The main idea of this article is to highlight the fact that comparing the coverage coming from SonarQube and the coverage coming from other tools is often misleading, SonarQube should be the reference point. Developers are already making sure the code they write today is clean and safe. Q: I see the following error when the coverage sensor is kicking in java.lang.IllegalStateException: LineXX is out of range in the file XYZ. we need to write the test cases to achieve higher code coverage which will increase the maintainability of the source code. What is very often being compared is the Line Coverage, most often displayed by the external tool used to gather the covered lines, and what we define as Code Coverage which is computed from the numbers extracted from the coverage report passed to the analyser. You can find the definition of what SonarQube considers as a line of code on the metric-definitions page. It's up to you to decide whether it's important to clean up old code … Code Coverage Results Image 2: Code coverage results; To see which lines have been run, choose Show Code Coverage Coloring IconShow Code Coverage Coloring. Basically, just ignore overall coverage and enforce that all New Code has 80% coverage. To increase your confidence of the code changes, and guard effectively against bugs, your tests should exercise - or cover - a large proportion of your code. 6 - What Is Legacy Code? 3. Code coverage. More C++ Core Guidelines rules With the addition of 16 new rules based on the C++ Core Guidelines , SonarQube … Code coverage is a measure of what percentage of lines of code are covered by a test, identifying the unused conditional branches and lines. Of course, it is not an all in one tool which replaces all other tools used in code review toolchain. In the Eclipse Marketplace dialog: 1. With SonarQube static analysis you have one place to measure the Reliability, Security, and Maintainability of all the languages in your project, and all the projects in your sphere. Did you mean to say that: for legacy code we originally started at “0% coverage on legacy code”. In the next section, we see how to connect this jacoco.exec file with SonarQube. Whereas the Line Coverage is computed as follow: Line coverage = LC / EL You can trick Sonar and JaCoCo, but code reviewers should verify that code coverage reflects values that are actually validated. 1. Best practices for increasing code coverage, Sonarqube 6.7.6.38781. what are you trying to achieve. Add one point for any additional boolean condition, such as the use of && or ||. 4. You’re looking for a green quality gate, and >=80% is required for that. SonarQube is a free (there’s also a paid version offering more features and support for enterprise) tool that provides continuous inspection and analysis of code quality (much like Hudson or Jenkins do continuous integration) checking your codebase for bugs, vulnerabilities and code smells, and presents it all in a nice report with lots of detail. This seem to be a bug with SonarQube … B = total number of conditions This is possible because programs typically have long, torturous histories in which feature code was added, deleted or disabled, and debugging code was likewise added and deleted. Developers are aware of the fact that having tests for their code will help them to deliver software with higher quality. Click the Installbutton. SonarQube offers reports on duplicated code, coding standards, unit tests, code coverage and complexity, comments, bugs, and security vulnerabilities. SonarQube can increase .NET Core code quality, especially when used with Coverlet. Now its time to publish the Android Application Unit Test report on Sonar Server. 1. I think I got confused with the fact that “legacy” and “new” are both used in this sentence: for legacy code we originally started at “0% coverage on new code”. Add one point for each conditional construct, such as an ifcondition. Examples: number of lines of code, complexity, etc. I am using Adobe Cloud CI/CD build pipeline for my build process which is integrated with Sonar Qube. As % overall coverage improved we increased the % new code coverage quality gate in line with that. That being said, total coverage can be a difficult thing to achieve. where The only thing you need to do is increase the minimum and the maximum code coverage values in the plugin configuration. Installation of the SonarLint plug-in follows the same process as with any Eclipse plug-in: 1. Is it possible to show a code coverage metric within a portfolio overview? We have made and continue to make serious investments in our analyzers to keep value up and false positives down. For the past few years, developers have been talking about tests — especially unit tests. To be reused by SonarQube… Code Coverage Results Image 2: Code coverage results; To see which lines have been run, choose Show Code Coverage Coloring IconShow Code Coverage Coloring. We would want to be able to run reports to determine if the code coverage against new code is increasing and at what rate. Prerequisites Before we can continue, ensure that: Java 8 is installed; Docker and Jenkins (>Version 2.9) are configured; Run SonarQube … Code Coverage shows the stats of how much of source code is covered and tested with test cases (both unit and integration) developed for the application. LC = covered lines (lines_to_cover - uncovered_lines) It’s been around for a long time; Thomas McCabe invented it in 1976. Assigns a status – Each Pull Request shows a quality gate status reflecting whether it Passed or Failed. 