Rakefile in fake_sqs-0.0.9 vs Rakefile in fake_sqs-0.0.10

@@ -1,6 +1,31 @@
 require "bundler/gem_tasks"
 
+require "tempfile"
 require 'rspec/core/rake_task'
-RSpec::Core::RakeTask.new(:spec)
+
+namespace :spec do
+
+  desc "Run only unit specs"
+  RSpec::Core::RakeTask.new(:unit) do |t|
+    t.pattern = "spec/unit"
+  end
+
+  desc "Run specs with in-memory database"
+  RSpec::Core::RakeTask.new(:memory) do |t|
+    ENV["SQS_DATABASE"] = ":memory:"
+    t.pattern = "spec/acceptance"
+  end
+
+  desc "Run specs with file database"
+  RSpec::Core::RakeTask.new(:file) do |t|
+    file = Tempfile.new(["rspec-sqs", ".yml"], encoding: "utf-8")
+    ENV["SQS_DATABASE"] = file.path
+    t.pattern = "spec/acceptance"
+  end
+
+end
+
+desc "Run spec suite with both in-memory and file"
+task :spec => ["spec:unit", "spec:memory", "spec:file"]
 
 task :default => :spec