Include abstract-leveldown tests (#17)

Author: vweevers

package.json

@@ -14,12 +14,12 @@
     "prepublishOnly": "npm run dependency-check"
   },
   "dependencies": {
-    "abstract-leveldown": "^6.2.2",
+    "abstract-leveldown": "^6.3.0",
     "duplexify": "^4.1.1",
     "encoding-down": "^6.3.0",
     "end-of-stream": "^1.1.0",
     "length-prefixed-stream": "^2.0.0",
-    "levelup": "^4.3.2",
+    "levelup": "^4.4.0",
     "numeric-id-map": "^1.1.0",
     "protocol-buffers-encodings": "^1.1.0",
     "reachdown": "^1.0.0"

test/abstract.js

@@ -0,0 +1,32 @@
+var test = require('tape')
+var memdown = require('memdown')
+var levelup = require('levelup')
+var encode = require('encoding-down')
+var factory = require('level-compose')(memdown, encode, levelup)
+var multileveldown = require('..')
+var suite = require('abstract-leveldown/test')
+
+suite({
+  test: test,
+  factory: function () {
+    var db = factory()
+    var stream = multileveldown.server(db)
+    var client = multileveldown.client()
+
+    stream.pipe(client.createRpcStream()).pipe(stream)
+
+    // This is a levelup instance, but we're testing it as abstract-leveldown :)
+    return client
+  },
+  seek: false,
+  clear: true,
+  snapshots: false,
+  createIfMissing: false,
+  errorIfExists: false,
+  bufferKeys: true,
+  legacyRange: false,
+  promises: true,
+  status: false,
+  serialize: false,
+  encodings: true
+})