spec snapshot failure cases

spec/aws/requests/ec2/create_snapshot_spec.rb

@@ -1,6 +1,7 @@
 require File.dirname(__FILE__) + '/../../../spec_helper'
 
 describe 'EC2.create_snapshot' do
+  describe "success" do
 
     before(:all) do
       @volume_id = ec2.create_volume('us-east-1a', 1).body['volumeId']
@@ -23,4 +24,14 @@ describe 'EC2.create_snapshot' do
       actual.body['volumeId'].should be_a(String)
     end
 
+  end
+  describe "failure" do
+
+    it "should raise a BadRequest error if the volume does not exist" do
+      lambda {
+        ec2.create_snapshot('vol-00000000')
+      }.should raise_error(Fog::Errors::BadRequest)
+    end
+
+  end
 end

spec/aws/requests/ec2/delete_snapshot_spec.rb

@@ -1,6 +1,7 @@
 require File.dirname(__FILE__) + '/../../../spec_helper'
 
 describe 'EC2.delete_snapshot' do
+  describe 'success' do
 
     before(:all) do
       @volume_id = ec2.create_volume('us-east-1a', 1).body['volumeId']
@@ -21,4 +22,14 @@ describe 'EC2.delete_snapshot' do
       end
     end
 
+  end
+  describe 'failure' do
+
+    it "should raise a BadRequest error if snapshot does not exist" do
+      lambda {
+        ec2.release_address('snap-00000000')
+      }.should raise_error(Fog::Errors::BadRequest)
+    end
+
+  end
 end

spec/aws/requests/ec2/describe_snapshot_spec.rb

@@ -40,4 +40,10 @@ describe 'EC2.describe_snapshots' do
     end
   end
 
+  it "should raise a BadRequest error if the snapshot does not exist" do
+    lambda {
+      ec2.describe_snapshots('snap-00000000')
+    }.should raise_error(Fog::Errors::BadRequest)
+  end
+
 end