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How can I handle alert using if else condition in selenium?

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4

else is perfectly executed but if block is not executed - can anyone help me?

WebDriverWait wait = new WebDriverWait(Maf_Base.getDriver(), 10 /*timeout in seconds*/);

if(wait.until(ExpectedConditions.alertIsPresent())==null) 
 System.out.println("alert was not present");
 agobj.logout.click();
 else 
 Alert alert = Maf_Base.getDriver().switchTo().alert();
 alert.accept();
 System.out.println("alert was present and accepted");

automated-testing selenium-webdriver selenium2

share|improve this question

edited Mar 20 at 8:31

trashpanda

1,5031929

asked Mar 20 at 6:31

anjith neerukondaanjith neerukonda

242

New contributor

anjith neerukonda is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Two thoughts - is an alert actually present? - Is waiting until alertISPresent to be null just timing out after 10 seconds?
  
  – Michael Durrant
  Mar 20 at 9:39
  

  
  
  
  

add a comment | 

4

else is perfectly executed but if block is not executed - can anyone help me?

WebDriverWait wait = new WebDriverWait(Maf_Base.getDriver(), 10 /*timeout in seconds*/);

if(wait.until(ExpectedConditions.alertIsPresent())==null) 
 System.out.println("alert was not present");
 agobj.logout.click();
 else 
 Alert alert = Maf_Base.getDriver().switchTo().alert();
 alert.accept();
 System.out.println("alert was present and accepted");

automated-testing selenium-webdriver selenium2

share|improve this question

edited Mar 20 at 8:31

trashpanda

1,5031929

asked Mar 20 at 6:31

anjith neerukondaanjith neerukonda

242

New contributor

anjith neerukonda is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Two thoughts - is an alert actually present? - Is waiting until alertISPresent to be null just timing out after 10 seconds?
  
  – Michael Durrant
  Mar 20 at 9:39
  

  
  
  
  

add a comment | 

else is perfectly executed but if block is not executed - can anyone help me?

WebDriverWait wait = new WebDriverWait(Maf_Base.getDriver(), 10 /*timeout in seconds*/);

if(wait.until(ExpectedConditions.alertIsPresent())==null) 
 System.out.println("alert was not present");
 agobj.logout.click();
 else 
 Alert alert = Maf_Base.getDriver().switchTo().alert();
 alert.accept();
 System.out.println("alert was present and accepted");

automated-testing selenium-webdriver selenium2

share|improve this question

edited Mar 20 at 8:31

trashpanda

1,5031929

asked Mar 20 at 6:31

anjith neerukondaanjith neerukonda

242

New contributor

anjith neerukonda is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

WebDriverWait wait = new WebDriverWait(Maf_Base.getDriver(), 10 /*timeout in seconds*/);

if(wait.until(ExpectedConditions.alertIsPresent())==null) 
 System.out.println("alert was not present");
 agobj.logout.click();
 else 
 Alert alert = Maf_Base.getDriver().switchTo().alert();
 alert.accept();
 System.out.println("alert was present and accepted");

share|improve this question

edited Mar 20 at 8:31

trashpanda

1,5031929

asked Mar 20 at 6:31

anjith neerukondaanjith neerukonda

242

New contributor

anjith neerukonda is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited Mar 20 at 8:31

trashpanda

1,5031929

asked Mar 20 at 6:31

anjith neerukondaanjith neerukonda

242

New contributor

anjith neerukonda is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

edited Mar 20 at 8:31

trashpanda

1,5031929

edited Mar 20 at 8:31

trashpanda

1,5031929

asked Mar 20 at 6:31

anjith neerukondaanjith neerukonda

242

New contributor

anjith neerukonda is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked Mar 20 at 6:31

anjith neerukondaanjith neerukonda

242

2 Answers
2

active

oldest

votes

4

Try a try catch, if something in the try gives a timeout exception (e.g. alert not found) it will execute the code in the catch block.

