fixes issue #45 - passing a CSR from a file as a String

lib/spaceship/certificate.rb

@@ -235,6 +235,9 @@ def create!(csr: nil, bundle_id: nil)
           app_id = app.app_id
         end
 
+        # ensure csr is a OpenSSL::X509::Request
+        csr = OpenSSL::X509::Request.new(csr) if csr.is_a?(String)
+
         # if this succeeds, we need to save the .cer and the private key in keychain access or wherever they go in linux
         response = client.create_certificate!(type, csr.to_pem, app_id)
         # munge the response to make it work for the factory

spec/certificate_spec.rb

@@ -77,13 +77,28 @@
       expect(client).to receive(:create_certificate!).with('3BQKVH9I2X', /BEGIN CERTIFICATE REQUEST/, 'B7JBD8LHAA') {
         JSON.parse(read_fixture_file('certificateCreate.certRequest.json'))
       }
-      certificate = Spaceship::Certificate::ProductionPush.create!(csr: Spaceship::Certificate.create_certificate_signing_request.first, bundle_id: 'net.sunapps.151')
+      csr, pkey = Spaceship::Certificate.create_certificate_signing_request
+      certificate = Spaceship::Certificate::ProductionPush.create!(csr: csr, bundle_id: 'net.sunapps.151')
       expect(certificate).to be_instance_of(Spaceship::Certificate::ProductionPush)
     end
 
+    it 'should create a new certificate using a CSR from a file' do
+      expect(client).to receive(:create_certificate!).with('3BQKVH9I2X', /BEGIN CERTIFICATE REQUEST/, 'B7JBD8LHAA') {
+        JSON.parse(read_fixture_file('certificateCreate.certRequest.json'))
+      }
+      csr, pkey = Spaceship::Certificate.create_certificate_signing_request
+      Tempfile.open('csr') do |f|
+        f.write(csr.to_pem)
+        f.rewind
+        pem = f.read
+        Spaceship::Certificate::ProductionPush.create!(csr: pem, bundle_id: 'net.sunapps.151')
+      end
+    end
+
     it 'raises an error if the user wants to create a certificate for a non-existing app' do
       expect {
-        Spaceship::Certificate::ProductionPush.create!(csr: Spaceship::Certificate.create_certificate_signing_request.first, bundle_id: 'notExisting')
+        csr, pkey = Spaceship::Certificate.create_certificate_signing_request
+        Spaceship::Certificate::ProductionPush.create!(csr: csr, bundle_id: 'notExisting')
       }.to raise_error "Could not find app with bundle id 'notExisting'"
     end
   end