substitutable dependency

A software component may depended on any number of other components. If we are to test this component by itself, we need to be able to replace the other components with a Test Double. There are several ways that we can make something into a substitutable dependency including Dependency Injection, Dependency Lookup and Test-Specific Subclass.

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Copyright © 2003-2008 Gerard Meszaros all rights reserved

All "Glossary"

acceptance test

anonymous inner class

aspect-oriented programming

asynchronous test

behavior-driven development

built-in self test

class attribute

continuous integration

data access layer

depended-on component (DOC)

design for testability

document-driven development

dynamic binding

emergent design

endoscopic testing

equivalence class

example-driven development

expected outcome

exploratory testing

eXtreme Programming

fault insertion test

fixture holding class variable

fixture holding instance variable

fixture holding local variable

fixture teardown

fluent interface

function pointer

functional test

garbage collection

global variable

Hollywood Principle

incremental delivery

incremental development

indirect output

instance method

instance variable

interaction point

inversion of control

iterative development

layer-crossing test

legacy software

method attribute

need-driven development

object-relational mapping

observation point

outgoing interface

pattern language

per-functionality test

presentation layer

presentation logic

procedure variable

production code

programmer test

regression test

result verification

root cause analysis

round trip test

static variable

storytest-driven development

substitutable dependency

synchronous test

test maintainer

test-driven bug fixing

test-driven development

test-first development

test-last development

test-specific equality

user acceptance test