2 fitnesse

Acceptance Testing with Fitnesse Alessandro Marchetto Fondazione Bruno Kessler - IRST

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Business Logic GUI Web UI Persistence Layer Jemmy/Abbot/JFCUnit/… HttpUnit/Canoo/Selenium Junit/SQLUnit/XMLUnit FIT/Fitnesse ( High level ) Junit ( Low level ) Cactus Perfomance and Load Testing JMeter/JUnitPerf Testing tools

[object Object],[object Object],Traditional Approaches for acceptance testing Disadvantages : expensive, error prone, not repeatable, … Disavantages: Tests are brittle, i.e., have to be re-captured if the GUI changes. “ Avoid acceptance testing only in final stage: Too late to find bugs”

[object Object],[object Object],Table-based Approach for acceptance testing Pro: help to clarify requirements, used in System testing, … Cons: expensive, error prone, … inputs output

What is Fit? ,[object Object],[object Object],[object Object],[object Object]

Using Fit ,[object Object],[object Object],[object Object],[object Object],[object Object]

To work with Fit ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],Fit table

Fixture ,[object Object],[object Object],[object Object]

Test Runner ,[object Object],“ red for failures and green for passed tests ” 75 5 7 26 38 Wigan 100 expected ------------------- 93 actual 2 1 35 38 Dummy 93 2 1 35 38 Chelsea 54 16 2 20 38 Aston Villa 83 5 2 31 38 Arsenal rating() lost drawn won played team name sample.VerifyRating

The Fit picture User Story Fit Table Fixture Customer/ Analyst (i, o) System i o’ Developer o ≠ o’ Test Runner Output Table O = expected output O’ = actual output

Core Fixture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fit Tools ,[object Object],[object Object],[object Object],[object Object],[object Object]

What is a Wiki? ,[object Object],[object Object],[object Object],[object Object],[object Object],Wikipedia … TestDrivenDevelopment ?

Eclipse ,[object Object],[object Object],[object Object],[object Object],[object Object],IDE = “Integrated development environment” ,[object Object],[object Object],[object Object],[object Object]

What is FitNesse? ,[object Object],[object Object],[object Object],[object Object],[object Object]

How to use FitNesse? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],“ expected 170, actual 190” How to use Fitnesse without Eclipse? http ://fitnesse.org/FitNesse.UserGuide.DownloadingAndInstallingFitNesse http://www.bandxi.com/fitnesse/download.html

http://fitnesse.org/FitNesse.UserGuide.EditingFitNessePages

Sub Wikis and Test suites ,[object Object],[object Object],[object Object],… Wiki parent SubWiki 1 SubWiki 2 http://fitnesse.org/FitNesse.UserGuide.SubWiki

Wiki Sub-wiki Remember to initially create the first page

Core Fixture in Fitnesse ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://fitnesse.org/FitNesse.UserGuide.FixtureGallery

[object Object],ColumnFixture - The second row lists column names for input and output “()” - All following rows list combinations of input arguments and expected values of output arguments. The fixture class should extend fit.ColumnFixture and declare public fields and methods to match the second table row. import fit.ColumnFixture extends ColumnFixture import fit.ColumnFixture; public class ColumnFixtureTest extends ColumnFixture { public String firstPart; public String secondPart; private int length; public String together(){ length=firstPart.length()+secondPart.length(); return firstPart+ ", "+secondPart; } public int totalLength(){ return length; } } !|info.fitnesse.fixturegallery.ColumnFixtureTest| |firstPart|secondPart|together()|totalLength()| |Hello|World|Hello, World|10| |Houston|We Have a Problem|Houston, We Have a Problem|24|

[object Object],ActionFixture All rows after the first begin with a command cell, followed by command arguments in the remaining cells. Possible commands are: start — it starts the test by taking the class name for the actual fixture to automate check — it executes a method and verifies its value. press — it executes a void method without testing anything. enter — it executes a method and passes an argument to it. import fit.ActionFixture; extends ActionFixture public class ActionFixtureTest extends fit.Fixture{ private String first, second, both; public void firstPart(String s){ first=s; } public void secondPart(String s){ second=s; } public void join(){ both=first+ ", "+second; } public String together(){ return both; } } !|ActionFixture| |start|ActionFixtureTest| |enter|firstPart|Hello| |enter|secondPart|World| |press|join| |check|together|Hello, World|