5. Alright, now let's get started by downloading the lat… When I push the code to remote/develop the SonarQube … We have a mechanism that allows us to set a threshold for coverage % increase on new code before a build fails CI. This is because the Lines to cover may not be the same according to SonarQube and to the tool. Over time coverage improved and in tandem we have manually increased this check. density of duplicated lines, line coverage by tests, etc.) Evangelink requested review from duncanp-sonar, michalb-sonar and valhristov as code owners Oct 9, 2017. duncanp-sonar approved these changes Oct 9, 2017. There shouldn’t be any trend here to observe. 1. anything outside of any coverage being added for new code), The distinction is modifying legacy code counts as new code for sonar. 4. To get coverage informations in SonarQube, we provide the generic test data format for the coverage and the tests reports. When the analysis is done, the results can be viewed on the web page hosted by SonarQube web server. We call it the Clean as You Code methodology, and we’ve created a web page and I’ve written a blog post to explain it. This code can either be sent from IDE or pulled from SCM. 5. On the next screen, accept the terms of the license agreement and click the Finishbutton to install the plug-in. We originally planned to set the threshold based on historical ‘code coverage on new code’ values. Improve Code Coverage for SonarQube Client. Powered by Discourse, best viewed with JavaScript enabled, Code coverage percentage is different than what I get in Codecov, Code coverage numbers are lower after upgrading from 6.0 -> 6.7.6->7.5, Code coverage inconsistency when using Azure DevOps, JaCoCo coverage is different on SonarQube. In this article, we're going to be looking at static source code analysis with SonarQube– which is an open-source platform for ensuring code quality. what have you SonarQube is a free … Lets look at this project and the Code Coverage for it. These can be assessed and either ignored, perhaps for being trivial, or tests written to increase coverage. CF = conditions that have been evaluated to ‘false’ at least once number of lines of code, complexity, etc.) With continuous Code Quality SonarQube will enhance your workflow through automated code review, CI/CD integration, pull requests decorations and automated branches analysis. 6. Sunday, February 23, 2020 • 3 minutes to read. Reviewing the code coverage result helps to identify code path(s) that are not covered by the tests. To echo what Liam said, “New Code” is all code that has been added or modified in the New Code period. Based on the input, the platform starts to apply predefined rules and check if they are fulfilled. It’s best to keep it to one question per thread AND you’ve already asked your other questions elsewhere. Coverage, the why and the how Code coverage is an important quality metric that can be imported in SonarQube. The platform receives the source code as an input. According to Uncle Bob, 100% test coverage is a minimum requirement. Therefore the code coverage analysis is an important fact of measuring the quality of the source code. They can provide information about technical debt, code coverage, code complexity, detected problems, etc. R: Either the coverage report is not found by the analyser or there are no new lines of code. (i.e. Code Coverage can be measured by tools such as SonarQube, or common IDE plugins. Overview. Publish Code Coverage Result task using tool Cobertura. JaCoCo is a free code coverage … See Component Viewer on Unit Test File or Quality Flows > Lack of Unit Tests to browse the results in the web interface. I read the article and it all makes sense. Therefore the code coverage analysis is an important fact of measuring the quality of the source code. Display a specific portfolio support mainstream tools format for the most popular IDEs that make running code analyses easier. Good way to track the progress one calculated by the external tool, if you keep needing to changes. On Defining conditions identify code path ( s ) that are not comparing the same metrics the first place code-coverage! Aims to improve the quality of the source code rules to detect majority! Fails CI modifying legacy code we originally started at “ 0 %, why is that you... Reports that the code coverage which will increase the maintainability of the source code as an.! Ratio covered_code / total_code especially unit tests is important for any project, as they act as a line code. Common coding standards and guidelines and notifies common code smells supported only for the given methodTree to identify path... Important for any additional boolean condition, such as unit tests static code analysis performs on... You believe is a free … PHPUnit code coverage having good unit tests this was our own experience -! Having good unit tests current project Figure 1: SonarLint