diff --git a/test/test_command.rb b/test/test_command.rb
new file mode 100644
index 00000000..ad7d6db1
--- /dev/null
+++ b/test/test_command.rb
@@ -0,0 +1,36 @@
+require 'helper'
+
+class TestCommand < Test::Unit::TestCase
+  context "when calling .globs" do
+    context "when non-default dest & source dirs" do
+      setup do
+        @source = source_dir
+        @dest   = dest_dir
+        @globs  = Command.globs(@source, @dest)
+      end
+      should "return an array without the destination dir" do
+        assert @globs.is_a?(Array)
+        assert !@globs.include?(@dest)
+      end
+    end
+    context "when using default dest dir" do
+      setup do
+        @source = test_dir
+        @dest   = test_dir('_site')
+        FileUtils.mkdir(@dest)
+        File.open("#{@dest}/index.html", "w"){ |f| f.write("I was previously generated.") }
+        @globs  = Command.globs(@source, @dest)
+      end
+      should "return an array without the destination dir" do
+        assert @globs.is_a?(Array)
+        assert !@globs.include?(@dest)
+        @globs.each do |glob|
+           assert !glob.include?(File.basename(@dest))
+        end
+      end
+      teardown do
+        FileUtils.rm_r(@dest)
+      end
+    end
+  end
+end