Files
mqtt-explorer/backend/src/Model/spec/TreeNodeFactory.spec.ts
2019-06-15 14:56:57 +02:00

62 lines
1.8 KiB
TypeScript

import 'mocha'
import { TreeNodeFactory } from '../'
import { expect } from 'chai'
import { Base64Message } from '../Base64Message'
describe('TreeNodeFactory', () => {
it('root node must not have a sourceEdge', () => {
const topic = 'foo/bar'
const edges = topic.split('/')
const leaf = TreeNodeFactory.fromEdgesAndValue(edges, undefined)
expect(leaf.firstNode().sourceEdge).to.eq(undefined)
})
it('should create node', () => {
const topic = 'foo/bar'
const edges = topic.split('/')
const node = TreeNodeFactory.fromEdgesAndValue(edges, Base64Message.fromString('5'))
if (!node.sourceEdge || !node.sourceEdge.source || !node.message) {
expect.fail('should not happen')
return
}
expect(node).to.not.eq(undefined)
expect(node.sourceEdge.name).to.eq('bar')
expect(Base64Message.toUnicodeString(node.message.value!)).to.eq('5')
const foo = node.firstNode().findNode('foo')
expect(foo && foo.sourceEdge && foo.sourceEdge.name).to.eq('foo')
})
it('node should contain edges in order', () => {
const topic = 'foo/bar/baz'
const edges = topic.split('/')
const node = TreeNodeFactory.fromEdgesAndValue(edges, Base64Message.fromString('5'))
if (!node.sourceEdge || !node.sourceEdge.source || !node.message) {
expect.fail('should not happen')
return
}
expect(Base64Message.toUnicodeString(node.message.value!)).to.eq('5')
expect(node.sourceEdge.name).to.eq('baz')
const barNode = node.sourceEdge.source
if (!barNode || !barNode.sourceEdge) {
expect.fail('should not fail')
return
}
expect(barNode.sourceEdge.name).to.eq('bar')
const fooNode = barNode.sourceEdge.source
if (!fooNode || !fooNode.sourceEdge) {
expect.fail('should not fail')
return
}
expect(fooNode.sourceEdge.name).to.eq('foo')
})
})