WebDriverWait wait = new WebDriverWait(Maf_Base.getDriver(), 10);

try {
 wait.until(ExpectedConditions.alertIsPresent())
 Alert alert = Maf_Base.getDriver().switchTo().alert();
 alert.accept();
 System.out.println("alert was present and accepted");
catch(Exception e) 
 System.out.println("alert was not present");
 System.out.print(e);
 agobj.logout.click();

share|improve this answer

edited Mar 20 at 10:46

answered Mar 20 at 9:47

Niels van ReijmersdalNiels van Reijmersdal

21k23172

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  "Thus it reads: if(functionObject == null) and a functionObject is not null it is a Object." it is not actually true (if I got you right). ExpectedConditions.alertIsPresent() is "function object" but not wait.until(functionObject). So it does not read if(functionObject == null) but rather if(alert==null) where alert is a product of functionObject.apply() that is called inside until method. However alert cannot be null since until just throw an exception if it would be null. However I agree with general idea of looking up the alert.
  
  – Alexey R.
  Mar 20 at 10:02
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @AlexeyR. I am not a Java expert, but the wait.until returns an alert, but while it is waiting it is not an alert. An IF comparison in most languages do not wait for the return of a function, it just compares the objects in its current state. Still the try/catch will probably solve the issue.
  
  – Niels van Reijmersdal
  Mar 20 at 10:45
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @AlexeyR. Removed my assumption of how Java works :)
  
  – Niels van Reijmersdal
  Mar 20 at 10:47
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @NielsvanReijmersdal thanks, bro!! it's working properly
  
  – anjith neerukonda
  Mar 20 at 12:50
  

  
  
  
  

add a comment | 

3

If you check wait.until() code:

You will know that it never returns null. It either returns found alert (see lines 88-92) or throws an exception. This is why your if does not work.

share|improve this answer

answered Mar 20 at 9:53

Alexey R.Alexey R.

8,05511032

add a comment | 

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4

Try a try catch, if something in the try gives a timeout exception (e.g. alert not found) it will execute the code in the catch block.

WebDriverWait wait = new WebDriverWait(Maf_Base.getDriver(), 10);

try {
 wait.until(ExpectedConditions.alertIsPresent())
 Alert alert = Maf_Base.getDriver().switchTo().alert();
 alert.accept();
 System.out.println("alert was present and accepted");
catch(Exception e) 
 System.out.println("alert was not present");
 System.out.print(e);
 agobj.logout.click();

share|improve this answer

edited Mar 20 at 10:46

answered Mar 20 at 9:47

Niels van ReijmersdalNiels van Reijmersdal

21k23172

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  "Thus it reads: if(functionObject == null) and a functionObject is not null it is a Object." it is not actually true (if I got you right). ExpectedConditions.alertIsPresent() is "function object" but not wait.until(functionObject). So it does not read if(functionObject == null) but rather if(alert==null) where alert is a product of functionObject.apply() that is called inside until method. However alert cannot be null since until just throw an exception if it would be null. However I agree with general idea of looking up the alert.
  
  – Alexey R.
  Mar 20 at 10:02
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @AlexeyR. I am not a Java expert, but the wait.until returns an alert, but while it is waiting it is not an alert. An IF comparison in most languages do not wait for the return of a function, it just compares the objects in its current state. Still the try/catch will probably solve the issue.
  
  – Niels van Reijmersdal
  Mar 20 at 10:45
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @AlexeyR. Removed my assumption of how Java works :)
  
  – Niels van Reijmersdal
  Mar 20 at 10:47
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @NielsvanReijmersdal thanks, bro!! it's working properly
  
  – anjith neerukonda
  Mar 20 at 12:50
  

  
  
  
  

add a comment | 

4

Try a try catch, if something in the try gives a timeout exception (e.g. alert not found) it will execute the code in the catch block.