[object Object],RowFixture Override: - getTargetClass: returns the Type or Class object representing the type of objects in the array. - query : returns the actual array of objects to be verified. - The second row describes the properties or methods that you want to verify - All rows after that describe expected objects in the array import fit.RowFixture extends RowFixture import info.fitnesse.fixturegallery.domain.Player; import fit.RowFixture; public class RowFixtureTest extends RowFixture{ public Class getTargetClass() { return Player.class; } public Object[] query() throws Exception { return Player.players.toArray(); } } !|RowFixtureTest| |name|post code| |John Smith|SW4 66Z| |Michael Jordan|NE1 8AT|

[object Object],RowEntryFixture ,[object Object],[object Object],[object Object],- The first row contains the field that we want to enter - All rows after the first contain the data to be added import fitnesse.fixtures.RowEntryFixture; extends RowEntryFixture public class RowEntryExample extends RowEntryFixture{ public int v; public void enterRow() throws Exception{ if (v == 0) throw new Exception("Oh, no! Zero!"); } } |fitnesse.fixtures.RowEntryExample| |v| |1| |0|

An example: Sum Calculator public class MySum { public static int sum (int a, int b) { return a+b; } } public class MyFixture extends ColumnFixture { int a,b; public int sum () { return MySum.sum(a,b); } } A full demo: http://softeng.polito.it/courses/tutorial/FitnesseInEclipse.html

An example: Football team Website ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

user story (change requirement) set of acceptance tests excel file with sample data

Test1: Table “verify the rating is calculated properly” ,[object Object],[object Object],[object Object],[object Object],[object Object],“column fixture”

Test1: Fixture “verify the rating is calculated properly” ,[object Object],[object Object],[object Object],public class VerifyRating extends ColumnFixture { public String teamName; public int played; public int won; public int drawn; public int lost; public long rating() { Team team = new Team(teamName, played,won,drawn,lost); return team.rating; } }

[object Object],package sport.businessObjects; public class Team { public String name; public int played; public int won; public int drawn; public int lost; public int rating; public Team(String name, int ply, int won, int drawn, int lst) { super(); this.name = name; this.played = played; this.won = won; this.drawn = drawn; this.lost = lost; calculateRating(); } private void calculateRating() { float value = ((10000f*(won*3+drawn))/(3*played))/100; rating = Math.round(value); } }

Test1: Running “verify the rating is calculated properly” ,[object Object],[object Object],[object Object],[object Object],[object Object],passed failed exception Launch the test runner … 75 5 7 26 38 Wigan 100 expected ------------------- 93 actual 2 1 35 38 Dummy 93 2 1 35 38 Chelsea 54 16 2 20 38 Aston Villa 83 5 2 31 38 Arsenal rating() lost drawn won played team name sport.fixtures.VerifyRating

Test 2 “Search for top two teams using the screen and validate the search results” ,[object Object],[object Object],[object Object],[object Object],[object Object],“ Top 2 teams based on rating”

[object Object],[object Object],[object Object],[object Object],Test 2: Table 1 “Search for top two teams using the screen and validate the search results” “action fixture”

Test 2: Fixture “1” “Search for top two teams using the screen and validate the search results” public class VerifyWorkflow extends Fixture { private int topN; private Collection<Team> results; public void numberOfTopTeams(int n) { topN = n; } public void search() { results = Populate.teams.getTopTeams(topN); } public int numberOfResults() { return results.size(); } }

Test 2: Running “1” “Search for top two teams using the screen and validate the search results” ,[object Object],[object Object],[object Object],[object Object],2 number of results check search press 2 number of top teams enter sport.fixtures.VerifyWorkflow start fit.ActionFixture

Test 2: Fit table “2” “validate the search results” ,[object Object],[object Object],[object Object],It could be expressed by means of its fields or methods 83 5 2 31 38 Arsenal 93 2 1 35 38 Chelsea rating lost drawn won played name sport.fixtures.VerifyResults “row fixture” Name of the row fixture Expected collection of objects

Test 2: Fixture “2” “validate the search results” public class VerifyResults extends RowFixture { @Override public Object[] query() throws Exception { return Populate.teams.getTopTeams(2).toArray(); } @Override public Class getTargetClass() { return Team.class; } }

Test 2: Running “2” “validate the search results” ,[object Object],[object Object],[object Object],[object Object],[object Object],83 5 2 31 38 Arsenal 93 2 1 35 38 Chelsea rating lost drawn won played name sample.VerifyResults

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],… supporting fixture

Testing non-functional requirements: “timed action fixture” ,[object Object],[object Object],[object Object],10 sec.

Summary fixture ,[object Object],[object Object],[object Object]

Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

References ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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