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49 lines
1.3 KiB
49 lines
1.3 KiB
var assert = require('chai').assert;
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var ko = require('knockout');
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var clientUtil = require('../clientUtil');
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var ObservableSet = require('app/client/lib/ObservableSet');
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describe('ObservableSet', function() {
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clientUtil.setTmpMochaGlobals();
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it("should keep track of items", function() {
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var set = ObservableSet.create();
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assert.equal(set.count(), 0);
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assert.deepEqual(set.all(), []);
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var obs1 = ko.observable(true), val1 = { foo: 5 },
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obs2 = ko.observable(false), val2 = { foo: 17 };
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var sub1 = set.add(obs1, val1),
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sub2 = set.add(obs2, val2);
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assert.equal(set.count(), 1);
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assert.deepEqual(set.all(), [val1]);
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obs1(false);
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assert.equal(set.count(), 0);
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assert.deepEqual(set.all(), []);
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obs2(true);
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assert.equal(set.count(), 1);
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assert.deepEqual(set.all(), [val2]);
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obs1(true);
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assert.equal(set.count(), 2);
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assert.deepEqual(set.all(), [val1, val2]);
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sub1.dispose();
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assert.equal(set.count(), 1);
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assert.deepEqual(set.all(), [val2]);
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assert.equal(obs1.getSubscriptionsCount(), 0);
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assert.equal(obs2.getSubscriptionsCount(), 1);
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sub2.dispose();
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assert.equal(set.count(), 0);
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assert.deepEqual(set.all(), []);
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assert.equal(obs1.getSubscriptionsCount(), 0);
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assert.equal(obs2.getSubscriptionsCount(), 0);
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});
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});
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