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What is grcov?

grcov is a utility designed to collect and unify code coverage information from multiple source files. It can effectively process .profraw and .gcda files generated by llvm/clang or gcc compilers. Furthermore, grcov supports lcov files for JavaScript coverage along with JaCoCo files for Java projects. This adaptable tool works seamlessly across various operating systems such as Linux, macOS, and Windows, ensuring that developers from diverse environments can utilize it. By leveraging its capabilities, teams can significantly improve their analysis of code quality and test coverage, leading to better software outcomes. Its broad compatibility and robust functionality make it an essential asset for any development workflow.

What is Istanbul?

Achieving simplified JavaScript test coverage is possible with Istanbul, which enhances your ES5 and ES2015+ code by integrating line counters to measure the extent of your unit tests in covering the codebase. The nyc command-line interface works seamlessly with a variety of JavaScript testing frameworks, including tap, mocha, and AVA. By employing babel-plugin-Istanbul, you gain robust support for ES6/ES2015+, ensuring compatibility with popular JavaScript testing tools. Additionally, nyc’s command-line functionalities allow for the instrumentation of subprocesses, providing more comprehensive coverage insights. Integrating coverage into mocha tests is straightforward; simply add nyc as a prefix to your test command. Moreover, nyc's instrument command can be used to prepare source files even beyond the immediate scope of your unit tests. When running a test script, nyc conveniently lists all Node processes spawned during the execution. While nyc typically defaults to Istanbul's text reporter, you also have the option to select different reporting formats to better meet your requirements. Overall, nyc significantly simplifies the journey toward achieving extensive test coverage for JavaScript applications, enabling developers to enhance code quality with ease while ensuring that best practices are followed throughout the testing process. This functionality ultimately fosters a more efficient development workflow, making it easier to maintain high standards in code reliability and performance.

Media

Media

Integrations Supported

HTML
C
C++
Codecov
Coveralls
DeepCover
GitHub
GitLab
JSON
JaCoCo
JavaScript
Jest
Mocha
Mozilla Firefox
Netlify
Rust
Travis CI
TypeScript
XML Notepad

Integrations Supported

HTML
C
C++
Codecov
Coveralls
DeepCover
GitHub
GitLab
JSON
JaCoCo
JavaScript
Jest
Mocha
Mozilla Firefox
Netlify
Rust
Travis CI
TypeScript
XML Notepad

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Free
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

grcov

Company Website

github.com/mozilla/grcov

Company Facts

Organization Name

Istanbul

Company Location

United States

Company Website

istanbul.js.org

Categories and Features

Categories and Features

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