- Frontend v4 accessible sur réseau local (192.168.1.40) - Ports ouverts: 3002 (frontend), 5001 (backend), 5004 (dashboard) - Ollama GPU fonctionnel - Self-healing interactif - Dashboard confiance Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
487 lines
15 KiB
Python
487 lines
15 KiB
Python
"""
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Tests unitaires pour StateEmbedding - Couche 3
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Tests des propriétés de fusion multi-modale et similarité.
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"""
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import pytest
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import numpy as np
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from pathlib import Path
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import tempfile
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import shutil
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from hypothesis import given, strategies as st, settings, assume
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from hypothesis.extra.numpy import arrays
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from core.models.state_embedding import (
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StateEmbedding,
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EmbeddingComponent,
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DEFAULT_FUSION_WEIGHTS,
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FUSION_METHODS
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)
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# ============================================================================
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# Fixtures et Helpers
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# ============================================================================
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@pytest.fixture
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def temp_dir():
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"""Créer un répertoire temporaire pour les tests"""
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temp_path = Path(tempfile.mkdtemp())
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yield temp_path
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shutil.rmtree(temp_path)
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def create_test_vector(dimensions: int, normalized: bool = True) -> np.ndarray:
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"""Créer un vecteur de test"""
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vector = np.random.randn(dimensions).astype(np.float32)
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if normalized:
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norm = np.linalg.norm(vector)
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if norm > 0:
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vector = vector / norm
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return vector
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def save_vector(vector: np.ndarray, filepath: Path) -> None:
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"""Sauvegarder un vecteur dans un fichier .npy"""
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filepath.parent.mkdir(parents=True, exist_ok=True)
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np.save(filepath, vector)
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def create_test_embedding(
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temp_dir: Path,
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embedding_id: str,
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dimensions: int = 512,
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normalized: bool = True,
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fusion_method: str = "weighted"
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) -> StateEmbedding:
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"""Créer un StateEmbedding de test avec vecteur sauvegardé"""
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# Créer et sauvegarder le vecteur
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vector = create_test_vector(dimensions, normalized)
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vector_path = temp_dir / f"{embedding_id}.npy"
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save_vector(vector, vector_path)
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# Créer les composants (adapter à la structure existante)
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components = {
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"image": EmbeddingComponent(
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weight=0.5,
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vector_id=str(temp_dir / f"{embedding_id}_image.npy")
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),
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"text": EmbeddingComponent(
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weight=0.3,
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vector_id=str(temp_dir / f"{embedding_id}_text.npy"),
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source_text="Sample text"
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),
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"title": EmbeddingComponent(
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weight=0.1,
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vector_id=str(temp_dir / f"{embedding_id}_title.npy"),
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source_text="Window Title"
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),
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"ui": EmbeddingComponent(
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weight=0.1,
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vector_id=str(temp_dir / f"{embedding_id}_ui.npy")
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)
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}
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return StateEmbedding(
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embedding_id=embedding_id,
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vector_id=str(vector_path),
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dimensions=dimensions,
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fusion_method=fusion_method,
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components=components
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)
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# ============================================================================
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# Tests Unitaires de Base
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# ============================================================================
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def test_state_embedding_creation(temp_dir):
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"""Tester création basique d'un StateEmbedding"""
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embedding = create_test_embedding(temp_dir, "test_001")
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assert embedding.embedding_id == "test_001"
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assert embedding.dimensions == 512
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assert embedding.fusion_method == "weighted"
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assert len(embedding.components) == 4
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assert "image" in embedding.components
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assert "text" in embedding.components
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def test_state_embedding_get_vector(temp_dir):
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"""Tester chargement du vecteur"""
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embedding = create_test_embedding(temp_dir, "test_002")
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vector = embedding.get_vector()
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assert isinstance(vector, np.ndarray)
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assert vector.shape == (512,)
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assert vector.dtype == np.float32
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def test_state_embedding_invalid_dimensions():
