Acceptance criteria with SpecFlow

project case study June 2010

#1 CONTEXT

Using Scrum

core team of 5

started in June 2009

Using XP techniques

pair programming

TDD

Project GQ OSCA

.NET 3.5

C#

SQL 2005

TFS 2008 with STS

Visual Studio 2008 with Resharper

NHibernate Hitachi Framework

ASP.NET MVC

#2 EVOLUTION

#3 ACCEPTANCE TESTING

As a GQ OSCA Administrator I want to Create a new EME window for an academic year so that I can configure the assessment material for a paper

Acceptance Criteria

• User select 'Add New Window' creates new row for date

• User can use Calendar Select to select Start Date, End Date, and Publish Date

• For Start Date: Must be within Academic year, and not within another existing window

• For End Date: Must be after Start Date, and not within another existing window

• For Commentary Publish Date: Must be after End Date, and not within another existing window

Scenario #1

• EME Start Date is outside Academic Year – GIVEN

• the EME Start Date is outside of the current Academic Year

– WHEN • the GQ OSCA Administrator tries to save the

EME Window details

– THEN • the form should display an error message stating

that the start date must be within the Academic Year

Scenario #2

• EME Start Date is before EME End Date

– GIVEN

• the EME Start Date is after the EME End Date

– WHEN

• the GQ OSCA Administrator tries to save the EME Window details

– THEN

• the form should display an error message stating that the Start Date must be before the End Date

Scenario #3

• Existing EME Window and new EME Window Start Date is in existing EME Window – GIVEN

• An EME Window already exists • the new EME Start Date is within the existing EME

Window

– WHEN • the GQ OSCA Administrator saves the EME Window

details

– THEN • the form should display an error message stating that

the Start Date must not be within another EME Window

Workflow

#4 SPECFLOW

Gherkin

prepare context set state

execute actions

make assertions

#5 MORE EXAMPLES

Challenges

• Users writing the acceptance tests

• Meaningful tests

• Correct granularity of acceptance tests

• Coverage

Reference

• Gherking

http://wiki.github.com/aslakhellesoy/cucumber/gherkin

• Cucumber

http://cukes.info/

• SpecFlow

http://www.specflow.org/

http://creativecommons.org/licenses/by-nd/2.0/uk/