Best Code Coverage Tools in Japan - Page 2

Cloverage defaults to using clojure.test for testing, but you can switch to midje by including the --runner :midje option. Previously, in older releases of Cloverage, it was essential to enclose midje tests within clojure.test's deftest, but that requirement has been removed in the latest versions. If you wish to utilize eftest, simply provide the --runner :eftest flag. Additionally, you have the option to customize the runner by specifying :runner-opts with a map in your project settings. It's worth noting that other testing libraries might offer their own integrations with Cloverage beyond what is provided here, so be sure to consult their documentation for more information. Overall, this flexibility allows you to tailor your testing environment to better suit your development needs.

To create test coverage reports for Xcode projects and integrate them into your continuous integration (CI) system, make sure to activate the coverage feature by checking the "Gather coverage data" option while modifying the scheme settings. This setup will help you track code quality and ensure that your tests effectively cover the necessary parts of your application, streamlining your development process.

Operating systems such as Linux, Windows, RTOS, and others are utilized, along with compilers like gcc, Visual Studio, and various embedded options. By consolidating multiple execution reports, users can achieve enhanced analysis and a range of superior functionalities. Additionally, Coco's integrated Function Profiler allows for the evaluation and optimization of code performance, ensuring that developers can fine-tune their applications effectively. This comprehensive toolset ultimately empowers programmers to elevate their coding efficiency.

NCover Desktop is a Windows-based tool designed to gather code coverage data for .NET applications and services. Once the coverage data is collected, users can view comprehensive charts and metrics through a browser interface that enables detailed analysis down to specific lines of source code. Additionally, users have the option to integrate a Visual Studio extension known as Bolt, which provides integrated code coverage features, showcasing unit test outcomes, execution times, branch coverage visualization, and highlighted source code directly within the Visual Studio IDE. This advancement in NCover Desktop significantly enhances the accessibility and functionality of code coverage solutions. By measuring code coverage during .NET testing, NCover offers insights into which parts of the code were executed, delivering precise metrics on unit test coverage. Monitoring these statistics over time allows developers to obtain a reliable gauge of code quality throughout the entire development process, ultimately leading to a more robust and well-tested application. By utilizing such tools, teams can ensure a higher standard of software reliability and performance.

JaCoCo, a free Java code coverage library developed by the EclEmma team, has been refined through years of experience with existing libraries. The master branch of JaCoCo is built and published automatically, ensuring that each build adheres to the principles of test-driven development and is therefore fully functional. For the most recent features and bug fixes, users can consult the change history. Additionally, the SonarQube metrics assessing the current JaCoCo implementation can be found on SonarCloud.io. It is possible to integrate JaCoCo seamlessly with various tools and utilize its features right away. Users are encouraged to enhance the implementation and contribute new functionalities. While there are multiple open-source coverage options available for Java, the development of the Eclipse plug-in EclEmma revealed that most existing tools are not well-suited for integration. A significant limitation is that many of these tools are tailored to specific environments, such as Ant tasks or command line interfaces, and lack a comprehensive API for embedding in diverse contexts. Furthermore, this lack of flexibility often hinders developers from leveraging coverage tools effectively across different platforms.

Allocate your efforts wisely between developing applications and writing corresponding test code. For Java and Groovy, utilizing an advanced code coverage tool is essential, and OpenClover stands out by evaluating code coverage while also gathering over 20 different metrics. This tool highlights the areas of your application that lack testing and integrates coverage data with metrics to identify the most vulnerable sections of your code. Additionally, its Test Optimization feature monitors the relationship between test cases and application classes, allowing OpenClover to execute only the tests pertinent to any modifications made, which greatly enhances the efficiency of test execution time. You may wonder if testing simple getters and setters or machine-generated code is truly beneficial. OpenClover excels in its adaptability, enabling users to tailor coverage measurement by excluding specific packages, files, classes, methods, and even individual statements. This flexibility allows you to concentrate your testing efforts on the most critical components of your codebase. Moreover, OpenClover not only logs the results of tests but also provides detailed coverage analysis for each individual test, ensuring that you have a thorough understanding of your testing effectiveness. Emphasizing such precision can lead to significant improvements in code quality and reliability.