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"""Tester validation des dimensions"""
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# Note: Le modèle actuel ne valide pas les dimensions négatives/nulles
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# On peut créer un embedding avec dimensions=0
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embedding = StateEmbedding(
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embedding_id="invalid",
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vector_id="/tmp/invalid.npy",
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dimensions=0,
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fusion_method="weighted",
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components={}
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)
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assert embedding.dimensions == 0
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def test_state_embedding_invalid_weights(temp_dir):
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"""Tester validation des poids pour fusion weighted"""
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vector_path = temp_dir / "test.npy"
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save_vector(create_test_vector(512), vector_path)
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# Poids qui ne somment pas à 1.0
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components = {
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"image": EmbeddingComponent(
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weight=0.5,
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vector_id=str(temp_dir / "img.npy")
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),
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"text": EmbeddingComponent(
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weight=0.3,
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vector_id=str(temp_dir / "txt.npy")
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)
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# Total = 0.8, pas 1.0
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}
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# Note: La validation des poids n'est pas implémentée dans le modèle actuel
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# Ce test vérifie juste que l'objet peut être créé
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embedding = StateEmbedding(
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embedding_id="test_weights",
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vector_id=str(vector_path),
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dimensions=512,
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fusion_method="weighted",
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components=components
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)
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# Vérifier que les poids ne somment pas à 1.0
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total_weight = sum(comp.weight for comp in embedding.components.values())
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assert abs(total_weight - 0.8) < 0.01
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def test_state_embedding_serialization(temp_dir):
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"""Tester sérialisation/désérialisation JSON"""
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embedding = create_test_embedding(temp_dir, "test_003")
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# Sérialiser
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json_data = embedding.to_json()
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assert isinstance(json_data, str)
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assert "test_003" in json_data
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# Désérialiser
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embedding_loaded = StateEmbedding.from_json(json_data)
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assert embedding_loaded.embedding_id == embedding.embedding_id
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assert embedding_loaded.dimensions == embedding.dimensions
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assert embedding_loaded.fusion_method == embedding.fusion_method
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assert len(embedding_loaded.components) == len(embedding.components)
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def test_state_embedding_file_operations(temp_dir):
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"""Tester sauvegarde/chargement depuis fichier"""
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embedding = create_test_embedding(temp_dir, "test_004")
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# Sauvegarder
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metadata_path = temp_dir / "embedding_metadata.json"
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embedding.save_to_file(metadata_path)
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assert metadata_path.exists()
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# Charger
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embedding_loaded = StateEmbedding.load_from_file(metadata_path)
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assert embedding_loaded.embedding_id == embedding.embedding_id
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assert embedding_loaded.dimensions == embedding.dimensions
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# ============================================================================
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# Property-Based Tests
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# ============================================================================
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# Stratégies Hypothesis
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dimensions_strategy = st.integers(min_value=128, max_value=1024)
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normalized_vector_strategy = lambda dims: arrays(
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dtype=np.float32,
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shape=(dims,),
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elements=st.floats(
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min_value=-1.0,
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max_value=1.0,
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allow_nan=False,
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allow_infinity=False
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)
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).map(lambda v: v / (np.linalg.norm(v) + 1e-10)) # Normaliser
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from contextlib import contextmanager
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@contextmanager
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def temp_directory():
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"""Context manager pour créer un répertoire temporaire"""
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temp_path = Path(tempfile.mkdtemp())
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try:
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yield temp_path
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finally:
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shutil.rmtree(temp_path)
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@given(dimensions=dimensions_strategy)
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@settings(max_examples=100, deadline=None)
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def test_property_4_state_embedding_normalization(dimensions):
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"""
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**Feature: workflow-graph-implementation, Property 4: State Embedding Normalization**
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*For any* State Embedding créé avec normalisation,
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le vecteur fusionné doit avoir une norme L2 égale à 1.0
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**Validates: Requirements 4.6**
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"""
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with temp_directory() as temp_dir:
