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import dataclasses
from pathlib import Path

import pytest

import gradio
import gradio as gr
from gradio.cli.commands.reload import _setup_config
from gradio.http_server import Server


def build_demo():
    with gr.Blocks() as demo:
        gr.Textbox("")

    return demo


@dataclasses.dataclass
class Config:
    module_name: str
    path: Path
    watch_dirs: list[str]
    demo_name: str


class TestReload:
    @pytest.fixture(autouse=True)
    def argv(self):
        return ["demo/calculator/run.py"]

    @pytest.fixture
    def config(self, monkeypatch, argv) -> Config:
        monkeypatch.setattr("sys.argv", ["gradio"] + argv)
        name = argv[1].replace("--demo-name", "").strip() if len(argv) > 1 else "demo"
        return Config(*_setup_config(argv[0], name))

    @pytest.fixture(params=[{}])
    def reloader(self, config):
        reloader = Server(config)
        reloader.should_exit = True
        yield reloader
        reloader.close()

    def test_config_default_app(self, config):
        assert config.module_name == "demo.calculator.run"

    @pytest.mark.parametrize("argv", [["demo/calculator/run.py", "--demo-name test"]])
    def test_config_custom_app(self, config):
        assert config.module_name == "demo.calculator.run"
        assert config.demo_name == "test"

    def test_config_watch_gradio(self, config):
        gradio_dir = str(Path(gradio.__file__).parent)
        assert gradio_dir in config.watch_dirs

    def test_config_watch_app(self, config):
        demo_dir = str(Path("demo/calculator/run.py").resolve().parent)
        assert demo_dir in config.watch_dirs