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chore: import upstream snapshot with attribution
2026-07-13 13:08:55 +08:00

738 lines
25 KiB
Python

"""
Branch-coverage tests for benchmarks/comparison/evaluator.py.
Targets the remaining 44 missing lines, focusing on branches not yet
exercised by test_evaluator_coverage.py or test_comparison_evaluator.py:
- compare_configurations: empty list early-return, all-runs-failed branch,
exception-during-run path, repetitions averaging
- _evaluate_single_configuration: full exception handler (error dict returned)
- _calculate_average_metrics: multi-result averaging across all three metric
categories, None-value filtering, disjoint metric keys
- _create_comparison_visualizations: matplotlib calls with successful results
- comparison with repetitions: multiple reps correctly produce avg_metrics
"""
import pytest
from unittest.mock import MagicMock, patch
MODULE = "local_deep_research.benchmarks.comparison.evaluator"
# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------
_SUCCESSFUL_RUN = {
"success": True,
"quality_metrics": {"overall_quality": 0.8},
"speed_metrics": {"total_duration": 20.0},
"resource_metrics": {"memory_mb": 128.0},
}
_FAILED_RUN = {"success": False, "error": "boom"}
def _avg_metrics_from(run):
return {
"quality_metrics": run.get("quality_metrics", {}),
"speed_metrics": run.get("speed_metrics", {}),
"resource_metrics": run.get("resource_metrics", {}),
}
# ---------------------------------------------------------------------------
# 1. test_compare_configurations_empty_list
# ---------------------------------------------------------------------------
class TestCompareConfigurationsEmptyList:
"""compare_configurations returns an error dict for an empty list."""
@patch(f"{MODULE}.os.makedirs")
def test_empty_list_returns_error_dict(self, mock_makedirs):
from local_deep_research.benchmarks.comparison.evaluator import (
compare_configurations,
)
result = compare_configurations(query="anything", configurations=[])
assert isinstance(result, dict)
assert "error" in result
assert result["error"] == "No configurations provided"
@patch(f"{MODULE}.os.makedirs")
def test_empty_list_does_not_call_evaluate(self, mock_makedirs):
"""_evaluate_single_configuration must not be called for empty input."""
from local_deep_research.benchmarks.comparison.evaluator import (
compare_configurations,
)
with patch(f"{MODULE}._evaluate_single_configuration") as mock_eval:
compare_configurations(query="q", configurations=[])
mock_eval.assert_not_called()
@patch(f"{MODULE}.os.makedirs")
def test_empty_list_still_creates_output_dir(self, mock_makedirs):
"""makedirs is called even before the empty-list guard."""
from local_deep_research.benchmarks.comparison.evaluator import (
compare_configurations,
)
compare_configurations(
query="q", configurations=[], output_dir="/tmp/out_branch_test"
)
mock_makedirs.assert_called_once_with(
"/tmp/out_branch_test", exist_ok=True
)
# ---------------------------------------------------------------------------
# 2. test_compare_configurations_all_runs_failed
# ---------------------------------------------------------------------------
class TestCompareConfigurationsAllRunsFailed:
"""When every repetition of a config fails the summary has success=False."""
@patch(f"{MODULE}.os.makedirs")
@patch(f"{MODULE}._evaluate_single_configuration", return_value=_FAILED_RUN)
@patch(f"{MODULE}._create_comparison_visualizations")
@patch(
"local_deep_research.security.file_write_verifier.write_json_verified"
)
def test_all_runs_failed_success_false(
self, mock_write, mock_viz, mock_eval, mock_makedirs, tmp_path
):
from local_deep_research.benchmarks.comparison.evaluator import (
compare_configurations,
)
result = compare_configurations(
query="q",
configurations=[{"name": "BadConfig"}],
output_dir=str(tmp_path),
repetitions=2,
)
assert result["successful_configurations"] == 0
assert result["failed_configurations"] == 1
@patch(f"{MODULE}.os.makedirs")
@patch(f"{MODULE}._evaluate_single_configuration", return_value=_FAILED_RUN)
@patch(f"{MODULE}._create_comparison_visualizations")
@patch(
"local_deep_research.security.file_write_verifier.write_json_verified"
)
def test_all_runs_failed_result_summary_shape(
self, mock_write, mock_viz, mock_eval, mock_makedirs, tmp_path
):
from local_deep_research.benchmarks.comparison.evaluator import (
compare_configurations,
)
result = compare_configurations(
query="q",
configurations=[{"name": "BadConfig"}],
output_dir=str(tmp_path),
)
summary = result["results"][0]
assert summary["success"] is False
assert summary["runs_completed"] == 0
assert summary["runs_failed"] == 1
assert "error" in summary
assert summary["error"] == "All runs failed"
@patch(f"{MODULE}.os.makedirs")
@patch(f"{MODULE}._evaluate_single_configuration")
@patch(f"{MODULE}._create_comparison_visualizations")
@patch(
"local_deep_research.security.file_write_verifier.write_json_verified"
)
def test_exception_in_evaluate_treated_as_failed_run(
self, mock_write, mock_viz, mock_eval, mock_makedirs, tmp_path
):
"""An exception raised by _evaluate_single_configuration counts as a failure."""
