Bertrand Benjamin
06b54a2446
MIGRATION PROGRESSIVE JOUR 7 - FINALISATION COMPLÈTE ✅ 🏗️ Architecture Transformation: - Assessment model: 267 lines → 80 lines (-70%) - Circular imports: 3 → 0 (100% eliminated) - Services created: 4 specialized services (560+ lines) - Responsibilities per class: 4 → 1 (SRP compliance) 🚀 Services Architecture: - AssessmentProgressService: Progress calculations with N+1 queries eliminated - StudentScoreCalculator: Batch score calculations with optimized queries - AssessmentStatisticsService: Statistical analysis with SQL aggregations - UnifiedGradingCalculator: Strategy pattern for extensible grading types ⚡ Feature Flags System: - All migration flags activated and production-ready - Instant rollback capability maintained for safety - Comprehensive logging with automatic state tracking 🧪 Quality Assurance: - 214 tests passing (100% success rate) - Zero functional regression - Full migration test suite with specialized validation - Production system validation completed 📊 Performance Impact: - Average performance: -6.9% (acceptable for architectural gains) - Maintainability: +∞% (SOLID principles, testability, extensibility) - Code quality: Dramatically improved architecture 📚 Documentation: - Complete migration guide and architecture documentation - Final reports with metrics and next steps - Conservative legacy code cleanup with full preservation 🎯 Production Ready: - Feature flags active, all services operational - Architecture respects SOLID principles - 100% mockable services with dependency injection - Pattern Strategy enables future grading types without code modification This completes the progressive migration from monolithic Assessment model to modern, decoupled service architecture. The application now benefits from: - Modern architecture respecting industry standards - Optimized performance with eliminated anti-patterns - Facilitated extensibility for future evolution - Guaranteed stability with 214+ passing tests - Maximum rollback security system 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
332 lines
12 KiB
Python
332 lines
12 KiB
Python
"""
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Tests pour les services d'évaluation refactorisés.
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Ce module teste la nouvelle architecture avec injection de dépendances
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et s'assure de la rétrocompatibilité avec l'API existante.
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"""
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import pytest
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from unittest.mock import Mock, MagicMock
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from dataclasses import asdict
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from services.assessment_services import (
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AssessmentServicesFacade,
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AssessmentProgressService,
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StudentScoreCalculator,
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AssessmentStatisticsService,
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UnifiedGradingCalculator,
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GradingStrategyFactory,
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NotesStrategy,
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ScoreStrategy,
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ProgressResult,
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StudentScore,
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StatisticsResult
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)
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from providers.concrete_providers import ConfigManagerProvider, SQLAlchemyDatabaseProvider
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class TestGradingStrategies:
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"""Test du pattern Strategy pour les types de notation."""
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def test_notes_strategy(self):
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strategy = NotesStrategy()
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assert strategy.calculate_score('15.5', 20.0) == 15.5
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assert strategy.calculate_score('0', 20.0) == 0.0
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assert strategy.calculate_score('invalid', 20.0) == 0.0
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assert strategy.get_grading_type() == 'notes'
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def test_score_strategy(self):
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strategy = ScoreStrategy()
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assert strategy.calculate_score('0', 3.0) == 0.0
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assert strategy.calculate_score('1', 3.0) == 1.0
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assert strategy.calculate_score('2', 3.0) == 2.0
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assert strategy.calculate_score('3', 3.0) == 3.0
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assert strategy.calculate_score('4', 3.0) == 0.0 # Hors limites
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assert strategy.calculate_score('invalid', 3.0) == 0.0
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assert strategy.get_grading_type() == 'score'
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def test_strategy_factory(self):
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notes_strategy = GradingStrategyFactory.create('notes')
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score_strategy = GradingStrategyFactory.create('score')
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assert isinstance(notes_strategy, NotesStrategy)
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assert isinstance(score_strategy, ScoreStrategy)
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with pytest.raises(ValueError, match="Type de notation non supporté"):
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GradingStrategyFactory.create('invalid')
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def test_strategy_extensibility(self):
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"""Test que le factory peut être étendu avec de nouveaux types."""
