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import unittest
from unittest.mock import patch, MagicMock
from PIL import Image
import base64
import numpy as np
from io import BytesIO
from handler import EndpointHandler
class TestEndpointHandler(unittest.TestCase):
@patch('handler.RealESRGANer')
def setUp(self, mock_RealESRGANer):
self.handler = EndpointHandler(path=".")
self.mock_model = mock_RealESRGANer.return_value
def create_test_image(self, mode='RGB', size=(100, 100)):
image = Image.new(mode, size)
buffered = BytesIO()
image.save(buffered, format="PNG")
return base64.b64encode(buffered.getvalue()).decode()
def get_svg_image(self):
test_image = "test_data/834989.svg"
return test_image
def test_float_outscale(self):
test_image = self.create_test_image()
input_data = {"inputs": {"image": test_image, "outscale": 2.5}}
self.mock_model.enhance.return_value = (np.zeros((250, 250, 3), dtype=np.uint8), None)
result = self.handler(input_data)
self.assertIn("out_image", result)
self.assertIsNone(result["error"])
def test_outscale_too_small(self):
test_image = self.create_test_image()
input_data = {"inputs": {"image": test_image, "outscale": 0.5}}
result = self.handler(input_data)
self.assertIsNone(result["out_image"])
self.assertIn("Outscale must be between 1 and 10", result["error"])
def test_outscale_too_large(self):
test_image = self.create_test_image()
input_data = {"inputs": {"image": test_image, "outscale": 11}}
result = self.handler(input_data)
self.assertIsNone(result["out_image"])
self.assertIn("Outscale must be between 1 and 10", result["error"])
def test_valid_rgb_image(self):
test_image = self.create_test_image()
input_data = {"inputs": {"image": test_image, "outscale": 2}}
self.mock_model.enhance.return_value = (np.zeros((200, 200, 3), dtype=np.uint8), None)
result = self.handler(input_data)
self.assertIn("out_image", result)
self.assertIsNone(result["error"])
self.mock_model.enhance.assert_called_once()
def test_valid_rgba_image(self):
test_image = self.create_test_image(mode='RGBA')
input_data = {"inputs": {"image": test_image, "outscale": 2}}
self.mock_model.enhance.return_value = (np.zeros((400, 400, 4), dtype=np.uint8), None)
result = self.handler(input_data)
self.assertIn("out_image", result)
self.assertIsNone(result["error"])
def test_image_too_large(self):
test_image = self.create_test_image(size=(1500, 1500))
input_data = {"inputs": {"image": test_image}}
result = self.handler(input_data)
self.assertIsNone(result["out_image"])
self.assertIn("Image is too large", result["error"])
def test_missing_image_key(self):
input_data = {"inputs": {}}
result = self.handler(input_data)
self.assertIsNone(result["out_image"])
self.assertIn("Missing key", result["error"])
if __name__ == '__main__':
unittest.main() |