Reject ssh keys that break gitolite.

Failing test.

Working check.

spec/factories.rb

@@ -83,11 +83,7 @@ FactoryGirl.define do
   factory :key do
     title
     key do
-      """
-      ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAiPWx6WM4lhHNedGfBpPJNPpZ7yKu+dnn1SJejgt4
-      596k6YjzGGphH2TUxwKzxcKDKKezwkpfnxPkSMkuEspGRt/aZZ9wa++Oi7Qkr8prgHc4
-      soW6NUlfDzpvZK2H5E7eQaSeP3SAwGmQKUFHCddNaP0L+hM7zhFNzjFvpaMgJw0=
-      """
+      "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAiPWx6WM4lhHNedGfBpPJNPpZ7yKu+dnn1SJejgt4596k6YjzGGphH2TUxwKzxcKDKKezwkpfnxPkSMkuEspGRt/aZZ9wa++Oi7Qkr8prgHc4soW6NUlfDzpvZK2H5E7eQaSeP3SAwGmQKUFHCddNaP0L+hM7zhFNzjFvpaMgJw0="
     end
 
     factory :deploy_key do
@@ -97,6 +93,12 @@ FactoryGirl.define do
     factory :personal_key do
       user
     end
+
+    factory :key_with_a_space_in_the_middle do
+      key do
+        "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAIEAiPWx6WM4lhHNedGfBpPJNPpZ7yKu+dnn1SJejgt4596k6YjzGGphH2TUxwKzxcKDKKezwkpfnxPkSMkuEspGRt/aZZ9wa ++Oi7Qkr8prgHc4soW6NUlfDzpvZK2H5E7eQaSeP3SAwGmQKUFHCddNaP0L+hM7zhFNzjFvpaMgJw0="
+      end
+    end
   end
 
   factory :milestone do

spec/models/key_spec.rb

@@ -46,4 +46,16 @@ describe Key do
       end
     end
   end
+
+  context "validate it is a fingerprintable key" do
+    let(:user) { Factory.create(:user) }
+
+    it "accepts the fingerprintable key" do
+      build(:key, user: user).should be_valid
+    end
+
+    it "rejects the unfingerprintable key" do
+      build(:key_with_a_space_in_the_middle).should_not be_valid
+    end
+  end
 end