assertthat
Version:
assertthat provides fluent TDD.
55 lines (54 loc) • 2.26 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.assertFunctionIsThrowingAsync = void 0;
const errors_1 = require("../../errors");
const defekt_1 = require("defekt");
const assertFunctionIsThrowingAsync = async function (actual, expected) {
try {
const promise = actual();
if (!(promise instanceof Promise)) {
return (0, defekt_1.error)(new errors_1.AssertionFailed({
message: 'The function did not return a Promise.'
}));
}
await promise;
// 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 asynchronous 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 asynchronous exception.',
expected: `The exception should have fulfilled a predicate.`,
actual: `Error message:\n${ex.message}`
}));
}
if (ex.message === expected) {
return (0, defekt_1.value)();
}
return (0, defekt_1.error)(new errors_1.AssertionFailed({
message: 'The function threw an unexpected asynchronous exception.',
expected: `The message should have been:\n${expected}`,
actual: `Error message:\n${ex.message}`
}));
}
return (0, defekt_1.error)(new errors_1.AssertionFailed({
message: 'The function did not throw an asynchronous exception.'
}));
};
exports.assertFunctionIsThrowingAsync = assertFunctionIsThrowingAsync;