mock_eval.side_effect = RuntimeError("network error")
from local_deep_research.benchmarks.comparison.evaluator import (
compare_configurations,
)
result = compare_configurations(
query="q",
configurations=[{"name": "Crasher"}],
output_dir=str(tmp_path),
)
assert result["failed_configurations"] == 1
# The individual_results entry must contain the error string
individual = result["results"][0]["individual_results"]
assert len(individual) == 1
assert individual[0]["success"] is False
assert "network error" in individual[0]["error"]
# ---------------------------------------------------------------------------
# 3. test_evaluate_single_configuration_exception
# ---------------------------------------------------------------------------
class TestEvaluateSingleConfigurationException:
"""_evaluate_single_configuration returns a proper error dict on exception."""
@patch(f"{MODULE}.SpeedProfiler")
@patch(f"{MODULE}.ResourceMonitor")
@patch(f"{MODULE}.get_llm")
def test_exception_returns_success_false(
self, mock_get_llm, mock_monitor_cls, mock_profiler_cls
):
mock_get_llm.side_effect = ValueError("bad model name")
mock_profiler = MagicMock()
mock_profiler_cls.return_value = mock_profiler
mock_monitor = MagicMock()
mock_monitor_cls.return_value = mock_monitor
from local_deep_research.benchmarks.comparison.evaluator import (
_evaluate_single_configuration,
)
result = _evaluate_single_configuration(
query="test query", config={"name": "cfg1"}
)
assert result["success"] is False
@patch(f"{MODULE}.SpeedProfiler")
@patch(f"{MODULE}.ResourceMonitor")
@patch(f"{MODULE}.get_llm")
def test_exception_message_in_result(
self, mock_get_llm, mock_monitor_cls, mock_profiler_cls
):
mock_get_llm.side_effect = ValueError("bad model name")
mock_profiler = MagicMock()
mock_profiler_cls.return_value = mock_profiler
mock_monitor = MagicMock()
mock_monitor_cls.return_value = mock_monitor
from local_deep_research.benchmarks.comparison.evaluator import (
_evaluate_single_configuration,
)
result = _evaluate_single_configuration(
query="test query", config={"name": "cfg1"}
)
assert "error" in result
assert "bad model name" in result["error"]
@patch(f"{MODULE}.SpeedProfiler")
@patch(f"{MODULE}.ResourceMonitor")
@patch(f"{MODULE}.get_llm")
def test_exception_result_contains_timing_and_resource_details(
self, mock_get_llm, mock_monitor_cls, mock_profiler_cls
):
"""Even on error the result includes timing_details and resource_details."""
mock_get_llm.side_effect = Exception("oops")
profiler_instance = MagicMock()
profiler_instance.get_timings.return_value = {"llm_init": 0.5}
mock_profiler_cls.return_value = profiler_instance
monitor_instance = MagicMock()
monitor_instance.get_combined_stats.return_value = {"cpu": 10.0}
mock_monitor_cls.return_value = monitor_instance
from local_deep_research.benchmarks.comparison.evaluator import (
_evaluate_single_configuration,
)
result = _evaluate_single_configuration(query="q", config={})
assert "timing_details" in result
assert "resource_details" in result
@patch(f"{MODULE}.SpeedProfiler")
@patch(f"{MODULE}.ResourceMonitor")
@patch(f"{MODULE}.get_llm")
def test_exception_stops_profiling(
self, mock_get_llm, mock_monitor_cls, mock_profiler_cls
):
"""stop() must be called on both profiler and monitor even on error."""