WebDriverWait wait = new WebDriverWait(Maf_Base.getDriver(), 10);

try {
 wait.until(ExpectedConditions.alertIsPresent())
 Alert alert = Maf_Base.getDriver().switchTo().alert();
 alert.accept();
 System.out.println("alert was present and accepted");
catch(Exception e) 
 System.out.println("alert was not present");
 System.out.print(e);
 agobj.logout.click();

share|improve this answer

edited Mar 20 at 10:46

answered Mar 20 at 9:47

Niels van ReijmersdalNiels van Reijmersdal

21k23172

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  "Thus it reads: if(functionObject == null) and a functionObject is not null it is a Object." it is not actually true (if I got you right). ExpectedConditions.alertIsPresent() is "function object" but not wait.until(functionObject). So it does not read if(functionObject == null) but rather if(alert==null) where alert is a product of functionObject.apply() that is called inside until method. However alert cannot be null since until just throw an exception if it would be null. However I agree with general idea of looking up the alert.
  
  – Alexey R.
  Mar 20 at 10:02
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @AlexeyR. I am not a Java expert, but the wait.until returns an alert, but while it is waiting it is not an alert. An IF comparison in most languages do not wait for the return of a function, it just compares the objects in its current state. Still the try/catch will probably solve the issue.
  
  – Niels van Reijmersdal
  Mar 20 at 10:45
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @AlexeyR. Removed my assumption of how Java works :)
  
  – Niels van Reijmersdal
  Mar 20 at 10:47
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @NielsvanReijmersdal thanks, bro!! it's working properly
  
  – anjith neerukonda
  Mar 20 at 12:50
  

  
  
  
  

add a comment | 

Try a try catch, if something in the try gives a timeout exception (e.g. alert not found) it will execute the code in the catch block.

WebDriverWait wait = new WebDriverWait(Maf_Base.getDriver(), 10);

try {
 wait.until(ExpectedConditions.alertIsPresent())
 Alert alert = Maf_Base.getDriver().switchTo().alert();
 alert.accept();
 System.out.println("alert was present and accepted");
catch(Exception e) 
 System.out.println("alert was not present");
 System.out.print(e);
 agobj.logout.click();

share|improve this answer

edited Mar 20 at 10:46

answered Mar 20 at 9:47

Niels van ReijmersdalNiels van Reijmersdal

21k23172

WebDriverWait wait = new WebDriverWait(Maf_Base.getDriver(), 10);

try {
 wait.until(ExpectedConditions.alertIsPresent())
 Alert alert = Maf_Base.getDriver().switchTo().alert();
 alert.accept();
 System.out.println("alert was present and accepted");
catch(Exception e) 
 System.out.println("alert was not present");
 System.out.print(e);
 agobj.logout.click();

share|improve this answer

edited Mar 20 at 10:46

answered Mar 20 at 9:47

Niels van ReijmersdalNiels van Reijmersdal

21k23172

answered Mar 20 at 9:47

Niels van ReijmersdalNiels van Reijmersdal

21k23172

answered Mar 20 at 9:47

Niels van ReijmersdalNiels van Reijmersdal

21k23172

3

If you check wait.until() code:

You will know that it never returns null. It either returns found alert (see lines 88-92) or throws an exception. This is why your if does not work.

share|improve this answer

answered Mar 20 at 9:53

Alexey R.Alexey R.

8,05511032

add a comment | 

3

If you check wait.until() code:

You will know that it never returns null. It either returns found alert (see lines 88-92) or throws an exception. This is why your if does not work.

share|improve this answer

answered Mar 20 at 9:53

Alexey R.Alexey R.

8,05511032

add a comment | 

If you check wait.until() code:

You will know that it never returns null. It either returns found alert (see lines 88-92) or throws an exception. This is why your if does not work.

share|improve this answer

answered Mar 20 at 9:53

Alexey R.Alexey R.

8,05511032

share|improve this answer

answered Mar 20 at 9:53

Alexey R.Alexey R.

8,05511032

answered Mar 20 at 9:53

Alexey R.Alexey R.

8,05511032

answered Mar 20 at 9:53

Alexey R.Alexey R.

8,05511032