Selenium Training in Tambaram (1)

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SELENIUM
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• Introduction-
• Selenium is a prevalent open-source electronic
  mechanization instrument. This class will make
  you an expert in Selenium Automation.
• Selenium suite is contained 4 essential parts
• Selenium IDE
• Selenium RC
• Web Driver
• Selenium Grid.
• The client is relied upon to pick admirably the
  correct Selenium apparatus for his/her needs.
  Selenium IDE is appropriated as a Firefox module
  and it is less demanding to introduce and
  utilize.

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•  Selenium IDE
• Selenium coordinated advancement condition,
  acronym as Selenium IDE is a robotized testing
  device that is discharged as a Firefox module.
• It is one of the most straightforward and least
  demanding apparatuses to introduce, learn and to
  proceed with the formation of test contents.
• The device is laid on a record and playback key
  and furthermore permits altering of the recorded
  contents.
• The most noteworthy part of utilizing selenium
  IDE is that the client isn't required to have any
  earlier programming information.
• The base that the client needs is the little
  colleagues with HTML, DOMS and JavaScript to make
  various test contents utilizing this device.

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• Being a Firefox module, Selenium IDE bolsters
  just Firefox, therefore the made test contents
  could be executed just on Firefox.
• A couple of more escape clauses make this device
  improper to be utilized for complex test
  contents. Along these lines, different
  apparatuses like Selenium RC, Web Driver comes
  into the photo.
• Selenium IDE test cases can be traded into
  following configurations/programming
  languages.java (IDE sent out in Java),rb (IDE
  traded in Ruby),py (IDE traded in Python),cs (IDE
  traded in C)

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The whole Selenium IDE content creation process
can be grouped into 3 lumps Process 1
Recording Selenium IDE helps the client to
record client connections with the program and
along these lines the recorded activities in
general are named as Selenium IDE content.
Process 2 Playing back In this area, we
execute the recorded content in order to confirm
and screen its dependability and achievement
rate. Process 3 Saving Once we have recorded a
steady content, we might need to spare it for
future runs and relapses.
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• Web Driver-
•  
• Web Driver is a standout amongst the most
  effective and famous apparatuses of Selenium
  toolbox. WebDriver comes as a broadened variant
  of Selenium RC with unnecessary favorable
  circumstances and addresses a significant number
  of its restrictions.
• Web Driver stretches out its help to numerous
  most recent programs and stages, not at all like
  Selenium IDE.
• Web Driver additionally doesn't require Selenium
  server to be begun preceding execution of the
  test contents, not at all like Selenium RC.

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• Selenium RC in conglomeration with WebDriver API
  is known as Selenium 2.0.
• Selenium was so created with a specific end goal
  to help dynamic site pages and Ajax calls.
• It additionally underpins different drivers to
  practice online versatile testing.
• Web Driver Architecture-
•  
• WebDriver is an electronic testing instrument
  with an inconspicuous contrast with Selenium RC.
• Since the device was based on the major where a
  disconnected customer was made for every one of
  the web programs, no JavaScript Heavy lifting was
  required as we talked about in our first
  instructional exercise.
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• WebDriver makes guide calls to the Web program
  and the whole test content is executed in this
  design. WebDriver utilizes the programs support
  and capacities to mechanization.
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• Extraordinary Cases when Selenium Server is
  required with WebDriver-
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• At the point when the client wishes to execute
  test contents on the remote machine.
• At the point when the client wishes to execute
  test contents on HtmlUnit Driver.
• At the point when the client wishes to execute
  test contents on numerous stages.

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• WebDriver is an absolutely question arranged
  structure that deals with OS layer.
• It uses the program's local similarity to
  robotization without utilizing any fringe
  substance.
• With the expanding request, it has picked up a
  huge prevalence, client base and has progressed
  toward becoming by a long shot a standout amongst
  the most broadly utilized open source
  computerization testing apparatuses.
• WebDriver bolsters a differing scope of web
  programs and their renditions.
• It underpins all the regular programs
  notwithstanding some remarkable and uncommon
  programs like HtmlUnit program dissimilar to
  Selenium RC and Selenium IDE.

