nickel/tests/examples.rs

use assert_matches::assert_matches;
use nickel_lang::error::{Error, EvalError};
use nickel_lang::program::Program;
use nickel_lang::term::RichTerm;
use std::path::PathBuf;

fn eval_file(file: &str) -> Result<RichTerm, Error> {
    let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
    path.push(format!("examples/{}", file));
    let mut p = Program::new_from_file(path).expect("could not load file as a program");
    p.eval_deep()
}

#[test]
fn config_gcc() {
    eval_file("config-gcc/config-gcc.ncl").unwrap();
}

#[test]
fn fibonacci() {
    eval_file("fibonacci/fibonacci.ncl").unwrap();
}

#[test]
fn arrays() {
    eval_file("arrays/arrays.ncl").unwrap();
}

#[test]
fn merge_main() {
    eval_file("merge/main.ncl").unwrap();
}

#[test]
fn polymorphism() {
    eval_file("polymorphism/polymorphism.ncl").unwrap();
}

#[test]
fn record_contract() {
    eval_file("record-contract/record-contract.ncl").unwrap();
}

#[test]
fn simple_contract_bool() {
    eval_file("simple-contracts/simple-contract-bool.ncl").unwrap();
}

/// This example is expected to fail.
#[test]
fn simple_contract_div() {
    assert_matches!(
        eval_file("simple-contracts/simple-contract-div.ncl"),
        Err(Error::EvalError(EvalError::BlameError(..)))
    );
}