leo/compiler/tests/mod.rs

pub mod array;
pub mod boolean;
pub mod circuits;
pub mod field;
pub mod function;
pub mod group;
pub mod import;
pub mod integer;
pub mod mutability;
pub mod statements;
pub mod syntax;

use leo_compiler::{
    compiler::Compiler,
    errors::{CompilerError, FunctionError, StatementError},
    group::edwards_bls12::EdwardsGroupType,
    ConstrainedValue,
};

use snarkos_curves::edwards_bls12::Fq;
use snarkos_models::gadgets::r1cs::TestConstraintSystem;
use std::env::current_dir;

pub type EdwardsTestCompiler = Compiler<Fq, EdwardsGroupType>;
pub type EdwardsConstrainedValue = ConstrainedValue<Fq, EdwardsGroupType>;

pub(crate) fn get_output(program: EdwardsTestCompiler) -> EdwardsConstrainedValue {
    let mut cs = TestConstraintSystem::<Fq>::new();
    let output = program.compile_constraints(&mut cs).unwrap();
    assert!(cs.is_satisfied());
    output
}

pub(crate) fn get_error(program: EdwardsTestCompiler) -> CompilerError {
    let mut cs = TestConstraintSystem::<Fq>::new();
    program.compile_constraints(&mut cs).unwrap_err()
}

pub(crate) fn fail_enforce(program: EdwardsTestCompiler) {
    match get_error(program) {
        CompilerError::FunctionError(FunctionError::StatementError(
            StatementError::AssertionFailed(_, _),
        )) => {}
        error => panic!("Expected evaluate error, got {}", error),
    }
}

pub(crate) fn compile_program(
    directory_name: &str,
    file_name: &str,
) -> Result<EdwardsTestCompiler, CompilerError> {
    let path = current_dir().map_err(|error| CompilerError::DirectoryError(error))?;

    // Sanitize the package path to the test directory
    let mut package_path = path.clone();
    if package_path.is_file() {
        package_path.pop();
    }

    // Construct the path to the test file in the test directory
    let mut main_file_path = package_path.clone();
    main_file_path.push(directory_name);
    main_file_path.push(file_name);

    println!("Compiling file - {:?}", main_file_path);

    // Compile from the main file path
    EdwardsTestCompiler::init(file_name.to_string(), main_file_path)
}