yawcli 0.2.2

CLI tool that uses your IP address to provide local weather data. Does not work outside the USA.
Documentation 
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use assert_cmd::Command;
use reqwest;
use std::error::Error;

type TestResult<T> = Result<T, Box<dyn Error>>;

const PROGRAM: &str = "yawcli";

// ----- Connection Tests -----
#[test]
fn can_connect_to_ip() -> TestResult<()> {
    // Make sure we get a succesful response from the IP to location website.
    let response = reqwest::blocking::get("https://iplocation.com/")?;
    let _body = response.text()?;

    Ok(())
}

#[test]
fn can_connect_to_weather_api() -> TestResult<()> {
    // Make sure we get a succesful response from the IP to location website.
    let response = reqwest::blocking::get("https://api.weather.gov/points/39.7456,-97.0892")?;
    let _body = response.text()?;

    Ok(())
}
// ----------------------------

// -------- CLI Tests ---------
#[test]
fn run_empty() -> TestResult<()> {
    // Checks if a temp is displayed in fahrenheit
    Command::cargo_bin(PROGRAM)?
        .assert()
        .success()
        .stdout(predicates::str::contains("Temp"))
        .stdout(predicates::str::contains("°F"));
    Ok(())
}

#[test]
fn run_celsius() -> TestResult<()> {
    // Checks if a temp is displayed in celsius
    Command::cargo_bin(PROGRAM)?
        .args(["-c"])
        .assert()
        .success()
        .stdout(predicates::str::contains("Temp"))
        .stdout(predicates::str::contains("°C"));
    Ok(())
}

#[test]
fn run_hours() -> TestResult<()> {
    // Checks if 24 hours worth of data is shown in fahrenheit.
    Command::cargo_bin(PROGRAM)?
        .args(["--hours", "24"])
        .assert()
        .success()
        .stdout(predicates::str::contains("Temp").count(24))
        .stdout(predicates::str::contains("°F").count(24));
    Ok(())
}

#[test]
fn run_hours_celsius() -> TestResult<()> {
    // Checks if 24 hours worth of data is shown in celsius.
    Command::cargo_bin(PROGRAM)?
        .args(["-c", "--hours", "24"])
        .assert()
        .success()
        .stdout(predicates::str::contains("Temp").count(24))
        .stdout(predicates::str::contains("°C").count(24));
    Ok(())
}

#[test]
fn run_hours_color() -> TestResult<()> {
    // Checks if 24 hours worth of data is shown with colors.
    Command::cargo_bin(PROGRAM)?
        .args(["--color", "--hours", "24"])
        .assert()
        .success()
        .stdout(predicates::str::contains("\x1b[47;30m").count(12))
        .stdout(predicates::str::contains("\x1b[100;30m").count(12));
    Ok(())
}
// ----------------------------