gradio/test/test_inputs.py

import unittest
import os
from gradio import inputs

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RAND_STRING = "2wBDAAYEBQYFBAYGBQYHBwYIC"
PACKAGE_NAME = 'gradio'


class TestSketchpad(unittest.TestCase):
    def test_path_exists(self):
        inp = inputs.Sketchpad()
        path = inputs.BASE_INPUT_INTERFACE_JS_PATH.format(inp.get_name())
        self.assertTrue(os.path.exists(os.path.join('..', PACKAGE_NAME, path)))

    def test_preprocessing(self):
        inp = inputs.Sketchpad()
        array = inp.preprocess(BASE64_IMG)
        self.assertEqual(array.shape, (1, 28, 28))


class TestWebcam(unittest.TestCase):
    def test_path_exists(self):
        inp = inputs.Webcam()
        path = inputs.BASE_INPUT_INTERFACE_JS_PATH.format(inp.get_name())
        self.assertFalse(os.path.exists(os.path.join('..', PACKAGE_NAME, path)))  # Note implemented yet.

    def test_preprocessing(self):
        inp = inputs.Webcam()
        array = inp.preprocess(BASE64_IMG)
        self.assertEqual(array.shape, (1, 224, 224, 3))


class TestTextbox(unittest.TestCase):
    def test_path_exists(self):
        inp = inputs.Textbox()
        path = inputs.BASE_INPUT_INTERFACE_JS_PATH.format(inp.get_name())
        self.assertTrue(os.path.exists(os.path.join('..', PACKAGE_NAME, path)))

    def test_preprocessing(self):
        inp = inputs.Textbox()
        string = inp.preprocess(RAND_STRING)
        self.assertEqual(string, RAND_STRING)


class TestImageUpload(unittest.TestCase):
    def test_path_exists(self):
        inp = inputs.ImageUpload()
        path = inputs.BASE_INPUT_INTERFACE_JS_PATH.format(inp.get_name())
        self.assertTrue(os.path.exists(os.path.join('..', PACKAGE_NAME, path)))

    def test_preprocessing(self):
        inp = inputs.ImageUpload()
        array = inp.preprocess(BASE64_IMG)
        self.assertEqual(array.shape, (1, 224, 224, 3))

    def test_preprocessing(self):
        inp = inputs.ImageUpload()
        inp.image_height = 48
        inp.image_width = 48
        array = inp.preprocess(BASE64_IMG)
        self.assertEqual(array.shape, (1, 48, 48, 3))

if __name__ == '__main__':
    unittest.main()