Quick Answer: What Is SonarQube Code Coverage?

How do you get 100 code coverage?

With proper encapsulation, each class and function can have functional unit tests that simultaneously give close to 100% coverage.

It’s then just a matter of adding some additional tests that cover some edge cases to get you to 100%.

You shouldn’t write tests just to get coverage..

What is the difference between SonarQube and sonar scanner?

SonarQube is the central server holding the results of analysis. SonarQube Scanner / sonar-scanner – performs analysis and sends the results to SonarQube. It is a generic, CLI scanner, and you must provide explicit configurations that list the locations of your source files, test files, class files, …

How do I remove code coverage in SonarQube?

you can exclude all the source files in your project from coverage calculations via the UI: Administration > Analysis Scope > Coverage Exclusions.

Which tool is used for code coverage?

Code coverage tools are available for many programming languages and as part of many popular QA tools. They are integrated with build tools like Ant, Maven, and Gradle, with CI tools like Jenkins, project management tools like Jira, and a host of other tools that make up the software development toolset.

What is code coverage tool?

Your code coverage tool will monitor the execution of your test suite and tell you how much of the statements, branches, functions and lines were run as part of your tests.

How much code coverage is enough?

Code coverage of 70-80% is a reasonable goal for system test of most projects with most coverage metrics. Use a higher goal for projects specifically organized for high testability or that have high failure costs. Minimum code coverage for unit testing can be 10-20% higher than for system testing.

Why does SonarQube have zero coverage?

Project coverage is set to 0% since there is no directories with classes. Setting the destination file to the report path ensures that Sonar reads exactly the file JaCoCo generates. … The reuseReports setting prevents the deletion of the JaCoCo report file before it is read!

How do I get code coverage?

To calculate the code coverage percentage, simply use the following formula: Code Coverage Percentage = (Number of lines of code executed by a testing algorithm/Total number of lines of code in a system component) * 100.

How do I use JaCoCo code coverage?

We can configure the JaCoCo Maven plugin by following these steps:Add the JaCoCo Maven plugin to the plugins section of our POM file.Configure the code coverage report for unit tests.Configure the code coverage report for integration tests.

Is Jenkins a code coverage tool?

java class in Figure 2.31, “Jenkins lets you display code coverage metrics for packages and classes”). Code coverage metrics are a great way to isolate code that has not been tested, in order to add extra tests for corner cases that were not properly tested during the initial development, for example.

How do I get code coverage in SonarQube?

The coverage report has to be computed by an external tool first and then SonarQube will be provided with informations coming from this report during the analysis. To get coverage informations in SonarQube, we provide the generic test data format for the coverage and the tests reports.

How does SonarQube check code quality?

How to test PHP code quality using SonarQube?Step 1: Create MySQL database user for SonarQube to store reports data into database. … Step 2: Download & setup SonarQube. … Step 3: Configure SonarQube with MySQL. … Step 4: Run SonarQube as service. … Step 5: Login to SonarQube and install required plugins. … Step 6: Setup Sonar scanner and configure PHP project.More items…•

Is SonarQube code coverage tool?

SonarQube offers reports on duplicated code, coding standards, unit tests, code coverage, code complexity, comments, bugs, and security vulnerabilities. SonarQube can record metrics history and provides evolution graphs.

How do you implement SonarQube?

First stepsRun SonarQube server. … Run docker ps and check if a server is up and running.Wait for the server to start and log in to SonarQube server on http://localhost:9000 using default credentials: login: admin password: admin.Go to: http://localhost:9000/account/security/ and generate a token.More items…•

What is a code smell in SonarQube?

Code Smell. A maintainability-related issue in the code. Leaving it as-is means that at best maintainers will have a harder time than they should making changes to the code. At worst, they’ll be so confused by the state of the code that they’ll introduce additional errors as they make changes. Cost.