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test_blocks.py
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test_blocks.py
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import asyncio
import io
import os
import random
import sys
import time
import unittest
import unittest.mock as mock
from contextlib import contextmanager
from unittest.mock import patch
import mlflow
import pytest
import wandb
import gradio as gr
from gradio.routes import PredictBody
from gradio.test_data.blocks_configs import XRAY_CONFIG
from gradio.utils import assert_configs_are_equivalent_besides_ids
pytest_plugins = ("pytest_asyncio",)
os.environ["GRADIO_ANALYTICS_ENABLED"] = "False"
@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 TestBlocks(unittest.TestCase):
maxDiff = None
def test_set_share(self):
with gr.Blocks() as demo:
# self.share is False when instantiating the class
self.assertFalse(demo.share)
# default is False, if share is None
demo.share = None
self.assertFalse(demo.share)
# if set to True, it doesn't change
demo.share = True
self.assertTrue(demo.share)
@patch("gradio.utils.colab_check")
def test_set_share_in_colab(self, mock_colab_check):
mock_colab_check.return_value = True
with gr.Blocks() as demo:
# self.share is False when instantiating the class
self.assertFalse(demo.share)
# default is True, if share is None and colab_check is true
demo.share = None
self.assertTrue(demo.share)
# if set to True, it doesn't change
demo.share = True
self.assertTrue(demo.share)
def test_xray(self):
def fake_func():
return "Hello There"
xray_model = lambda diseases, img: {
disease: random.random() for disease in diseases
}
ct_model = lambda diseases, img: {disease: 0.1 for disease in diseases}
with gr.Blocks() as demo:
gr.Markdown(
"""
# Detect Disease From Scan
With this model you can lorem ipsum
- ipsum 1
- ipsum 2
"""
)
disease = gr.CheckboxGroup(
choices=["Covid", "Malaria", "Lung Cancer"], label="Disease to Scan For"
)
with gr.Tabs():
with gr.TabItem("X-ray"):
with gr.Row():
xray_scan = gr.Image()
xray_results = gr.JSON()
xray_run = gr.Button("Run")
xray_run.click(
xray_model, inputs=[disease, xray_scan], outputs=xray_results
)
with gr.TabItem("CT Scan"):
with gr.Row():
ct_scan = gr.Image()
ct_results = gr.JSON()
ct_run = gr.Button("Run")
ct_run.click(
ct_model, inputs=[disease, ct_scan], outputs=ct_results
)
textbox = gr.Textbox()
demo.load(fake_func, [], [textbox])
config = demo.get_config_file()
self.assertTrue(assert_configs_are_equivalent_besides_ids(XRAY_CONFIG, config))
def test_load_from_config(self):
def update(name):
return f"Welcome to Gradio, {name}!"
with gr.Blocks() as demo1:
inp = gr.Textbox(placeholder="What is your name?")
out = gr.Textbox()
inp.submit(fn=update, inputs=inp, outputs=out, api_name="greet")
gr.Image().style(height=54, width=240)
config1 = demo1.get_config_file()
demo2 = gr.Blocks.from_config(config1, [update])
config2 = demo2.get_config_file()
self.assertTrue(assert_configs_are_equivalent_besides_ids(config1, config2))
@pytest.mark.asyncio
async def test_async_function(self):
async def wait():
await asyncio.sleep(0.01)
return True
with gr.Blocks() as demo:
text = gr.Textbox()
button = gr.Button()
button.click(wait, [text], [text])
body = PredictBody(data=1, fn_index=0)
start = time.time()
result = await demo.process_api(body)
end = time.time()
difference = end - start
assert difference >= 0.01
assert result
def test_integration_wandb(self):
with captured_output() as (out, err):
wandb.log = mock.MagicMock()
wandb.Html = mock.MagicMock()
demo = gr.Blocks()
with demo:
gr.Textbox("Hi there!")
demo.integrate(wandb=wandb)
self.assertEqual(
out.getvalue().strip(),
"The WandB integration requires you to `launch(share=True)` first.",
)
demo.share_url = "tmp"
demo.integrate(wandb=wandb)
wandb.log.assert_called_once()
@mock.patch("comet_ml.Experiment")
def test_integration_comet(self, mock_experiment):
experiment = mock_experiment()
experiment.log_text = mock.MagicMock()
experiment.log_other = mock.MagicMock()
demo = gr.Blocks()
with demo:
gr.Textbox("Hi there!")
demo.launch(prevent_thread_lock=True)
demo.integrate(comet_ml=experiment)
experiment.log_text.assert_called_with("gradio: " + demo.local_url)
demo.share_url = "tmp" # used to avoid creating real share links.
demo.integrate(comet_ml=experiment)
experiment.log_text.assert_called_with("gradio: " + demo.share_url)
self.assertEqual(experiment.log_other.call_count, 2)
demo.share_url = None
demo.close()
def test_integration_mlflow(self):
mlflow.log_param = mock.MagicMock()
demo = gr.Blocks()
with demo:
gr.Textbox("Hi there!")
demo.launch(prevent_thread_lock=True)
demo.integrate(mlflow=mlflow)
mlflow.log_param.assert_called_with(
"Gradio Interface Local Link", demo.local_url
)
demo.share_url = "tmp" # used to avoid creating real share links.
demo.integrate(mlflow=mlflow)
mlflow.log_param.assert_called_with(
"Gradio Interface Share Link", demo.share_url
)
demo.share_url = None
demo.close()
@mock.patch("requests.post")
def test_initiated_analytics(self, mock_post):
with gr.Blocks(analytics_enabled=True):
pass
mock_post.assert_called_once()
def test_slider_random_value_config():
with gr.Blocks() as demo:
gr.Slider(
value=11.2, minimum=-10.2, maximum=15, label="Non-random Slider (Static)"
)
gr.Slider(
randomize=True, minimum=100, maximum=200, label="Random Slider (Input 1)"
)
gr.Slider(
randomize=True, minimum=10, maximum=23.2, label="Random Slider (Input 2)"
)
for component in demo.blocks.values():
if isinstance(component, gr.components.IOComponent):
if "Non-random" in component.label:
assert not component.attach_load_event
else:
assert component.attach_load_event
dependencies_on_load = [
dep["trigger"] == "load" for dep in demo.config["dependencies"]
]
assert all(dependencies_on_load)
assert len(dependencies_on_load) == 2
assert not any([dep["queue"] for dep in demo.config["dependencies"]])
def test_io_components_attach_load_events_when_value_is_fn(io_components):
io_components = [comp for comp in io_components if not (comp == gr.State)]
interface = gr.Interface(
lambda *args: None,
inputs=[comp(value=lambda: None) for comp in io_components],
outputs=None,
)
dependencies_on_load = [
dep for dep in interface.config["dependencies"] if dep["trigger"] == "load"
]
assert len(dependencies_on_load) == len(io_components)
def test_blocks_do_not_filter_none_values_from_updates(io_components):
io_components = [c() for c in io_components if c not in [gr.State, gr.Button]]
with gr.Blocks() as demo:
for component in io_components:
component.render()
btn = gr.Button(value="Reset")
btn.click(
lambda: [gr.update(value=None) for _ in io_components],
inputs=[],
outputs=io_components,
)
output = demo.postprocess_data(
0, [gr.update(value=None) for _ in io_components], state=None
)
assert all(
[o["value"] == c.postprocess(None) for o, c in zip(output, io_components)]
)
if __name__ == "__main__":
unittest.main()