Skip to content
This repository has been archived by the owner on Oct 26, 2022. It is now read-only.

Commit

Permalink
Update tests, move maxNeighborsPerNode to parameter (#269)
Browse files Browse the repository at this point in the history
  • Loading branch information
mirpo committed May 2, 2019
1 parent b65e7e0 commit 88c84ed
Show file tree
Hide file tree
Showing 2 changed files with 37 additions and 31 deletions.
2 changes: 1 addition & 1 deletion bin/tracker.js
Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,8 @@ const { startTracker } = require('../src/composition')

const port = process.argv[2] || 30300
const ip = process.argv[3] || '127.0.0.1'
const maxNeighborsPerNode = process.argv[4] || 4
const id = `tracker-${port}`
const maxNeighborsPerNode = 4

startTracker(ip, port, id, maxNeighborsPerNode)
.then(() => {})
Expand Down
66 changes: 36 additions & 30 deletions test/unit/OverlayTopology.test.js
Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
const OverlayTopology = require('../../src/logic/OverlayTopology')

const maxNeighborsPerNodeArray = [4, 8, 12, 16]

test('forming overlay topology', () => {
const topology = new OverlayTopology(3, (arr) => arr, (arr) => arr[0])

Expand Down Expand Up @@ -226,41 +228,45 @@ test('forming overlay topology', () => {
})

test('unknown nodes are discarded', () => {
const topology = new OverlayTopology(3)
maxNeighborsPerNodeArray.forEach((maxNeighborsPerNode) => {
const topology = new OverlayTopology(maxNeighborsPerNode)

topology.update('node-1', [])
topology.update('node-2', [])
topology.update('node-3', [])
topology.update('node-1', [])
topology.update('node-2', [])
topology.update('node-3', [])

topology.update('node-1', ['node-2', 'node-3', 'node-4'])
expect(topology.state()).toEqual({
'node-1': [
'node-2',
'node-3'
],
'node-2': [
'node-1'
],
'node-3': [
'node-1'
]
topology.update('node-1', ['node-2', 'node-3', 'node-4'])
expect(topology.state()).toEqual({
'node-1': [
'node-2',
'node-3'
],
'node-2': [
'node-1'
],
'node-3': [
'node-1'
]
})
})
})

// TODO: remove or write better, since not the best way to test randomness
test('100 rounds of typical operation does not lead to invariant exception', () => {
for (let i = 0; i < 100; ++i) {
const topology = new OverlayTopology(4)
topology.update('node-1', [])
topology.update('node-2', [])
topology.formInstructions('node-2')
topology.update('node-3', [])
topology.formInstructions('node-3')
topology.update('node-4', [])
topology.formInstructions('node-4')
topology.update('node-5', [])
topology.formInstructions('node-5')
topology.update('node-0', [])
topology.formInstructions('node-0')
}
maxNeighborsPerNodeArray.forEach((maxNeighborsPerNode) => {
for (let i = 0; i < 100; ++i) {
const topology = new OverlayTopology(maxNeighborsPerNode)
topology.update('node-1', [])
topology.update('node-2', [])
topology.formInstructions('node-2')
topology.update('node-3', [])
topology.formInstructions('node-3')
topology.update('node-4', [])
topology.formInstructions('node-4')
topology.update('node-5', [])
topology.formInstructions('node-5')
topology.update('node-0', [])
topology.formInstructions('node-0')
}
})
})

0 comments on commit 88c84ed

Please sign in to comment.