Simple clojure coverage tool.
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Cloverage uses clojure.test by default. If you prefer use midje, pass the --runner :midje flag. (In older versions of Cloverage, you had to wrap your midje tests in clojure.test's deftest. This is no longer necessary.) Other test libraries may ship with their own support for Cloverage external to this library; see their documentation for details.
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.
You can set project default settings for Cloverage in your project. Command line arguments can still be used and will be merged in. List options are merged by concatenation, for other options the project value is used.
Available options and command-line arguments:
Project Switches Default Desc
------- -------- ------- ----
:output -o, --output target/coverage Output directory.
:text? --no-text, --text false Produce a text report.
:html? --no-html, --html true Produce an HTML report.
:emma-xml? --no-emma-xml, --emma-xml false Produce an EMMA XML report. [emma.sourceforge.net]
:lcov? --no-lcov, --lcov false Produce a lcov/gcov report.
:codecov? --no-codecov, --codecov false Generate a JSON report for Codecov.io
:coveralls? --no-coveralls, --coveralls false Send a JSON report to Coveralls if on a CI server
:junit? --no-junit, --junit false Output test results as junit xml file. Supported in :clojure.test runner
:raw? --no-raw, --raw false Output raw coverage data (for debugging).
:summary? --no-summary, --summary true Prints a summary
:fail-threshold --fail-threshold 0 Sets the percentage threshold at which cloverage will abort the build. Default: 0%
:low-watermark --low-watermark 50 Sets the low watermark percentage (valid values 0..100). Default: 50%
:high-watermark --high-watermark 80 Sets the high watermark percentage (valid values 0..100). Default: 80%
:debug? -d, --no-debug, --debug false Output debugging information to stdout.
:runner -r, --runner :clojure.test Specify which test runner to use. Built-in runners are `clojure.test` and `midje`.
:nop? --no-nop, --nop false Instrument with noops.
:ns-regex -n, --ns-regex [] Regex for instrumented namespaces (can be repeated).
:ns-exclude-regex -e, --ns-exclude-regex [] Regex for namespaces not to be instrumented (can be repeated).
:test-ns-regex -t, --test-ns-regex [] Regex for test namespaces (can be repeated).
:src-ns-path -p, --src-ns-path [] Path (string) to directory containing source code namespaces (can be repeated).
:test-ns-path -s, --test-ns-path [] Path (string) to directory containing test namespaces (can be repeated).
:extra-test-ns -x, --extra-test-ns [] Additional test namespace (string) to add (can be repeated).
:custom-report -c, --custom-report Load and run a custom report writer. Should be a namespaced symbol. The function is passed
project-options args-map output-directory forms
:help? -h, --no-help, --help false Show help.
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.'"
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.
This happens if there is a namespace in your project that requires itself, for example:
(ns foo.bar
(:require [foo.bar :as bar]))Remove the self-reference and the test coverage report should report correctly again.
Distributed under the Eclipse Public License, the same as Clojure.
- 2015 LShift, Tom Parker
- 2012 LShift, Jacek Lach, Alexander Schmolck, Frank Shearar
- 2010 Michael Delaurentis
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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