Title: Finite-State Machines for Web Testing
1Finite-State Machines for Web Testing
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2Finite-State Machines for Web Testing
- Each web-based application or function comprises
of different elements and phases visible to the
web users. - Consequently, state transition based finite-state
machines models are proper for this type of
applications.
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3Finite-State Machines for Web Testing
There are some basic components of finite-state
machines
Every web page corresponds to a slate in
finite-state machines. Any page can be the
initial state and any page can be the final state.
The input and output associated with navigations
are rather simple and straight forward the input
is the clicking of the embedded link demonstrated
as highlighted content and the corresponding
output is the loading of the requested page or
content with accompanying messages indicating the
HTML status, error or other messages.
State transitions correspond to web navigations
following hypertext links embedded in HTML
documents and other web contents. One special
case is that a user may choose to follow a
previous saved link or to directly type a URL.
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4Finite-State Machines for Web Testing
- Link checking can be considered as part of
finite-state machines based testing for
transition coverage, but not based on formal
models. The general finite-state machines can
guide the general testing of the web navigations.
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5Finite-State Machines for Web Testing
- Actually, web robots used by various Internet
search engines or index services generally
crawl the web by systematically following the
embedded hypertext links to create indexes or
databases of the general web contents.
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6Finite-State Machines for Web Testing
- There is one evident obstacle to web
testing using such finite-state machines the
quantity of web pages for even a moderate-sized
web site can be thousands or much more.
Therefore, there would be great numbers of states
in finite-state machines, which makes any
detailed testing beyond simple indexing
unrealizable, even with some automated support.
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7Finite-State Machines for Web Testing
- Even such simple indexing by the most powerful
robot for major web search engines only covers a
small percentage of the total web. But usage and
problem dispensation among various software
elements is highly rugged, which is also shown to
be true among various web contents. - Therefore, some type of selective testing is
needed to focus on highly-used and problematic
areas to assure maximal web site reliability
improvement.
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8Thank You !
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