The JCov open-source initiative is designed to collect quality metrics related to the development of test suites. By making JCov accessible, the project aims to enhance the verification of regression test executions within OpenJDK development. The primary goal of JCov is to ensure transparency regarding test coverage metrics. Promoting a standard coverage tool like JCov benefits OpenJDK developers by providing a code coverage solution that evolves in harmony with advancements in the Java language and VM. JCov is entirely implemented in Java and serves as a tool to assess and analyze dynamic code coverage for Java applications. It offers features that measure method, linear block, and branch coverage, while also identifying execution paths that remain uncovered. Additionally, JCov can annotate the program's source code with coverage data. From a testing standpoint, JCov is particularly valuable for identifying execution paths and understanding how different pieces of code are exercised during testing. This detailed insight helps developers enhance their testing strategies and improve overall code quality.

Simplifying JavaScript test coverage is achievable with Istanbul, which enhances your ES5 and ES2015+ code by adding line counters, allowing you to measure how thoroughly your unit tests cover your codebase. The nyc command-line interface complements various JavaScript testing frameworks like tap, mocha, and AVA with ease. By utilizing babel-plugin-Istanbul, first-class support for ES6/ES2015+ is ensured, making it compatible with the most widely used JavaScript testing tools. Additionally, nyc facilitates the instrumentation of subprocesses through its command-line capabilities. Integrating coverage into your mocha tests is a breeze; just prefix your test command with nyc. Furthermore, the instrument command from nyc can be employed to prepare source files outside the scope of your unit tests. When executing a test script, nyc conveniently displays all Node processes that are created during the run. Although nyc defaults to Istanbul's text reporter, you have the flexibility to choose an alternative reporting option that suits your needs. Overall, nyc streamlines the process of achieving comprehensive test coverage for JavaScript applications, allowing developers to ensure higher code quality with minimal effort.

Blanket.js is a user-friendly JavaScript code coverage library designed to simplify the installation, usage, and understanding of code coverage metrics. This tool allows for seamless operation or tailored customization to suit specific requirements. By providing code coverage statistics, Blanket.js enhances your current JavaScript tests by indicating which lines of your source code are being tested. It achieves this by parsing the code with Esprima and node-falafel, then adding tracking lines for analysis. The library integrates with test runners to produce coverage reports after test execution. Additionally, a Grunt plugin enables Blanket to function as a traditional code coverage tool, producing instrumented versions of files rather than applying live instrumentation. Blanket.js can also execute QUnit-based reports in a headless manner using PhantomJS, with results shown in the console. Notably, if any predefined coverage thresholds are not satisfied, the Grunt task will fail, ensuring that developers adhere to their quality standards. Overall, Blanket.js serves as an effective solution for developers seeking to maintain high test coverage in their JavaScript applications.

The jscoverage tool offers support for both Node.js and JavaScript, allowing for an expanded coverage range. To utilize it, you can load the jscoverage module using Mocha, which enables it to function effectively. When you select different reporters like list, spec, or tap in Mocha, jscoverage will append the coverage information accordingly. You can designate the reporter type using covout, which allows options such as HTML and detailed reporting. The detailed reporter specifically outputs any uncovered code directly to the console for immediate visibility. As Mocha executes test cases with the jscoverage module integrated, it ensures that any files listed in the covignore file are excluded from coverage tracking. Additionally, jscoverage generates an HTML report, providing a comprehensive view of the coverage results. By default, it looks for the covignore file in the root of your project, and it will also copy any excluded files from the source directory to the specified destination directory, ensuring a clean and organized setup for testing. This functionality enhances the testing process by clearly indicating which parts of your code are adequately covered and which areas require further attention.

SimpleCov is a Ruby tool designed for code coverage analysis, leveraging Ruby's native Coverage library to collect data, while offering a user-friendly API that simplifies the processing of results by allowing you to filter, group, merge, format, and display them effectively. Although it excels in tracking the covered Ruby code, it does not support coverage for popular templating systems like erb, slim, and haml. For most projects, obtaining a comprehensive overview of coverage results across various types of tests, including Cucumber features, is essential. SimpleCov simplifies this task by automatically caching and merging results for report generation, ensuring that your final report reflects coverage from all your test suites, thus providing a clearer picture of any areas that need improvement. It is important to ensure that SimpleCov is executed in the same process as the code for which you wish to analyze coverage, as this is crucial for accurate results. Additionally, utilizing SimpleCov can significantly enhance your development workflow by identifying untested code segments, ultimately leading to more robust applications.

