coverage integration, default .coveragerc and .travis.yml ready for coveralls.io

.travis.yml

@@ -5,12 +5,16 @@ python:
   - '2.6'
   - '2.7'
   - 'pypy'
+install:
+  - pip install -e . --use-mirrors
 env:
   - DB=sqlite:memory
   - DB=mysql://root:@localhost/test_w2p
   - DB=postgres://postgres:@localhost/test_w2p
 before_script:
-  - pip install unittest2
+  - if [[ $TRAVIS_PYTHON_VERSION != '2.7' ]]; then pip install --use-mirrors unittest2; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then pip install --use-mirrors coverage; fi;
+  - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then pip install --use-mirrors python-coveralls; fi
   - if [[ $DB == postgres* ]]; then pip install --use-mirrors psycopg2; fi;
   - if [[ $TRAVIS_PYTHON_VERSION == '2.5' ]]; then pip install --use-mirrors pysqlite; fi
   - if [[ $DB == mysql* ]]; then mysql -e 'create database test_w2p;'; fi
@@ -25,7 +29,10 @@ matrix:
     - python: 'pypy'
       env: DB=mysql://root:@localhost/test_w2p
 
-script: PYTHONPATH=. unit2 -v gluon.tests
-
+script: export COVERAGE_PROCESS_START=gluon/tests/.coveragerc; ./web2py.py --run_system_tests --with_coverage
+after_success:
+  - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then coverage combine; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then coveralls --config_file=gluon/tests/.coveragerc; fi
+  
 notifications:
   email: true

gluon/widget.py

@@ -62,22 +62,34 @@ if not sys.version[:3] in ['2.4', '2.5', '2.6', '2.7']:
 logger = logging.getLogger("web2py")
 
 
-def run_system_tests():
+def run_system_tests(options):
+    """
+    Runs unittests for gluon.tests
+    """
+    import subprocess
     major_version = sys.version_info[0]
     minor_version = sys.version_info[1]
-    print "minor_version = %r" % minor_version
     if major_version == 2:
         if minor_version in (5, 6):
-            print "Python 2.5 or 2.6"
-            ret = os.system("PYTHONPATH=. unit2 -v gluon.tests")
+            sys.stderr.write("Python 2.5 or 2.6\n")
+            ret = subprocess.call(['unit2', '-v', 'gluon.tests'])
         elif minor_version in (7,):
-            print "Python 2.7"
-            ret = os.system("PYTHONPATH=. python -m unittest -v gluon.tests")
+            call_args = [sys.executable, '-m', 'unittest', '-v', 'gluon.tests']
+            if options.with_coverage:
+                try:
+                    import coverage
+                    coverage_config = os.path.join('gluon', 'tests', '.coveragerc')
+                    call_args = ['coverage', 'run', '--rcfile=%s' % coverage_config, 
+                                    '-m', 'unittest', '-v', 'gluon.tests']
+                except:
+                    sys.stderr.write('Coverage was not installed, skipping\n')
+            sys.stderr.write("Python 2.7\n")
+            ret = subprocess.call(call_args)
         else:
-            print "unknown python 2.x version"
+            sys.stderr.write("unknown python 2.x version\n")
             ret = 256
     else:
-        print "Only Python 2.x supported."
+        sys.stderr.write("Only Python 2.x supported.\n")
         ret = 256
     sys.exit(ret and 1)
 
@@ -902,7 +914,15 @@ def console():
                       dest='run_system_tests',
                       default=False,
                       help=msg)
-
+    
+    msg = ('adds coverage reporting (needs --run_system_tests), '
+           'python 2.7 and the coverage module installed')
+    parser.add_option('--with_coverage',
+                      action='store_true',
+                      dest='with_coverage',
+                      default=False,
+                      help=msg)
+                      
     if '-A' in sys.argv:
         k = sys.argv.index('-A')
     elif '--args' in sys.argv:
@@ -923,7 +943,7 @@ def console():
         options.ips = []
 
     if options.run_system_tests:
-        run_system_tests()
+        run_system_tests(options)
 
     if options.quiet:
         capture = cStringIO.StringIO()

web2py.py

@@ -24,4 +24,10 @@ if __name__ == '__main__':
         freeze_support()
     except:
         sys.stderr.write('Sorry, -K only supported for python 2.6-2.7\n')
+    if os.environ.has_key("COVERAGE_PROCESS_START"):
+        try:
+            import coverage
+            coverage.process_startup()
+        except:
+            pass
     gluon.widget.start(cron=True)