assertthat/build/lib/assertions/forFunctions/assertFunctionIsThrowing.js

assertthat provides fluent TDD.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.assertFunctionIsThrowing = void 0;
const errors_1 = require("../../errors");
const defekt_1 = require("defekt");
const assertFunctionIsThrowing = function (actual, expected) {
    try {
        actual();
        // eslint-disable-next-line @typescript-eslint/no-implicit-any-catch
    }
    catch (ex) {
        if (expected === undefined) {
            return (0, defekt_1.value)();
        }
        if (expected instanceof RegExp) {
            if (expected.test(ex.message)) {
                return (0, defekt_1.value)();
            }
            return (0, defekt_1.error)(new errors_1.AssertionFailed({
                message: 'The function threw an unexpected exception.',
                expected: `The message should have matched:\n${expected.toString()}`,
                actual: `Error message:\n${ex.message}`
            }));
        }
        if (typeof expected === 'function') {
            if (expected(ex)) {
                return (0, defekt_1.value)();
            }
            return (0, defekt_1.error)(new errors_1.AssertionFailed({
                message: 'The function threw an unexpected exception.',
                expected: `The exception should have fulfilled a predicate.`,
                actual: `Error message:\n${ex.message}`
            }));
        }
        if (ex.message === expected) {
            return (0, defekt_1.value)();
        }
        return (0, defekt_1.error)(new errors_1.AssertionFailed({
            message: 'The function threw an unexpected exception.',
            expected: `The message should have been:\n${expected}`,
            actual: `Error message:\n${ex.message}`
        }));
    }
    return (0, defekt_1.error)(new errors_1.AssertionFailed({
        message: 'The function did not throw an exception.'
    }));
};
exports.assertFunctionIsThrowing = assertFunctionIsThrowing;