Selenium is an open-source robotized testing suite for Webapp. It underpins the greater part of the programs and stages. You can create test contents by means of record/playback, or compose the test contents in one of the dialects, for example, Java, C#, Perl, Python, PHP and Ruby.
Selenium computerizes acknowledgment testing for Webapp by mimicking a client's connection with the Webapp through remotely controlled Web program. There are at present two adaptations: Selenium 1 (or Selenium RC) and Selenium 2 (or Selenium WebDriver). Selenium 2 makes guide calls to program by means of program's local help; while Selenium 1 infuses JavaScript capacities, which has certain impediments.
The Selenium suite comprises of the accompanying instruments/segments:
1. Selenium IDE: a firefox module for recording/playback tests.
2. Selenium 1 (or Selenium RC)
3. Selenium 2 (or Selenium WebDriver)
4. Selenium Grid: For running parallel tests.
Selenium IDE:-
You can compose your Selenium test contents by hand utilizing one of the programming dialects, for example, Java, C#, PHP, Perl, Python or Ruby; however the most straightforward path is to utilize the "Selenium IDE Firefox module" to record and create test contents. Selenium IDE is a prototyping instrument for building test contents. It has an account include, which could record client activities as they are performed. You could run the recorded tests or fare them as a reusable test content in one of programming dialects (Java, C#, Python, Perl, PHP, and Ruby) that can be upgraded and executed.
Introducing Selenium IDE Firefox module:
Begin Firefox, goto click "Selenium IDE" to introduce the module. Restart firefox.
You may introduce extra modules, for example, "PHP Formatter" on the same download page.
Beginning with Selenium IDE:-
Login-Success Test:
To record a test for login-achievement work (utilizing Selenium IDE Firefox module Tool):
1. Start firefox.
2. Start the Selenium IDE module, by tapping the "Selenium IDE" catch added to Firefox. The Selenium Control Panel shows up. In "Base URL", enter http://localhost/, which fills in as the base URL for every one of the references in the content.
3. Start chronicle by tapping the "Record" catch on the upper right corner (if recording isn't begun).
4. In the Firefox program, enter web interface http://localhost/login.php; enter "test" as "username", "pwcorrect" as "secret word"; and tap the submit catch.
5. Stop the chronicle.
6. Study the test summons recorded. Tap the "Source" tab, which demonstrates the recorded charges in a HTML test content.
7. To run the recorded orders, tap the "run" catch.
8. Next, add state orders to check the operation. Right-tap on the summon board ⇒ Insert new charge ⇒ Enter "assertLocation" in "Order" and "http://localhost/main.php" in "Target".
9. Rerun the test orders.
10. Save the test content as a HTML document (e.g., LoginSuccessTest.html).
11. You can likewise trade the test in one of the programming dialects. Select "Record" menu ⇒ "Fare Test Case as" ⇒ pick your programming dialect/test structure/Selenium, for example, Java/JUnit4/WebDriver or PHP (PHPUnit). Concentrate the traded test content.
Login-Failure Test:
• Start chronicle a test.
• Enter "testwrong" as username; "pwwrong" as secret key; and submit.
• Insert New Command ⇒ In charge, enter "assertTextPresent"; in esteem, enter "Wrong username or secret word!”
• Run the test.
• Save the test as a HTML record
• Export to your decision of programming dialect.
Usually utilized Commands:
• open:
• click/clickAndWait:
• waitForPageToLoad:
• waitForElementToLoad:
Usually utilized Assert and Verification Commands:-
"Attest" fizzles the test and prematurely end the present experiment; while "confirm" falls flat the test, yet keep on running the experiment.
• verifyTitle/assertTitle: checks the normal page title an incentive in .
• verifyTextPresent:
• verifyElementPresent:
• verifyText:
• [TODO]
Selenium 2 (Selenium WebDriver):-
Introducing Selenium WebDriver for Java
Selenium WebDriver is accessible in numerous dialects, for example, Java, C#, Python, Perl, PHP and Ruby. I might portray the Java variant.
1. From, under "Selenium Client and WebDriver Language Bindings", Select "Java" download "".
2. Unzip your preferred download record into an envelope (e.g.,/usr/neighborhood/selenium-2.##.0).
Beginning with Selenium WebDriver:-
• Launch Eclipse, make another Java venture (say SeleniumTest).
• Include Selenium JAR record: Right-tap on the task ⇒ Properties ⇒ Java Build Path ⇒ Libraries ⇒ ADD External JARs ⇒ explore to "selenium-2.##.0" and select "selenium-java-2.##.0.jar".
• Repeat the above advance to incorporate all the JAR record in the "libs" catalog.
• For Firefox and HTMLUnit, you don't have to introduce any driver. For IE, Chrome, Safari and different programs, you have to introduce the fitting driver from Selenium Download website.

Author's Bio: 

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