tests/test_analyzer.py - master - Str1ke/TheProject

tests/test_analyzer.py
63 строки2 KB
AlekseyF7
Initial commit: Student Performance Analyzer project
26 дек 2025, 13:51
26 дек 2025, 13:5184047cc
"""
Тесты для модуля analyzer
"""

import pytest
from src.data_loader import DataLoader
from src.analyzer import PerformanceAnalyzer


class TestPerformanceAnalyzer:
    """Тесты для класса PerformanceAnalyzer"""

    @pytest.fixture
    def analyzer(self):
        """Фикстура для создания анализатора"""
        loader = DataLoader("data/example_data.csv")
        loader.load_data()
        return PerformanceAnalyzer(loader)

    def test_calculate_overall_statistics(self, analyzer):
        """Тест вычисления общей статистики"""
        stats = analyzer.calculate_overall_statistics()

        assert 'total_students' in stats
        assert 'total_subjects' in stats
        assert 'overall_average' in stats
        assert 'overall_median' in stats
        assert stats['total_students'] > 0
        assert stats['overall_average'] > 0

    def test_identify_at_risk_students(self, analyzer):
        """Тест определения студентов группы риска"""
        at_risk = analyzer.identify_at_risk_students(threshold=3.0)

        assert isinstance(at_risk, list)
        for student in at_risk:
            assert 'student_id' in student
            assert 'average_score' in student
            assert student['average_score'] < 3.0

    def test_get_subject_statistics(self, analyzer):
        """Тест получения статистики по предметам"""
        subject_stats = analyzer.get_subject_statistics()

        assert len(subject_stats) > 0
        assert 'subject' in subject_stats.columns
        assert 'average_score' in subject_stats.columns
        assert 'students_count' in subject_stats.columns

    def test_generate_recommendations(self, analyzer):
        """Тест генерации рекомендаций"""
        recommendations = analyzer.generate_recommendations("ST001")

        assert isinstance(recommendations, list)
        assert len(recommendations) > 0
        assert all(isinstance(rec, str) for rec in recommendations)

    def test_get_performance_trends(self, analyzer):
        """Тест анализа трендов"""
        trends = analyzer.get_performance_trends()

        assert 'trend' in trends
        assert 'current_average' in trends