Producing a test coverage report for iOS and OSX projects requires a mish-mash of tools and steps. Here we've glued them all together into something that (hopefully) just works.

Generates a report with minimal steps.
Outputs to the terminal as well as produces a detailed report in build-server friendly HTML format.
Includes a coverage checker. This can be used in CI builds to check minimum test coverage - failing the build if coverage falls below the required amount.
Free for both commercial and open-source projects.

Installing

The script itself can be run remotely, but we'll first need to install dependencies . .

With HomeBrew

brew install groovy
brew install lcov

With MacPorts

sudo port install groovy
sudo port install lcov

Important : Fixing 'Coverage Data Not Found' error

NB: Current version of Xcode requires bleeding edge lcov (lcov --version), not provided by MacPorts (need to confirm HomeBrew). To install:

git clone https://github.com/linux-test-project/lcov.git
cd lcov
sudo make install

Usage

Set your main App target to produce test coverage output (debug mode only).

Set your main App target to instrument program flow (debug mode only).

IDE Use

Run tests in your IDE (AppCode or Xcode) and produce a report with:

groovy http://appsquickly.github.io/frankencover.it/with -source-dir MyProject/Source

Build server or cmd-line use

Create a build script as follows

# First Run Tests
xcodebuild test -workspace MyProject.xcworkspace/ -scheme 'MyProject' -configuration Debug \
-destination 'platform=iOS Simulator,name=iPhone 5s,OS=8.1' | xcpretty -c --report junit
#Above we are piping the build output through xcpretty, which is not required, but very nice. 
#(gem install xcpretty)

# Now Produce Test Coverage Report
groovy http://appsquickly.github.io/frankencover.it/with -source-dir MyProject/Source -required-coverage 85
#Above we set required coverage to 85%. Build fails if coverage falls below this value.

. . this ensures using an update to date version.

Output

cmd-line

browser

Report file is at build/reports/coverage/index.html.

Cobertura Format

If you'd like to publish in Cobertura format (commonly supported by build servers) we recommend this Python script.

Place the script somewhere on visible to your build server or whatever needs cobertura format, and then execute as follows:

python ~/lcov_cobertura.py build/reports/coverage/data/coverage.info

Install locally

If you don't want to run the hosted script, it can be installed locally with:

curl -SSL http://appsquickly.github.io/frankencover.it/with > FrankenCover && chmod +x ./FrankenCover

Swift Code Coverage

At the present time Swift Code coverage because the compiler currently ignores instructions to instrument the codebase. Please vote for this OpenRadar issue.

Like this project?

frankencover.it is a non-profit, community driven project. We only ask that if you've found it useful to star us on Github or send a tweet mentioning us (@appsquickly). frankencover.it is sponsored and lead by appsquick.ly, with contributions from around the world.

A big thank you to the following contributors:

Alex Argo : Feedback & fixes for directories with unusual characters
Hybrid Cat : Exclusions, html report configs.

Contributing

For now, the script, along with documentation is located on the gh-pages branch.

LICENSE

Apache License, Version 2.0, January 2004, http://www.apache.org/licenses/

Note that the project description data, including the texts, logos, images, and/or trademarks, for each open source project belongs to its rightful owner. If you wish to add or remove any projects, please contact us at [email protected].

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