油管视频跟着做，3分57那会：先 watch server，后test httpc_test直接文件无法打开冲突了

Cargo.toml

[package]
name = "intro"
version = "0.1.0"
edition = "2021"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]
tokio = { version = "1.29.1", features = ["full"] }
axum = "0.6"

[dev-dependencies]
anyhow = "1"
httpc-test = "0.1.1"

/src/main.rs

use std::net::SocketAddr;

use axum::{Router, routing::get, response::Html};

#[tokio::main]
async fn main() {
    let routes_hello = Router::new().route(
        "/hello",
        get(|| async { Html("Hello <strong>World!!!</strong>") })
    );

    let addr = SocketAddr::from(([127, 0, 0, 1], 8080));
    println!("->> LISTENING on {}\n", addr);

    axum::Server::bind(&addr)
        .serve(routes_hello.into_make_service())
        .await
        .unwrap();
}

cargo watch -q -c -w .\src\ -x run

/tests/quick_dev.rs

#[allow(unused)]

use anyhow::Result;

#[tokio::test]
async fn quick_dev() -> Result<()> {
    let hc = httpc_test::new_client("http://localhost:8080")?;

    hc.do_get("/hello").await?.print().await?;

    Ok(())
}

cargo test -q quick_dev -- --nocapture

note: LINK : fatal error LNK1104: 无法打开文件“C:\Users\jojo\Desktop\Axum_Full_Course\intro\target\debug\deps\intro.exe”