Add Rails command infrastructure and encapsulate development caching

1 files changed, 32 insertions, 0 deletions

diff --git a/railties/test/commands/dev_cache_test.rb b/railties/test/commands/dev_cache_test.rb
new file mode 100644
index 0000000000..f3612070c6
--- /dev/null
+++ b/railties/test/commands/dev_cache_test.rb
@@ -0,0 +1,32 @@
+require_relative '../isolation/abstract_unit'
+
+module CommandsTests
+  class DevCacheTest < ActiveSupport::TestCase
+    include ActiveSupport::Testing::Isolation
+
+    def setup
+      build_app
+    end
+
+    def teardown
+      teardown_app
+    end
+
+    test 'dev:cache creates file and outputs message' do
+      Dir.chdir(app_path) do
+        output = `rails dev:cache`
+        assert File.exist?('tmp/caching-dev.txt')
+        assert_match(%r{Development mode is now being cached}, output)
+      end
+    end
+
+    test 'dev:cache deletes file and outputs message' do
+      Dir.chdir(app_path) do
+        output = `rails dev:cache`        
+        output = `rails dev:cache`
+        assert_not File.exist?('tmp/caching-dev.txt')
+        assert_match(%r{Development mode is no longer being cached}, output)
+      end
+    end
+  end
+end