>>>>>> REPLACE"""
hunks = parse_search_replace_hunks(patch)
assert len(hunks) == 2
assert hunks[0].file_path == "file1.py"
assert hunks[1].file_path == "file2.py"
def test_empty_patch(self):
assert parse_search_replace_hunks("") == []
assert parse_search_replace_hunks(" ") == []
def test_apply_patch_to_file(self):
with tempfile.TemporaryDirectory() as tmpdir:
# Create a test file
test_file = Path(tmpdir) / "test_example.py"
test_file.write_text("x = 1\ny = 2\nz = 3\n")
patch = """--- test_example.py
<<<<<<< SEARCH
y = 2
=======
y = 42
>>>>>>> REPLACE"""
result = apply_search_replace_patch(Path(tmpdir), patch)
assert result["success"] is True
assert result["lines_changed"] >= 1
content = test_file.read_text()
assert "y = 42" in content
assert "y = 2" not in content
class TestRewardSignals:
"""Test individual reward signal computation."""
def test_format_reward_perfect(self):
action = FlakeForgeAction(
raw_response="...",
think_text="Root Cause: async_wait (confidence: 0.85)\nEvidence: ...",
patch_text="<<<<<<< SEARCH\nold\n=======\nnew\n>>>>>>> REPLACE",
)
reward = compute_format_reward(action)
assert reward == 1.0
def test_format_reward_missing_think(self):
action = FlakeForgeAction(
raw_response="...",
think_text="",
patch_text="<<<<<<< SEARCH\nold\n=======\nnew\n>>>>>>> REPLACE",
)
reward = compute_format_reward(action)
assert reward == 0.5 # Only patch block present
def test_format_reward_empty(self):
action = FlakeForgeAction(raw_response="garbage")
assert compute_format_reward(action) == 0.0
def test_compile_reward(self):
assert compute_compile_reward(True) == 1.0
assert compute_compile_reward(False) == -1.0
assert compute_compile_reward(True, "SyntaxError") == -0.5
def test_stability_full_fix(self):
assert compute_stability_reward(0.5, 1.0) == 2.0
def test_stability_improvement(self):
reward = compute_stability_reward(0.3, 0.6)
assert reward > 0
def test_stability_regression(self):
reward = compute_stability_reward(0.5, 0.2)
assert reward < 0
def test_stability_no_change(self):
assert compute_stability_reward(0.5, 0.5) == -0.1
def test_causal_proximity_same_file(self):
reward = compute_causal_proximity_reward(
patch_files=["tests/test_flaky.py"],
failure_frontier="tests/test_flaky.py:12:test_func",
call_chain=["test_func"],
boundary_crossings=[],
)
assert reward == 1.0
def test_causal_proximity_distant_file(self):
reward = compute_causal_proximity_reward(
patch_files=["utils/helpers.py"],
failure_frontier="tests/test_flaky.py:12:test_func",
call_chain=["test_func"],
boundary_crossings=[],
)
assert reward < 0
def test_entropy_reduction(self):
reward = compute_entropy_reward(pre_entropy=0.8, post_entropy=0.2)
assert reward > 0
def test_entropy_increase(self):
reward = compute_entropy_reward(pre_entropy=0.2, post_entropy=0.8)
assert reward < 0
def test_anti_hack_sleep_injection(self):
patch = """<<<<<<< SEARCH
result = func()
=======
import time
time.sleep(1)
result = func()
>>>>>>> REPLACE"""
penalty = compute_anti_hack_penalty(patch, ["test.py"], 3)
assert penalty < 0
def test_anti_hack_skip_decorator(self):
patch = """<<<<<<< SEARCH
def test_flaky():
=======
@pytest.mark.skip
def test_flaky():
>>>>>>> REPLACE"""
penalty = compute_anti_hack_penalty(patch, ["test.py"], 2)
assert penalty <= -1.0
def test_anti_hack_clean_patch(self):
patch = """<<<<<<< SEARCH
timeout=0.05
=======
timeout=0.5
>>>>>>> REPLACE"""
penalty = compute_anti_hack_penalty(patch, ["test.py"], 1)
assert penalty == 0.0
class TestReasoningConsistency:
"""Test reasoning-patch consistency verification."""
