Learn how to easily run performance tests with real browsers using Selenium WebDriver. Ophir Prusak, BlazeMeter’s Chief Evangelist, gives step-by-step instructions on doing this using BlazeMeter and/or JMeter. Learn how to: - Correlate actual browser-based user experience with the load tests - Run multiple Selenium Webdriver tests in parallel at scale by using the power of the cloud - Do it all without any prior JMeter knowledge or experience!

1. Performance
Tes-ng
with
Real
Browsers
Harnessing
the
power
of
JMeter
&
Selenium
Webdriver
785 Castro Street, Mountain View, CA 94041 | 1.855.445.2285 | info@blazemeter.com
BlazeMeter
OPHIR
PRUSAK
Chief
Evangelist
-­‐
BlazeMeter

2. AGENDA
• JMeter
vs
Real
Browsers
• Installing
the
JMeter
Webdriver
Plugin
• CreaCng
Basic
Scripts
• MulC
Step
Scripts
• Adding
CSV
files
• GeneraCng
Load
in
the
Cloud
with
BlazeMeter
• Q&A

3. About
BlazeMeter
API
|
Mobile
|
Web
|
CI
|
Load
&
Performance
TesCng
|
Cloud
&
Behind
the
Firewall
Open
Source
Compa-ble
(JMeter
&
Webdriver)
100%
Backend
Applica-on
Tes-ng
(Performance
&
API)
Self
Served
Pure
SAAS
Cloud
Tap
Into
the
Largest
Developers
Community
in
the
World
(Open
Source)

4. JMeter
vs
Real
Browsers
Real
Browsers
• AcCvity
defined
in
terms
of
user
acCons
– Enter
URL
in
the
address
bar
– Click
on
an
element
– Enter
keystrokes
• Browser
executes
addiConal
acCons
– Parse
HTML
– Executes
JavaScript
– Understands
Form
Logic

5. JMeter
vs
Real
Browsers
JMeter
• AcCvity
defined
in
terms
of
HTTP
acCons
– HTTP
GET,
HTTP
POST,
etc
– Supports
Cookies
and
Caching
– User
Variables,
Response
Data
ExtracCon
and
Flow
Logic
• JMeter
does
not
execute
most
client
side
logic
– Parse
HTML
– Executes
JavaScript
– Understands
Form
Logic

6. Resource
Requirements
JMeter
vs
Real
Browsers
JMeter
Real
Browsers
300
to
2000
virtual
users
per
server
1
to
3
virtual
users
per
CPU
core
8
GB,
4
core
machine
=
1,000
users
8
GB,
4
core
machine
=
4-­‐12
users

7. Installing
JMeter
Webdriver
Plugin
• Download
Zip
from
jmeter-­‐plugins.org
• Copy
jar
files
into
lib
and
lib/ext
directories
• Delete
older
/
duplicate
HTTP
jars

8. Simple
Scrip-ng
• Add
Thread
Group
(1
user)
• Add
FireFox
Driver
Config
(easiest
to
get
working)
– FireFox
26.0
works.
Later
versions
not
guaranteed.
• Add
Sampler
/
Webdriver
Sampler
• Enter
Webdriver
Code
• Add
Listeners
for
Debugging
• Run
Test

9. Simple
Scrip-ng
• WDS.sampleResult.sampleStart()
• Do
some
stuff
• WDS.sampleResult.sampleEnd()
• Tutorials
• hcp://jmeter-­‐plugins.org/wiki/WebDriverTutorial/
• hcp://jmeter-­‐plugins.org/wiki/WebDriverSampler/
• hcp://blazemeter.com/blog/webdriver-­‐sampler-­‐your-­‐top-­‐10-­‐quesCons-­‐answered

10. Mul-
Step
Scrip-ng
• Add
More
Webdriver
Samplers
• Each
Sampler
ConCnues
Same
Session
• Each
Thread
IteraCon
is
a
New
Session

11. CSV
Files
• Use
Standard
CSV
Data
Set
Config
Element
• Variables
are
referenced
as
${varname}
– For
example
– WDS.browser.findElement(pkg.By.id('zipCode')).sendKeys(['${zip}'])

12. Genera-ng
Load
with
BlazeMeter
1. Create
script
and
debug
locally
2. Upload
to
BlazeMeter
and
set
load
parameters
1. Currently
running
Webdriver
1.1.2
2. Firefox
browsers
for
webdriver
tests
3. Phantom.js
and
Chrome
support
coming
soon
3. Run
test
4. For
errors,
check
log
files

13. Genera-ng
Load
with
BlazeMeter
• Free
Users
–
one
machine
with
up
to
5
browsers
• Paid
Accounts
–
up
to
20
browsers
per
server
• Enterprise
Accounts
–
up
to
1,000
servers
/
per
test

14. DEMO

15. THANK
YOU
FOR
YOUR
TIME!
Q
&
A
For more information:
BlazeMeter.com/blog
info@blazemeter.com
@BlazeMeter