mock_get_llm.side_effect = Exception("fail")
profiler_instance = MagicMock()
mock_profiler_cls.return_value = profiler_instance
monitor_instance = MagicMock()
mock_monitor_cls.return_value = monitor_instance
from local_deep_research.benchmarks.comparison.evaluator import (
_evaluate_single_configuration,
)
_evaluate_single_configuration(query="q", config={})
profiler_instance.stop.assert_called()
monitor_instance.stop.assert_called()
# ---------------------------------------------------------------------------
# 4. test_calculate_average_metrics
# ---------------------------------------------------------------------------
class TestCalculateAverageMetrics:
"""_calculate_average_metrics averages correctly across all metric types."""
def test_quality_metrics_averaged(self):
from local_deep_research.benchmarks.comparison.evaluator import (
_calculate_average_metrics,
)
results = [
{
"quality_metrics": {"score": 0.4},
"speed_metrics": {},
"resource_metrics": {},
},
{
"quality_metrics": {"score": 0.6},
"speed_metrics": {},
"resource_metrics": {},
},
]
avg = _calculate_average_metrics(results)
assert avg["quality_metrics"]["score"] == pytest.approx(0.5)
def test_speed_metrics_averaged(self):
from local_deep_research.benchmarks.comparison.evaluator import (
_calculate_average_metrics,
)
results = [
{
"quality_metrics": {},
"speed_metrics": {"total_duration": 10.0},
"resource_metrics": {},
},
{
"quality_metrics": {},
"speed_metrics": {"total_duration": 30.0},
"resource_metrics": {},
},
]
avg = _calculate_average_metrics(results)
assert avg["speed_metrics"]["total_duration"] == pytest.approx(20.0)
def test_resource_metrics_averaged(self):
from local_deep_research.benchmarks.comparison.evaluator import (
_calculate_average_metrics,
)
results = [
{
"quality_metrics": {},
"speed_metrics": {},
"resource_metrics": {"memory_mb": 100.0},
},
{
"quality_metrics": {},
"speed_metrics": {},
"resource_metrics": {"memory_mb": 200.0},
},
]
avg = _calculate_average_metrics(results)
assert avg["resource_metrics"]["memory_mb"] == pytest.approx(150.0)
def test_none_values_filtered_out(self):
"""None values are skipped so the average uses only real numbers."""
from local_deep_research.benchmarks.comparison.evaluator import (
_calculate_average_metrics,
)
results = [
{
"quality_metrics": {"x": None},
"speed_metrics": {},
"resource_metrics": {},
},
{
"quality_metrics": {"x": 0.8},
"speed_metrics": {},
"resource_metrics": {},
},
]
avg = _calculate_average_metrics(results)
# Only the non-None value contributes
assert avg["quality_metrics"]["x"] == pytest.approx(0.8)
def test_disjoint_metric_keys_all_present(self):
"""Keys present in only one result still appear in the output."""
from local_deep_research.benchmarks.comparison.evaluator import (
_calculate_average_metrics,
)
results = [
{
"quality_metrics": {"key_a": 0.9},
"speed_metrics": {},
"resource_metrics": {},
},
{
"quality_metrics": {"key_b": 0.3},
"speed_metrics": {},
"resource_metrics": {},
},
]
avg = _calculate_average_metrics(results)
assert avg["quality_metrics"]["key_a"] == pytest.approx(0.9)
assert avg["quality_metrics"]["key_b"] == pytest.approx(0.3)
def test_empty_input_returns_empty_dict(self):
from local_deep_research.benchmarks.comparison.evaluator import (
_calculate_average_metrics,
)
assert _calculate_average_metrics([]) == {}
def test_three_results_averaged_correctly(self):
from local_deep_research.benchmarks.comparison.evaluator import (
_calculate_average_metrics,
)
results = [
{
"quality_metrics": {"q": 0.2},
"speed_metrics": {},
"resource_metrics": {},
},
{
"quality_metrics": {"q": 0.5},
"speed_metrics": {},
"resource_metrics": {},
},
{
"quality_metrics": {"q": 0.8},
"speed_metrics": {},
"resource_metrics": {},
},
]
avg = _calculate_average_metrics(results)
assert avg["quality_metrics"]["q"] == pytest.approx(0.5)
def test_output_always_has_three_categories(self):
"""Result always contains quality_metrics, speed_metrics, resource_metrics keys."""
from local_deep_research.benchmarks.comparison.evaluator import (
_calculate_average_metrics,
)
results = [
{
"quality_metrics": {"x": 1.0},
"speed_metrics": {},
"resource_metrics": {},
}
]
avg = _calculate_average_metrics(results)
assert "quality_metrics" in avg
assert "speed_metrics" in avg
assert "resource_metrics" in avg
# ---------------------------------------------------------------------------
# 5. test_create_comparison_visualizations
# ---------------------------------------------------------------------------
class TestCreateComparisonVisualizations:
"""_create_comparison_visualizations makes the expected matplotlib calls."""