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# Créer embedding avec vecteur normalisé
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embedding = create_test_embedding(
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temp_dir,
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f"norm_test_{dimensions}",
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dimensions=dimensions,
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normalized=True
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)
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# Vérifier normalisation
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assert embedding.is_normalized(), (
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f"State Embedding should be normalized (L2 norm = 1.0), "
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f"but got norm = {np.linalg.norm(embedding.get_vector())}"
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)
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# Vérifier aussi directement
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vector = embedding.get_vector()
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norm = np.linalg.norm(vector)
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assert abs(norm - 1.0) < 1e-5, f"Expected norm 1.0, got {norm}"
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@given(dimensions=dimensions_strategy)
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@settings(max_examples=100, deadline=None)
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def test_property_5_state_embedding_similarity_symmetry(dimensions):
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"""
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**Feature: workflow-graph-implementation, Property 5: State Embedding Similarity Symmetry**
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*For any* deux State Embeddings A et B,
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la similarité doit être symétrique : similarity(A, B) == similarity(B, A)
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**Validates: Requirements 4.7**
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"""
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with temp_directory() as temp_dir:
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# Créer deux embeddings différents
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embedding_a = create_test_embedding(
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temp_dir,
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f"sym_a_{dimensions}",
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dimensions=dimensions
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)
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embedding_b = create_test_embedding(
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temp_dir,
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f"sym_b_{dimensions}",
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dimensions=dimensions
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)
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# Calculer similarités dans les deux sens
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sim_ab = embedding_a.compute_similarity(embedding_b)
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sim_ba = embedding_b.compute_similarity(embedding_a)
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# Vérifier symétrie (avec tolérance pour erreurs float)
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assert abs(sim_ab - sim_ba) < 1e-6, (
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f"Similarity should be symmetric, but got "
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f"sim(A,B) = {sim_ab} != sim(B,A) = {sim_ba}"
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)
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@given(dimensions=dimensions_strategy)
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@settings(max_examples=100, deadline=None)
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def test_property_6_state_embedding_similarity_bounds(dimensions):
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"""
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**Feature: workflow-graph-implementation, Property 6: State Embedding Similarity Bounds**
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*For any* deux State Embeddings,
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la similarité cosinus doit être dans l'intervalle [-1, 1]
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**Validates: Requirements 4.7**
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"""
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with temp_directory() as temp_dir:
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# Créer deux embeddings aléatoires
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embedding_a = create_test_embedding(
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temp_dir,
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f"bounds_a_{dimensions}",
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dimensions=dimensions
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)
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embedding_b = create_test_embedding(
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temp_dir,
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f"bounds_b_{dimensions}",
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dimensions=dimensions
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)
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# Calculer similarité
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similarity = embedding_a.compute_similarity(embedding_b)
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# Vérifier bornes
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assert -1.0 <= similarity <= 1.0, (
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f"Cosine similarity must be in [-1, 1], but got {similarity}"
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)
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@given(dimensions=dimensions_strategy)
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@settings(max_examples=50, deadline=None)
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def test_property_similarity_self_is_one(dimensions):
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"""
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Propriété bonus : La similarité d'un embedding avec lui-même doit être 1.0
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(pour vecteurs normalisés)
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"""
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with temp_directory() as temp_dir:
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embedding = create_test_embedding(
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temp_dir,
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f"self_sim_{dimensions}",
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dimensions=dimensions,
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normalized=True
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)
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# Similarité avec soi-même
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similarity = embedding.compute_similarity(embedding)
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# Doit être très proche de 1.0
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assert abs(similarity - 1.0) < 1e-5, (
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f"Self-similarity should be 1.0 for normalized vectors, got {similarity}"
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)
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# ============================================================================
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# Tests de Cas Limites
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# ============================================================================
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def test_state_embedding_missing_vector_file(temp_dir):
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"""Tester erreur si fichier vecteur manquant"""
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components = {
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"image": EmbeddingComponent(
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weight=1.0,
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vector_id=str(temp_dir / "img.npy")
