yfinance-rs 0.4.0

Ergonomic Rust client for Yahoo Finance, supporting historical prices, real-time streaming, options, fundamentals, and more.
Documentation 
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//! Test/recording helpers for persisting HTTP fixtures.
//! Compiled only when the `test-mode` feature is enabled.

use std::env;
use std::fs;
use std::io::Write;
use std::path::{Path, PathBuf};

pub fn get_fixture_dir() -> PathBuf {
    env::var("YF_FIXDIR").map_or_else(
        |_| Path::new(env!("CARGO_MANIFEST_DIR")).join("tests/fixtures"),
        PathBuf::from,
    )
}

pub fn record_fixture(
    endpoint: &str,
    symbol: &str,
    ext: &str,
    body: &str,
) -> Result<(), std::io::Error> {
    let dir = get_fixture_dir();
    if !dir.exists() {
        fs::create_dir_all(&dir)?;
    }
    let filename = format!("{endpoint}_{symbol}.{ext}");
    let path = dir.join(filename);

    let mut file = fs::File::create(&path)?;
    file.write_all(body.as_bytes())?;

    if env::var("YF_DEBUG").ok().as_deref() == Some("1") {
        eprintln!("YF_RECORD: wrote fixture to {}", path.display());
    }
    Ok(())
}