Learn the fundamental techniques and approaches to software testing and enhanced comprehend what to test, how to test it, and in what contexts certain practices. Fundamentals of Software Testing offer an eye-opening view into this difficult task based on multiple sources of industry best practice.

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Software Testing And
Its Fundamentals

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Software Testing is used to identify the
accuracy, completeness, and quality of a
software application.
It executes the software under several positive
and negative conditions and checks for its
compliance, functionality, and performance.

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Understanding Error,
Bug, Fault, Failure and
Defect

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The human action that results in an incorrect output
is an error.
The presence of error while software execution is
called a bug.
The state of software with an error/bug is a fault.
This event of deviation in software functionality
from its intended result is called a failure.

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A test is an action taken to
find out if something is
working as it is supposed to
work.
It involves simulating
situations under which the
object is supposed to work.

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It is a descriptive document
where the scope of testing,
approach, resources,
schedule and its related
activities are described.
The format and the content
of a test plan can differ
based on the processes,
standards and the testing
tools being used.

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It is a set of conditions or
input parameters which is
used while execution.
The actual output is then
compared with the
intended output to
determine whether the
system works as required.

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A test script is used in
automated testing. It is a set
of instructions which are
executed in an application
under test.
Many test automation
frameworks can
record/generate the test
scripts.
Test Script

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Methods of Software
Testing

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White Box Method
Also known as open box
testing, in this method,
the internal structure of
the application under
test is known to the
tester.

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Black Box Method
This is a testing method
where the internal
structure of the system is
not known to the tester.

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Gray Box Method
Being a combination of
white box and black box
testing, here the internal
structure is partially
known.
It implies black box
testing with access to the
internal resources.

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Agile method
It follows the principles
of the agile methodology
and testing is carried out
throughout the
development process.

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Ad hoc method
This refers to random
testing without any
documentation or proper
planning.

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Levels of Software Testing

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Unit Testing
Here individual methods of the
application are tested.
It is performed by using the white
box method.

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Integration Testing
Here the individual units are
combined and tested as a group.
Here, any of the white box, black
box or grey box methods can be
used for testing.

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System Testing
Here, the complete system is checked.
This evaluates the compliance of the
system with the requirements specified.
Generally, the black box method is used
to carry out this test.

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Acceptance Testing
This evaluates the system for its
acceptability by checking its
compliance level with the system
requirements specification.
Here, black box method is followed
for the testing.

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Types of Software Tests
Smoke Test
Functional Test
Usability Test
Security Test
Performance Test
Regression Test
Compliance Test

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Phases of Software Testing
A software testing life cycle, STLC, defines the
different phases in software testing.
Although the phases are the same, but their
sequence differs as per the Software Development
Life Cycle(SDLC) followed and the management
decisions.
The phases may not be sequential as shown. They
may also be carried out in parallel as well. The
general phases of any STLC are as follows:

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The general phases of any STLC are
as follows
Requirements Review
Test Planning
Test Designing
Setting up Test Environment
Test Execution
Reporting
Conclusion

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An effective software testing process delivers
quality software which satisfies the user's
requirements and expectations.
It is an important part of Software Quality
Control.
With the rise in software competition, the need
to ensure quality software is now a priority
requirement.

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KostCare offers a complete
and comprehensive suite of
Software Testing Solutions to
meet varied testing and
quality assurance needs of its
clientele.

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For More Information Visit Our
Website

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