Add specs for RavenParameterFilterProcesser

spec/blouson/raven_parameter_filter_processer_spec.rb

@@ -0,0 +1,35 @@
+require 'spec_helper'
+require 'raven'
+require 'blouson/raven_parameter_filter_processor'
+
+RSpec.describe 'Blouson::RavenParameterFilterProcessor' do
+  describe 'process_request_headers' do
+    let(:filter_processor_class) {
+      Blouson::RavenParameterFilterProcessor.create(
+        [],
+        %w(Really-Sensitive-Header-That-Needs-To-Be-Filtered)
+      )
+    }
+
+    let(:value) {
+      {
+        request: {
+          headers: {
+            'Really-Sensitive-Header-That-Needs-To-Be-Filtered' => 'important_token',
+            'Insensitive-Header' => 'foo'
+          }
+        }
+      }
+    }
+
+    it 'filters headers in header_filters' do
+      processed_value = filter_processor_class.new.process(value)
+      expect(processed_value[:request][:headers]['Really-Sensitive-Header-That-Needs-To-Be-Filtered']).to eq('FILTERED')
+    end
+
+    it 'won\'t filter headers not in header_filters' do
+      processed_value = filter_processor_class.new.process(value)
+      expect(processed_value[:request][:headers]['Insensitive-Header']).to eq('foo')
+    end
+  end
+end