spec/dsc_spec.rb in dsc-0.0.1 vs spec/dsc_spec.rb in dsc-0.1.0

@@ -7,25 +7,29 @@
       File.open(config_file, 'w') do |file|
         file.puts <<EOF
 production:
   host: 'http://www.wimdu.com'
   awesome: true
+  some_inline_erb: <%= ENV['works_too'] %>
 development:
   host: 'http://example.com'
   stable: false
   number: 42
   array: [1, 2, 3]
   subconfig:
     works: 'aswell'
 EOF
       end
+
+      ENV['works_too'] = "yep, it works"
     end
 
-    subject(:dsc) { Dsc.load_file(config_file, env: env) }
+    subject(:dsc) { Dsc.load_file(config_file, env: env, optional: optional) }
 
     let(:config_file) { File.expand_path(__FILE__ + '/../../tmp/config.yml') }
     let(:env) { 'development' }
+    let(:optional) { [] }
 
     it 'works' do
       expect(dsc).to have_attributes(
         host: 'http://example.com',
         stable: false,
@@ -42,16 +46,45 @@
         Dsc::UndefinedAttribute,
         /awesome is not defined/
       )
     end
 
+    context "when there are optional attributes" do
+      let(:optional) { %i(awesome) }
+
+      it "does not raise error when trying to access undefined but optional attribute" do
+        expect(dsc.awesome).to eq(nil)
+      end
+    end
+
     context 'with env production' do
       let(:env) { 'production' }
 
       it 'provides the production stuff' do
         expect(dsc).to have_attributes(
           host: 'http://www.wimdu.com',
           awesome: true
+        )
+      end
+
+      context "when there are optional attributes" do
+        let(:optional) { %i(awesome) }
+
+        it "provides these attributes properly" do
+          expect(dsc).to have_attributes(
+            host: 'http://www.wimdu.com',
+            awesome: true
+          )
+        end
+      end
+    end
+
+    describe 'ERB parsing' do
+      let(:env) { 'production' }
+
+      it 'works' do
+        expect(dsc).to have_attributes(
+          some_inline_erb: 'yep, it works'
         )
       end
     end
   end
 end