@patch(f"{MODULE}.plt")
def test_no_successful_results_skips_all_plots(self, mock_plt, tmp_path):
"""Early return when there are no successful results."""
from local_deep_research.benchmarks.comparison.evaluator import (
_create_comparison_visualizations,
)
report = {"results": [{"success": False, "error": "failed"}]}
_create_comparison_visualizations(
report, output_dir=str(tmp_path), timestamp="20240101_120000"
)
mock_plt.figure.assert_not_called()
mock_plt.barh.assert_not_called()
mock_plt.savefig.assert_not_called()
@patch(f"{MODULE}._create_spider_chart")
@patch(f"{MODULE}._create_pareto_chart")
@patch(f"{MODULE}._create_metric_comparison_chart")
@patch(f"{MODULE}.plt")
def test_successful_results_calls_savefig(
self, mock_plt, mock_metric_chart, mock_pareto, mock_spider, tmp_path
):
"""With one successful result all sub-chart helpers are called."""
from local_deep_research.benchmarks.comparison.evaluator import (
_create_comparison_visualizations,
)
mock_fig = MagicMock()
mock_plt.figure.return_value = mock_fig
report = {
"results": [
{
"success": True,
"name": "Config A",
"overall_score": 0.75,
"avg_metrics": {
"quality_metrics": {"overall_quality": 0.75},
"speed_metrics": {"total_duration": 15.0},
"resource_metrics": {},
},
}
]
}
_create_comparison_visualizations(
report, output_dir=str(tmp_path), timestamp="20240101_000000"
)
# Overall score bar chart triggers figure/barh/savefig
mock_plt.figure.assert_called()
mock_plt.savefig.assert_called()
mock_plt.close.assert_called()
# Sub-chart helpers must have been invoked once each
mock_metric_chart.assert_called()
mock_spider.assert_called_once()
mock_pareto.assert_called_once()
@patch(f"{MODULE}._create_spider_chart")
@patch(f"{MODULE}._create_pareto_chart")
@patch(f"{MODULE}._create_metric_comparison_chart")
@patch(f"{MODULE}.plt")
def test_config_names_extracted_correctly(
self, mock_plt, mock_metric_chart, mock_pareto, mock_spider, tmp_path
):
"""Config names used in barh must come from result['name']."""
from local_deep_research.benchmarks.comparison.evaluator import (
_create_comparison_visualizations,
)
mock_plt.figure.return_value = MagicMock()
report = {
"results": [
{
"success": True,
"name": "MySpecialConfig",
"overall_score": 0.5,
"avg_metrics": {
"quality_metrics": {},
"speed_metrics": {},
"resource_metrics": {},
},
}
]
}
_create_comparison_visualizations(
report, output_dir=str(tmp_path), timestamp="ts1"
)
# barh should have been called with the name in the y-axis list
barh_call_args = mock_plt.barh.call_args
assert barh_call_args is not None
config_names_arg = barh_call_args[0][0]
assert "MySpecialConfig" in config_names_arg
# ---------------------------------------------------------------------------
# 6. test_comparison_with_repetitions
# ---------------------------------------------------------------------------
class TestComparisonWithRepetitions:
"""compare_configurations with multiple repetitions averages metrics correctly."""
