Extract socketless server map and add specssocketless

1 files changed, 71 insertions, 0 deletions

diff --git a/spec/socketless_server_map_spec.rb b/spec/socketless_server_map_spec.rb
new file mode 100644
index 0000000..8ef2ac7
--- /dev/null
+++ b/spec/socketless_server_map_spec.rb
@@ -0,0 +1,71 @@
+require 'chef_zero/socketless_server_map'
+
+
+describe "Socketless Mode" do
+
+  let(:server_map) { ChefZero::SocketlessServerMap.instance.tap { |i| i.reset! } }
+
+  let(:server) { instance_double("ChefZero::Server") }
+
+  let(:second_server) { instance_double("ChefZero::Server") }
+
+  it "registers a socketful server" do
+    server_map.register_port(8889, server)
+    expect(server_map).to have_server_on_port(8889)
+  end
+
+  context "when a no-listen server is registered" do
+
+    let!(:port) { server_map.register_no_listen_server(server) }
+
+    it "assigns the server a low port number" do
+      expect(port).to eq(1)
+    end
+
+    context "and another server is registered" do
+
+      let!(:next_port) { server_map.register_no_listen_server(second_server) }
+
+      it "assigns another port when another server is registered" do
+        expect(next_port).to eq(2)
+      end
+
+      it "raises NoSocketlessPortAvailable when too many servers are registered" do
+        expect { 1000.times { server_map.register_no_listen_server(server) } }.to raise_error(ChefZero::NoSocketlessPortAvailable)
+      end
+
+      it "deregisters a server" do
+        expect(server_map).to have_server_on_port(1)
+        server_map.deregister(1)
+        expect(server_map).to_not have_server_on_port(1)
+      end
+
+      describe "routing requests to a server" do
+
+        let(:rack_req) do
+          r = {}
+          r["REQUEST_METHOD"] = "GET"
+          r["SCRIPT_NAME"] = ""
+          r["PATH_INFO"] = "/clients"
+          r["QUERY_STRING"] = ""
+          r["rack.input"] = StringIO.new("")
+          r
+        end
+
+        let(:rack_response) { [200, {}, ["this is the response body"] ] }
+
+        it "routes a request to the registered port" do
+          expect(server).to receive(:handle_socketless_request).with(rack_req).and_return(rack_response)
+          response = server_map.request(1, rack_req)
+          expect(response).to eq(rack_response)
+        end
+
+        it "raises ServerNotFound when a request is sent to an unregistered port" do
+          expect { server_map.request(99, rack_req) }.to raise_error(ChefZero::ServerNotFound)
+        end
+      end
+    end
+  end
+
+
+end