Move dht tests from js-ipfs-api to interface-ipfs-core (#385)

* Move dht tests from here to interface-ipfs-core

* Update interface-ipfs-core version

* Add back strict mode

package.json

@@ -60,7 +60,7 @@
     "chai": "^3.5.0",
     "gulp": "^3.9.1",
     "hapi": "^15.2.0",
-    "interface-ipfs-core": "^0.18.2",
+    "interface-ipfs-core": "^0.18.3",
     "ipfsd-ctl": "^0.17.0",
     "pre-commit": "^1.1.3",
     "socket.io": "^1.5.1",

test/interface-ipfs-core/dht.spec.js

@@ -1,65 +1,19 @@
 /* eslint-env mocha */
-/* globals apiClients */
 'use strict'
 
-const expect = require('chai').expect
+const test = require('interface-ipfs-core')
+const FactoryClient = require('../factory/factory-client')
 
-describe('.dht', () => {
-  it('returns an error when getting a non-existent key from the DHT',
-     (done) => {
-       apiClients.a.dht.get('non-existent', {timeout: '100ms'}, (err, value) => {
-         expect(err).to.be.an.instanceof(Error)
-         done()
-       })
-     })
+let fc
 
-  it('puts and gets a key value pair in the DHT', (done) => {
-    apiClients.a.dht.put('scope', 'interplanetary', (err, res) => {
-      expect(err).to.not.exist
+const common = {
+  setup: function (callback) {
+    fc = new FactoryClient()
+    callback(null, fc)
+  },
+  teardown: function (callback) {
+    fc.dismantle(callback)
+  }
+}
 
-      expect(res).to.be.an('array')
-
-      done()
-
-      // non ipns or pk hashes fail to fetch, known bug
-      // bug: https://github.com/ipfs/go-ipfs/issues/1923#issuecomment-152932234
-      // apiClients.a.dht.get('scope', (err, value) => {
-      //  expect(err).to.not.exist
-      //  expect(value).to.be.equal('interplanetary')
-      //  done()
-      // })
-    })
-  })
-
-  it('.dht.findprovs', (done) => {
-    apiClients.a.dht.findprovs('Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP', (err, res) => {
-      expect(err).to.not.exist
-
-      expect(res).to.be.an('array')
-      done()
-    })
-  })
-
-  describe('promise', () => {
-    it('returns an error when getting a non-existent key from the DHT', () => {
-      return apiClients.a.dht.get('non-existent', {timeout: '100ms'})
-        .catch((err) => {
-          expect(err).to.be.an.instanceof(Error)
-        })
-    })
-
-    it('puts a key value pair in the DHT', () => {
-      return apiClients.a.dht.put('scope', 'interplanetary')
-        .then((res) => {
-          expect(res).to.be.an('array')
-        })
-    })
-
-    it('.dht.findprovs', () => {
-      return apiClients.a.dht.findprovs('Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP')
-        .then((res) => {
-          expect(res).to.be.an('array')
-        })
-    })
-  })
-})
+test.dht(common)