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https://github.com/gradio-app/gradio.git
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5983836804
* return a Dependency instance from Blocks.load event listener * a test case for chaining then from load event * update CHANGELOG * add test for load.then with blocks re-used * fixes --------- Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
129 lines
3.8 KiB
Python
129 lines
3.8 KiB
Python
import os
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import pytest
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from fastapi.testclient import TestClient
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import gradio as gr
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os.environ["GRADIO_ANALYTICS_ENABLED"] = "False"
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class TestEvent:
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def test_clear_event(self):
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def fn_img_cleared():
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print("image cleared")
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with gr.Blocks() as demo:
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img = gr.Image(
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type="pil", label="Start by uploading an image", elem_id="input_image"
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)
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img.clear(fn_img_cleared, [], [])
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assert demo.config["dependencies"][0]["trigger"] == "clear"
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def test_event_data(self):
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with gr.Blocks() as demo:
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text = gr.Textbox()
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gallery = gr.Gallery()
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def fn_img_index(evt: gr.SelectData):
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return evt.index
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gallery.select(fn_img_index, None, text)
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app, _, _ = demo.launch(prevent_thread_lock=True)
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client = TestClient(app)
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resp = client.post(
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f"{demo.local_url}run/predict",
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json={"fn_index": 0, "data": [], "event_data": {"index": 1, "value": None}},
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)
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assert resp.status_code == 200
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assert resp.json()["data"][0] == "1"
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def test_consecutive_events(self):
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def double(x):
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return x + x
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def reverse(x):
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return x[::-1]
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def clear():
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return ""
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with gr.Blocks() as child:
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txt1 = gr.Textbox()
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txt2 = gr.Textbox()
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txt3 = gr.Textbox()
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txt1.submit(double, txt1, txt2).then(reverse, txt2, txt3).success(
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clear, None, txt1
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)
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with gr.Blocks() as parent:
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txt0 = gr.Textbox()
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txt0.submit(lambda x: x, txt0, txt0)
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child.render()
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assert parent.config["dependencies"][1]["trigger_after"] is None
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assert parent.config["dependencies"][2]["trigger_after"] == 1
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assert parent.config["dependencies"][3]["trigger_after"] == 2
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assert not parent.config["dependencies"][2]["trigger_only_on_success"]
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assert parent.config["dependencies"][3]["trigger_only_on_success"]
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def test_load_chaining(self):
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calls = 0
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def increment():
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nonlocal calls
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calls += 1
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return str(calls)
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with gr.Blocks() as demo:
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out = gr.Textbox(label="Call counter")
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demo.load(increment, inputs=None, outputs=out).then(
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increment, inputs=None, outputs=out
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)
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assert demo.config["dependencies"][0]["trigger"] == "load"
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assert demo.config["dependencies"][0]["trigger_after"] is None
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assert demo.config["dependencies"][1]["trigger"] == "then"
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assert demo.config["dependencies"][1]["trigger_after"] == 0
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def test_load_chaining_reuse(self):
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calls = 0
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def increment():
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nonlocal calls
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calls += 1
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return str(calls)
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with gr.Blocks() as demo:
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out = gr.Textbox(label="Call counter")
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demo.load(increment, inputs=None, outputs=out).then(
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increment, inputs=None, outputs=out
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)
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with gr.Blocks() as demo2:
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demo.render()
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assert demo2.config["dependencies"][0]["trigger"] == "load"
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assert demo2.config["dependencies"][0]["trigger_after"] is None
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assert demo2.config["dependencies"][1]["trigger"] == "then"
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assert demo2.config["dependencies"][1]["trigger_after"] == 0
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class TestEventErrors:
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def test_event_defined_invalid_scope(self):
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with gr.Blocks() as demo:
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textbox = gr.Textbox()
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textbox.blur(lambda x: x + x, textbox, textbox)
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with pytest.raises(AttributeError):
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demo.load(lambda: "hello", None, textbox)
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with pytest.raises(AttributeError):
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textbox.change(lambda x: x + x, textbox, textbox)
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