use std::str::from_utf8;

use socket_server_mocker::Instruction::{ReceiveMessage, SendMessage, StopExchange};
use socket_server_mocker::ServerMocker;

#[test]
fn http_get() {
    // Mock HTTP server on a random free port
    let server = ServerMocker::tcp().unwrap();

    server.add_mock_instructions(vec![
        // Wait for a HTTP GET request
        ReceiveMessage,
        // Send a HTTP response
        SendMessage(b"HTTP/1.1 200 OK\r\nServer: socket-server-mocker-fake-http\r\nContent-Length: 12\r\nConnection: close\r\nContent-Type: text/plain\r\n\r\nHello, world".to_vec()),
        // Close the connection
        StopExchange,
    ]).unwrap();

    // New reqwest blocking client
    let client = reqwest::blocking::Client::new();
    // Send a HTTP GET request to the mocked server
    let response = client
        .get(format!("http://localhost:{}/", server.port()))
        .send()
        .unwrap();

    // Check response status code
    assert!(response.status().is_success());

    // Check response body
    assert_eq!(response.text().unwrap(), "Hello, world");
    // Check HTTP request received by the mocked server
    assert_eq!(
        format!(
            "GET / HTTP/1.1\r\naccept: */*\r\nhost: localhost:{}\r\n\r\n",
            server.port()
        ),
        from_utf8(&server.pop_received_message().unwrap()).unwrap()
    );

    // Check that no error has been raised by the mocked server
    assert!(server.pop_server_error().is_none());
}