tests: add stats and update interface-ipfs-core (#1189)

* tests: add stats and update interface-ipfs-core

* chore: update interface-ipfs-core

Author: hacdias

Diff for: package.json

@@ -73,7 +73,7 @@
     "form-data": "^2.3.1",
     "go-ipfs-dep": "^0.4.13",
     "hat": "0.0.3",
-    "interface-ipfs-core": "~0.41.0",
+    "interface-ipfs-core": "~0.42.1",
     "ipfsd-ctl": "^0.27.0",
     "left-pad": "^1.2.0",
     "lodash": "^4.17.4",

Diff for: test/core/interface/interface.spec.js

@@ -11,6 +11,7 @@ describe('interface-ipfs-core tests', () => {
   require('./generic')
   require('./object')
   require('./dag')
+  require('./stats')
   if (isNode) {
     require('./swarm')
     require('./pubsub')

Diff for: test/core/interface/stats.js

@@ -0,0 +1,33 @@
+/* eslint-env mocha */
+'use strict'
+
+const test = require('interface-ipfs-core')
+const parallel = require('async/parallel')
+
+const IPFS = require('../../../src')
+
+const DaemonFactory = require('ipfsd-ctl')
+const df = DaemonFactory.create({ type: 'proc', exec: IPFS })
+
+const nodes = []
+const common = {
+  setup: function (callback) {
+    callback(null, {
+      spawnNode: (cb) => {
+        df.spawn((err, _ipfsd) => {
+          if (err) {
+            return cb(err)
+          }
+
+          nodes.push(_ipfsd)
+          cb(null, _ipfsd.api)
+        })
+      }
+    })
+  },
+  teardown: function (callback) {
+    parallel(nodes.map((node) => (cb) => node.stop(cb)), callback)
+  }
+}
+
+test.stats(common)