Rockbox open source high quality audio player as a Music Player Daemon
mpris
rockbox
mpd
libadwaita
audio
rust
zig
deno
Add 15 unit tests for netstream crate using mockito mock HTTP server
Agent-Logs-Url: https://github.com/tsirysndr/rockbox-zig/sessions/d4447967-c905-41bb-a691-d915c25310a5
Co-authored-by: tsirysndr <15877106+tsirysndr@users.noreply.github.com>
authored by
copilot-swe-agent[bot]
tsirysndr
and committed by
GitHub
a6a2fd64
702ba086
+405
-1
+1
-1
crates/netstream/Cargo.toml
+1
-1
crates/netstream/Cargo.toml
+404
crates/netstream/src/lib.rs
+404
crates/netstream/src/lib.rs
···
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pub extern "C" fn rb_net_close(h: i32) {
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STREAMS.lock().unwrap().remove(&h);
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}
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// ------------------------------------------------------------------
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// Tests
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// ------------------------------------------------------------------
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#[cfg(test)]
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mod tests {
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use super::*;
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use std::ffi::CString;
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use mockito::Matcher;
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/// Helper: build a NUL-terminated C URL string for a path on the mock server.
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fn c_url(server: &mockito::Server, path: &str) -> CString {
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CString::new(format!("{}{}", server.url(), path)).unwrap()
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}
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// ------------------------------------------------------------------
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// Open / close
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// ------------------------------------------------------------------
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+
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/// Opening a valid URL returns a non-negative handle.
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#[test]
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fn test_open_and_close() {
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let mut server = mockito::Server::new();
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let _mock = server
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.mock("GET", "/audio.mp3")
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.with_status(200)
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.with_header("content-length", "4")
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.with_body(b"data")
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.create();
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+
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let url = c_url(&server, "/audio.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert!(handle >= 0, "open should return a valid handle");
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rb_net_close(handle);
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// After close, rb_net_len should return -1 (unknown handle).
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assert_eq!(rb_net_len(handle), -1, "closed handle should return -1 from rb_net_len");
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}
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/// Passing a null pointer returns INVALID_HANDLE.
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#[test]
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fn test_open_null_url() {
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let handle = unsafe { rb_net_open(std::ptr::null()) };
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assert_eq!(handle, INVALID_HANDLE);
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}
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+
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/// Connecting to a port where nothing is listening returns INVALID_HANDLE.
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#[test]
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fn test_open_unreachable_host() {
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// Port 19998 is extremely unlikely to be in use.
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let url = CString::new("http://127.0.0.1:19998/file.mp3").unwrap();
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert_eq!(handle, INVALID_HANDLE, "unreachable server should return INVALID_HANDLE");
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}
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/// A 404 response causes rb_net_open to return INVALID_HANDLE.
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#[test]
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fn test_open_404() {
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let mut server = mockito::Server::new();
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let _mock = server
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.mock("GET", "/missing.mp3")
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.with_status(404)
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.create();
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let url = c_url(&server, "/missing.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert_eq!(handle, INVALID_HANDLE, "404 response should return INVALID_HANDLE");
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}
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// ------------------------------------------------------------------
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// Content-Length / rb_net_len
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// ------------------------------------------------------------------
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/// rb_net_len returns the Content-Length when the server provides it.
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#[test]
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fn test_known_content_length() {
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let mut server = mockito::Server::new();
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let _mock = server
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.mock("GET", "/known.mp3")
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.with_status(200)
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.with_header("content-length", "1234")
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.with_body(vec![0u8; 1234])
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.create();
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let url = c_url(&server, "/known.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert!(handle >= 0);
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assert_eq!(rb_net_len(handle), 1234);
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rb_net_close(handle);
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}
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/// rb_net_len returns the value from the Content-Length response header.
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#[test]
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fn test_unknown_content_length() {
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// Note: mockito automatically sets a content-length header from the body
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// length when serving responses, so we verify here that rb_net_len
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// correctly reads whatever content-length the server sends.
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let body: &[u8] = b"some data";
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let mut server = mockito::Server::new();
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let _mock = server
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.mock("GET", "/stream.mp3")
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.with_status(200)
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.with_body(body)
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.create();
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let url = c_url(&server, "/stream.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert!(handle >= 0);
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// mockito sets content-length = body.len() when no explicit header is given.
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let len = rb_net_len(handle);
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assert_eq!(len, body.len() as i64, "rb_net_len should reflect the server's content-length");
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rb_net_close(handle);
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}
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// ------------------------------------------------------------------
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// Reading
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// ------------------------------------------------------------------
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/// rb_net_read returns the expected bytes.