Enhance your Ruby testing and GitHub experience with actionable coverage insights that allow your team to deliver robust code efficiently while minimizing the time spent on pull request assessments. Rather than striving for a perfect 100% test coverage, focus on decreasing defects in your pull requests by identifying untested code changes before they go live. After a straightforward setup where the CI server runs tests and sends coverage results to UndercoverCI, you can ensure that every pull request is meticulously examined; we analyze the changes in your code and assess local test coverage for each modified class, method, and block, as merely knowing the overall percentage is insufficient. This tool uncovers untested methods and blocks, highlights unused code paths, and aids in refining your test suite. You can easily integrate UndercoverCI's hosted GitHub App or dive into the array of Ruby gems available. With a fully-featured integration for code review through GitHub, setup is quick and tailored for your organization’s needs. Moreover, the UndercoverCI initiative and its associated Ruby gems are completely open-source and can be utilized freely in your local environment and throughout your CI/CD processes, making it a versatile choice for any development team. By adopting UndercoverCI, you not only improve your code quality but also foster a culture of continuous improvement within your team.

Deep Cover strives to be the premier tool for Ruby code coverage, delivering enhanced accuracy for both line and branch coverage metrics. It serves as a seamless alternative to the standard Coverage library, providing a clearer picture of code execution. A line is deemed covered only when it has been fully executed, and the optional branch coverage feature identifies any branches that remain untraveled. The MRI implementation considers all methods available, including those created through constructs like define_method and class_eval. Unlike Istanbul's method, DeepCover encompasses all defined methods and blocks when reporting coverage. Although loops are not classified as branches within DeepCover, accommodating them can be easily arranged if necessary. Even once DeepCover is activated and set up, it requires only a minimal amount of code loading, with coverage tracking starting later in the process. To facilitate an easy migration for projects that have previously relied on the built-in Coverage library, DeepCover can integrate itself into existing setups, ensuring a smooth transition for developers seeking improved coverage analysis. This capability makes DeepCover not only versatile but also user-friendly for teams looking to enhance their testing frameworks.

This plugin generates detailed coverage reports that offer more functionality compared to merely using coverage run. It includes support for subprocess execution, allowing you to fork or run tasks in a subprocess while still obtaining coverage seamlessly. Additionally, it integrates with xdist, enabling the use of all pytest-xdist features without sacrificing coverage reporting. The plugin maintains consistent behavior with pytest, ensuring that all functionalities provided by the coverage package are accessible either via pytest-cov's command line options or through coverage's configuration file. In rare cases, a stray .pth file might remain in the site packages after execution. To guarantee that each test run starts with clean data, the data file is cleared at the start of testing. If you wish to merge coverage results from multiple test runs, you can utilize the --cov-append option to add this data to that of previous runs. Furthermore, the data file is retained at the conclusion of testing, allowing users to leverage standard coverage tools for further analysis of the results. This additional functionality enhances the overall user experience by providing better management of coverage data throughout the testing process.

Xdebug is a powerful PHP extension that enhances the development workflow by offering various tools and functionalities. It allows developers to step through code in their integrated development environment as scripts run, making debugging much easier. The extension provides an enhanced version of the var_dump() function and delivers stack traces for notices, warnings, errors, and exceptions, clearly indicating the path leading to issues. Additionally, it logs all function calls, including arguments and their locations, to the disk, and can be configured to also record every variable assignment and return value for each function. This feature set enables developers, with the aid of visualization tools, to thoroughly examine the performance of their PHP applications and identify any bottlenecks. Moreover, Xdebug reveals the sections of code that are executed during unit testing with PHPUnit, aiding in better test coverage. For convenience, installing Xdebug via a package manager is typically the quickest method; simply replace the PHP version with the version you are currently using. You can also install Xdebug using PECL on both Linux and macOS, utilizing Homebrew for a streamlined setup process. Overall, Xdebug significantly enhances PHP development by providing essential debugging tools and performance insights.

