fsm-guards 0.1.1

Fuel-metered JSONLogic guard evaluation with per-call custom operators — forked from jsonlogic-rs
Documentation 
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use fsm_guards::{ApplyError, GuardError};

#[test]
fn apply_error_unknown_operator_display() {
    assert_eq!(
        ApplyError::UnknownOperator("my_op".into()).to_string(),
        "unknown operator: my_op"
    );
}

#[test]
fn apply_error_invalid_arguments_display() {
    assert_eq!(
        ApplyError::InvalidArguments("expected 2 args".into()).to_string(),
        "invalid arguments: expected 2 args"
    );
}

#[test]
fn apply_error_custom_op_failed_display() {
    assert_eq!(
        ApplyError::CustomOpFailed {
            op: "state_in".into(),
            source: "index out of bounds".into(),
        }
        .to_string(),
        "custom operator 'state_in' failed: index out of bounds"
    );
}

#[test]
fn guard_error_missing_var_display() {
    assert_eq!(
        GuardError::MissingVar("customer.id".into()).to_string(),
        "guard references missing variable 'customer.id'"
    );
}

#[test]
fn guard_error_fuel_exceeded_display() {
    assert_eq!(
        GuardError::FuelExceeded { limit: 50 }.to_string(),
        "guard rule too complex (node limit: 50)"
    );
}

#[test]
fn guard_error_custom_op_failed_display() {
    assert_eq!(
        GuardError::CustomOpFailed {
            op: "state_in".into(),
            source: "index out of bounds".into(),
        }
        .to_string(),
        "custom operator 'state_in' failed: index out of bounds"
    );
}

#[test]
fn guard_error_malformed_display() {
    assert_eq!(
        GuardError::Malformed("bad arity".into()).to_string(),
        "guard rule malformed: bad arity"
    );
}

#[test]
fn guard_error_type_error_display() {
    assert_eq!(
        GuardError::TypeError("expected number, got string".into()).to_string(),
        "guard type error: expected number, got string"
    );
}