3 files changed, 26 insertions, 3 deletions
diff --git a/lib/registration.rb b/lib/registration.rb
index 16be55a..e38f0fe 100644
--- a/lib/registration.rb
+++ b/lib/registration.rb
@@ -21,6 +21,10 @@ def generate_pdf_for(band, filename)
   pdf.render(filename)
 end
 
+def sanitize(s)
+  s.gsub(/[ ,.:!^'*\/\\]+/, '-')
+end
+
 def create_pdf_file_name(band)
-  filename = "#{Date.today.iso8601}-#{band.name}-#{band.city}.pdf"
+  filename = "#{Date.today.iso8601}-#{sanitize(band.name)}-#{sanitize(band.city)}.pdf"
 end
diff --git a/spec/pdf_form_spec.rb b/spec/pdf_form_spec.rb
new file mode 100644
index 0000000..334678a
--- /dev/null
+++ b/spec/pdf_form_spec.rb
@@ -0,0 +1,19 @@
+require "spec_helper"
+
+describe "create_pdf_file_name" do
+  describe "returns a filename that" do
+    let(:band) { Struct.new(:name, :city).new("A: blöddy/band, name!", "Øksendal, Flünsbørg") }
+
+    before :each do
+      @filename = create_pdf_file_name(band)
+    end
+
+    it "contains no spaces" do
+      expect(@filename).not_to match(/[ ]+/)
+    end
+
+    it "contains no symbols" do
+      expect(@filename.gsub('.pdf', '')).not_to match(/[,.:!^'*\/\\]+/)
+    end
+  end
+end
diff --git a/spec/registration_spec.rb b/spec/registration_spec.rb
index 522b155..4ccb24d 100644
--- a/spec/registration_spec.rb
+++ b/spec/registration_spec.rb
@@ -74,7 +74,7 @@ describe RegistrationApp do
 
       it "generates a PDF file" do
         expect(Prawn::Document).to have_received('new').with({ :page_size => "A4" })
-        expect(@doc_spy).to have_received('render_file').with(/uploads\/[0-9]{4}-[0-9]{2}-[0-9]{2}-#{band_params['name']}-#{band_params['city']}\.pdf/)
+        expect(@doc_spy).to have_received('render_file').with(/uploads\/[0-9]{4}-[0-9]{2}-[0-9]{2}-#{sanitize(band_params['name'])}-#{sanitize(band_params['city'])}\.pdf/)
       end
 
       describe 'sends an email to Norsk Urskog' do
@@ -87,7 +87,7 @@ describe RegistrationApp do
         end
 
         it 'contains the url to the pdf file' do
-          expect(message.body).to match(/example.org\/uploads\/[0-9]{4}-[0-9]{2}-[0-9]{2}-#{band_params['name']}-#{band_params['city']}\.pdf/)
+          expect(message.body).to match(/example.org\/uploads\/[0-9]{4}-[0-9]{2}-[0-9]{2}-#{sanitize(band_params['name'])}-#{sanitize(band_params['city'])}\.pdf/)
         end
       end
     end