From dc98f7590d6a6bca16481b0fe11132e7fd1fe5c9 Mon Sep 17 00:00:00 2001
From: Brandon Forehand <brandon@moz.com>
Date: Fri, 17 Nov 2017 09:32:55 -0800
Subject: [PATCH] Add Crawl-Delay to string representation of Agent.

---
 src/agent.cpp       | 5 +++++
 test/test-agent.cpp | 9 +++++++++
 2 files changed, 14 insertions(+)

diff --git a/src/agent.cpp b/src/agent.cpp
index 4ecffd7..33824c5 100644
--- a/src/agent.cpp
+++ b/src/agent.cpp
@@ -1,4 +1,5 @@
 #include <algorithm>
+#include <iomanip>
 #include <sstream>
 
 #include "url.h"
@@ -89,6 +90,10 @@ namespace Rep
     std::string Agent::str() const
     {
         std::stringstream out;
+        if (delay_ > 0)
+        {
+            out << "Crawl-Delay: " << std::setprecision(3) << delay_ << ' ';
+        }
         out << '[';
         const auto& d = directives();
         auto begin = d.begin();
diff --git a/test/test-agent.cpp b/test/test-agent.cpp
index e5707ea..888c657 100644
--- a/test/test-agent.cpp
+++ b/test/test-agent.cpp
@@ -116,3 +116,12 @@ TEST(AgentTest, Str)
     agent.allow("/bar");
     EXPECT_EQ("[Directive(Disallow: /foo), Directive(Allow: /bar)]", agent.str());
 }
+
+TEST(AgentTest, StrWithDelay)
+{
+    Rep::Agent agent("a.com");
+    agent.delay(1.0);
+    agent.disallow("/foo");
+    agent.allow("/bar");
+    EXPECT_EQ("Crawl-Delay: 1 [Directive(Disallow: /foo), Directive(Allow: /bar)]", agent.str());
+}