Regression vs Retesting - PowerPoint PPT Presentation

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Regression vs Retesting

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Generally, regression testing is performed in order to assure that current functionality operates appropriately, and all code modifications did not break the work of other systems. (by QATestLab) – PowerPoint PPT presentation

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Updated: 25 April 2017
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Title: Regression vs Retesting


1
Regression vs Retesting
Office in Ukraine Phone 380 (472)
5-61-6-51 E-mail contact_at_qa-testlab.com Address
154a, Borschagivska str., Kiev,
Ukraine http//qatestlab.com/
2
Generally, regression testing is performed in
order to assure that current functionality
operates appropriately, and all code
modifications did not break the work of other
systems.
Office in Ukraine Phone 380 (472)
5-61-6-51 E-mail contact_at_qa-testlab.com Address
154a, Borschagivska str., Kiev,
Ukraine http//qatestlab.com/
3
Executing software product testing, the
specialists also execute retesting to ensure that
the certain defect was fixed and all
functionality works correctly.
Office in Ukraine Phone 380 (472)
5-61-6-51 E-mail contact_at_qa-testlab.com Address
154a, Borschagivska str., Kiev,
Ukraine http//qatestlab.com/
4
What Are the Differences Between Regression
Checking and Retesting?
  • Error verification is not included into
    regression testing, comparing to retesting.
  • Regression testing cannot be conducted
    simultaneously with rechecking which has higher
    priority and is performed before regression
    testing.

Office in Ukraine Phone 380 (472)
5-61-6-51 E-mail contact_at_qa-testlab.com Address
154a, Borschagivska str., Kiev,
Ukraine http//qatestlab.com/
5
What Are the Differences Between Regression
Checking and Retesting?
  • Automation is applied only to regression tests,
    retests are not automated.
  • Absolutely all tests are rechecked under
    regression testing, while under retesting - only
    the failed ones.
  • Checking the unforeseen indirect factors is the
    goal of regression testing. Retesting is
    fulfilled to confirm that original features
    operate as it was expected.

Office in Ukraine Phone 380 (472)
5-61-6-51 E-mail contact_at_qa-testlab.com Address
154a, Borschagivska str., Kiev,
Ukraine http//qatestlab.com/
6
What Are the Differences Between Regression
Checking and Retesting?
  • Regression checking is executed in the case when
    new system features were added or the
    modifications or improvements of the code itself
    were performed. Retesting is conducted, using the
    same data and in the same environment as before
    but on the new build already.

Office in Ukraine Phone 380 (472)
5-61-6-51 E-mail contact_at_qa-testlab.com Address
154a, Borschagivska str., Kiev,
Ukraine http//qatestlab.com/
7
What Are the Differences Between Regression
Checking and Retesting?
  • The test cases for regression testing may be
    created on the basis of project specification or
    other documentation and also on the basis of the
    ready bug reports. Retesting test cases may be
    available only after completing the test process
    itself.

Office in Ukraine Phone 380 (472)
5-61-6-51 E-mail contact_at_qa-testlab.com Address
154a, Borschagivska str., Kiev,
Ukraine http//qatestlab.com/
8
Thank You for Your Attention
Office in Ukraine Phone 380 (472)
5-61-6-51 E-mail contact_at_qa-testlab.com Address
154a, Borschagivska str., Kiev,
Ukraine http//qatestlab.com/
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