def test_exact_match(self):
score = compute_reasoning_consistency(
"async_wait", "async_wait", "root cause analysis", "timeout fix"
)
assert score == 0.5
def test_related_match(self):
score = compute_reasoning_consistency(
"concurrency", "async_wait", "root cause analysis", "timeout fix"
)
assert score == 0.25
def test_mismatch(self):
score = compute_reasoning_consistency(
"network", "fixture_scope_leak", "network issue", "fixture fix"
)
assert score == -0.5
class TestCategoryInference:
"""Test inferring root cause category from what the patch modifies."""
def test_infer_async_wait(self):
assert infer_category_from_patch("timeout=0.5") == "async_wait"
def test_infer_concurrency(self):
assert infer_category_from_patch("asyncio.Lock()") == "concurrency"
def test_infer_fixture(self):
assert infer_category_from_patch("yield fixture_data\n teardown()") == "fixture_scope_leak"
def test_infer_mock(self):
assert infer_category_from_patch("monkeypatch.setattr") == "mock_residue"
def test_infer_cache(self):
assert infer_category_from_patch("cache_clear()") == "module_cache_pollution"
class TestFailureModeEntropy:
"""Test Shannon entropy calculation."""
def test_single_error_type(self):
runs = [
RunRecord(passed=False, duration_ms=100, error_type="TimeoutError"),
RunRecord(passed=False, duration_ms=100, error_type="TimeoutError"),
]
assert failure_mode_entropy(runs) == 0.0
def test_uniform_error_distribution(self):
runs = [
RunRecord(passed=False, duration_ms=100, error_type="TimeoutError"),
RunRecord(passed=False, duration_ms=100, error_type="AssertionError"),
]
assert failure_mode_entropy(runs) == 1.0
def test_no_failures(self):
runs = [
RunRecord(passed=True, duration_ms=100),
RunRecord(passed=True, duration_ms=100),
]
assert failure_mode_entropy(runs) == 0.0
class TestObservationBuilding:
"""Test observation construction."""
def test_observation_has_deep_signals(self):
obs = FlakeForgeObservation(
episode_id="test-001",
test_identifier="tests/test_flaky.py::test_func",
step=0,
steps_remaining=8,
test_function_source="def test_func(): pass",
source_under_test="def func(): pass",
module_cache_violations=["utils.py: @lru_cache on fetch"],
async_contamination_alive=True,
)
assert len(obs.module_cache_violations) == 1
assert obs.async_contamination_alive is True
assert obs.step == 0
def test_unified_prompt_includes_deep_signals(self):
obs = FlakeForgeObservation(
episode_id="test-001",
test_identifier="tests/test_flaky.py::test_func",
step=0,
steps_remaining=8,
test_function_source="def test_func(): pass",
source_under_test="def func(): pass",
module_cache_violations=["utils.py: @lru_cache on compute"],
mock_residue_sites=["test_flaky.py:10 — patch() without context"],
)
prompt = build_unified_prompt(obs)
assert "Module cache violations" in prompt
assert "Mock residue sites" in prompt
def test_observation_run_history_limit(self):
runs = [RunRecord(passed=True, duration_ms=100) for _ in range(30)]
obs = FlakeForgeObservation(
episode_id="test-001",
test_identifier="test",
step=0,
steps_remaining=8,
test_function_source="",
source_under_test="",
run_history=runs,
)
assert len(obs.run_history) == 20 # Capped at 20
class TestRootCauseTypes:
"""Verify root cause taxonomy is complete."""
def test_all_categories_present(self):
assert "async_wait" in ROOT_CAUSE_TYPES
assert "module_cache_pollution" in ROOT_CAUSE_TYPES
assert "fixture_scope_leak" in ROOT_CAUSE_TYPES
assert "mock_residue" in ROOT_CAUSE_TYPES
assert "import_side_effect" in ROOT_CAUSE_TYPES
assert "unknown" in ROOT_CAUSE_TYPES
def test_category_count(self):
assert len(ROOT_CAUSE_TYPES) == 13
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