Files
start-sdk/lib/script/deps/deno.land/x/expect@v0.2.9/expect.js
2023-02-27 10:38:56 -07:00

92 lines
3.5 KiB
JavaScript

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.addMatchers = exports.expect = void 0;
const builtInMatchers = __importStar(require("./matchers.js"));
const asserts_js_1 = require("../../std@0.97.0/testing/asserts.js");
const matchers = {
...builtInMatchers,
};
function expect(value) {
let isNot = false;
let isPromised = false;
const self = new Proxy({}, {
get(_, name) {
if (name === "not") {
isNot = !isNot;
return self;
}
if (name === "resolves") {
if (!(value instanceof Promise)) {
throw new asserts_js_1.AssertionError("expected value must be a Promise");
}
isPromised = true;
return self;
}
if (name === "rejects") {
if (!(value instanceof Promise)) {
throw new asserts_js_1.AssertionError("expected value must be a Promise");
}
value = value.then((value) => {
throw new asserts_js_1.AssertionError(`Promise did not reject. resolved to ${value}`);
}, (err) => err);
isPromised = true;
return self;
}
const matcher = matchers[name];
if (!matcher) {
throw new TypeError(typeof name === "string"
? `matcher not found: ${name}`
: "matcher not found");
}
return (...args) => {
function applyMatcher(value, args) {
if (isNot) {
let result = matcher(value, ...args);
if (result.pass) {
throw new asserts_js_1.AssertionError("should not " + result.message);
}
}
else {
let result = matcher(value, ...args);
if (!result.pass) {
throw new asserts_js_1.AssertionError(result.message || "Unknown error");
}
}
}
return isPromised
? value.then((value) => applyMatcher(value, args))
: applyMatcher(value, args);
};
},
});
return self;
}
exports.expect = expect;
function addMatchers(newMatchers) {
Object.assign(matchers, newMatchers);
}
exports.addMatchers = addMatchers;