Visual Studio Team Services VSTS and TFS 2017/2018 Advanced Extension
The extension can be downloaded and installed from its Visual Studio Marketplace page.
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The NDepend VSTS extension consists of a build task that analyses code and code coverage data yielded by the build process. The NDepend VSTS/TFS hub presents the results which embed the NDepend dashboard and makes data actionable by drilling down into any item through a single click.
The hub's Dashboard shows a recap of the most relevant data including technical debt estimations, code size, Quality Gates status, rules and issues numbers. A TFS build can be used as a baseline. All dashboard data is then diff-ed since the baseline. Each Dashboard item is clickable to view more.
A Quality Gate is a check on a code quality fact that must be enforced before releasing and eventually, before committing to source control. A Quality Gate can be seen as a PASS/FAIL criterion for software quality.
A dozen of default Quality Gates are proposed by NDepend related to measures like technical debt amount, code coverage or amount of issues with particular severity. For example a Quality gate can be written to enforce a certain amount of code coverage by tests ratio on *code added and refactored since the baseline*. A detailed summary of Quality Gates status is available.
More than 150 default code rules are proposed to check against best practices. Support for Code Query over LINQ (CQLinq) to easily write custom rules and query code. CQLinq is used both to write the rule code, and also to write smart C# formulas that estimate the **Technical-Debt for each issue** (i.e the cost-to-fix an issue).
Rules details can be explored. Clicking a rule violation redirects the user to the VSTS Code Search extension, displaying the source code of the culprit code element.
Technical Debt and Issues
Technical debt can be drilled down till the issue level. Clicking an issue results in editing it in the Rules panel. The datagrid is interactive: issues can be grouped, ordered and filtered by rule names, by code elements, by severity or by their status since the baseline (new / exist / fixed).
Issues can be also sorted by estimated Technical-Debt metrics, including issues fix prioritization. Typically severe issues that cost little to be fixed should be fixed first and are prioritized.
The VSTS extension logs Trend Metrics for each build, and Trend charts are shown. More than 70 predefined Trend Metrics are proposed and CQLinq lets write custom ones.
A panel shows a code metrics recap for each assembly, namespace, class or method. Code metrics include Lines of Code ; Cylomatic Complexity ; Technical Debt (estimated cost to fix code elements issues) ; Code Coverage ratio ; Comment ratio ; # user / # used... The datagrid is interactive: elements can be grouped, ordered and filtered by name and they can also be sorted by metric value.
Build Summary Recap
An NDepend Analysis recap is shown in each Build Summary:
How to configure the NDepend Hub?
How to customize rules (add/remove change)?
Please refer to http://www.ndepend.com/docs/cqlinq-syntax#Rule
How to customize Quality gates?
Please refer to http://www.ndepend.com/docs/quality-gates
How to customize trends?
Please refer to http://www.ndepend.com/docs/trend-monitoring
How to customize the technical debt rating?
Please refer to http://www.ndepend.com/docs/technical-debt