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test: write tests

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Finished chapter 3.5
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Kristofers Solo 2024-03-23 13:55:52 +02:00
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commit c79eca74ee
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name = "winreg"
version = "0.50.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "524e57b2c537c0f9b1e69f1965311ec12182b4122e45035b1508cd24d2adadb1"
dependencies = [
"cfg-if",
"windows-sys 0.48.0",
]
[[package]]
name = "zero2prod"
version = "0.1.0"
dependencies = [
"axum",
"reqwest",
"tokio",
"tower",
"tower-http",
]

21
Cargo.toml
View File

@ -2,9 +2,30 @@
name = "zero2prod"
version = "0.1.0"
edition = "2021"
authors = ["Kristofers Solo <dev@kristofers.xyz>"]
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[lib]
path = "src/lib.rs"
[[bin]]
path = "src/main.rs"
name = "zero2prod"
[dependencies]
axum = "0.7"
tokio = { version = "1", features = ["full"] }
tower-http = { version = "0.5", features = ["trace"] }
[dev-dependencies]
tower = { version = "0.4", features = ["util"] }
reqwest = "0.12"
[package.metadata.clippy]
warn = [
"clippy::pedantic",
"clippy::nursery",
"clippy::unwrap_used",
"clippy::expect_used",
]

21
src/lib.rs Normal file
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@ -0,0 +1,21 @@
use axum::{extract::Path, http::StatusCode, response::IntoResponse, routing::get, Router};
use tower_http::trace::TraceLayer;
pub fn app() -> Router {
Router::new()
.route("/", get(root))
.route("/:name", get(greet))
.route("/health_check", get(health_check))
.layer(TraceLayer::new_for_http())
}
async fn root() -> impl IntoResponse {
"Hello, world!"
}
async fn greet(Path(name): Path<String>) -> impl IntoResponse {
format!("Hello, {name}!")
}
async fn health_check() -> impl IntoResponse {
StatusCode::OK
}

18
src/main.rs
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@ -1,25 +1,11 @@
use std::net::SocketAddr;
use axum::{extract::Path, http::StatusCode, response::IntoResponse, routing::get, Router};
use tokio::net::TcpListener;
use zero2prod::app;
#[tokio::main]
async fn main() {
let router = Router::new()
.route("/", get(root))
.route("/:name", get(greet))
.route("/health_check", get(health_check));
let addr = SocketAddr::from(([127, 0, 0, 1], 8000));
let listener = TcpListener::bind(addr).await.unwrap();
axum::serve(listener, router).await.unwrap();
}
async fn root() -> impl IntoResponse {
"Hello, world!"
}
async fn greet(Path(name): Path<String>) -> impl IntoResponse {
format!("Hello, {name}!")
}
async fn health_check() -> impl IntoResponse {
StatusCode::OK
axum::serve(listener, app()).await.unwrap();
}

25
tests/health_check.rs Normal file
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@ -0,0 +1,25 @@
use std::net::SocketAddr;
use tokio::net::TcpListener;
use zero2prod::app;
#[tokio::test]
async fn health_check() {
spawn_app();
let client = reqwest::Client::new();
let response = client
.get("http://localhost:8000/health_check")
.send()
.await
.expect("Failed to execute request.");
assert!(response.status().is_success());
assert_eq!(Some(0), response.content_length());
}
fn spawn_app() {
let addr = SocketAddr::from(([127, 0, 0, 1], 8000));
let _ = tokio::spawn(async move {
let listener = TcpListener::bind(addr).await.unwrap();
axum::serve(listener, app()).await.unwrap();
});
}