Task: Determine Test Results









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Task: Determine Test Results















This task describes how to accurately record the test findings and what kind of follow-up is needed.






Purpose



The purpose of this task is to: Make ongoing summary evaluations of the perceived quality of the product Identify and capture the detailed Test Results Propose appropriate corrective actions to resolve failures in quality



Relationships



RolesMain:



Test Analyst


Additional:
Assisting:



InputsMandatory:



Test-Ideas List


Test Log


Test Strategy


Optional:


None

External:


None




Outputs


Test Evaluation Summary


Test Results






Steps




Examine all test incidents and failures



Purpose:  To investigate each incident and obtain detailed understanding of the resulting problems.  In this task, the Test Logs are analyzed to determine the meaningful Test Results, regarding the differences between the expected results and the actual results of each test. Identify and analyze each incident and failure in turn. Learn as much as you can about each occurrence. Check for duplicate incidents, common symptoms and other relationships between incidents. These conditions often provide valuable insight into the root cause of a group of the incidents.



Create and maintain Change Requests



Purpose:  To enter change request information into a tracking tool for assessment, management, and resolution.  Differences indicate potential defects in the Target Test Items and should be entered into a tracking system as incidents or Change Requests, with an indication of the appropriate corrective actions that could be taken. Sub-topics: Verify incident facts Clarify Change Request details Indicate relative impact severity and resolution priority Log additional Change Requests separately Verify incident facts Verify that there is accurate, supporting data available. Collate the data for attachment directly to the Change Request, or reference where the data can be obtained separately. Whenever possible, verify that the problem is reproducible. Reproducible problems have much more likelihood of receiving developer attention and being subsequently fixed; a problem that cannot be reproduced both frustrates development staff and will waste valuable programming resources in fruitless research. We recommend that you still log these incidents, but that you consider identifying unreproducable incidents separately from the reproducible ones. Clarify Change Request details It's important for Change Requests to be understandable, especially the headline. Make sure the headline is crisp and concise, articulating clearly the specific issue. A brief headline is useful for summary defect listings and discussion in CCB status meetings. It's important that the detailed description of the Change Request is unambiguous and can be easily interpreted. It's a good idea to log your Change Requests as soon as possible, but take time to go back and improve and expand on your descriptions before they are viewed by development staff. Provide candidate solutions, as many as practical. This helps to reduce any remaining ambiguity in the description, often helping to clarify. It also ensures increases the likelihood that the solution will be close to your exceptions. Furthermore, it shows that the test team is not only prepared to find the problems, but also to help identify appropriate solutions. Other details to include are screen image captures, Test Data files, automated Test Scripts, output from diagnostic utilities and any other information that would be useful to the developers in isolating and correcting the underlying fault. Indicate relative impact severity and resolution priority Provide an indication to the management and development staff of the severity of the problem. In larger teams the actual resolution priority is normally left for the management team to determine, however you might allow individuals to indicate their preferred resolution priority and subsequently adjust as necessary. As a general rule, we recommend you assign Change Requests an average resolution priority by default, and raise or lower that priority on a case-by-case basis as necessary. You may need to differentiate between the impact the Change Request will have on the production environment if it isn't addressed and the impact the Change Request will have on the test effort if it isn't addressed; It's just as important for the management team to know when a defect is impacting the testing effort as it is to be aware of severity to users. Sometimes it's difficult to see in advance why you need both attributes. It's possible that an incident may be really severe, such as a system crash, but the actions required to reproduce it very unlikely to occur. In this case the team may indicate it's severity as high, but indicate a very low resolution priority. Log additional Change Requests separately Incidents often bare out the old adage"Where there's smoke, there's fire"; as you identify and log one Change Request, you quite often identify other issues that need to be addressed. Avoid the temptation to simply add these additional findings to the existing Change Request: if the information is directly related and helps to solve the existing issue better, then that's OK. If the other issues are different, identifying them against an existing CR may result in those issues not being actioned, not getting appropriate priority in their own right, or impacting the speed at which other issues are addressed.



