Topic: Scenario Testing,ECP

Message

   Scenario Testing

Def#1:

Scenario testing is used to create large test cases that model real use
of the application by covering multiple requirements. These tests are
used to find bugs in the system, learn the product, and find
requirements problems. Scenarios should be real life examples of system
use, but exaggerated to test extreme use, like a soap-opera. However,
scenario testing does not provide code coverage, and it is a black-box
testing approach that should be used later in development.

Transaction flow testing looks at the different processes and
decision points in a transaction of the system. This is a way to model
a scenario and test all of the branches in a particular transaction.

Def#2:

Scenario testing is a software testing activity. It uses scenario
tests, or simply scenarios, which are based on a hypothetical story to
help a person think through a complex problem or system. They can be as
simple as a diagram for a testing environment or they could be a
description written in prose. The ideal scenario has five key
characteristics. It is (a) a story that is (b) motivating, (c)
credible, (d) complex, and (e) easy to evaluate. These tests are
usually different from test cases in that test cases are single steps
and scenarios cover a number of steps. Test suites and scenarios can be
used in concert for complete system testing.

Equivalence class Paartitioning 
What is Equivalence Class Partitioning (ECP or EP)?

Equivalence Class Partitioning is tests based on evaluating input or output conditions and separating them into two or more sets

- Reduce # of tests to achieve "reasonable" coverage

- Covers a large set of possible data

- 2 basic sets: Valid class and Invalid class sets

Equivalence classes are formed by a partition of a set made up of subsets whose union is the entire set.
For example, in the triangle program a test for an equilateral triangle
may include the inputs (6,6,6). Another test with numbers from the same
subset (such as 8,8,8) would likely not produce a different result from
the previous test. From a code implementation view, the data is handled
the same way so the second test case using data from the same equivalence class can be considered a redundant test case.

Author	Message
vidhya Senior Member Joined: 24Mar2007 Online Status: Offline Posts: 114	Topic: Scenario Testing,ECP Posted: 28Mar2007 at 5:19am
	Scenario Testing Def#1: Scenario testing is used to create large test cases that model real use of the application by covering multiple requirements. These tests are used to find bugs in the system, learn the product, and find requirements problems. Scenarios should be real life examples of system use, but exaggerated to test extreme use, like a soap-opera. However, scenario testing does not provide code coverage, and it is a black-box testing approach that should be used later in development. Transaction flow testing looks at the different processes and decision points in a transaction of the system. This is a way to model a scenario and test all of the branches in a particular transaction. Def#2: Scenario testing is a software testing activity. It uses scenario tests, or simply scenarios, which are based on a hypothetical story to help a person think through a complex problem or system. They can be as simple as a diagram for a testing environment or they could be a description written in prose. The ideal scenario has five key characteristics. It is (a) a story that is (b) motivating, (c) credible, (d) complex, and (e) easy to evaluate. These tests are usually different from test cases in that test cases are single steps and scenarios cover a number of steps. Test suites and scenarios can be used in concert for complete system testing. Equivalence class Paartitioning What is Equivalence Class Partitioning (ECP or EP)? Equivalence Class Partitioning is tests based on evaluating input or output conditions and separating them into two or more sets - Reduce # of tests to achieve "reasonable" coverage - Covers a large set of possible data - 2 basic sets: Valid class and Invalid class sets Equivalence classes are formed by a partition of a set made up of subsets whose union is the entire set. For example, in the triangle program a test for an equilateral triangle may include the inputs (6,6,6). Another test with numbers from the same subset (such as 8,8,8) would likely not produce a different result from the previous test. From a code implementation view, the data is handled the same way so the second test case using data from the same equivalence class can be considered a redundant test case.
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