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Tests for the Tomato Plant Flower Classification API.
Run with: pytest tests/test_api.py -v
"""
import os
import sys
import pytest
from fastapi.testclient import TestClient
# Add parent directory to path for imports
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from app.main import app
# Test image path
TEST_IMAGE_PATH = "IMG_1905.jpeg"
@pytest.fixture(scope="module")
def client():
"""Create a test client with MongoDB."""
# Check for MongoDB connection
mongodb_url = os.environ.get("MONGODB_URL")
if not mongodb_url:
pytest.skip("MONGODB_URL environment variable not set. Set it to run tests.")
with TestClient(app) as test_client:
yield test_client
@pytest.fixture
def test_image():
"""Load the test image."""
if not os.path.exists(TEST_IMAGE_PATH):
pytest.skip(f"Test image not found: {TEST_IMAGE_PATH}")
with open(TEST_IMAGE_PATH, "rb") as f:
return f.read()
class TestHealthCheck:
"""Tests for the health check endpoint."""
def test_health_check(self, client):
"""Test that the health check endpoint returns healthy status."""
response = client.get("/")
assert response.status_code == 200
data = response.json()
assert data["status"] == "healthy"
assert "database" in data
assert "timestamp" in data
print(f"\n✓ Health check passed: {data}")
class TestClassifyEndpoint:
"""Tests for the /api/classify endpoint."""
def test_classify_image_success(self, client, test_image):
"""Test successful image classification."""
response = client.post(
"/api/classify",
files={"file": ("test_image.jpeg", test_image, "image/jpeg")},
)
assert response.status_code == 200
data = response.json()
# Verify response structure
assert "id" in data
assert "image_path" in data
assert "location" in data
assert "timestamp" in data
assert "flowers" in data
assert "flower_count" in data
assert "stage_summary" in data
# Verify flowers have correct structure
assert len(data["flowers"]) > 0
for flower in data["flowers"]:
assert "bounding_box" in flower
assert len(flower["bounding_box"]) == 4
assert "stage" in flower
assert flower["stage"] in [0, 1, 2]
assert "confidence" in flower
assert 0 <= flower["confidence"] <= 1
print(f"\n✓ Classification successful:")
print(f" - ID: {data['id']}")
print(f" - Location: {data['location']}")
print(f" - Flower count: {data['flower_count']}")
print(f" - Stage summary: {data['stage_summary']}")
print(f" - Sample flower: {data['flowers'][0]}")
return data["id"]
def test_classify_with_manual_coordinates(self, client, test_image):
"""Test classification with manually provided GPS coordinates."""
response = client.post(
"/api/classify",
files={"file": ("test_image.jpeg", test_image, "image/jpeg")},
data={"latitude": 37.7749, "longitude": -122.4194},
)
assert response.status_code == 200
data = response.json()
assert data["location"]["latitude"] == 37.7749
assert data["location"]["longitude"] == -122.4194
print(f"\n✓ Manual coordinates applied: {data['location']}")
def test_classify_invalid_file_type(self, client):
"""Test that non-image files are rejected."""
response = client.post(
"/api/classify",
files={"file": ("test.txt", b"not an image", "text/plain")},
)
assert response.status_code == 400
assert "image" in response.json()["detail"].lower()
print("\n✓ Invalid file type correctly rejected")
class TestHeatmapEndpoint:
"""Tests for the /api/heatmap-data endpoint."""
def test_heatmap_data_empty(self, client):
"""Test heatmap endpoint with no data."""
response = client.get("/api/heatmap-data")
assert response.status_code == 200
data = response.json()
assert "total_records" in data
assert "data_points" in data
print(f"\n✓ Heatmap endpoint working, records: {data['total_records']}")
def test_heatmap_data_with_classifications(self, client, test_image):
"""Test heatmap endpoint after adding classifications."""
# First, add some classifications
for i in range(3):
client.post(
"/api/classify",
files={"file": (f"test_{i}.jpeg", test_image, "image/jpeg")},
data={"latitude": 37.7749 + i * 0.01, "longitude": -122.4194 + i * 0.01},
)
# Get heatmap data
response = client.get("/api/heatmap-data")
assert response.status_code == 200
data = response.json()
assert data["total_records"] >= 3
# Verify data point structure
for point in data["data_points"]:
assert "id" in point
assert "latitude" in point
assert "longitude" in point
assert "timestamp" in point
assert "flowers" in point
assert "total_flowers" in point
assert "stage_counts" in point
print(f"\n✓ Heatmap data retrieved:")
print(f" - Total records: {data['total_records']}")
for point in data["data_points"][:3]:
print(f" - Point: lat={point['latitude']}, lon={point['longitude']}, flowers={point['total_flowers']}")
class TestGetClassification:
"""Tests for the /api/classifications/{id} endpoint."""
def test_get_classification_success(self, client, test_image):
"""Test retrieving a specific classification."""
# First, create a classification
create_response = client.post(
"/api/classify",
files={"file": ("test.jpeg", test_image, "image/jpeg")},
)
record_id = create_response.json()["id"]
# Get the classification
response = client.get(f"/api/classifications/{record_id}")
assert response.status_code == 200
data = response.json()
assert data["id"] == record_id
print(f"\n✓ Retrieved classification {record_id}")
def test_get_classification_not_found(self, client):
"""Test 404 for non-existent classification."""
response = client.get("/api/classifications/non-existent-id")
assert response.status_code == 404
print("\n✓ 404 returned for non-existent classification")
class TestDeleteClassification:
"""Tests for the DELETE /api/classifications/{id} endpoint."""
def test_delete_classification(self, client, test_image):
"""Test deleting a classification."""
# First, create a classification
create_response = client.post(
"/api/classify",
files={"file": ("test.jpeg", test_image, "image/jpeg")},
)
record_id = create_response.json()["id"]
image_path = create_response.json()["image_path"]
# Delete it
response = client.delete(f"/api/classifications/{record_id}")
assert response.status_code == 200
# Verify it's gone
get_response = client.get(f"/api/classifications/{record_id}")
assert get_response.status_code == 404
# Note: Images are stored in MongoDB, not filesystem
print(f"\n✓ Classification {record_id} deleted successfully")
class TestImageEndpoint:
"""Tests for the /api/images/{id} endpoint."""
def test_get_image(self, client, test_image):
"""Test retrieving an image file."""
# First, create a classification
create_response = client.post(
"/api/classify",
files={"file": ("test.jpeg", test_image, "image/jpeg")},
)
record_id = create_response.json()["id"]
# Get the image
response = client.get(f"/api/images/{record_id}")
assert response.status_code == 200
assert "image" in response.headers.get("content-type", "")
print(f"\n✓ Image retrieved for classification {record_id}")
def run_all_tests():
"""Run all tests and print summary."""
print("=" * 60)
print("TOMATO PLANT FLOWER CLASSIFICATION API - TEST SUITE")
print("=" * 60)
# Run pytest programmatically
exit_code = pytest.main([__file__, "-v", "--tb=short"])
print("\n" + "=" * 60)
if exit_code == 0:
print("ALL TESTS PASSED ✓")
else:
print(f"SOME TESTS FAILED (exit code: {exit_code})")
print("=" * 60)
return exit_code
if __name__ == "__main__":
run_all_tests()
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