锁定 ElevenLabs 单次请求与音频时长边界

显式禁用 ElevenLabs 专用 HTTP 客户端重试。增加真实 MP3 帧的 600 秒上下边界回归测试。
2026-08-07 03:35:08 +00:00
parent 9d1f4c1975
commit 9d581bbe8c
2 changed files with 28 additions and 0 deletions
@@ -50,6 +50,7 @@ pub fn build_elevenlabs_audio_http_client(
    settings: &ElevenLabsAudioSettings,
 ) -> Result<reqwest::Client, AudioError> {
    reqwest::Client::builder()
+        .retry(reqwest::retry::never())
        .timeout(std::time::Duration::from_millis(
            settings.request_timeout_ms.max(1),
        ))
@@ -92,6 +92,19 @@ mod tests {

    use super::*;

+    const REAL_MP3_FRAME_OFFSET: usize = 1_374;
+    const REAL_MP3_FRAME_LENGTH: usize = 156;
+
+    fn repeated_real_mp3_frame(frame_count: usize) -> Bytes {
+        let fixture = base64::engine::general_purpose::STANDARD
+            .decode(include_str!("../tests/fixtures/vbr-id3.mp3.base64").trim())
+            .expect("VBR MP3 fixture should decode");
+        let frame = &fixture[REAL_MP3_FRAME_OFFSET..REAL_MP3_FRAME_OFFSET + REAL_MP3_FRAME_LENGTH];
+        assert_eq!(&frame[..4], &[0xff, 0xfb, 0x30, 0xc4]);
+
+        Bytes::from(frame.repeat(frame_count))
+    }
+
    #[test]
    fn duration_guard_uses_only_the_independent_six_hundred_second_limit() {
        for duration in [0.001, 30.5, 60.0, 600.0] {
@@ -128,6 +141,20 @@ mod tests {
        assert!((0.39..=0.46).contains(&duration), "duration={duration}");
    }

+    #[test]
+    fn probe_enforces_the_six_hundred_second_boundary_on_real_mp3_frames() {
+        let accepted_duration = probe_mp3_duration_seconds(repeated_real_mp3_frame(22_968))
+            .expect("real MP3 just below 600 seconds should pass");
+        assert!(
+            (599.9..=600.0).contains(&accepted_duration),
+            "duration={accepted_duration}"
+        );
+
+        let error = probe_mp3_duration_seconds(repeated_real_mp3_frame(22_969))
+            .expect_err("real MP3 just above 600 seconds should fail");
+        assert!(error.contains("不超过 600 秒"), "error={error}");
+    }
+
    #[test]
    fn probe_rejects_non_mp3_and_empty_payloads() {
        for payload in [Bytes::new(), Bytes::from_static(b"<html>error</html>")] {