OpenCppCoverage is a free and open-source tool designed for measuring code coverage in C++ applications on Windows platforms. Primarily aimed at enhancing unit testing, it also aids in identifying executed lines during program debugging. The tool is compatible with compilers that generate program database files (.pdb) and allows users to execute their programs without the need for recompilation. Users can exclude specific lines based on regular expressions, and it offers coverage aggregation, enabling the merging of multiple coverage reports into a singular comprehensive document. It requires Microsoft Visual Studio 2008 or newer, including the Express edition, although it may also function with earlier versions of Visual Studio. Furthermore, tests can be conveniently run through the Test Explorer window, streamlining the testing process for developers. This versatility makes OpenCppCoverage a valuable asset for those focused on maintaining high code quality.

A standalone driver compatible with CodeCoverage for PHP is known as PCOV. When PCOV is not configured, it will search for directories named src, lib, or app in the current working directory sequentially; if none of these are located, it defaults to using the current directory, which can lead to inefficient use of resources by storing coverage data for the entire test suite. If the PCOV configuration includes test code, it is advisable to utilize the exclude command to optimize resource usage. To prevent the unnecessary allocation of additional memory arenas for traces and control flow graphs, PCOV should be adjusted based on the memory demands of the test suite. Furthermore, to avoid table reallocations, the PCOV setting should exceed the total number of files being tested, including all test files. It's important to note that interoperability with Xdebug is not achievable. Internally, PCOV overrides the executor function, which can disrupt any extension or SAPI that attempts to do the same. Notably, PCOV operates at zero cost, allowing code to execute at full speed, thus enhancing performance without additional overhead. This efficiency makes it a valuable tool for developers looking to maintain high performance while ensuring effective code coverage.

Early is an innovative AI-powered solution that streamlines the creation and upkeep of unit tests, thereby improving code integrity and speeding up development workflows. It seamlessly integrates with Visual Studio Code (VSCode), empowering developers to generate reliable unit tests directly from their existing codebase, addressing a multitude of scenarios, including both standard and edge cases. This methodology not only enhances code coverage but also aids in detecting potential problems early in the software development lifecycle. Supporting languages such as TypeScript, JavaScript, and Python, Early works effectively with popular testing frameworks like Jest and Mocha. The tool provides users with an intuitive experience, enabling them to swiftly access and adjust generated tests to align with their precise needs. By automating the testing process, Early seeks to minimize the consequences of bugs, avert code regressions, and enhance development speed, ultimately resulting in the delivery of superior software products. Furthermore, its ability to quickly adapt to various programming environments ensures that developers can maintain high standards of quality across multiple projects.

Codacy is an automated code review tool. It helps identify problems through static code analysis. This allows engineering teams to save time and tackle technical debt. Codacy seamlessly integrates with your existing workflows on Git provider as well as with Slack and JIRA or using Webhooks. Each commit and pull-request includes notifications about security issues, code coverage, duplicate code, and code complexity. Advanced code metrics provide insight into the health of a project as well as team performance and other metrics. The Codacy CLI allows you to run Codacy code analysis locally. This allows teams to see Codacy results without needing to check their Git provider, or the Codacy app. Codacy supports more than 30 programming languages and is available in free open source and enterprise versions (cloud or self-hosted). For more see https://www.codacy.com/

Would you prefer an instant setup for all your needs, or do you value the ability to tailor your environment and workflow? CodeShip empowers developers to choose the most effective route for their needs, enhancing productivity and allowing teams to adapt over time. It offers a comprehensive suite of features, from deployment and notifications to code coverage, security scanning, and on-premise source control management, enabling seamless integration with any necessary tools, services, or cloud platforms for an ideal workflow. Our goal is not only to make CodeShip user-friendly but also to deliver prompt and comprehensive support for developers. When you encounter an issue or require assistance, having access to knowledgeable technical support without delay is crucial, and that’s a commitment we uphold at CodeShip. You can initiate your builds and deployments in under five minutes using CodeShip’s straightforward environment and intuitive interface. As your projects expand, you can gradually transition to more advanced workflows and configuration-as-code, ensuring your tools grow with your needs. This flexible approach ensures that as your requirements change, your workflow can adapt without missing a beat.

