fix cache purge test url and encode spaces

tests/workers/purge_cache_worker_tests.rb

@@ -6,34 +6,50 @@ describe PurgeCacheWorker do
   end
 
   it 'throws exception without 200 or 404 http status' do
-    stub_request(:get, "http://#{@test_ip}/:cache/purgetest.jpg").
+    stub_request(:get, "http://#{@test_ip}/:cache/purge/test.jpg").
       with(headers: {'Host' => 'kyledrake.neocities.org'})
       .to_return(status: 503)
 
     worker = PurgeCacheWorker.new
 
     proc {
-      worker.perform @test_ip, 'kyledrake', 'test.jpg'
+      worker.perform @test_ip, 'kyledrake', '/test.jpg'
     }.must_raise RestClient::ServiceUnavailable
   end
 
   it 'handles 404 without exception' do
-    stub_request(:get, "http://#{@test_ip}/:cache/purgetest.jpg").
+    stub_request(:get, "http://#{@test_ip}/:cache/purge/test.jpg").
       with(headers: {'Host' => 'kyledrake.neocities.org'})
       .to_return(status: 404)
 
     worker = PurgeCacheWorker.new
-    worker.perform @test_ip, 'kyledrake', 'test.jpg'
+    worker.perform @test_ip, 'kyledrake', '/test.jpg'
   end
 
   it 'sends a purge request' do
-    stub_request(:get, "http://#{@test_ip}/:cache/purgetest.jpg").
+    stub_request(:get, "http://#{@test_ip}/:cache/purge/test.jpg").
       with(headers: {'Host' => 'kyledrake.neocities.org'})
       .to_return(status: 200)
 
     worker = PurgeCacheWorker.new
-    worker.perform @test_ip, 'kyledrake', 'test.jpg'
+    worker.perform @test_ip, 'kyledrake', '/test.jpg'
 
-    assert_requested :get, "http://#{@test_ip}/:cache/purgetest.jpg"
+    assert_requested :get, "http://#{@test_ip}/:cache/purge/test.jpg"
+  end
+
+  it 'handles spaces correctly' do
+    stub_request(:get, "http://#{@test_ip}/:cache/purge/te st.jpg").
+      with(headers: {'Host' => 'kyledrake.neocities.org'})
+      .to_return(status: 200)
+
+    url = Addressable::URI.encode_component(
+      "http://#{@test_ip}/:cache/purge/te st.jpg",
+      Addressable::URI::CharacterClasses::QUERY
+    )
+
+    worker = PurgeCacheWorker.new
+    worker.perform @test_ip, 'kyledrake', '/te st.jpg'
+
+    assert_requested :get, url
   end
 end

workers/purge_cache_worker.rb

@@ -1,3 +1,5 @@
+require 'open-uri'
+
 class PurgeCacheWorker
   include Sidekiq::Worker
   sidekiq_options queue: :purgecache, retry: 1000, backtrace: false, average_scheduled_poll_interval: 1
@@ -8,9 +10,12 @@ class PurgeCacheWorker
   end
 
   def perform(proxy_ip, username, path)
-    url = "http://#{proxy_ip}/:cache/purge#{path}"
+    url = Addressable::URI.encode_component(
+      "http://#{proxy_ip}/:cache/purge#{path}",
+      Addressable::URI::CharacterClasses::QUERY
+    )
     begin
-      RestClient.get(url, host: "#{username}.neocities.org")
+      RestClient.get(url, host: URI::encode("#{username}.neocities.org"))
     rescue RestClient::ResourceNotFound
     end
   end