74 lines
2.2 KiB
JavaScript
74 lines
2.2 KiB
JavaScript
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'use strict';
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var tap = require('tap');
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var test = tap.test;
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var cls = require('../context.js');
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test("nested contexts on a single namespace", function (t) {
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t.plan(7);
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var namespace = cls.createNamespace("namespace");
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namespace.run(function () {
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namespace.set("value", 1);
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t.equal(namespace.get("value"), 1,
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"namespaces have associated data even without contexts.");
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namespace.run(function () {
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t.equal(namespace.get("value"), 1, "lookup will check enclosing context");
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namespace.set("value", 2);
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t.equal(namespace.get("value"), 2, "setting works on top-level context");
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namespace.run(function () {
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t.equal(namespace.get("value"), 2, "lookup will check enclosing context");
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namespace.set("value", 3);
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t.equal(namespace.get("value"), 3, "setting works on nested context");
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});
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t.equal(namespace.get("value"), 2,
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"should revert to value set in top-level context");
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});
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t.equal(namespace.get("value"), 1, "namespace retains its outermost value.");
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});
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});
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test("the example from the docs", function (t) {
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var writer = cls.createNamespace('writer');
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writer.run(function () {
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writer.set('value', 0);
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t.equal(writer.get('value'), 0, "outer hasn't been entered yet");
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function requestHandler() {
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writer.run(function (outer) {
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t.equal(writer.active, outer, "writer.active == outer");
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writer.set('value', 1);
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t.equal(writer.get('value'), 1, "writer.active == outer");
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t.equal(outer.value, 1, "outer is active");
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process.nextTick(function () {
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t.equal(writer.active, outer, "writer.active == outer");
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t.equal(writer.get('value'), 1, "inner has been entered");
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writer.run(function (inner) {
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t.equal(writer.active, inner, "writer.active == inner");
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writer.set('value', 2);
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t.equal(outer.value, 1, "outer is unchanged");
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t.equal(inner.value, 2, "inner is active");
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t.equal(writer.get('value'), 2, "writer.active == inner");
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});
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});
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});
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setTimeout(function () {
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t.equal(writer.get('value'), 0, "writer.active == global");
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t.end();
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}, 100);
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}
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requestHandler();
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});
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});
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