Adds PyVows runner

* Implements and exposes a runner for the PyVows test
  framework

Change-Id: Ib9326a18d1a4480ebd7e82ff755ce35e034c90a6

cafe/drivers/pyvows/runner.py

@@ -0,0 +1,114 @@
+"""
+Copyright 2013 Rackspace
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+import argparse
+import os
+import subprocess
+from cafe.configurator.managers import TestEnvManager
+
+
+def entry_point():
+
+    # Set up arguments
+    argparser = argparse.ArgumentParser(prog='vows-runner')
+
+    argparser.add_argument(
+        "product",
+        nargs=1,
+        metavar="<product>",
+        help="Product name")
+
+    argparser.add_argument(
+        "config",
+        nargs=1,
+        metavar="<config_file>",
+        help="Product test config")
+
+    argparser.add_argument(
+        dest='vows_opts',
+        nargs=argparse.REMAINDER,
+        metavar="<vows_opts>",
+        help="Options to pass to PyVows")
+
+    args = argparser.parse_args()
+    config = str(args.config[0])
+    product = str(args.product[0])
+    vows_opts = args.vows_opts
+
+    test_env_manager = TestEnvManager(product, config)
+    test_env_manager.finalize()
+
+    product_root_test_path = os.path.join(
+        test_env_manager.test_repo_path, product)
+
+
+    # Attempts to use first positional argument after product config as a
+    # sub-path to the test repo path. If not a sub-path, raise exception.
+
+    if vows_opts and not vows_opts[0].startswith('-'):
+        user_provided_path = vows_opts[0]
+        attempted_sub_path = os.path.join(
+            product_root_test_path,
+            user_provided_path.lstrip(os.path.sep))
+
+        if os.path.exists(attempted_sub_path):
+            vows_opts[0] = attempted_sub_path
+        else:
+            raise Exception(
+                "{directory} is not a sub-path in the {repo} repo.".format(
+                    directory=vows_opts[0],
+                    repo=test_env_manager.test_repo_package))
+    else:
+        vows_opts.insert(0, product_root_test_path)
+
+    print_mug(vows_opts[0])
+    vows_opts.insert(0, "pyvows")
+
+    subprocess.call(vows_opts)
+
+    exit(0)
+
+
+def print_mug(base_dir):
+    brew = "Brewing from {0}".format(base_dir)
+
+    mug0 = "      ( ("
+    mug1 = "       ) )"
+    mug2 = "    ........."
+    mug3 = "    |       |___"
+    mug4 = "    |       |_  |"
+    mug5 = "    |  :-)  |_| |"
+    mug6 = "    |       |___|"
+    mug7 = "    |_______|"
+    mug8 = "=== CAFE Vows Runner ==="
+
+    print "\n{0}\n{1}\n{2}\n{3}\n{4}\n{5}\n{6}\n{7}\n{8}".format(
+        mug0,
+        mug1,
+        mug2,
+        mug3,
+        mug4,
+        mug5,
+        mug6,
+        mug7,
+        mug8)
+
+    print "-" * len(brew)
+    print brew
+    print "-" * len(brew)
+
+if __name__ == '__main__':
+    entry_point()

setup.py

@@ -91,5 +91,6 @@ setup(
         'console_scripts':
         ['cafe-runner = cafe.drivers.unittest.runner:entry_point',
          'behave-runner = cafe.drivers.behave.runner:entry_point',
+         'vows-runner = cafe.drivers.pyvows.runner:entry_point',
          'cafe-config = cafe.configurator.cli:entry_point']},
     cmdclass={'install': install})