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Clojure test coverage tool
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README.md

cloverage

Simple clojure coverage tool. Currently requires clojure 1.4.

Build Status

Installation

Add Clojars Project to :plugins in your .lein/profiles.clj

Testing frameworks support

This library currently only supports clojure.test. You can get midje to work by wrapping facts in deftest declarations.

Usage

lein

Run lein cloverage in your project. See cloverage/coverage.clj for more options.

To specify the version of cloverage manually, set the CLOVERAGE_VERSION to desired value, for example CLOVERAGE_VERSION=1.0.4-SNAPSHOT lein cloverage

By default, the plugin will use the latest release version of cloverage.

mvn

There is no maven plugin right now. A workaround is to import this library in the project being tested, then run: mvn exec:java -Dexec.classpathScope=test -Dexec.mainClass='clojure.main' -Dexec.args='--main cloverage.coverage *args-to-coverage*'

Where args-to-coverage will usually be something like "-n 'ns.regex.' -t 'text.ns.regex.'"

Troubleshooting

IllegalArgumentException No matching field found: foo for class user.Bar  clojure.lang.Reflector.getInstanceField (Reflector.java:271)

This is usually caused by protocols with methods starting with -. Before clojure 1.6:

user=> (defprotocol Foo (-foo [x] x))
Foo
user=> (deftype Bar [] Foo (-foo [_] "foo"))
user.Bar
user=> (-foo (Bar.))
"foo"
user=> ((do -foo) (Bar.))

IllegalArgumentException No matching field found: foo for class user.Bar  clojure.lang.Reflector.getInstanceField (Reflector.java:271)

Since cloverage will wrap the -foo symbol to track whether it's accessed, you will get this error. Upgrade to clojure 1.6.

Releases

In order to release to Clojars, you'll need to set CLOJARS_USERNAME and CLOJARS_PASSWORD in your environment variables.

e.g. CLOJARS_USERNAME=lshift CLOJARS_PASSWORD=<LShift Clojars password> lein release in each of the cloverage and lein-cloverage folders.

Changelog

1.0.6

  • Features
    • Option to exclude namespaces (#57/#73)
    • Improved records fixes for Compojure (#66/#69)
    • Option to specify a path to src/test namespaces (#70)
    • Automatic push out of snapshot releases (#65)
    • Handle records correctly (#59)
    • Text summary of results (#50)
  • Bugfixes
    • Correct test namespaces regex usage (#67)
    • Cope with zero-namespace situations correctly (#62)

1.0.5:

1.0.4:

  • Features:
    • Minimal EMMA XML output format support.
    • Coveralls output format.
    • Cloverage now exits with non-zero exit code when your tests fail
    • Total % coverage summary in index.html
  • Bugfixes:
    • Better instrumentation logic is no longer confused by macro/symbol shadowing
    • Support for (:require [(namespace.prefix (suffix :as rename))]) ns forms
    • Cloverage jars no longer include all dependencies

1.0.3:

  • fix empty list crash
  • add letfn support
  • print html report URL after testing

License

Distributed under the Eclipse Public License, the same as Clojure.

Contributors

  • 2015 LShift, Tom Parker
  • 2012 LShift, Jacek Lach, Alexander Schmolck, Frank Shearar
  • 2010 Michael Delaurentis

Mentions

Some code was taken from

  • Java IO interop (clojure-contrib/duck-streams) by Stuart Sierra (see cloverage/source.clj)
  • Topological sort (https://gist.github.com/1263783) by Alan Dipert (see cloverage/kahn.clj)
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