Begin work on mocking reserved instances. Provide describe_reserved_instances_offerings for mocking and real. REAL TALK

lib/fog/compute/parsers/aws/describe_reserved_instances_offerings.rb

@@ -12,7 +12,7 @@ module Fog
 
           def end_element(name)
             case name
-            when 'availabilityZone', 'instanceType', 'productDescription', 'reservedInstancesOfferingId'
+            when 'availabilityZone', 'currencyCode', 'instanceType', 'instanceTenancy', 'productDescription', 'reservedInstancesOfferingId'
               @reserved_instances_offering[name] = value
             when 'duration'
               @reserved_instances_offering[name] = value.to_i
@@ -31,4 +31,4 @@ module Fog
       end
     end
   end
-end
+end

lib/fog/compute/requests/aws/describe_reserved_instances_offerings.rb

@@ -32,7 +32,30 @@ module Fog
             :parser     => Fog::Parsers::Compute::AWS::DescribeReservedInstancesOfferings.new
           }.merge!(params))
         end
+      end
 
+      class Mock
+        def describe_reserved_instances_offerings(filters = {})
+          response = Excon::Response.new
+          response.status = 200
+
+          response.body = {
+            'reservedInstancesOfferingsSet' => [{
+              'reservedInstancesOfferingId' => Fog::AWS::Mock.reserved_instances_offering_id,
+              'instanceType'        => 'm1.small',
+              'availabilityZone'    => 'us-east-1d',
+              'duration'            => 31536000,
+              'fixedPrice'          => 350.0,
+              'usagePrice'          => 0.03,
+              'productDescription'  => 'Linux/UNIX',
+              'instanceTenancy'     => 'default',
+              'currencyCode'         => 'USD'
+            }],
+            'requestId' => Fog::AWS::Mock.request_id
+          }
+
+          response
+        end
       end
     end
   end

lib/fog/providers/aws.rb

@@ -178,6 +178,10 @@ module Fog
         "r-#{Fog::Mock.random_hex(8)}"
       end
 
+      def self.reserved_instances_offering_id
+        request_id
+      end
+
       def self.snapshot_id
         "snap-#{Fog::Mock.random_hex(8)}"
       end

tests/compute/requests/aws/instance_tests.rb

@@ -79,6 +79,43 @@ Shindo.tests('Fog::Compute[:aws] | instance requests', ['aws']) do
     'requestId'     => String
   }
 
+  @describe_reserved_instances_offerings_format = {
+    'reservedInstancesOfferingsSet' => [{
+      'reservedInstancesOfferingId'     => String,
+      'instanceType'                    => String,
+      'availabilityZone'                => String,
+      'duration'                        => Integer,
+      'fixedPrice'                      => Float,
+      'usagePrice'                      => Float,
+      'productDescription'              => String,
+      'instanceTenancy'                 => String,
+      'currencyCode'                    => String
+    }],
+    'requestId'     => String
+  }
+
+  @describe_reserved_instances_format = {
+    'reservedInstancesSet' => [{
+      'reservedInstancesId' => String,
+      'instanceType'        => String,
+      'availabilityZone'    => String,
+      'start'               => Time,
+      'duration'            => Integer,
+      'fixedPrice'          => Float,
+      'usagePrice'          => Float,
+      'instanceCount'       => Integer,
+      'productDescription'  => String,
+      'state'               => String,
+      'tagSet'              => [{
+        'key'                   => String,
+        'value'                 => String
+      }],
+      'instanceTenancy'     => String,
+      'currencyCode'        => String
+    }],
+    'requestId'     => String
+  }
+
   tests('success') do
 
     @instance_id = nil
@@ -151,6 +188,23 @@ Shindo.tests('Fog::Compute[:aws] | instance requests', ['aws']) do
       Fog::Compute[:aws].terminate_instances(@instance_id).body
     end
 
+    tests("#describe_reserved_instances_offerings").formats(@describe_reserved_instances_offerings_format) do
+      @reserved_instances = Fog::Compute[:aws].describe_reserved_instances_offerings.body
+      @reserved_instances
+    end
+
+    if Fog.mocking?
+      pending
+
+      @reserved_instance_offering_id = @reserved_instances["reservedInstancesOfferingSet"].first["reservedInstancesOfferingId"]
+      tests("#purchase_reserved_instances_offering('#{@reserved_instance_offering_id}')").formats(@purchase_reserved_instances_offerings_format) do
+        Fog::Compute[:aws].purchase_reserved_instances_offering(@reserved_instance_offering_id, 1).body
+      end
+
+      tests("#describe_reserved_instances").formats(@describe_reserved_instances_format) do
+        Fog::Compute[:aws].describe_reserved_instances.body
+      end
+    end
   end
 
   tests('failure') do