haproxy tests

Fixes logstash-plugins#69

spec/patterns/haproxy_spec.rb

@@ -0,0 +1,43 @@
+# encoding: utf-8
+require "spec_helper"
+require "logstash/patterns/core"
+
+describe "HAPROXY" do
+
+  let(:haproxyhttp_pattern)  { "HAPROXYHTTP" }
+
+  context "Parsing HAPROXY log line from raw syslog line" do
+
+    let(:value) { 'Dec  9 13:01:26 localhost haproxy[28029]: 127.0.0.1:39759 [09/Dec/2013:12:59:46.633] loadbalancer default/instance8 0/51536/1/48082/99627 200 83285 - - ---- 87/87/87/1/0 0/67 {77.24.148.74} "GET /path/to/image HTTP/1.1"' } 
+    subject     { grok_match(haproxyhttp_pattern, value) }
+
+    it { should include("program" => "haproxy") }
+    it { should include("client_ip" => "127.0.0.1") }
+    it { should include("http_verb" => "GET") }
+    it { should include("server_name" => "instance8") }
+
+    it "generates a message field" do
+      expect(subject["message"]).to include("loadbalancer default/instance8")
+    end
+
+  end
+
+  let(:haproxyhttpbase_pattern)  { "HAPROXYHTTPBASE" }
+
+  context "Parsing HAPROXY log line without syslog specific enteries.  This mimics an event coming from a syslog input." do
+
+    let(:value) { '127.0.0.1:39759 [09/Dec/2013:12:59:46.633] loadbalancer default/instance8 0/51536/1/48082/99627 200 83285 - - ---- 87/87/87/1/0 0/67 {77.24.148.74} "GET /path/to/image HTTP/1.1"' } 
+    subject     { grok_match(haproxyhttpbase_pattern, value) }
+
+    # Assume 'program' would be matched by the syslog input.
+    it { should include("client_ip" => "127.0.0.1") }
+    it { should include("http_verb" => "GET") }
+    it { should include("server_name" => "instance8") }
+
+    it "generates a message field" do
+      expect(subject["message"]).to include("loadbalancer default/instance8")
+    end
+
+  end
+
+end