start testing tutorial workflow

2 files changed, 168 insertions, 0 deletions

diff --git a/tests/tutorial/mod.rs b/tests/tutorial/mod.rs
new file mode 100644
index 0000000..576d3af
--- /dev/null
+++ b/tests/tutorial/mod.rs
@@ -0,0 +1,155 @@
+use std::env::set_current_dir;
+use std::fs;
+use std::io::Read;
+use std::path::Path;
+use std::process::Command;
+
+trait ExitStatusExt {
+    fn check(self);
+}
+
+impl ExitStatusExt for std::process::ExitStatus {
+    fn check(self) {
+        assert!(self.success());
+    }
+}
+
+const CARGO: &str = env!("CARGO");
+const PROJECT_DIR: &str = env!("CARGO_MANIFEST_DIR");
+const TOSIN_ADMIN: &str = env!("CARGO_BIN_EXE_tosin-admin");
+
+fn get(url: &'static str) -> (hyper::StatusCode, String) {
+    let get = async {
+        use hyper::{Client, Uri};
+
+        let client = Client::new();
+
+        let res = client.get(Uri::from_static(url)).await.unwrap();
+
+        let status = res.status();
+
+        let body = hyper::body::to_bytes(res).await.unwrap();
+        let body = String::from_utf8_lossy(&body).into_owned();
+
+        (status, body)
+    };
+    tokio::runtime::Builder::new_multi_thread()
+        .enable_all()
+        .build()
+        .unwrap()
+        .block_on(get)
+}
+
+pub fn step1(dest: &str) {
+    // tosin-admin start-project {dest}
+    set_current_dir(PROJECT_DIR).unwrap();
+    set_current_dir("target").unwrap();
+    if fs::metadata(dest).is_ok() {
+        fs::remove_dir_all(dest).unwrap();
+    }
+    Command::new(TOSIN_ADMIN)
+        .args(&["start-project", dest])
+        .status()
+        .unwrap()
+        .check();
+    set_current_dir(dest).unwrap();
+    assert!(fs::metadata("Cargo.toml").is_ok());
+    assert!(fs::read_to_string("Cargo.toml").unwrap().contains("tosin = "));
+    assert!(fs::metadata("src/main.rs").is_ok());
+    assert!(fs::read_to_string("src/main.rs").unwrap().contains("tosin::main!"));
+
+    // cargo run run-server
+    let mut server = Command::new(CARGO)
+        .args(&["run", "run-server", "8069"])
+        .spawn()
+        .unwrap();
+    let server_poke = get("http://127.0.0.1:8069");
+    assert_eq!(server_poke.0, hyper::StatusCode::NOT_FOUND);
+    server.kill().unwrap();
+    let mut server_stdout = String::new();
+    server.stdout.unwrap().read_to_string(&mut server_stdout).unwrap();
+    assert!(server_stdout.contains("http://127.0.0.1:8069"));
+
+    // could `cargo run start-app polls` or `tosin-admin start-app polls` so
+    // flip a coin i guess
+    if rand::random() {
+        let mut cmd = Command::new(CARGO);
+        cmd.arg("run");
+        cmd
+    } else {
+        Command::new(TOSIN_ADMIN)
+    }
+        .args(&["start-app", "polls"])
+        .status().unwrap().check();
+    assert!(fs::metadata("src/polls/mod.rs").is_ok());
+
+    // write views.rs
+    fs::write("src/polls/views.rs", r#"
+use tosin::http::{Reply, Response};
+
+pub fn index() -> Response {
+    "Hello, world. You're at the polls index.".into_response()
+}
+    "#).unwrap();
+
+    // write urls.rs
+    fs::write("src/polls/urls.rs", r#"
+use tosin::urls::{UrlMap, url_map};
+
+use super::views;
+
+pub fn urls() -> UrlMap {
+    url_map! {
+        => views::index, // TODO name: "index"
+    }
+}
+    "#).unwrap();
+
+    // update main.rs
+    fs::write("src/main.rs", r#"
+use tosin::Settings;
+use tosin::contrib::admin;
+use tosin::urls::{UrlMap, url_map};
+
+mod polls;
+
+fn urls() -> UrlMap {
+    url_map! {
+        "polls" / ..polls::urls(),
+        "admin" / ..admin::site::urls(),
+    }
+}
+
+fn settings() -> Settings {
+    Settings {
+        ..Settings::default()
+    }
+}
+
+tosin::main!(urls(), settings());
+    "#).unwrap();
+
+    // poke that new route
+    let mut server = Command::new(CARGO)
+        .args(&["run", "run-server", "8069"])
+        .spawn()
+        .unwrap();
+    let server_poke = get("http://127.0.0.1:8069/polls/");
+    assert_eq!(server_poke.0, hyper::StatusCode::OK);
+    assert_eq!(server_poke.1, "Hello, world. You're at the polls index.");
+    server.kill().unwrap();
+
+    // vibe check
+    let example_tutorial1 = Path::new(PROJECT_DIR).join("examples/tutorial01");
+    for file in &["src/main.rs", "src/polls/mod.rs", "src/polls/urls.rs", "src/polls/views.rs"] {
+        let this_file = fs::read_to_string(file).unwrap();
+        let example_tutorial1_path = example_tutorial1.join(file);
+        let example_tutorial1_file = fs::read_to_string(example_tutorial1_path).unwrap();
+        assert_eq!(this_file.trim(), example_tutorial1_file.trim());
+    }
+}
+
+pub fn step2(dest: &str) {
+    step1(dest);
+    todo!();
+}
diff --git a/tests/tutorial_steps.rs b/tests/tutorial_steps.rs
new file mode 100644
index 0000000..5af6eb5
--- /dev/null
+++ b/tests/tutorial_steps.rs
@@ -0,0 +1,13 @@
+mod tutorial;
+
+use tutorial::*;
+
+#[test]
+fn tutorial1() {
+    step1("tutorial1");
+}
+
+#[test]
+fn tutorial2() {
+    step2("tutorial2");
+}