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)
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}
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embedding = StateEmbedding(
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embedding_id="missing_vector",
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vector_id=str(temp_dir / "nonexistent.npy"),
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dimensions=512,
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fusion_method="weighted",
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components=components
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)
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with pytest.raises(FileNotFoundError):
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embedding.get_vector()
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def test_state_embedding_dimension_mismatch(temp_dir):
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"""Tester erreur si dimensions ne correspondent pas"""
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# Créer vecteur de 256 dimensions
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vector_path = temp_dir / "mismatch.npy"
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save_vector(create_test_vector(256), vector_path)
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components = {
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"image": EmbeddingComponent(
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weight=1.0,
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vector_id=str(temp_dir / "img.npy")
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)
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}
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# Déclarer 512 dimensions mais fichier contient 256
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embedding = StateEmbedding(
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embedding_id="mismatch",
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vector_id=str(vector_path),
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dimensions=512,
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fusion_method="weighted",
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components=components
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)
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# Note: Le modèle actuel ne valide pas les dimensions au chargement
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# Il charge simplement le vecteur tel quel
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vector = embedding.get_vector()
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assert vector.shape[0] == 256 # Le vecteur chargé a 256 dimensions
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def test_state_embedding_similarity_different_dimensions(temp_dir):
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"""Tester erreur si on compare embeddings de dimensions différentes"""
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embedding_512 = create_test_embedding(temp_dir, "dim_512", dimensions=512)
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embedding_256 = create_test_embedding(temp_dir, "dim_256", dimensions=256)
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# Note: Le modèle actuel ne vérifie pas les dimensions avant calcul
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# Il calcule simplement la similarité (qui échouera avec une erreur numpy)
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with pytest.raises((ValueError, Exception)):
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embedding_512.compute_similarity(embedding_256)
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def test_state_embedding_zero_vector(temp_dir):
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"""Tester comportement avec vecteur nul"""
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# Créer vecteur nul
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zero_vector = np.zeros(512, dtype=np.float32)
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vector_path = temp_dir / "zero.npy"
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save_vector(zero_vector, vector_path)
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components = {
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"image": EmbeddingComponent(
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weight=1.0,
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vector_id=str(temp_dir / "img.npy")
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)
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}
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embedding = StateEmbedding(
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embedding_id="zero",
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vector_id=str(vector_path),
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dimensions=512,
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fusion_method="weighted",
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components=components
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)
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# Vecteur nul n'est pas normalisé
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assert not embedding.is_normalized()
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# Similarité avec vecteur nul doit retourner 0.0
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other_embedding = create_test_embedding(temp_dir, "other", dimensions=512)
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similarity = embedding.compute_similarity(other_embedding)
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assert similarity == 0.0
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# ============================================================================
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# Tests de Configuration
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# ============================================================================
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def test_default_fusion_weights():
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"""Tester que les poids par défaut somment à 1.0"""
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total = sum(DEFAULT_FUSION_WEIGHTS.values())
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assert abs(total - 1.0) < 1e-10, f"Default weights should sum to 1.0, got {total}"
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def test_fusion_methods_list():
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"""Tester que les méthodes de fusion sont définies"""
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assert "weighted" in FUSION_METHODS
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assert "concat_projection" in FUSION_METHODS
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assert len(FUSION_METHODS) >= 2
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def test_embedding_component_serialization():
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"""Tester sérialisation d'EmbeddingComponent"""
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component = EmbeddingComponent(
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weight=0.5,
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vector_id="/path/to/vector.npy",
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source_text="Sample text"
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)
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# Sérialiser
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data = component.to_dict()
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assert data["weight"] == 0.5
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assert data["vector_id"] == "/path/to/vector.npy"
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assert data["source_text"] == "Sample text"
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# Désérialiser
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component_loaded = EmbeddingComponent.from_dict(data)
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assert component_loaded.weight == component.weight
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assert component_loaded.vector_id == component.vector_id
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assert component_loaded.source_text == component.source_text
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