qubit-http 0.5.2

/*******************************************************************************
 *
 *    Copyright (c) 2025 - 2026 Haixing Hu.
 *
 *    SPDX-License-Identifier: Apache-2.0
 *
 *    Licensed under the Apache License, Version 2.0.
 *
 ******************************************************************************/

use bytes::Bytes;
use http::header::RETRY_AFTER;
use http::{
    HeaderMap,
    HeaderValue,
    Method,
    StatusCode,
};
use qubit_http::{
    HttpErrorKind,
    HttpResponse,
};
use url::Url;

#[tokio::test]
async fn test_http_response_text_decode_error_contains_status_and_url() {
    let mut response = HttpResponse::new(
        StatusCode::OK,
        HeaderMap::new(),
        Bytes::from_static(&[0xFF, 0xFE]),
        Url::parse("https://example.com/bin").unwrap(),
        Method::GET,
    );
    let error = response.text().await.unwrap_err();
    assert_eq!(error.kind, HttpErrorKind::Decode);
    assert_eq!(error.status, Some(StatusCode::OK));
    assert_eq!(
        error.url,
        Some(Url::parse("https://example.com/bin").unwrap())
    );
}

#[tokio::test]
async fn test_http_response_json_decode_error_contains_status_and_url() {
    let mut response = HttpResponse::new(
        StatusCode::OK,
        HeaderMap::new(),
        Bytes::from_static(b"not-json"),
        Url::parse("https://example.com/json").unwrap(),
        Method::GET,
    );
    let error = response.json::<serde_json::Value>().await.unwrap_err();
    assert_eq!(error.kind, HttpErrorKind::Decode);
    assert_eq!(error.status, Some(StatusCode::OK));
    assert_eq!(
        error.url,
        Some(Url::parse("https://example.com/json").unwrap())
    );
}

#[test]
fn test_http_response_is_success_reports_status_class() {
    let response = HttpResponse::new(
        StatusCode::OK,
        HeaderMap::new(),
        Bytes::from_static(b"ok"),
        Url::parse("https://example.com/ok").unwrap(),
        Method::GET,
    );

    assert!(response.is_success());
    assert!(!HttpResponse::new(
        StatusCode::BAD_REQUEST,
        HeaderMap::new(),
        Bytes::new(),
        Url::parse("https://example.com/bad").unwrap(),
        Method::GET,
    )
    .is_success());
}

#[test]
fn test_http_response_meta_accessor_returns_shared_metadata() {
    let response = HttpResponse::new(
        StatusCode::ACCEPTED,
        HeaderMap::new(),
        Bytes::from_static(b"queued"),
        Url::parse("https://example.com/jobs/1").unwrap(),
        Method::POST,
    );

    let meta = response.meta();
    assert_eq!(meta.status, StatusCode::ACCEPTED);
    assert_eq!(meta.url, Url::parse("https://example.com/jobs/1").unwrap());
    assert_eq!(meta.method, Method::POST);
}

#[test]
fn test_http_response_retry_after_hint_handles_applicable_status_and_past_date() {
    let mut headers = HeaderMap::new();
    headers.insert(
        RETRY_AFTER,
        HeaderValue::from_static("Wed, 21 Oct 2015 07:28:00 GMT"),
    );
    let response = HttpResponse::new(
        StatusCode::SERVICE_UNAVAILABLE,
        headers.clone(),
        Bytes::new(),
        Url::parse("https://example.com/retry-after").unwrap(),
        Method::GET,
    );
    assert_eq!(response.retry_after_hint(), Some(std::time::Duration::ZERO));

    let success = HttpResponse::new(
        StatusCode::OK,
        headers,
        Bytes::new(),
        Url::parse("https://example.com/no-retry-after").unwrap(),
        Method::GET,
    );
    assert_eq!(success.retry_after_hint(), None);
}

#[tokio::test]
async fn test_http_response_text_success_returns_body() {
    let mut response = HttpResponse::new(
        StatusCode::OK,
        HeaderMap::new(),
        Bytes::from_static(b"hello"),
        Url::parse("https://example.com/utf8").unwrap(),
        Method::GET,
    );

    let text = response.text().await.expect("valid utf8 should decode");
    assert_eq!(text, "hello");
}

#[tokio::test]
async fn test_http_response_json_success_decodes_value() {
    let mut response = HttpResponse::new(
        StatusCode::OK,
        HeaderMap::new(),
        Bytes::from_static(b"{\"n\":42}"),
        Url::parse("https://example.com/json-ok").unwrap(),
        Method::GET,
    );

    let value = response
        .json::<serde_json::Value>()
        .await
        .expect("json payload should decode");
    assert_eq!(value["n"], 42);
}