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51f92b6fff
* remove custom messages for assert that conceal values * add comment explaining test * add block scoping PR-URL: https://github.com/nodejs/node/pull/16814 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
'use strict';
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const common = require('../../common');
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// This tests the promise-related n-api calls
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const assert = require('assert');
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const test_promise = require(`./build/${common.buildType}/test_promise`);
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// A resolution
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{
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const expected_result = 42;
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const promise = test_promise.createPromise();
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promise.then(
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common.mustCall(function(result) {
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assert.strictEqual(result, expected_result);
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}),
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common.mustNotCall());
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test_promise.concludeCurrentPromise(expected_result, true);
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}
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// A rejection
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{
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const expected_result = 'It\'s not you, it\'s me.';
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const promise = test_promise.createPromise();
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promise.then(
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common.mustNotCall(),
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common.mustCall(function(result) {
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assert.strictEqual(result, expected_result);
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}));
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test_promise.concludeCurrentPromise(expected_result, false);
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}
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// Chaining
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{
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const expected_result = 'chained answer';
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const promise = test_promise.createPromise();
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promise.then(
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common.mustCall(function(result) {
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assert.strictEqual(result, expected_result);
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}),
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common.mustNotCall());
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test_promise.concludeCurrentPromise(Promise.resolve('chained answer'), true);
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}
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assert.strictEqual(test_promise.isPromise(test_promise.createPromise()), true);
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assert.strictEqual(test_promise.isPromise(Promise.reject(-1)), true);
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assert.strictEqual(test_promise.isPromise(2.4), false);
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assert.strictEqual(test_promise.isPromise('I promise!'), false);
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assert.strictEqual(test_promise.isPromise(undefined), false);
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assert.strictEqual(test_promise.isPromise(null), false);
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assert.strictEqual(test_promise.isPromise({}), false);
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