Basic test of the helper

Signed-off-by: Tim Smith <[email protected]>

spec/foodcritic/api_spec.rb

@@ -170,6 +170,40 @@ def parse_ast(str)
     end
   end
 
+  describe "#cookbook_base_path" do
+    # TODO we should do this with a double instead
+    # but this is the accepted pattern so far so...
+    def mock_cookbook(metadata_path)
+      dir = File.dirname(metadata_path)
+      unless File.directory?(dir)
+        FileUtils.mkdir_p(dir)
+      end
+      File.open(metadata_path, "w") { |file| file.write('name "YOUR_COOKBOOK_NAME"') }
+      FileUtils.mkdir_p(File.join(dir, 'templates/defaults'))
+      File.open(File.join(dir, 'templates', 'defaults', 'test.erb'), "w") { |file| file.write('Some erb') }
+    end
+
+    it "returns the cookbook dir when passed the path itself" do
+      mock_cookbook("/tmp/fc/mock/cb/metadata.rb")
+      api.cookbook_base_path('/tmp/fc/mock/cb/').must_equal "/tmp/fc/mock/cb"
+    end
+
+    it "returns the cookbook dir when passed a nested directory" do
+      mock_cookbook("/tmp/fc/mock/cb/metadata.rb")
+      api.cookbook_base_path('/tmp/fc/mock/cb/templates/defaults/test.erb').must_equal "/tmp/fc/mock/cb"
+    end
+
+    it "returns the cookbook dir when path contains cookbook like names" do
+      mock_cookbook('/tmp/fc/mock/resources/cb/metadata.rb')
+      api.cookbook_base_path('/tmp/fc/mock/resources/cb/templates/defaults/test.erb').must_equal "/tmp/fc/mock/resources/cb"
+    end
+
+    it "returns the cookbook dir when path has a metadata.json not metadata.rb" do
+      mock_cookbook('/tmp/fc/mock/cb/metadata.json')
+      api.cookbook_base_path('/tmp/fc/mock/cb/templates/defaults/test.erb').must_equal "/tmp/fc/mock/cb"
+    end
+  end
+
   describe "#cookbook_name" do
     def mock_cookbook_metadata(f)
       dir = File.dirname(f)