init

lib/modules/test/sink.js

@@ -0,0 +1,18 @@
+const { spy } = require('sinon')
+const { Writable } = require('stream')
+
+//
+// Returns a spied writable stream
+//
+module.exports = function() {
+
+  var writable = new Writable({
+    objectMode: true,
+    write(chunk, encoding, callback) {
+      return callback()
+    }
+  })
+  spy(writable, 'write')
+
+  return writable
+}