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build/node_modules/dbly-linked-list/test/node.spec.js

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+/* globals describe it beforeEach before afterEach */
+
+var should = require('should');
+var LinkedList = require('../');
+
+describe('List Node', function() {
+    var list = null;
+
+    before(function() {
+        list = new LinkedList();
+    });
+
+    it('should have a working test environment', function() {
+        true.should.equal(true);
+    });
+
+    it('should exist when instantiated', function() {
+        var node = list.createNewNode('test data');
+        should.exist(node);
+        node.should.be.ok;
+    });
+
+    it('should return the correct (primitive) data', function() {
+        var node = list.createNewNode('test data');
+        var data = node.getData();
+        data.should.not.be.an.Object;
+        data.should.be.a.String;
+        data.should.equal('test data');
+
+        node.data = 42;
+        data = node.getData();
+        data.should.not.be.an.Object;
+        data.should.be.a.Number;
+        data.should.equal(42);
+
+    });
+
+    it('should return the correct (object) data', function() {
+        var node = list.createNewNode({
+            name: 'test item',
+            number: 1
+        });
+        var data = node.getData();
+        data.should.be.an.Object;
+        node.toString().should.equal('{"name":"test item","number":1}');
+    });
+
+    it('should return whether or not it has a next node', function() {
+        var firstNode = list.createNewNode('first node');
+        var secondNode = list.createNewNode('second node');
+        firstNode.next = secondNode;
+        firstNode.hasNext().should.equal(true);
+    });
+
+    it('should return whether or not it has a previous node', function() {
+        var firstNode = list.createNewNode('first node');
+        var secondNode = list.createNewNode('second node');
+        secondNode.prev = firstNode;
+        secondNode.hasPrev().should.equal(true);
+    });
+
+    it('should return a proper string representation of its data', function() {
+        var node = list.createNewNode({name: 'test item', number: 1});
+        node.toString().should.equal('{"name":"test item","number":1}');
+
+        node.data = 'string data';
+        node.toString().should.equal('string data');
+
+        node.data = 42;
+        node.toString().should.equal('42');
+    });
+});