68 lines
2.1 KiB
JavaScript
68 lines
2.1 KiB
JavaScript
'use strict';
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const assert = require('assert');
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const List = require('../src/list/List');
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const Node = require('../src/list/Node');
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describe('Node', () => {
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describe('Constructor', () => {
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it('initializes member variables', (done) => {
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const node = new Node('A', 0, 0, 'hello', []);
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assert.equal(node.id, 'A');
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assert.equal(node.seq, 0);
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assert.equal(node.ver, 0);
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assert.equal(node.data, 'hello');
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assert.equal(node.next instanceof Array, true);
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done();
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});
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it('initializes member variables without specified data and next', (done) => {
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const node = new Node('A', 0, 0);
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assert.equal(node.id, 'A');
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assert.equal(node.seq, 0);
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assert.equal(node.ver, 0);
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assert.equal(node.data, null);
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assert.equal(node.next instanceof Array, true);
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done();
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});
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});
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describe('compactId', () => {
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it('presents the node as a string with id, sequence and version', (done) => {
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const node1 = new Node('A', 0, 0);
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const node2 = new Node('B', 123, 456);
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assert.equal(node1.compactId, 'A.0.0');
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assert.equal(node2.compactId, 'B.123.456');
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done();
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});
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});
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describe('equals', () => {
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it('check if nodes are equal', (done) => {
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const node1 = new Node('A', 0, 0);
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const node2 = new Node('A', 0, 0);
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const node3 = new Node('A', 1, 1);
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const node4 = new Node('B', 123, 456);
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assert.equal(Node.equals(node1, node1), true);
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assert.equal(Node.equals(node1, node2), true);
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assert.equal(Node.equals(node1, node3), false);
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assert.equal(Node.equals(node1, node4), false);
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assert.equal(Node.equals(node3, node4), false);
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done();
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});
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});
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describe('hasChild', () => {
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it('finds the child reference', (done) => {
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const a = new Node('A', 0, 0);
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const b = new Node('B', 0, 0, "hello", [a]);
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const c = new Node('C', 0, 0, "hello", [a, b]);
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assert.equal(b.hasChild(a), true)
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assert.equal(c.hasChild(a), true)
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assert.equal(c.hasChild(b), true)
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done();
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});
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});
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});
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