[Bugs] #3195 UNSP: cancel button on the software update screen does not work correctly

[Sugar Labs Bugs]

#3195: cancel button on the software update screen does not work correctly
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    Reporter:  dfarning                   |          Owner:  m_anish                    
        Type:  defect                     |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  Dextrose                   |        Version:  Unspecified                
    Severity:  Unspecified                |       Keywords:  DX3 QA                     
Distribution:  Dextrose                   |   Status_field:  Unconfirmed                
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Comment(by ajay_garg):

 The patch "0001-sl-3195-Same-behaviour-of-cancel-buttons-in-
 Software.patch", along with "0002-sl-3194-Notify-user-of-connection-not-
 available-in-S.patch" (ticket sl#3194), can be tested as follows ::

 a. Disconnect any network.

 b. Go to Software-Update.

 c. Since the network is not outright available, the message "Cannot check
 for updates. Please
    check your internet connection, and try running Software Update again"
 will appear.
    Now, the only way to restart the operation is that user goes out, and
 re-enters the Software-
    Update section.

 d. Come out of the Software-Update section.

 e. Connect to the network.

 f. Go to Software-Update.

 g. Now, the "Checking for updates" message should appear, and operation
 should proceed.

 h. If "Cancel" is clicked anytime, it will have the same effect, as the
 "X" button on the   toolbar (in this case, exit from the section-view).

 i. One particular use-case -- if the network is available at the start,
 but goes out midway,   then the user will be stuck at "Checking for
 updates" message. Following two things may then  happen ::

    (i) network returns after some time -- Then, the operation WILL proceed
 to completion       (confirmed by testing).

    (ii) network does not return -- The same message "Checking for updates"
 will continue to be  seen. User may exit (by clicking "cancel", or "X").

-- 
Ticket URL: <http://bugs.sugarlabs.org/ticket/3195#comment:2>
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