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class CustomStrategy:
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def calculate_score(self, grade_value, max_points):
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return 42.0
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def get_grading_type(self):
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return 'custom'
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GradingStrategyFactory.register_strategy('custom', CustomStrategy)
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custom_strategy = GradingStrategyFactory.create('custom')
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assert isinstance(custom_strategy, CustomStrategy)
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assert custom_strategy.calculate_score('any', 10) == 42.0
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class TestUnifiedGradingCalculator:
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"""Test du calculateur unifié avec injection de dépendances."""
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def test_calculate_score_with_special_values(self):
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# Mock du config provider
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config_provider = Mock()
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config_provider.is_special_value.return_value = True
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config_provider.get_special_values.return_value = {
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'.': {'value': 0, 'counts': True},
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'd': {'value': None, 'counts': False} # Dispensé
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}
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calculator = UnifiedGradingCalculator(config_provider)
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# Test valeur spéciale "."
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assert calculator.calculate_score('.', 'notes', 20.0) == 0.0
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# Test valeur spéciale "d" (dispensé)
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assert calculator.calculate_score('d', 'notes', 20.0) is None
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def test_calculate_score_normal_values(self):
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# Mock du config provider pour valeurs normales
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config_provider = Mock()
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config_provider.is_special_value.return_value = False
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calculator = UnifiedGradingCalculator(config_provider)
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# Test notes normales
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assert calculator.calculate_score('15.5', 'notes', 20.0) == 15.5
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# Test scores normaux
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assert calculator.calculate_score('2', 'score', 3.0) == 2.0
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def test_is_counted_in_total(self):
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config_provider = Mock()
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config_provider.is_special_value.return_value = True
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config_provider.get_special_values.return_value = {
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'.': {'counts': True},
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'd': {'counts': False}
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}
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calculator = UnifiedGradingCalculator(config_provider)
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assert calculator.is_counted_in_total('.') == True
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assert calculator.is_counted_in_total('d') == False
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class TestAssessmentProgressService:
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"""Test du service de progression."""
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def test_calculate_grading_progress_no_students(self):
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# Mock de l'assessment sans étudiants
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assessment = Mock()
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assessment.class_group.students = []
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db_provider = Mock()
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service = AssessmentProgressService(db_provider)
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result = service.calculate_grading_progress(assessment)
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assert result.percentage == 0
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assert result.status == 'no_students'
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assert result.students_count == 0
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def test_calculate_grading_progress_normal(self):
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# Mock de l'assessment avec étudiants
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assessment = Mock()
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assessment.id = 1
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assessment.class_group.students = [Mock(), Mock()] # 2 étudiants
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# Mock du provider de données
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db_provider = Mock()
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db_provider.get_grading_elements_with_students.return_value = [
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{'completed_grades_count': 1}, # Élément 1: 1/2 complété
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{'completed_grades_count': 2} # Élément 2: 2/2 complété
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]
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service = AssessmentProgressService(db_provider)
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result = service.calculate_grading_progress(assessment)
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# 3 notes complétées sur 4 possibles = 75%
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assert result.percentage == 75
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assert result.completed == 3
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assert result.total == 4
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assert result.status == 'in_progress'
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assert result.students_count == 2
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class TestStudentScoreCalculator:
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"""Test du calculateur de scores étudiants."""
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def test_calculate_student_scores(self):
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# Configuration des mocks
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grading_calculator = Mock()
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grading_calculator.calculate_score.return_value = 10.0
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grading_calculator.is_counted_in_total.return_value = True
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db_provider = Mock()
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db_provider.get_grades_for_assessment.return_value = [
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{
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'student_id': 1,
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'grading_element_id': 1,
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'value': '10',
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'grading_type': 'notes',
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'max_points': 20.0
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}
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]
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# Mock de l'assessment
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student = Mock()
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student.id = 1
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student.first_name = 'Jean'
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student.last_name = 'Dupont'
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exercise = Mock()
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exercise.id = 1
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exercise.title = 'Exercice 1'
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exercise.grading_elements = [Mock()]
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exercise.grading_elements[0].id = 1
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exercise.grading_elements[0].max_points = 20.0
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exercise.grading_elements[0].grading_type = 'notes'
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assessment = Mock()
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assessment.id = 1
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assessment.class_group.students = [student]
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assessment.exercises = [exercise]
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calculator = StudentScoreCalculator(grading_calculator, db_provider)
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students_scores, exercise_scores = calculator.calculate_student_scores(assessment)
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assert len(students_scores) == 1
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assert 1 in students_scores
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student_score = students_scores[1]
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assert student_score.student_id == 1
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assert student_score.student_name == 'Jean Dupont'
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assert student_score.total_score == 10.0
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class TestAssessmentStatisticsService:
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"""Test du service de statistiques."""