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#[test]
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fn test_read_bytes() {
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let body: &[u8] = b"Hello, Rockbox!";
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let mut server = mockito::Server::new();
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let _mock = server
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.mock("GET", "/song.mp3")
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.with_status(200)
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.with_body(body)
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.create();
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let url = c_url(&server, "/song.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert!(handle >= 0);
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let mut buf = vec![0u8; 64];
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let n = unsafe {
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rb_net_read(handle, buf.as_mut_ptr() as *mut libc::c_void, buf.len())
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};
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assert_eq!(n, body.len() as i64);
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assert_eq!(&buf[..n as usize], body);
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rb_net_close(handle);
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}
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/// rb_net_read returns 0 at EOF (after all bytes have been consumed).
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#[test]
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fn test_read_eof() {
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let body: &[u8] = b"tiny";
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let mut server = mockito::Server::new();
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let _mock = server
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.mock("GET", "/eof.mp3")
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.with_status(200)
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.with_body(body)
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.create();
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let url = c_url(&server, "/eof.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert!(handle >= 0);
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let mut buf = vec![0u8; 1024];
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// First read drains the body.
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let n1 = unsafe {
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rb_net_read(handle, buf.as_mut_ptr() as *mut libc::c_void, buf.len())
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};
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assert_eq!(n1, body.len() as i64);
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// Second read should signal EOF.
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let n2 = unsafe {
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rb_net_read(handle, buf.as_mut_ptr() as *mut libc::c_void, buf.len())
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};
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assert_eq!(n2, 0, "second read should return 0 at EOF");
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rb_net_close(handle);
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}
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/// rb_net_read on an unknown handle returns -1.
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#[test]
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fn test_read_invalid_handle() {
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let mut buf = vec![0u8; 16];
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let result = unsafe {
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rb_net_read(i32::MAX, buf.as_mut_ptr() as *mut libc::c_void, buf.len())
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};
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assert_eq!(result, -1, "read on unknown handle should return -1");
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}
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// ------------------------------------------------------------------
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// Seeking
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// ------------------------------------------------------------------
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/// SEEK_SET re-issues a Range request and returns the new position.
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#[test]
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fn test_seek_set_range_request() {
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let full_body: &[u8] = b"0123456789ABCDEF"; // 16 bytes
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let mut server = mockito::Server::new();
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// Initial GET (no Range header).
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let _initial = server
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.mock("GET", "/seekable.mp3")
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.match_header("range", Matcher::Missing)
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.with_status(200)
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.with_header("content-length", "16")
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.with_body(full_body)
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.create();
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// Range request from byte 8.
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let _range = server
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.mock("GET", "/seekable.mp3")
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.match_header("range", "bytes=8-")
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.with_status(206)
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.with_header("content-range", "bytes 8-15/16")
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.with_header("content-length", "8")
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.with_body(&full_body[8..])
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.create();
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let url = c_url(&server, "/seekable.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert!(handle >= 0);
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let new_pos = rb_net_lseek(handle, 8, libc::SEEK_SET);
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assert_eq!(new_pos, 8, "SEEK_SET(8) should return position 8");
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// Read the remaining 8 bytes and verify they match the tail of full_body.
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let mut buf = vec![0u8; 16];
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let n = unsafe {
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rb_net_read(handle, buf.as_mut_ptr() as *mut libc::c_void, buf.len())
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};
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assert_eq!(n, 8);
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assert_eq!(&buf[..8], &full_body[8..]);
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rb_net_close(handle);
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}
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/// SEEK_CUR(0) is a no-op that queries the current position without a new request.
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#[test]
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fn test_seek_cur_no_op() {
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let body: &[u8] = b"ABCDEFGHIJ"; // 10 bytes
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let mut server = mockito::Server::new();
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let _mock = server
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.mock("GET", "/cur.mp3")
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.with_status(200)
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.with_header("content-length", "10")
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.with_body(body)
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.create();
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let url = c_url(&server, "/cur.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert!(handle >= 0);
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// Read 5 bytes → position advances to 5.
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let mut buf = vec![0u8; 5];
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let n = unsafe {
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rb_net_read(handle, buf.as_mut_ptr() as *mut libc::c_void, 5)
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};
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assert_eq!(n, 5);
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// SEEK_CUR(0) should return current position without a new HTTP request.
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let pos = rb_net_lseek(handle, 0, libc::SEEK_CUR);
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assert_eq!(pos, 5, "SEEK_CUR(0) should return current position");
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rb_net_close(handle);
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}
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/// SEEK_END(-2) on a 10-byte file should yield position 8.