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• HtmlUnit Browser executes the test contents
  practically equivalent to different programs with
  the exception of the way that it keeps running in
  the headless mode i.e. GUI-less mode and the
  client won't have the capacity to see the test
  content execution.
• Said that the test content execution unfolds in
  headless mode, in this way the execution speed
  takes a roll and revives the execution.
•  
• WebDriver additionally underpins online portable
  testing. In this way it gives AndroidDriver and
  IphoneDriver to back online versatile testing.

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• JUnit-
•  
• JUnit is an open source unit testing device and
  used to test little/extensive units of code.
• To run the JUnit test you don't need to make a
  class protest or characterize the primary
  technique.
• JUnit gives attestation library which is
  utilized to assess the test outcome. Comments of
  JUnit are utilized to run the test technique.
• JUnit is likewise used to run the Automation
  suite having various experiments.

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• TestNG-
•  
• TestNG is a propel system planned in an approach
  to use the advantages by both the designers and
  analyzers. For individuals as of now utilizing
  JUnit, TestNG would appear to be the same with
  some propel highlights.
• With the initiation of the structures, JUnit
  picked up a tremendous notoriety over the Java
  applications, Java designers and Java analyzers,
  with astoundingly expanding the code quality.
• Despite being an easy to use and straightforward
  framework, JUnit has its own limitations which
  give rise to the need of bringing TestNG into the
  picture.
• TestNG was created by an acclaimed programmer
  named as Cedric Beust. TestNG is an open source
  framework which is distributed under the Apache
  Software License and is readily available for
  download.

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• Talking about our requirement to introduce TestNG
  with WebDriver is that it provides an efficient
  and effective test result format that can, in
  turn, be shared with the stakeholders to have a
  glimpse of the products/applications health
  thereby eliminating the drawback of WebDrivers
  incapability to generate test reports.
• TestNG has an inbuilt exception handling
  mechanism which lets the program to run without
  terminating unexpectedly.
•  
• Both TestNG and JUnit belong to the same family
  of Unit Frameworks where TestNG is an extended
  version to JUnit and is more extensively used in
  the current testing era.

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• Highlights of TestNG-
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• Support for explanations .
• Support for parameterization .
• Propel execution technique that does not require
  test suites to be made .
• Support for Data Driven Testing utilizing Data
  suppliers .
• Empowers client to set execution needs for the
  test techniques .
• Backings danger safe condition when executing
  different strings
• Promptly bolsters joining with different
  instruments and modules like form apparatuses
  (Ant, Maven and so forth.), Integrated
  Development Environment (Eclipse).
• Encourages client with powerful methods for
  Report Generation utilizing ReportNG.

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Selenium customer API-   As an other option to
composing tests in Selenese, tests can likewise
be composed in different programming dialects.
These tests at that point speak with Selenium by
calling techniques in the Selenium Client API.
Selenium as of now gives customer APIs to Java,
C, Ruby, JavaScript and Python. As a
contrasting option to composing tests in
Selenese, tests can likewise be composed in
different programming dialects. These tests at
that point speak with Selenium by calling
strategies in the Selenium Client API.
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• Selenium right now gives customer APIs to Java,
  C, Ruby, JavaScript and PythonWhile Selenium IDE
  may appear a gainful and productive instrument
  for composing experiments, it needs numerous
  fundamental highlights of a testing apparatus
• 1. Restrictive articulations
• 2.Circles,Logging
• 3.Exemption taking care of
• 4.Revealing
• 5.Test installations and information driven tests
• 6.Test conditions
• 7.Taking screen captures
• Selenium RC is the response to an all the more
  intense test-suite for your applications.
• It takes after a customer/server display enabling
  customer libraries to execute tests on a program
  controlled by the server.

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• Selenium Grid-
•  
• Selenium Grid is utilized to run various tests
  all the while on various programs and stages.
• The center point is the essential issue wherein
  you stack your tests.
• Hubs are the Selenium occurrences that will
  execute the tests that you stacked on the center
  point.

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Diagram-1-
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Automation Framework architecture
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