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authorpack <pack@packgekko.xyz>2026-08-09 10:37:07 +0000
committerpack <pack@packgekko.xyz>2026-08-09 10:37:07 +0000
commit55a4f1fc869e41aca748c63d3018f0448b1606e0 (patch)
treed132d1d01772b6d53faee3e63c534dea5706b78a /node_modules/side-channel/test/index.js
downloadcrud-55a4f1fc869e41aca748c63d3018f0448b1606e0.tar.gz
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+'use strict';
+
+var test = require('tape');
+
+var getSideChannel = require('../');
+
+test('getSideChannel', function (t) {
+ t.test('export', function (st) {
+ st.equal(typeof getSideChannel, 'function', 'is a function');
+
+ st.equal(getSideChannel.length, 0, 'takes no arguments');
+
+ var channel = getSideChannel();
+ st.ok(channel, 'is truthy');
+ st.equal(typeof channel, 'object', 'is an object');
+ st.end();
+ });
+
+ t.test('assert', function (st) {
+ var channel = getSideChannel();
+ st['throws'](
+ function () { channel.assert({}); },
+ TypeError,
+ 'nonexistent value throws'
+ );
+
+ var o = {};
+ channel.set(o, 'data');
+ st.doesNotThrow(function () { channel.assert(o); }, 'existent value noops');
+
+ var accessed = false;
+ var trap = {};
+ Object.defineProperty(trap, 'foo', {
+ enumerable: true,
+ get: function () {
+ accessed = true;
+ return 1;
+ }
+ });
+ st['throws'](
+ function () { channel.assert(trap); },
+ TypeError,
+ 'missing object key throws'
+ );
+ st.equal(accessed, false, 'a missing object key is not observably accessed');
+
+ st.end();
+ });
+
+ t.test('has', function (st) {
+ var channel = getSideChannel();
+ /** @type {unknown[]} */ var o = [];
+
+ st.equal(channel.has(o), false, 'nonexistent value yields false');
+
+ channel.set(o, 'foo');
+ st.equal(channel.has(o), true, 'existent value yields true');
+
+ st.equal(channel.has('abc'), false, 'non object value non existent yields false');
+
+ channel.set('abc', 'foo');
+ st.equal(channel.has('abc'), true, 'non object value that exists yields true');
+
+ st.end();
+ });
+
+ t.test('get', function (st) {
+ var channel = getSideChannel();
+ var o = {};
+ st.equal(channel.get(o), undefined, 'nonexistent value yields undefined');
+
+ var data = {};
+ channel.set(o, data);
+ st.equal(channel.get(o), data, '"get" yields data set by "set"');
+
+ st.end();
+ });
+
+ t.test('set', function (st) {
+ var channel = getSideChannel();
+ var o = function () {};
+ st.equal(channel.get(o), undefined, 'value not set');
+
+ channel.set(o, 42);
+ st.equal(channel.get(o), 42, 'value was set');
+
+ channel.set(o, Infinity);
+ st.equal(channel.get(o), Infinity, 'value was set again');
+
+ var o2 = {};
+ channel.set(o2, 17);
+ st.equal(channel.get(o), Infinity, 'o is not modified');
+ st.equal(channel.get(o2), 17, 'o2 is set');
+
+ channel.set(o, 14);
+ st.equal(channel.get(o), 14, 'o is modified');
+ st.equal(channel.get(o2), 17, 'o2 is not modified');
+
+ st.end();
+ });
+
+ t.test('delete', function (st) {
+ var channel = getSideChannel();
+ var o = {};
+ st.equal(channel['delete']({}), false, 'nonexistent value yields false');
+
+ channel.set(o, 42);
+ st.equal(channel.has(o), true, 'value is set');
+
+ st.equal(channel['delete']({}), false, 'nonexistent value still yields false');
+
+ st.equal(channel['delete'](o), true, 'deleted value yields true');
+
+ st.equal(channel.has(o), false, 'value is no longer set');
+
+ st.end();
+ });
+
+ t.end();
+});