Initial Real-ESRGAN API project setup

tests/__init__.py

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+"""
+Test suite for Real-ESRGAN API.
+
+Run with: pytest tests/
+"""
+import asyncio
+import json
+import tempfile
+from pathlib import Path
+from unittest.mock import AsyncMock, Mock, patch
+
+import pytest
+from fastapi.testclient import TestClient
+from PIL import Image
+
+from app.main import app
+from app.services import file_manager, worker
+
+# Test client
+client = TestClient(app)
+
+
+@pytest.fixture
+def temp_dir():
+    """Create temporary directory for tests."""
+    with tempfile.TemporaryDirectory() as tmpdir:
+        yield Path(tmpdir)
+
+
+@pytest.fixture
+def test_image(temp_dir):
+    """Create a test image."""
+    img = Image.new('RGB', (256, 256), color=(73, 109, 137))
+    path = temp_dir / 'test.jpg'
+    img.save(path)
+    return path
+
+
+class TestHealth:
+    def test_health_check(self):
+        """Test health check endpoint."""
+        response = client.get('/api/v1/health')
+        assert response.status_code == 200
+        data = response.json()
+        assert data['status'] == 'ok'
+        assert data['version'] == '1.0.0'
+        assert 'uptime_seconds' in data
+
+    def test_liveness(self):
+        """Test liveness probe."""
+        response = client.get('/api/v1/health/live')
+        assert response.status_code == 200
+        assert response.json()['alive'] is True
+
+
+class TestModels:
+    def test_list_models(self):
+        """Test listing models."""
+        response = client.get('/api/v1/models')
+        assert response.status_code == 200
+        data = response.json()
+        assert 'available_models' in data
+        assert 'total_models' in data
+        assert 'local_models' in data
+        assert isinstance(data['available_models'], list)
+
+    def test_models_info(self):
+        """Test models directory info."""
+        response = client.get('/api/v1/models-info')
+        assert response.status_code == 200
+        data = response.json()
+        assert 'models_directory' in data
+        assert 'total_size_mb' in data
+        assert 'model_count' in data
+
+
+class TestSystem:
+    def test_system_info(self):
+        """Test system information."""
+        response = client.get('/api/v1/system')
+        assert response.status_code == 200
+        data = response.json()
+        assert data['status'] == 'ok'
+        assert 'cpu_usage_percent' in data
+        assert 'memory_usage_percent' in data
+        assert 'disk_usage_percent' in data
+        assert 'execution_providers' in data
+
+    def test_stats(self):
+        """Test statistics endpoint."""
+        response = client.get('/api/v1/stats')
+        assert response.status_code == 200
+        data = response.json()
+        assert 'total_requests' in data
+        assert 'successful_requests' in data
+        assert 'failed_requests' in data
+
+
+class TestFileManager:
+    def test_ensure_directories(self):
+        """Test directory creation."""
+        with tempfile.TemporaryDirectory() as tmpdir:
+            # Mock settings
+            with patch('app.services.file_manager.settings.upload_dir', f'{tmpdir}/uploads'):
+                with patch('app.services.file_manager.settings.output_dir', f'{tmpdir}/outputs'):
+                    file_manager.ensure_directories()
+                    assert Path(f'{tmpdir}/uploads').exists()
+                    assert Path(f'{tmpdir}/outputs').exists()
+
+    def test_generate_output_path(self):
+        """Test output path generation."""
+        input_path = '/tmp/test.jpg'
+        output_path = file_manager.generate_output_path(input_path)
+        assert output_path.endswith('.jpg')
+        assert 'upscaled' in output_path
+
+    def test_cleanup_directory(self, temp_dir):
+        """Test directory cleanup."""
+        test_dir = temp_dir / 'test_cleanup'
+        test_dir.mkdir()
+        (test_dir / 'file.txt').write_text('test')
+        
+        assert test_dir.exists()
+        file_manager.cleanup_directory(str(test_dir))
+        assert not test_dir.exists()
+
+
+class TestWorker:
+    def test_job_creation(self):
+        """Test job creation."""
+        job = worker.Job(
+            job_id='test-id',
+            status='queued',
+            input_path='/tmp/input.jpg',
+            output_path='/tmp/output.jpg',
+            model='RealESRGAN_x4plus',
+        )
+        
+        assert job.job_id == 'test-id'
+        assert job.status == 'queued'
+        assert 'created_at' in job.to_dict()
+
+    def test_job_metadata_save(self, temp_dir):
+        """Test job metadata persistence."""
+        with patch('app.services.worker.settings.jobs_dir', str(temp_dir)):
+            job = worker.Job(
+                job_id='test-id',
+                status='queued',
+                input_path='/tmp/input.jpg',
+                output_path='/tmp/output.jpg',
+                model='RealESRGAN_x4plus',
+            )
+            
+            job.save_metadata()
+            metadata_file = temp_dir / 'test-id' / 'metadata.json'
+            assert metadata_file.exists()
+            
+            data = json.loads(metadata_file.read_text())
+            assert data['job_id'] == 'test-id'
+            assert data['status'] == 'queued'
+
+
+class TestJobEndpoints:
+    def test_list_jobs(self):
+        """Test listing jobs endpoint."""
+        response = client.get('/api/v1/jobs')
+        assert response.status_code == 200
+        data = response.json()
+        assert 'total' in data
+        assert 'jobs' in data
+        assert 'returned' in data
+
+    def test_job_not_found(self):
+        """Test requesting non-existent job."""
+        response = client.get('/api/v1/jobs/nonexistent-id')
+        assert response.status_code == 404
+
+
+class TestRootEndpoint:
+    def test_root(self):
+        """Test root endpoint."""
+        response = client.get('/')
+        assert response.status_code == 200
+        data = response.json()
+        assert 'name' in data
+        assert 'version' in data
+        assert 'endpoints' in data
+
+
+if __name__ == '__main__':
+    pytest.main([__file__, '-v'])