feat: serve single file (#54)

close #53

tests/args.rs

@@ -1,8 +1,11 @@
 mod fixtures;
 mod utils;
 
-use fixtures::{server, Error, TestServer};
+use assert_cmd::prelude::*;
+use assert_fs::fixture::TempDir;
+use fixtures::{port, server, tmpdir, wait_for_port, Error, TestServer};
 use rstest::rstest;
+use std::process::{Command, Stdio};
 
 #[rstest]
 fn path_prefix_index(#[with(&["--path-prefix", "xyz"])] server: TestServer) -> Result<(), Error> {
@@ -28,3 +31,23 @@ fn path_prefix_propfind(
     assert!(text.contains("<D:href>/xyz/</D:href>"));
     Ok(())
 }
+
+#[rstest]
+#[case("index.html")]
+fn serve_single_file(tmpdir: TempDir, port: u16, #[case] file: &str) -> Result<(), Error> {
+    let mut child = Command::cargo_bin("duf")?
+        .env("RUST_LOG", "false")
+        .arg(tmpdir.path().join(file))
+        .arg("-p")
+        .arg(port.to_string())
+        .stdout(Stdio::piped())
+        .spawn()?;
+
+    wait_for_port(port);
+
+    let resp = reqwest::blocking::get(format!("http://localhost:{}/index.html", port))?;
+    assert_eq!(resp.text()?, "This is index.html");
+
+    child.kill()?;
+    Ok(())
+}

tests/bind.rs

@@ -1,6 +1,6 @@
 mod fixtures;
 
-use fixtures::{port, server, tmpdir, Error, TestServer};
+use fixtures::{port, server, tmpdir, wait_for_port, Error, TestServer};
 
 use assert_cmd::prelude::*;
 use assert_fs::fixture::TempDir;
@@ -59,6 +59,8 @@ fn validate_printed_urls(tmpdir: TempDir, port: u16, #[case] args: &[&str]) -> R
         .stdout(Stdio::piped())
         .spawn()?;
 
+    wait_for_port(port);
+
     // WARN assumes urls list is terminated by an empty line
     let url_lines = BufReader::new(child.stdout.take().unwrap())
         .lines()

tests/fixtures.rs

@@ -142,7 +142,7 @@ where
 }
 
 /// Wait a max of 1s for the port to become available.
-fn wait_for_port(port: u16) {
+pub fn wait_for_port(port: u16) {
     let start_wait = Instant::now();
 
     while !port_check::is_port_reachable(format!("localhost:{}", port)) {

tests/http.rs

@@ -105,6 +105,7 @@ fn head_file(server: TestServer) -> Result<(), Error> {
     assert_eq!(resp.status(), 200);
     assert_eq!(resp.headers().get("content-type").unwrap(), "text/html");
     assert_eq!(resp.headers().get("accept-ranges").unwrap(), "bytes");
+    assert!(resp.headers().contains_key("content-disposition"));
     assert!(resp.headers().contains_key("etag"));
     assert!(resp.headers().contains_key("last-modified"));
     assert!(resp.headers().contains_key("content-length"));