1.
Garrett Honeycutt
gh@learnpuppet.com
learnpuppet.com
@learnpuppet
Garrett Honeycutt
gh@learnpuppet.com
learnpuppet.com
@learnpuppet

2.
TDD?

3.
Why Test?

4.
DEVELOPERS!
DEVELOPERS!
DEVELOPERS!
DEVELOPERS!
DEVELOPERS!
DEVELOPERS!
DEVELOPERS!
DEVELOPERS!
DEVELOPERS!
DEVELOPERS!

5.
Why Test
First?

6.
What to
Test?

7.
Tooling

8.
require 'spec_helper'
!
describe package('httpd') do
it { should be_installed }
end
!
describe service('httpd') do
it { should be_enabled }
it { should be_running }
end
!
describe port(80) do
it { should be_listening }
end

9.
$ rake spec
!
Package "httpd"
should be installed
!
Service "httpd"
should be enabled
should be running
!
Port "80"
should be listening
!
4 examples, 0 failures

10.
Monitoring

11.
$ ping -c1 example.com
PING example.com (93.184.216.119): 56
data bytes
64 bytes from 93.184.216.119: icmp_seq=0
ttl=58 time=4.947 ms
!
--- example.com ping statistics ---
1 packets transmitted, 1 packets
received, 0.0% packet loss
round-trip min/avg/max/stddev =
4.947/4.947/4.947/0.000 ms

12.
$ curl example.com -I
HTTP/1.1 200 OK
Accept-Ranges: bytes
Cache-Control: max-age=604800
Content-Type: text/html
Date: Thu, 13 Nov 2014 03:52:15 GMT
Etag: "359670651"
Expires: Thu, 20 Nov 2014 03:52:15 GMT
Last-Modified: Fri, 09 Aug 2013 23:54:35
GMT
Server: ECS (pae/3796)
X-Cache: HIT
x-ec-custom-error: 1
Content-Length: 1270

13.
write tests
(which fail)

14.
just enough
code to pass

15.
refactor

16.
Garrett Honeycutt
gh@learnpuppet.com
learnpuppet.com
@learnpuppet