Enterprise Build And Test In The Cloud

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Enterprise Build and Test
in the Cloud

Carlos Sanchez
G2iX

About me

> Sr. Solutions
Architect at G2iX
> Member of Apache
Maven PMC,
Continuum, Archiva
> Eclipse I...

Index

1. The tools
2. Maven Integration Tests
3. Maven & Selenium
4. Adding Continuum to the Mix
5. Testing in ...

1. The tools

4

Build: Apache Maven

5

Build: Apache Maven

> Build tool and more

5

Build: Apache Maven

> Build tool and more
> Dependency management

5

Build: Apache Maven

> Build tool and more
> Dependency management
> Execution of unit/integration tests

...

Build: Apache Maven

> Build tool and more
> Dependency management
> Execution of unit/integration tests
> Start/s...

Build: Apache Maven

> Build tool and more
> Dependency management
> Execution of unit/integration tests
> Start/s...

Test Cases: TestNG

6

Test Cases: TestNG

> Unit/integration tests

6

Test Cases: TestNG

> Unit/integration tests
> parameterized tests

6

Test Cases: TestNG

> Unit/integration tests
> parameterized tests
> parallel testing

...

Integration Tests: Selenium

Integration Tests: Selenium

> UI and Integration testing

Integration Tests: Selenium

> UI and Integration testing
> Tests run in the browser
• support for multiple browse...

Integration Tests: Selenium

> UI and Integration testing
> Tests run in the browser
• support for multiple browse...

Continuous Integration: Apache Continuum

8

Continuous Integration: Apache Continuum

> Tight integration with Apache Maven
• dependency handling

...

Continuous Integration: Apache Continuum

> Tight integration with Apache Maven
• dependency handling
> Trigger bu...

Cloud Computing: Amazon Web Services

9

Cloud Computing: Amazon Web Services

> Amazon S3
• storage

9

Cloud Computing: Amazon Web Services

> Amazon S3
• storage
> Amazon SQS
• queue service

...

Cloud Computing: Amazon Web Services

> Amazon S3
• storage
> Amazon SQS
• queue service
> Amazon Mechanical...

Cloud Computing: Amazon Web Services

> Amazon S3
• storage
> Amazon SQS
• queue service
> Amazon Mechanical...

2. Maven integration tests

10

The webapp to test

> appfuse-struts

11

A new Maven project

> appfuse-selenium

<groupId>org.appfuse</groupId>
<artifactId>...

that depends on

> appfuse-struts

<dependency>
<groupId>org.appfuse</group...

using Cargo to run it

> automatically

<plugin>
<groupId>org.codehaus.cargo</groupId>
...

Record Selenium tests

> SeleniumIDE

15

as Java

16

test cases
public void setUp() throws Exception {
> using Selenium API setUp("http://loca...

breakpoint

> Selenium tests in Maven IT project

18

3. Maven & Selenium

19

Selenium Architecture

Selenium
server

...

Maven & Selenium

> Start Selenium server locally
> Run integration tests
> Stop selenium server

...

Selenium Maven plugin

> http://mojo.codehaus.org/selenium-maven-plugin

> selenium:start-server
> selenium:stop-ser...

Selenium Maven plugin
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>selenium-maven-pl...

-------------------------------------------------------
T E S T S
-------------------------------------------------------...

breakpoint

> Selenium tests in Maven IT project
> running locally in the browser

...

4. Adding Continuum to the Mix

27

Continuum

28

Continuum

> Build the webapp if

28

Continuum

> Build the webapp if
• the webapp changes

28

Continuum

> Build the webapp if
• the webapp changes
• the dependencies change

...

Continuum

> Build the webapp if
• the webapp changes
• the dependencies change
> Run the integration tests

...

Continuum

> Build the webapp if
• the webapp changes
• the dependencies change
> Run the integration tests
...

Continuum

> Build the webapp if
• the webapp changes
• the dependencies change
> Run the integration tests
...

Continuum

> Add appfuse-struts
> Add appfuse-selenium

29

Selenium headless

> Most likely needed

> Use *nix X Virtual Frame Buffer

> In Maven
• selenium:xvfb

...

breakpoint

> Selenium tests in Maven IT project
> running locally in the browser
> triggered by Continuum when ther...

5. Testing in different environments

32

Multi environment

33

Multi environment
Multiple Browsers

33

Multi environment
Multiple Browsers

Multiple Operating Systems

...

Multi environment
Multiple Browsers

Multiple Operating Systems

...

Parallel

> Run tests in parallel
• in each browser
• several browsers per test

...

Parallel

> Faster testing
> Load testing

Credits: XKCD
35

Selenium Grid

36

TestNG properties

> Allows to run the same tests in different
environments

> and in parallel

...

TestNG properties

<suite name="Example" parallel="tests" thread-count="3">
<test name="iexplore">
<paramet...

TestNG properties

<suite name="Example" parallel="tests" thread-count="3">
<test name="iexplore">
<paramet...

breakpoint

> Selenium tests in Maven IT project
> running locally in several browsers

...

6. and now in the Cloud

42

$$$

43

$$$

> Machines cost money

43

$$$

> Machines cost money
> Bandwidth costs money

43

$$$

> Machines cost money
> Bandwidth costs money
> Electricity costs money

43

$$$

> Machines cost money
> Bandwidth costs money
> Electricity costs money
> Server administration costs mone...

Resource Optimization

> test servers working 10-20% of the time

44

Predictions cost money
Infrastructure
Cost $

time
...

Predictions cost money
Infrastructure
Cost $

Predicted
...

Predictions cost money
Infrastructure
Cost $

Predicted
...

Predictions cost money
Infrastructure
Cost $

Large
Capital
Expenditure

...

Predictions cost money
Infrastructure
Cost $

Predicted
...

Predictions cost money
Infrastructure
Cost $

Predicted
...

Predictions cost money
Infrastructure
Cost $

Predicted
...

Predictions cost money
Infrastructure
Cost $

You just lost
...

Predictions cost money
Infrastructure
Cost $

Predicted
...

Availability

> Can you get 3000 machines in 3 days?

46

Amazon EC2

> Elastic Compute Cloud

> Machines on demand

47

Amazon EC2

> pay per hour
• same price for
• 10 machines / 1 hour
• 1 machine / 10 hours
> unlimite...

AMIs

49

AMIs

Amazon Machine Images

49

AMIs

Amazon Machine Images

Bundle your own

49

Countless possibilities

> Internet Explorer
> Firefox 2
> Opera
> Safari
> Firefox 3
> Firefox 2
> etc...
>...

Amazon AMIs

51

Amazon AMIs

> Create AMIs for different environments to test

51

Amazon AMIs

> Create AMIs for different environments to test
> Read user data to customize the images at runtime
...

Maven EC2 plugin

> in progress

> http://mojo.codehaus.org/maven-ec2-plugin
• start Amazon AMIs
• stop at the...

Workﬂow

53

Starting point

Amazon EC2

Starting point

Build is triggered

Start Images

Start Images

Register with Hub

Tests call Selenium

Distribute Tests

Run tests against webapp

Return results to Hub

Return results to builder

Kill Images

Questions?

65

Carlos Sanchez
csanchez@g2ix,com
carlos@apache.org
http://www.carlossanchez.eu

Twitter: csanchez

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