Added unit test

spec/lib/msf/core/auxiliary/redis_spec.rb

@@ -0,0 +1,35 @@
+require 'spec_helper'
+
+RSpec.describe Msf::Auxiliary::Redis do
+  subject do
+    mod = Msf::Module.new
+    mod.extend(Msf::Auxiliary::Redis)
+    mod
+  end
+
+  describe '.parse_redis_response' do
+    context "given a simple string" do
+      it "returns that string" do
+        expect(subject.parse_redis_response("+test")).to eql("test")
+      end
+    end
+
+    context "given a bulk string" do
+      it "returns that string" do
+        expect(subject.parse_redis_response("$10\r\ntest\r\ntest\r\nother junk")).to eql("test\r\ntest")
+      end
+    end
+
+    context "given an array" do
+      it "correctly parses it" do
+        expect(subject.parse_redis_response("*3\r\n$3\r\nOne\r\n+Two\r\n$5\r\nThree")).to eql(["One","Two","Three"])
+      end
+    end
+
+    context "given a nested array" do
+      it "correctly parses it" do
+        expect(subject.parse_redis_response("*2\r\n$1\r\n0\r\n*1\r\n$4\r\ntest\r\njunk")).to eql(["0",["test"]])
+      end
+    end
+  end
+end