122 lines
3.7 KiB
JavaScript
122 lines
3.7 KiB
JavaScript
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'use strict';
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var tap = require('tap')
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, test = tap.test
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, createNamespace = require('../context.js').createNamespace
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;
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test("continuation-local state with promises", function (t) {
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t.plan(4);
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var namespace = createNamespace('namespace');
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namespace.run(function () {
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namespace.set('test', 0xabad1dea);
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t.test("chained promises", function (t) {
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if (!global.Promise) return t.end();
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namespace.run(function () {
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namespace.set('test', 31337);
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t.equal(namespace.get('test'), 31337, "state has been mutated");
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Promise.resolve()
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.then(function () {
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t.equal(namespace.get('test'), 31337,
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"mutated state has persisted to first continuation");
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})
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.then(function () {
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t.equal(namespace.get('test'), 31337,
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"mutated state has persisted to second continuation");
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})
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.then(function () {
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t.equal(namespace.get('test'), 31337,
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"mutated state has persisted to third continuation");
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t.end();
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});
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});
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});
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t.test("chained unwrapped promises", function (t) {
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if (!global.Promise) return t.end();
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namespace.run(function () {
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namespace.set('test', 999);
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t.equal(namespace.get('test'), 999, "state has been mutated");
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Promise.resolve()
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.then(function () {
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t.equal(namespace.get('test'), 999,
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"mutated state has persisted to first continuation");
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return Promise.resolve();
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})
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.then(function () {
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t.equal(namespace.get('test'), 999,
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"mutated state has persisted to second continuation");
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return Promise.resolve();
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})
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.then(function () {
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t.equal(namespace.get('test'), 999,
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"mutated state has persisted to third continuation");
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t.end();
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});
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});
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});
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t.test("nested promises", function (t) {
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if (!global.Promise) return t.end();
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namespace.run(function () {
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namespace.set('test', 54321);
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t.equal(namespace.get('test'), 54321, "state has been mutated");
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Promise.resolve()
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.then(function () {
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t.equal(namespace.get('test'), 54321,
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"mutated state has persisted to first continuation");
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Promise.resolve()
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.then(function () {
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t.equal(namespace.get('test'), 54321,
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"mutated state has persisted to second continuation");
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Promise.resolve()
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.then(function () {
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t.equal(namespace.get('test'), 54321,
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"mutated state has persisted to third continuation");
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t.end();
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});
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});
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});
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});
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});
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t.test("forked continuations", function (t) {
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if (!global.Promise) return t.end();
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namespace.run(function () {
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namespace.set('test', 10101);
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t.equal(namespace.get('test'), 10101, "state has been mutated");
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var promise = Promise.resolve();
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promise
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.then(function () {
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t.equal(namespace.get('test'), 10101,
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"mutated state has persisted to first continuation");
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});
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promise
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.then(function () {
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t.equal(namespace.get('test'), 10101,
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"mutated state has persisted to second continuation");
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});
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promise
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.then(function () {
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t.equal(namespace.get('test'), 10101,
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"mutated state has persisted to third continuation");
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t.end();
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});
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});
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});
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});
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});
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