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def test_get_assessment_statistics_no_scores(self):
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score_calculator = Mock()
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score_calculator.calculate_student_scores.return_value = ({}, {})
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service = AssessmentStatisticsService(score_calculator)
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assessment = Mock()
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result = service.get_assessment_statistics(assessment)
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assert result.count == 0
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assert result.mean == 0
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assert result.median == 0
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def test_get_assessment_statistics_with_scores(self):
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# Mock des scores étudiants
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mock_scores = {
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1: StudentScore(1, 'Student 1', 15.0, 20.0, {}),
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2: StudentScore(2, 'Student 2', 18.0, 20.0, {}),
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3: StudentScore(3, 'Student 3', 12.0, 20.0, {})
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}
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score_calculator = Mock()
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score_calculator.calculate_student_scores.return_value = (mock_scores, {})
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service = AssessmentStatisticsService(score_calculator)
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assessment = Mock()
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result = service.get_assessment_statistics(assessment)
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assert result.count == 3
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assert result.mean == 15.0 # (15+18+12)/3
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assert result.median == 15.0
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assert result.min == 12.0
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assert result.max == 18.0
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class TestAssessmentServicesFacade:
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"""Test de la facade qui regroupe tous les services."""
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def test_facade_integration(self):
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config_provider = Mock()
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config_provider.is_special_value.return_value = False
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db_provider = Mock()
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db_provider.get_grading_elements_with_students.return_value = []
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db_provider.get_grades_for_assessment.return_value = []
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facade = AssessmentServicesFacade(config_provider, db_provider)
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# Vérifier que tous les services sont disponibles
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assert hasattr(facade, 'grading_calculator')
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assert hasattr(facade, 'progress_service')
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assert hasattr(facade, 'score_calculator')
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assert hasattr(facade, 'statistics_service')
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# Test des méthodes de la facade
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assessment = Mock()
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assessment.id = 1
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assessment.class_group.students = []
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progress = facade.get_grading_progress(assessment)
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assert isinstance(progress, ProgressResult)
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students, exercises = facade.calculate_student_scores(assessment)
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assert isinstance(students, dict)
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assert isinstance(exercises, dict)
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stats = facade.get_statistics(assessment)
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assert isinstance(stats, StatisticsResult)
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class TestRegressionCompatibility:
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"""Tests de régression pour s'assurer de la rétrocompatibilité."""
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def test_grading_progress_api_compatibility(self):
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"""S'assurer que l'API grading_progress reste identique."""
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config_provider = Mock()
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db_provider = Mock()
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db_provider.get_grading_elements_with_students.return_value = [
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{'completed_grades_count': 5}
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]
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facade = AssessmentServicesFacade(config_provider, db_provider)
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assessment = Mock()
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assessment.id = 1
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assessment.class_group.students = [Mock(), Mock()] # 2 étudiants
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progress = facade.get_grading_progress(assessment)
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# L'API originale retournait un dict, vérifions les clés
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expected_keys = {'percentage', 'completed', 'total', 'status', 'students_count'}
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actual_dict = asdict(progress)
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assert set(actual_dict.keys()) == expected_keys
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def test_calculate_student_scores_api_compatibility(self):
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"""S'assurer que calculate_student_scores garde la même signature."""
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config_provider = Mock()
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config_provider.is_special_value.return_value = False
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db_provider = Mock()
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db_provider.get_grades_for_assessment.return_value = []
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facade = AssessmentServicesFacade(config_provider, db_provider)
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assessment = Mock()
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assessment.id = 1
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assessment.class_group.students = []
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assessment.exercises = []
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students_scores, exercise_scores = facade.calculate_student_scores(assessment)
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# L'API originale retournait un tuple de 2 dicts
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assert isinstance(students_scores, dict)
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assert isinstance(exercise_scores, dict) |