Appvance IQ (AIQ), delivers transformative productivity gains and lower costs for both test creation and execution. It offers both AI-driven (fully automated tests) and 3rd-generation codeless scripting for test creation. These scripts are then executed using data-driven functional and performance, app-pen, and API testing -- both for web and mobile apps. AIQ's self healing technology allows you to cover all code with only 10% of the effort required by traditional testing systems. AIQ detects important bugs automatically and with minimal effort. No programming, scripting, logs, or recording are required. AIQ can be easily integrated with your existing DevOps tools, processes, and tools.

Atlassian Clover has long served as a trusted tool for code coverage analysis for Java and Groovy developers, enabling us to dedicate our resources to enhancing features and refining our primary products like Jira Software and Bitbucket. This steadfast reliability prompted our choice to transition Clover to an open-source model, which we believe will provide it with the focus and support necessary for growth. We are thrilled to invite developers to engage with Clover, as they have successfully done with our other open-source initiatives, such as the IDE connectors and various libraries. While Clover is already a robust tool for measuring code coverage, we are eager to witness the innovations and improvements that the community will bring to this valuable resource. The collaboration and contributions from developers will undoubtedly help Clover reach its full potential.

dotCover is a powerful code coverage and unit testing tool designed for .NET that seamlessly integrates into Visual Studio and JetBrains Rider. This tool allows developers to assess the extent of their code's unit test coverage while offering intuitive visualization features and is compatible with Continuous Integration systems. It effectively calculates and reports statement-level code coverage for various platforms including .NET Framework, .NET Core, and Mono for Unity. As a plug-in to popular IDEs, dotCover enables users to analyze and visualize coverage directly within their coding environment, facilitating the execution of unit tests and the review of coverage outcomes without having to switch contexts. Additionally, it boasts support for customizable color themes, new icons, and an updated menu interface. Bundled with a unit test runner shared with ReSharper, another JetBrains product for .NET developers, dotCover enhances the testing experience. It also supports continuous testing, allowing it to dynamically identify which unit tests are impacted by code modifications as they occur. This real-time analysis ensures that developers can maintain high code quality throughout the development process.

Experience the power of CodeRush features immediately and witness their incredible capabilities. With robust support for C#, Visual Basic, and XAML, it offers the fastest .NET testing runner available, state-of-the-art debugging, and an unparalleled coding experience. Effortlessly locate symbols and files within your project and swiftly navigate to relevant code elements based on the current context. CodeRush boasts Quick Navigation and Quick File Navigation functionalities, streamlining the process of finding symbols and accessing files. Additionally, the Analyze Code Coverage feature enables you to identify which sections of your solution are safeguarded by unit tests, highlighting areas that may be vulnerable within your application. The Code Coverage window provides a detailed view of the percentage of statements covered by unit tests across each namespace, type, and member in your solution, empowering you to enhance your code quality effectively. By utilizing these features, you can significantly elevate your development workflow and ensure better application reliability.

The LDRA tool suite stands as the premier platform offered by LDRA, providing a versatile and adaptable framework for integrating quality into software development from the initial requirements phase all the way through to deployment. This suite encompasses a broad range of functionalities, which include requirements traceability, management of tests, adherence to coding standards, evaluation of code quality, analysis of code coverage, and both data-flow and control-flow assessments, along with unit, integration, and target testing, as well as support for certification and regulatory compliance. The primary components of this suite are offered in multiple configurations to meet various software development demands. Additionally, a wide array of supplementary features is available to customize the solution for any specific project. At the core of the suite, LDRA Testbed paired with TBvision offers a robust combination of static and dynamic analysis capabilities, along with a visualization tool that simplifies the process of understanding and navigating the intricacies of standards compliance, quality metrics, and analyses of code coverage. This comprehensive toolset not only enhances software quality but also streamlines the development process for teams aiming for excellence in their projects.