Add support for Coveralls

.coveragerc

@@ -0,0 +1,8 @@
+[report]
+omit =
+    /home/*/.buildout/eggs/*
+    /usr/*
+    bin/test
+    buildout-cache/eggs/*
+    eggs/*
+    parts/*

.travis.yml

@@ -1,13 +1,18 @@
+python: 
+- 2.6
+script: 
+- bin/coverage.sh
+after_success:
+- coveralls 
+env: 
+  global: 
+    secure: hsjUwQmmabdnQMJDu8ylr/wmIPpik8X7zQR1gCVUxVjlioIEhkoQv8RtLOLoP9RfSXr8Lv9CAndXI9j59XjkDYB4p8HwNx46DxQthgd5SQM+W+A456r+w//nTY4w/37wNj1ELrjXyPSuBfyyarNduB1SuOSH+qG6OL6jf/HjEpA=
 language: python
-python:
-  - 2.6
-before_install:
-  - pip install http://effbot.org/downloads/Imaging-1.1.6.tar.gz
-  - sudo apt-get install -qq libxml2-dev libxslt-dev
-  - mkdir -p buildout-cache/eggs
-  - mkdir -p buildout-cache/downloads
-install:
-  - python bootstrap.py -c test.cfg
-  - bin/buildout -t 5 -Nqc test.cfg
-script:
-  - bin/test
+install: 
+- python bootstrap.py -c test.cfg
+- bin/buildout -t 5 -Nqc test.cfg
+before_install: 
+- pip install -q http://effbot.org/downloads/Imaging-1.1.6.tar.gz coveralls
+- sudo apt-get install -qq libxml2-dev libxslt-dev
+- mkdir -p buildout-cache/eggs
+- mkdir -p buildout-cache/downloads

test.cfg

@@ -1,13 +1,17 @@
 [buildout]
-extends = http://svn.plone.org/svn/collective/buildout/plonetest/test-4.0.x.cfg http://good-py.appspot.com/release/plone/4.0.9
+extends =
+    https://raw.github.com/collective/buildout.plonetest/master/test-4.0.x.cfg 
+    http://good-py.appspot.com/release/plone/4.0.9
 
 eggs-directory = buildout-cache/eggs
 download-cache = buildout-cache/downloads
 
-parts = download install test
+parts = download install test createcoverage coverage-sh
 
 package-name = quintagroup.plonecomments
 
+package-min-coverage = 80
+
 allow-hosts =
     *.plone.org
     *.python.org
@@ -29,5 +33,42 @@ recipe = collective.recipe.cmd
 on_install = true
 cmds = tar jxvf ${download:location}/${buildout:basename}/packages/buildout-cache.tar.bz2 1>/dev/null
 
+[createcoverage]
+recipe = zc.recipe.egg
+eggs = createcoverage
+
+[coverage-sh]
+recipe = collective.recipe.template
+output = ${buildout:directory}/bin/coverage.sh
+mode = 755
+input = inline:
+    #! /bin/sh
+    # checks for report created with createcoverage and evaluate the result
+
+    DEFAULT=${buildout:package-min-coverage}
+    REPORT="htmlcov/index.html"
+
+    if [ "$#" -eq 1 ] && [ $1 -ge 0 ] && [ $1 -le 100 ]; then
+        MINIMUM=$1
+    else
+        echo "Invalid value for minimum coverage; using default: $DEFAULT%"
+        MINIMUM=$DEFAULT
+    fi
+
+    if [ ! -f "$REPORT" ]; then
+        bin/createcoverage run bin/test
+    fi
+
+    # find first percentage value in file (module test coverage) and return it
+    COVERAGE=`grep "[0-9]\{1,3\}[%]" $REPORT -m 1 -o | grep "[0-9]\{1,3\}" -o`
+
+    if [ $COVERAGE -lt $MINIMUM ]; then
+        echo "Insufficient test coverage: $COVERAGE% (minimum acceptable is $MINIMUM%)"
+        exit 1
+    else
+        echo "Current test coverage: $COVERAGE%"
+        exit 0
+    fi
+
 [versions]
 zc.buildout = 1.6.3