2 files changed, 15 insertions, 1 deletions

diff --git a/.gitignore b/.gitignore
index 5c249f1..94ec22c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@
 .rspec_status
 
 Gemfile.lock
+/spec/dummy
diff --git a/Rakefile b/Rakefile
index b7e9ed5..560b892 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,6 +1,19 @@
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
+require 'spree/testing_support/extension_rake'
 
 RSpec::Core::RakeTask.new(:spec)
 
-task :default => :spec
+task :default do
+  if Dir["spec/dummy"].empty?
+    Rake::Task[:test_app].invoke
+    Dir.chdir("../../")
+  end
+  Rake::Task[:spec].invoke
+end
+
+desc 'Generates a dummy app for testing'
+task :test_app do
+  ENV['LIB_NAME'] = 'super_good/solidus_taxjar'
+  Rake::Task['extension:test_app'].invoke
+end