Firebase Update

express-server/node_modules/split-array-stream/test.js

@@ -0,0 +1,65 @@
+'use strict';
+
+var assert = require('assert');
+var through = require('through2');
+
+var split = require('./index.js');
+
+describe('split-array-stream', function () {
+  var array = [
+    { id: 1, user: 'Dave' },
+    { id: 2, user: 'Dave' },
+    { id: 3, user: 'Dave' },
+    { id: 4, user: 'Stephen' }
+  ];
+
+  it('should work', function (done) {
+    var numDataEvents = 0;
+
+    var stream = through.obj();
+
+    stream.on('data', function () { numDataEvents++; });
+
+    split(array, stream, function (streamEnded) {
+      assert.strictEqual(streamEnded, false);
+      assert.strictEqual(numDataEvents, array.length);
+
+      done();
+    });
+  });
+
+  it('should not push more results after end', function (done) {
+    var stream = through.obj();
+
+    var numDataEvents = 0;
+    var expectedNumDataEvents = 2;
+
+    stream.on('data', function () {
+      numDataEvents++;
+
+      if (numDataEvents === expectedNumDataEvents) {
+        this.end();
+      }
+
+      if (numDataEvents > expectedNumDataEvents) {
+        throw new Error('Should not have received this event.');
+      }
+    });
+
+    split(array, stream, function (streamEnded) {
+      assert.strictEqual(streamEnded, true);
+      assert.strictEqual(numDataEvents, expectedNumDataEvents);
+
+      done();
+    });
+  });
+
+  it('should not modify original array', function (done) {
+    var expectedArray = [].slice.call(array);
+
+    split(array, through.obj(), function () {
+      assert.deepEqual(array, expectedArray);
+      done();
+    });
+  });
+});