add a test for appending to the local log feed

index.js

@@ -12,7 +12,11 @@ const ram = require('random-access-memory')
 const raf = require('random-access-file')
 const level = require('level')
 const memdb = require('memdb')
+const thunky = require('thunky')
 const { EventEmitter } = require('events')
+const assert = require('assert')
+
+const { isFunction } = require('./util')
 
 const crypto = Crypto()
 
@@ -21,6 +25,8 @@ const indexes = [
   { key: 'typ', value: [['value', 'type'], ['value', 'timestamp']] },
 ]
 
+const CALLBACK_REQUIRED = 'cobox-group: callback required'
+
 module.exports = (storage, key, opts) => new CoBoxGroup(storage, key, opts)
 
 class CoBoxGroup extends EventEmitter {
@@ -71,8 +77,28 @@ class CoBoxGroup extends EventEmitter {
     })
 
     this.core.use('query', Query(this.logDB, { indexes, validator }))
+
+    this.log = thunky(this.log.bind(this))
     this.logs = this.core.api.query
   }
+
+  ready (callback) {
+    if (this._isReady) return callback()
+    else this._ready(callback)
+  }
+
+  // TODO: we should be able to change this so once ready, the log will be the local feed
+  // That way we won't need thunky...
+  log (callback) {
+    assert(isFunction(callback), CALLBACK_REQUIRED)
+    this.core.writer('local', callback)
+  }
+
+  // ------------------------------ PRIVATE FUNCTIONS ------------------------------
+
+  _ready (callback) {
+    // make sure the core and everything is ready...
+  }
 }
 
 function validator (msg) {
@@ -99,7 +125,7 @@ function storeSecret (storage, pubKey, secretKey) {
   fs.writeFileSync(path.join(SECRET_KEYS(storage), pubKey.toString('hex')), secretKey)
 }
 
-// ------------------------------------------------------------------------------------------
+// ------------------------ MOVE TO COLLECTION CLASS IN COBOX-CORE ----------------------------
 
 // TODO: associate group with the creating identity, take peer pubKey as a param...
 CoBoxGroup.create = function (name, opts) {

package.json

@@ -4,6 +4,7 @@
   "description": "a p2p private group for files and application-layer data",
   "main": "index.js",
   "dependencies": {
+    "assert": "^2.0.0",
     "cobox-config": "^0.0.1",
     "cobox-crypto": "^1.0.0",
     "debug": "^4.1.1",
@@ -17,7 +18,8 @@
     "multifeed": "^4.1.5",
     "pump": "^3.0.0",
     "random-access-file": "^2.1.3",
-    "random-access-memory": "^3.1.1"
+    "random-access-memory": "^3.1.1",
+    "thunky": "^1.0.3"
   },
   "devDependencies": {
     "nyc": "^14.1.1",

test/index.test.js

@@ -14,4 +14,15 @@ describe('basic', (context) => {
     assert.ok(group, 'group created')
     next()
   })
+
+  context('append to a group log', (assert, next) => {
+    var key = crypto.accessKey()
+    var group = Group(ram, key)
+    group.log((feed) => {
+      feed.append({ type: 'group/about', content: { name: 'CoBox Team' } }, (err, seq) => {
+        assert.error(err, 'no error')
+        assert.same(seq, 0, 'appended message')
+      })
+    })
+  })
 })

util.js

@@ -0,0 +1,5 @@
+function isFunction (variable) {
+  return typeof variable === 'function'
+}
+
+module.exports = { isFunction }