Bootstrap test suite + very simple test.

Rakefile

@@ -1 +1,12 @@
 require "bundler/gem_tasks"
+require 'rake/testtask'
+
+desc 'Default: run unit tests'
+task :default => :test
+
+desc 'Test newrelic-rake'
+Rake::TestTask.new(:test) do |t|
+  t.libs << 'test'
+  t.pattern = 'test/**/*_test.rb'
+  t.verbose = true
+end

test/newrelic_rake_test.rb

@@ -0,0 +1,26 @@
+require 'test/unit'
+require 'newrelic-rake/instrument'
+
+class TestNewRelicRedis < Test::Unit::TestCase
+  include NewRelic::Agent::Instrumentation::ControllerInstrumentation
+
+  def setup
+    NewRelic::Agent.manual_start
+    @engine = NewRelic::Agent.instance.stats_engine
+    @engine.clear_stats
+
+    @sampler = NewRelic::Agent.instance.transaction_sampler
+    @sampler.reset!
+    @sampler.start_builder
+  end
+
+  def teardown
+    @sampler.clear_builder
+  end
+
+  def test_metrics
+    Rake::Task.define_task('foo')
+    Rake::Task['foo'].invoke
+    assert @engine.metrics.include?('OtherTransaction/Rake/Rake::Task/foo'), 'rake task is not in metrics'
+  end
+end