Analyze and evaluate status



Purpose:  To calculate and deliver the key measures and indicators of test.  Sub-topics: Incident distribution Test execution coverage Change Requests statistics Incident distribution Analyze the incidents based on where they are distributed, such as functional area, quality risk, assigned tester and assigned developer. Look for patterns in the distribution, such as functional areas that appear to have above average defects count. Also look for both developers and testers that may be overworked and where their quality of work is slipping Test execution coverage To evaluate test execution coverage, you need to review the Test Logs and determine: The ratio between how many tests (Test Scripts or Test Cases) have been performed in this Test Cycle and a total number of tests for all intended Target Test Items. The ratio of successfully performed test cases. The objective is to ensure that a sufficient number of the tests targeted for this Test Cycle have been executed usefully. If this is not possible, or to augment that execution data, one or more additional test coverage criteria can be identified, based upon: Quality Risk or priority Specification-based coverage (Requirements etc.) Business need or priority Code-based coverage See Concept: Key Measures of Test, Requirements-based test coverage. Record an present the Test Results in an Test Evaluation Report for this Test Cycle. Change Requests statistics To analyze defects, you need to review and analyze the measures chosen as part of your defect analysis strategy. The most common defect measures used include the following different measures (often displayed in the form of a graph): Defect Density - the number of defects are shown as a function of one or two defect attributes (such as distribution over functional area or quality risk compared to status or severity). Defect Trend - the defect count is shown as a function over time. Defect Aging - a special defect density report in which the defect counts are shown as a function of the length of time a defect remained in a given status (open, new, waiting-for-verification, etc.) Compare the measures from this Test Cycle to the running totals for the current Iteration and those from the analysis of previous iterations, to better understand the emerging trends over time. It is recommended you present the results in diagram form with supporting findings on request.



Make an assessment of the current quality experience



Purpose:  To give feedback on the current perceived or experienced quality in the software product.  Formulate a summary of the current quality experience, highlighting both good and bad aspects of the software products quality.



Make an assessment of outstanding quality risks



Purpose:  To provide feedback on what remaining areas of risk provide the most potential exposure to the project.  Identify and explain those areas that have not yet been addressed in terms of quality risks and indicate what impact and exposure this leaves the team. Provide an indication of what priority you consider each outstanding quality risk to have, and use the priority to indicate the order in which these issues should be addressed.



Make an assessment of test coverage



Purpose:  To make a summary assessment of the test coverage analysis.  Based on the work in step test execution coverage, provide a brief summary statement of the status and information the data represents.



Draft the Test Evaluation Summary



Purpose:  To communicate the results of testing to stakeholders and make an objective assessment of quality and test status.  Present the Test Results for this Test Cycle in a Test Evaluation Summary. This step is to develop the initial draft of the summary. This is accomplished by assembling the previous information that has been gathered into a readable summary report. Depending on the stakeholder audience and project context, the actual format and content of the summary will differ. Often it is a good idea to distribute the initial draft to a subset of stakeholders to obtain feedback that you can incorporate before publishing to a broader audience.



Advise stakeholders of key findings



Purpose:  To promote and publicize the Evaluation Summary as appropriate.  Using whatever means is appropriate, publicize this information. We recommend you consider posting these on a centralized project site, or present them in regularly held status meetings to enable feedback to be gathered and next actions to be determined. Be aware that making evaluation summaries publicly available can sometimes be a sensitive political issue. Negotiate with the development manager to present results in such a manner that they reflect an honest and accurate summary of your findings, yet respect the work of the developers.



Evaluate and verify your results



Purpose:  To verify that the task has been completed appropriately and that the resulting work products are acceptable.  Now that you have completed the work, it is beneficial to verify that the work was of sufficient value, and that you did not simply consume vast quantities of paper. You should evaluate whether your work is of appropriate quality, and that it is complete enough to be useful to those team members who will make subsequent use of it as input to their work. Where possible, use the checklists provided in RUP to verify that quality and completeness are "good enough". Have the people performing the downstream tasks that rely on your work as input take part in reviewing your interim work. Do this while you still have time available to take action to address their concerns. You should also evaluate your work against the key input work products to make sure you have represented them accurately and sufficiently. It may be useful to have the author of the input work product review your work on this basis. Try to remember that that RUP is an iterative delivery process and that in many cases work products evolve over time. As such, it is not usually necessary-and is often counterproductive-to fully-form a work product that will only be partially used or will not be used at all in immediately subsequent work. This is because there is a high probability that the situation surrounding the work product will change-and the assumptions made when the work product was created proven incorrect-before the work product is used, resulting in wasted effort and costly rework. Also avoid the trap of spending too many cycles on presentation to the detriment of content value. In project environments where presentation has importance and economic value as a project deliverable, you might want to consider using an administrative resource to perform presentation tasks.







Properties



Multiple Occurrences


Event Driven


Ongoing


Optional


Planned


Repeatable



More Information



Tool Mentors


Analyzing Test Failures using Rational TestManager and TestFactory


Evaluating Test Coverage Using Rational TestFactory


Evaluating the Results of Executing a Test Suite Using Rational TestFactory


Reporting Defect Trends and Status Using Rational ClearQuest


Submitting Change Requests Using Rational ClearQuest


Using Rational TestFactory to Measure and Evaluate Code-based Test Coverage on Rational Robot Test Scripts








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