feat: stream to multiaddr connection converter (#2)

test/stream-to-ma-conn.spec.js

@@ -0,0 +1,56 @@
+/* eslint-env mocha */
+'use strict'
+
+const chai = require('chai')
+const dirtyChai = require('dirty-chai')
+const expect = chai.expect
+chai.use(dirtyChai)
+
+const pair = require('it-pair')
+const pipe = require('it-pipe')
+const { collect } = require('streaming-iterables')
+const multiaddr = require('multiaddr')
+
+const streamToMaConn = require('../src/stream-to-ma-conn')
+
+describe('Convert stream into a multiaddr connection', () => {
+  it('converts a stream and adds the provided metadata', () => {
+    const stream = pair()
+    const localAddr = multiaddr('/ip4/101.45.75.219/tcp/6000')
+    const remoteAddr = multiaddr('/ip4/100.46.74.201/tcp/6002')
+
+    const maConn = streamToMaConn({
+      stream,
+      localAddr,
+      remoteAddr
+    })
+
+    expect(maConn).to.exist()
+    expect(maConn.sink).to.exist()
+    expect(maConn.source).to.exist()
+    expect(maConn.localAddr).to.eql(localAddr)
+    expect(maConn.remoteAddr).to.eql(remoteAddr)
+    expect(maConn.timeline).to.exist()
+    expect(maConn.timeline.open).to.exist()
+    expect(maConn.timeline.close).to.not.exist()
+
+    maConn.close()
+    expect(maConn.timeline.close).to.exist()
+  })
+
+  it('can stream data over the multiaddr connection', async () => {
+    const stream = pair()
+    const maConn = streamToMaConn({ stream })
+
+    const data = 'hey'
+    const streamData = await pipe(
+      [data],
+      maConn,
+      collect
+    )
+
+    expect(streamData).to.eql([data])
+    // underlying stream end closes the connection
+    expect(maConn.timeline.close).to.exist()
+  })
+})