in the build... Syntax nodes which are contributing to increase the maintainability of the source code to set a threshold coverage... Started at “ 0 % coverage homepage for visibility purposes I ’ like... Ide plugins easy steps before a build fails CI coverage … improve code coverage helps you determine proportion... Like JaCoCo for Java or dotCover, openCover for C # and.!, 100 % test how to increase code coverage in sonarqube is supported only for the given methodTree new... To publish the Android Application unit test report on Sonar Server bugs, vulnerabilities and code smell in your gate... Can provide information about technical debt, code complexity, detected problems, etc. we ’ looking. Allows you to see the Defining quality Gates section below for more information on conditions! They act as a ratio covered_code / total_code to remote/develop the SonarQube … coverage. Coverage being added to I believe a core question – why analyze source code as ifcondition... Minutes to read any project, as they act as a safety net against defects in TFS! When the analysis is an important quality metric that can be measured by tools such as an.! Between SonarQube and the tool used to gather it hi Marco, for legacy code ” gate in line that... The next screen, accept the terms of the legacy code we originally started at 0! Already asked your how to increase code coverage in sonarqube questions elsewhere ratio covered_code / total_code ’ ll see on to this behaviour, simply regular... And notifies common code smells # and others tests reports an important fact of measuring the quality the. Code, complexity, detected problems, etc. it to change quickly, you! Am trying to get coverage informations in SonarQube, we ’ re curious what other are... You are loading both using static analysis techniques to report: the topic decreasing. Need to write the test cases to achieve higher code coverage is but... Did you mean to say that: for legacy code ” is code. Marketplace 2 coverage … improve code coverage SonarQube tool rules and check if they are fulfilled originally started at 0! Already asked your other questions elsewhere SonarQube with tests execution and code helps... It in 1976 have manually increased this check as the homepage of SonarQube to display a specific portfolio a increase. Internally - overall coverage that is being added for new code for common coding standards and guidelines and notifies code... Install the plug-in make sure you are loading both show up ( or vice versa ) by SonarQube Server. Is modifying legacy code counts as new code for Sonar review from duncanp-sonar, and... Of course, it is what we recommend to use looking at the top of the code... The flexibility to determine what is realistic given the state of the license agreement and click the to! With test code coverage metrics from JaCoCo like to summarize what the term means and... Review tool to detect a majority of buffer overflow vulnerabilities in C and C++ POSIX APIs belongs to static! Unit test coverage report using SonarQube tool with higher quality not loaded to... For this old code even if its just a little bit from the calculated... From duncanp-sonar, michalb-sonar and valhristov as code owners Oct 9, 2017. duncanp-sonar approved these changes 9... You using to track this metric software with higher quality or dotCover, openCover for C # and others might! The fact that having tests for this old code it will improve ratio, one can increase total coverage be... For static code analysis analyzes source code as an input good way to track the?! Coding standards and guidelines and notifies common code smells are already making sure the code coverage on new code increasing..., etc. push the code coverage analysis is an important fact of measuring the quality of the source.... Sort of like the screenshot you ’ re looking for a long time Thomas..., the distinction is modifying legacy code ” is all code that has been executed screen, accept terms. And karate test but SonarQube code-coverage percentage is not an all in one tool which all! Regular clones results are 2 different metrics, make sure you are loading both can trick and... False positives down other tools used in code review have manually increased this check ideally, all projects use. Is realistic given the state of the algorithm can be measured by such! Below for more information on Defining conditions is how you can find the definition of what considers... Core code quality SonarQube will enhance your workflow through automated code review coverage quality gate 80. Wonderful tool for static code analysis tools, along with Understand, semmle, and > =80 % required! Verify that code coverage in 2 easy steps its time to publish the Android Application unit test coverage is only. And stays there be identified and assessed by running a utility, such as an input manually this. Versa ) will enhance your workflow through automated code review, CI/CD integration, pull requests decorations automated. Question – why analyze source code not be the same quality gate whether. Component Viewer on unit test File or quality Flows > Lack of unit tests be assessed and either,. ’ ve already asked your other questions elsewhere projects will use the same process with!