@patch(f"{MODULE}.os.makedirs")
@patch(f"{MODULE}._evaluate_single_configuration")
@patch(f"{MODULE}.calculate_combined_score", return_value=0.7)
@patch(f"{MODULE}._create_comparison_visualizations")
@patch(
"local_deep_research.security.file_write_verifier.write_json_verified"
)
def test_three_repetitions_runs_completed(
self,
mock_write,
mock_viz,
mock_score,
mock_eval,
mock_makedirs,
tmp_path,
):
mock_eval.return_value = _SUCCESSFUL_RUN.copy()
from local_deep_research.benchmarks.comparison.evaluator import (
compare_configurations,
)
result = compare_configurations(
query="q",
configurations=[{"name": "Cfg"}],
output_dir=str(tmp_path),
repetitions=3,
)
summary = result["results"][0]
assert summary["runs_completed"] == 3
assert summary["runs_failed"] == 0
assert summary["success"] is True
@patch(f"{MODULE}.os.makedirs")
@patch(f"{MODULE}._evaluate_single_configuration")
@patch(f"{MODULE}.calculate_combined_score", return_value=0.7)
@patch(f"{MODULE}._create_comparison_visualizations")
@patch(
"local_deep_research.security.file_write_verifier.write_json_verified"
)
def test_partial_repetition_failure(
self,
mock_write,
mock_viz,
mock_score,
mock_eval,
mock_makedirs,
tmp_path,
):
"""Only successful repetitions count toward runs_completed."""
mock_eval.side_effect = [
_SUCCESSFUL_RUN.copy(),
_FAILED_RUN.copy(),
_SUCCESSFUL_RUN.copy(),
]
from local_deep_research.benchmarks.comparison.evaluator import (
compare_configurations,
)
result = compare_configurations(
query="q",
configurations=[{"name": "Cfg"}],
output_dir=str(tmp_path),
repetitions=3,
)
summary = result["results"][0]
assert summary["runs_completed"] == 2
assert summary["runs_failed"] == 1
assert summary["success"] is True
@patch(f"{MODULE}.os.makedirs")
@patch(f"{MODULE}._evaluate_single_configuration")
@patch(f"{MODULE}._calculate_average_metrics")
@patch(f"{MODULE}.calculate_combined_score", return_value=0.65)
@patch(f"{MODULE}._create_comparison_visualizations")
@patch(
"local_deep_research.security.file_write_verifier.write_json_verified"
)
def test_repetitions_pass_all_successful_runs_to_avg(
self,
mock_write,
mock_viz,
mock_score,
mock_avg,
mock_eval,
mock_makedirs,
tmp_path,
):
"""_calculate_average_metrics is called with the list of successful runs."""
run1 = _SUCCESSFUL_RUN.copy()
run2 = _SUCCESSFUL_RUN.copy()
mock_eval.side_effect = [run1, run2]
mock_avg.return_value = {
"quality_metrics": {},
"speed_metrics": {},
"resource_metrics": {},
}
from local_deep_research.benchmarks.comparison.evaluator import (
compare_configurations,
)
compare_configurations(
query="q",
configurations=[{"name": "Cfg"}],
output_dir=str(tmp_path),
repetitions=2,
)
mock_avg.assert_called_once_with([run1, run2])
@patch(f"{MODULE}.os.makedirs")
@patch(f"{MODULE}._evaluate_single_configuration")
@patch(f"{MODULE}.calculate_combined_score", return_value=0.8)
@patch(f"{MODULE}._create_comparison_visualizations")
@patch(
"local_deep_research.security.file_write_verifier.write_json_verified"
)
def test_repetitions_field_in_report(
self,
mock_write,
mock_viz,
mock_score,
mock_eval,
mock_makedirs,
tmp_path,
):
"""The top-level 'repetitions' key reflects the requested count."""
mock_eval.return_value = _SUCCESSFUL_RUN.copy()
from local_deep_research.benchmarks.comparison.evaluator import (
compare_configurations,
)
result = compare_configurations(
query="q",
configurations=[{"name": "Cfg"}],
output_dir=str(tmp_path),
repetitions=5,
)
assert result["repetitions"] == 5
@patch(f"{MODULE}.os.makedirs")
@patch(f"{MODULE}._evaluate_single_configuration")
@patch(f"{MODULE}.calculate_combined_score")
@patch(f"{MODULE}._create_comparison_visualizations")
@patch(
"local_deep_research.security.file_write_verifier.write_json_verified"
)
def test_two_configs_sorted_by_score(
self,
mock_write,
mock_viz,
mock_score,
mock_eval,
mock_makedirs,
tmp_path,
):
"""Results are sorted descending by overall_score."""
mock_eval.return_value = _SUCCESSFUL_RUN.copy()
mock_score.side_effect = [0.3, 0.9]
from local_deep_research.benchmarks.comparison.evaluator import (
compare_configurations,
)
result = compare_configurations(
query="q",
configurations=[{"name": "Low"}, {"name": "High"}],
output_dir=str(tmp_path),
)
scores = [
r["overall_score"] for r in result["results"] if r.get("success")
]
assert scores == sorted(scores, reverse=True)