shared example group for testing versions across

strategies

Author: Jerry Cheung

spec/spec_helper.rb

@@ -1,5 +1,6 @@
 $LOAD_PATH.unshift(File.dirname(__FILE__))
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), 'support'))
 
 $stdout = StringIO.new
 

spec/support/shared_versioning_examples.rb

@@ -0,0 +1,77 @@
+shared_examples_for "versioning" do
+  it 'should set the API version' do
+    subject.version 'v1', macro_options
+    subject.get :hello do
+      "Version: #{request.env['api.version']}"
+    end
+    versioned_get '/hello', 'v1', macro_options
+    last_response.body.should eql "Version: v1"
+  end
+
+  it 'should add the prefix before the API version' do
+    subject.prefix 'api'
+    subject.version 'v1', macro_options
+    subject.get :hello do
+      "Version: #{request.env['api.version']}"
+    end
+    versioned_get '/hello', 'v1', macro_options.merge(:prefix => 'api')
+    last_response.body.should eql "Version: v1"
+  end
+
+  it 'should be able to specify version as a nesting' do
+    subject.version 'v2', macro_options
+    subject.get '/awesome' do
+      "Radical"
+    end
+
+    subject.version 'v1', macro_options do
+      get '/legacy' do
+        "Totally"
+      end
+    end
+
+    versioned_get '/awesome', 'v1', macro_options
+    last_response.status.should eql 404
+
+    versioned_get '/awesome', 'v2', macro_options
+    last_response.status.should eql 200
+    versioned_get '/legacy', 'v1', macro_options
+    last_response.status.should eql 200
+    versioned_get '/legacy', 'v2', macro_options
+    last_response.status.should eql 404
+  end
+
+  it 'should be able to specify multiple versions' do
+    subject.version 'v1', 'v2', macro_options
+    subject.get 'awesome' do
+      "I exist"
+    end
+
+    versioned_get '/awesome', 'v1', macro_options
+    last_response.status.should eql 200
+    versioned_get '/awesome', 'v2', macro_options
+    last_response.status.should eql 200
+    versioned_get '/awesome', 'v3', macro_options
+    last_response.status.should eql 404
+  end
+
+  it 'should allow the same endpoint to be implemented for different versions' do
+    subject.version 'v2', macro_options
+    subject.get 'version' do
+      request.env['api.version']
+    end
+
+    subject.version 'v1', macro_options do
+      get 'version' do
+        "version " + request.env['api.version']
+      end
+    end
+
+    versioned_get '/version', 'v2', macro_options
+    last_response.status.should == 200
+    last_response.body.should == 'v2'
+    versioned_get '/version', 'v1', macro_options
+    last_response.status.should == 200
+    last_response.body.should == 'version v1'
+  end
+end