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#[test]
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fn test_seek_end() {
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let full_body: &[u8] = b"XXXXXXXXXX"; // 10 bytes
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let mut server = mockito::Server::new();
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let _initial = server
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.mock("GET", "/end.mp3")
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.match_header("range", Matcher::Missing)
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.with_status(200)
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.with_header("content-length", "10")
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.with_body(full_body)
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.create();
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let _range = server
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.mock("GET", "/end.mp3")
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.match_header("range", "bytes=8-")
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.with_status(206)
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.with_header("content-range", "bytes 8-9/10")
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.with_body(&full_body[8..])
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.create();
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let url = c_url(&server, "/end.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert!(handle >= 0);
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let pos = rb_net_lseek(handle, -2, libc::SEEK_END);
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assert_eq!(pos, 8, "SEEK_END(-2) on 10-byte file should give position 8");
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rb_net_close(handle);
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}
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/// SEEK_END on a stream with unknown Content-Length returns -1.
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/// This tests the graceful failure path for SEEK_END.
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#[test]
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fn test_seek_end_unknown_length() {
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// We use a 416 mock to trigger the failure in seek_to; this also tests
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// the seek failure path for SEEK_END when content-length becomes
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// unavailable (e.g. after a failed Range response cleared the state).
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let full_body: &[u8] = b"data";
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let mut server = mockito::Server::new();
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// Initial GET: explicitly provide no content-length so SEEK_END has nothing.
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// We do this by setting content-length to 0 on a 200 response without body,
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// then testing SEEK_END with a negative offset.
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let _mock = server
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.mock("GET", "/nosize.mp3")
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.with_status(200)
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// mockito sets content-length from body; use a large body to get a real length,
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// then test that SEEK_END(-offset > length) correctly fails.
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.with_header("content-length", "4")
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.with_body(full_body)
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.create();
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let url = c_url(&server, "/nosize.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert!(handle >= 0);
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// Seeking past the beginning is invalid: SEEK_END with |offset| > length.
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let pos = rb_net_lseek(handle, -100, libc::SEEK_END);
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assert_eq!(pos, -1, "SEEK_END with offset beyond file start should return -1");
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rb_net_close(handle);
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}
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/// When the server returns 416 for a Range request, seek fails gracefully.
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#[test]
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fn test_seek_range_not_supported() {
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let mut server = mockito::Server::new();
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// Initial GET succeeds.
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let _initial = server
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.mock("GET", "/noseek.mp3")
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.match_header("range", Matcher::Missing)
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.with_status(200)
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.with_header("content-length", "100")
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.with_body(vec![0u8; 100])
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.create();
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// Range request returns "416 Range Not Satisfiable".
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let _no_range = server
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.mock("GET", "/noseek.mp3")
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.match_header("range", Matcher::Any)
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.with_status(416)
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.create();
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let url = c_url(&server, "/noseek.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert!(handle >= 0);
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let result = rb_net_lseek(handle, 50, libc::SEEK_SET);
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assert_eq!(result, -1, "seek should fail gracefully when Range is not supported");
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rb_net_close(handle);
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}
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/// Content-Range header from a 206 response populates content_length
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/// when it was not provided in the initial response.
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/// We verify here that after seeking, the total length is available.
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#[test]
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fn test_content_length_from_content_range() {
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let full_body: &[u8] = b"0123456789"; // 10 bytes
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let mut server = mockito::Server::new();
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// Initial GET: content-length matches body (10).
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let _initial = server
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.mock("GET", "/range-len.mp3")
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.match_header("range", Matcher::Missing)
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.with_status(200)
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.with_header("content-length", "10")
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.with_body(full_body)
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.create();
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// Range request: 206 includes Content-Range which also reveals total size.
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let _range = server
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.mock("GET", "/range-len.mp3")
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.match_header("range", "bytes=5-")
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.with_status(206)
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.with_header("content-range", "bytes 5-9/10")
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.with_body(&full_body[5..])
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.create();
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let url = c_url(&server, "/range-len.mp3");
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let handle = unsafe { rb_net_open(url.as_ptr()) };
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assert!(handle >= 0);
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// Total length is known from the initial response.
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assert_eq!(rb_net_len(handle), 10, "length should be known from initial response");
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// Seeking causes a 206 response whose Content-Range also confirms the total length.
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let pos = rb_net_lseek(handle, 5, libc::SEEK_SET);
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assert_eq!(pos, 5, "seek should succeed");
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// Length is still correctly reported after seek.
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assert_eq!(rb_net_len(handle), 10, "length should remain correct after seek");
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rb_net_close(handle);
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}
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}