gradio/test/test_interfaces.py
2021-11-04 19:59:29 -04:00

98 lines
3.9 KiB
Python

from gradio.interface import *
import unittest
import unittest.mock as mock
import requests
import sys
from contextlib import contextmanager
import io
import threading
@contextmanager
def captured_output():
new_out, new_err = io.StringIO(), io.StringIO()
old_out, old_err = sys.stdout, sys.stderr
try:
sys.stdout, sys.stderr = new_out, new_err
yield sys.stdout, sys.stderr
finally:
sys.stdout, sys.stderr = old_out, old_err
class TestInterface(unittest.TestCase):
# send_error_analytics should probably actually be a method of Interface
# (so it doesn't have to take the 'enabled' argument)
# and since it's specific to the launch method, it should probably be
# renamed to send_launch_error_analytics.
# these tests test its current behavior
@mock.patch("requests.post")
def test_error_analytics_doesnt_crash_on_connection_error(self, mock_post):
mock_post.side_effect = requests.ConnectionError()
send_error_analytics(True)
mock_post.assert_called()
@mock.patch("requests.post")
def test_error_analytics_doesnt_post_if_not_enabled(self, mock_post):
send_error_analytics(False)
mock_post.assert_not_called()
@mock.patch("requests.post")
def test_error_analytics_successful(self, mock_post):
send_error_analytics(True)
mock_post.assert_called()
# as above, send_launch_analytics should probably be a method of Interface
@mock.patch("requests.post")
def test_launch_analytics_doesnt_crash_on_connection_error(self, mock_post):
mock_post.side_effect = requests.ConnectionError()
send_launch_analytics(analytics_enabled=True,
inbrowser=True, is_colab="is_colab",
share="share", share_url="share_url")
mock_post.assert_called()
@mock.patch("requests.post")
def test_launch_analytics_doesnt_post_if_not_enabled(self, mock_post):
send_launch_analytics(analytics_enabled=False,
inbrowser=True, is_colab="is_colab",
share="share", share_url="share_url")
mock_post.assert_not_called()
def test_reset_all(self):
interface = Interface(lambda input: None, "textbox", "label")
interface.close = mock.MagicMock()
reset_all()
interface.close.assert_called()
def test_examples_invalid_input(self):
with self.assertRaises(ValueError):
Interface(lambda x: x, examples=1234)
def test_examples_not_valid_path(self):
with self.assertRaises(FileNotFoundError):
interface = Interface(lambda x: x, "textbox", "label", examples='invalid-path')
interface.launch()
def test_test_launch(self):
with captured_output() as (out, err):
prediction_fn = lambda x: x
prediction_fn.__name__ = "prediction_fn"
interface = Interface(prediction_fn, "textbox", "label")
interface.test_launch()
output = out.getvalue().strip()
self.assertEqual(output, 'Test launch: prediction_fn()... PASSED')
@mock.patch("time.sleep")
def test_run_until_interupted(self, mock_sleep):
with self.assertRaises(KeyboardInterrupt):
with captured_output() as (out, err):
mock_sleep.side_effect = KeyboardInterrupt()
interface = Interface(lambda x: x, "textbox", "label")
interface.enable_queue = False
thread = threading.Thread()
thread.keep_running = mock.MagicMock()
interface.run_until_interrupted(thread, None)
output = out.getvalue().strip()
self.assertEqual(output, 'Keyboard interruption in main thread... closing server.')
if __name__ == '__main__':
unittest.main()