crypto-rest-client 1.0.1

An RESTful client for all cryptocurrency exchanges.
Documentation 
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use std::collections::HashMap;

use crypto_market_type::MarketType;
use crypto_rest_client::{fetch_l2_snapshot, fetch_long_short_ratio, fetch_open_interest};
use serde_json::Value;
use test_case::test_case;

#[test_case(MarketType::InverseFuture, "BTCUSDZ22")]
#[test_case(MarketType::InverseSwap, "BTCUSD")]
#[test_case(MarketType::LinearSwap, "BTCUSDT")]
fn test_l2_snapshot(market_type: MarketType, symbol: &str) {
    let text = fetch_l2_snapshot("bybit", market_type, symbol, Some(3)).unwrap();

    let obj = serde_json::from_str::<HashMap<String, Value>>(&text).unwrap();
    let result = obj.get("result").unwrap();

    assert!(result.is_array());
    assert_eq!(result.as_array().unwrap().len(), 50);
}

#[test_case(MarketType::InverseFuture, "BTCUSDZ22")]
#[test_case(MarketType::InverseSwap, "BTCUSD")]
#[test_case(MarketType::LinearSwap, "BTCUSDT")]
fn test_open_interest(market_type: MarketType, symbol: &str) {
    let text = fetch_open_interest("bybit", market_type, Some(symbol)).unwrap();

    let obj = serde_json::from_str::<HashMap<String, Value>>(&text).unwrap();
    let result = obj.get("result").unwrap().as_array().unwrap();

    assert!(!result.is_empty());
}

#[test_case(MarketType::InverseFuture, "BTCUSDZ22")]
#[test_case(MarketType::InverseSwap, "BTCUSD")]
#[test_case(MarketType::LinearSwap, "BTCUSDT")]
fn test_long_short_ratio(market_type: MarketType, symbol: &str) {
    let text = fetch_long_short_ratio("bybit", market_type, symbol).unwrap();

    let obj = serde_json::from_str::<HashMap<String, Value>>(&text).unwrap();
    let result = obj.get("result").unwrap().as_array().unwrap();

    assert!(!result.is_empty());
}