feat: support customize http log format (#116)

tests/log_http.rs

@@ -0,0 +1,78 @@
+mod fixtures;
+mod utils;
+
+use diqwest::blocking::WithDigestAuth;
+use fixtures::{port, tmpdir, wait_for_port, Error};
+
+use assert_cmd::prelude::*;
+use assert_fs::fixture::TempDir;
+use rstest::rstest;
+use std::io::Read;
+use std::process::{Command, Stdio};
+
+#[rstest]
+#[case(&["-a", "/@user:pass", "--log-format", "$remote_user"], false)]
+#[case(&["-a", "/@user:pass", "--log-format", "$remote_user", "--auth-method", "basic"], true)]
+fn log_remote_user(
+    tmpdir: TempDir,
+    port: u16,
+    #[case] args: &[&str],
+    #[case] is_basic: bool,
+) -> Result<(), Error> {
+    let mut child = Command::cargo_bin("dufs")?
+        .arg(tmpdir.path())
+        .arg("-p")
+        .arg(port.to_string())
+        .args(args)
+        .stdout(Stdio::piped())
+        .spawn()?;
+
+    wait_for_port(port);
+
+    let stdout = child.stdout.as_mut().expect("Failed to get stdout");
+
+    let req = fetch!(b"GET", &format!("http://localhost:{}", port));
+
+    let resp = if is_basic {
+        req.basic_auth("user", Some("pass")).send()?
+    } else {
+        req.send_with_digest_auth("user", "pass")?
+    };
+
+    assert_eq!(resp.status(), 200);
+
+    let mut buf = [0; 1000];
+    let buf_len = stdout.read(&mut buf)?;
+    let output = std::str::from_utf8(&buf[0..buf_len])?;
+
+    assert!(output.lines().last().unwrap().ends_with("user"));
+
+    child.kill()?;
+    Ok(())
+}
+
+#[rstest]
+#[case(&["--log-format", ""])]
+fn no_log(tmpdir: TempDir, port: u16, #[case] args: &[&str]) -> Result<(), Error> {
+    let mut child = Command::cargo_bin("dufs")?
+        .arg(tmpdir.path())
+        .arg("-p")
+        .arg(port.to_string())
+        .args(args)
+        .stdout(Stdio::piped())
+        .spawn()?;
+
+    wait_for_port(port);
+
+    let stdout = child.stdout.as_mut().expect("Failed to get stdout");
+
+    let resp = fetch!(b"GET", &format!("http://localhost:{}", port)).send()?;
+    assert_eq!(resp.status(), 200);
+
+    let mut buf = [0; 1000];
+    let buf_len = stdout.read(&mut buf)?;
+    let output = std::str::from_utf8(&buf[0..buf_len])?;
+
+    assert_eq!(output.lines().last().unwrap(), "");
+    Ok(())
+}