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* Refactor StatisticalEvaluator * Update StatisticalEvaluator * Rename StatisticalMetric.from_string to from_str and change internal logic Co-authored-by: Madeesh Kannan <shadeMe@users.noreply.github.com> * Fix tests --------- Co-authored-by: Madeesh Kannan <shadeMe@users.noreply.github.com>
124 lines
5.0 KiB
Python
124 lines
5.0 KiB
Python
import pytest
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from haystack.components.eval import StatisticalEvaluator, StatisticalMetric
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class TestStatisticalEvaluator:
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def test_init_default(self):
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.F1)
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assert evaluator._metric == StatisticalMetric.F1
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def test_init_with_string(self):
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evaluator = StatisticalEvaluator(metric="exact_match")
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assert evaluator._metric == StatisticalMetric.EM
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def test_to_dict(self):
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.F1)
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expected_dict = {
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"type": "haystack.components.eval.statistical_evaluator.StatisticalEvaluator",
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"init_parameters": {"metric": "f1"},
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}
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assert evaluator.to_dict() == expected_dict
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def test_from_dict(self):
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evaluator = StatisticalEvaluator.from_dict(
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{
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"type": "haystack.components.eval.statistical_evaluator.StatisticalEvaluator",
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"init_parameters": {"metric": "f1"},
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}
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)
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assert evaluator._metric == StatisticalMetric.F1
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class TestStatisticalEvaluatorF1:
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def test_run_with_empty_inputs(self):
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.F1)
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result = evaluator.run(labels=[], predictions=[])
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assert len(result) == 1
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assert result["result"] == 0.0
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def test_run_with_different_lengths(self):
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.F1)
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labels = [
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"A construction budget of US $2.3 billion",
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"The Eiffel Tower, completed in 1889, symbolizes Paris's cultural magnificence.",
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]
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predictions = [
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"A construction budget of US $2.3 billion",
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"The Eiffel Tower, completed in 1889, symbolizes Paris's cultural magnificence.",
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"The Meiji Restoration in 1868 transformed Japan into a modernized world power.",
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]
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with pytest.raises(ValueError):
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evaluator.run(labels=labels, predictions=predictions)
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def test_run_with_matching_predictions(self):
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.F1)
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labels = ["OpenSource", "HaystackAI", "LLMs"]
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predictions = ["OpenSource", "HaystackAI", "LLMs"]
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result = evaluator.run(labels=labels, predictions=predictions)
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assert len(result) == 1
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assert result["result"] == 1.0
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def test_run_with_single_prediction(self):
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.F1)
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result = evaluator.run(labels=["Source"], predictions=["Open Source"])
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assert len(result) == 1
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assert result["result"] == pytest.approx(2 / 3)
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def test_run_with_mismatched_predictions(self):
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labels = ["Source", "HaystackAI"]
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.F1)
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predictions = ["Open Source", "HaystackAI"]
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result = evaluator.run(labels=labels, predictions=predictions)
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assert len(result) == 1
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assert result["result"] == pytest.approx(5 / 6)
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class TestStatisticalEvaluatorExactMatch:
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def test_run_with_empty_inputs(self):
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.EM)
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result = evaluator.run(predictions=[], labels=[])
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assert len(result) == 1
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assert result["result"] == 0.0
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def test_run_with_different_lengths(self):
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.EM)
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labels = [
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"A construction budget of US $2.3 billion",
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"The Eiffel Tower, completed in 1889, symbolizes Paris's cultural magnificence.",
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]
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predictions = [
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"A construction budget of US $2.3 billion",
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"The Eiffel Tower, completed in 1889, symbolizes Paris's cultural magnificence.",
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"The Meiji Restoration in 1868 transformed Japan into a modernized world power.",
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]
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with pytest.raises(ValueError):
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evaluator.run(labels=labels, predictions=predictions)
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def test_run_with_matching_predictions(self):
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labels = ["OpenSource", "HaystackAI", "LLMs"]
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.EM)
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predictions = ["OpenSource", "HaystackAI", "LLMs"]
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result = evaluator.run(labels=labels, predictions=predictions)
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assert len(result) == 1
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assert result["result"] == 1.0
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def test_run_with_single_prediction(self):
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.EM)
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result = evaluator.run(labels=["OpenSource"], predictions=["OpenSource"])
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assert len(result) == 1
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assert result["result"] == 1.0
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def test_run_with_mismatched_predictions(self):
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evaluator = StatisticalEvaluator(metric=StatisticalMetric.EM)
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labels = ["Source", "HaystackAI", "LLMs"]
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predictions = ["OpenSource", "HaystackAI", "LLMs"]
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result = evaluator.run(labels=labels, predictions=predictions)
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assert len(result) == 1
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assert result["result"] == 2 / 3
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