Copy run_test.sh from heat repo

This allows run_test.sh to run without a working venv, plus all the
other features of heat/run_test.sh

Change-Id: I71d7af8a5442626192c5c8b5dca446a999ff6ede

run_tests.sh

@@ -1,49 +1,121 @@
 #!/bin/bash
 
+BASE_DIR=`dirname $0`
+
 function usage {
-  echo "Usage: $0 [OPTION]..."
-  echo "Run python-heatclient's test suite(s)"
-  echo ""
-  echo "  -p, --pep8               Just run pep8"
-  echo "  -h, --help               Print this usage message"
-  echo ""
-  echo "This script is deprecated and currently retained for compatibility."
-  echo 'You can run the full test suite for multiple environments by running "tox".'
-  echo 'You can run tests for only python 2.7 by running "tox -e py27", or run only'
-  echo 'the pep8 tests with "tox -e pep8".'
-  exit
+    echo "Usage: $0 [OPTION]..."
+    echo "Run heatclient test suite(s)"
+    echo ""
+    echo "  -V, --virtual-env        Use virtualenv.  Install automatically if not present."
+    echo "                           (Default is to run tests in local environment)"
+    echo "  -F, --force              Force a clean re-build of the virtual environment. Useful when dependencies have been added."
+    echo "  -f, --func               Functional tests have been removed."
+    echo "  -u, --unit               Run unit tests (default when nothing specified)"
+    echo "  -p, --pep8               Run pep8 tests"
+    echo "  --all                    Run pep8 and unit tests"
+    echo "  -c, --coverage           Generate coverage report"
+    echo "  -d, --debug              Run tests with testtools instead of testr. This allows you to use the debugger."
+    echo "  -h, --help               Print this usage message"
+    exit
 }
 
-command -v tox > /dev/null 2>&1
-if [ $? -ne 0 ]; then
-  echo 'This script requires "tox" to run.'
-  echo 'You can install it with "pip install tox".'
-  exit 1; 
-fi
-
-just_pep8=0
-
+# must not assign -a as an option, needed for selecting custom attributes
+no_venv=1
 function process_option {
-  case "$1" in
-    -h|--help) usage;;
-    -p|--pep8) let just_pep8=1;;
-  esac
+    case "$1" in
+        -V|--virtual-env) no_venv=0;;
+        -F|--force) force=1;;
+        -f|--func) test_func=1;;
+        -u|--unit) test_unit=1;;
+        -p|--pep8) test_pep8=1;;
+        --all) test_unit=1; test_pep8=1;;
+        -c|--coverage) coverage=1;;
+        -d|--debug) debug=1;;
+        -h|--help) usage;;
+        *) args="$args $1"; test_unit=1;;
+    esac
 }
 
-for arg in "$@"; do
-  process_option $arg
-done
+venv=.venv
+with_venv=tools/with_venv.sh
+wrapper=""
+debug=0
 
-if [ $just_pep8 -eq 1 ]; then
-  exec tox -e pep8
+function run_tests {
+    echo 'Running tests'
+
+    if [ $debug -eq 1 ]; then
+      echo "Debugging..."
+      if [ "$args" = "" ]; then
+        # Default to running all tests if specific test is not
+        # provided.
+        testrargs="discover ./heatclient/tests"
+      fi
+      ${wrapper} python -m testtools.run $args $testrargs
+
+      # Short circuit because all of the testr and coverage stuff
+      # below does not make sense when running testtools.run for
+      # debugging purposes.
+      return $?
+    fi
+
+    # Just run the test suites in current environment
+    if [ -n "$args" ] ; then
+        args="-t $args"
+    fi
+    ${wrapper} python setup.py testr --slowest $args
+}
+
+function run_pep8 {
+    echo "Running flake8..."
+    bash -c "${wrapper} flake8"
+}
+
+# run unit tests with pep8 when no arguments are specified
+# otherwise process CLI options
+if [[ $# == 0 ]]; then
+    test_pep8=1
+    test_unit=1
+else
+    for arg in "$@"; do
+        process_option $arg
+    done
 fi
 
-tox -e py27 $toxargs 2>&1 | tee run_tests.err.log  || exit 1
-tox_exit_code=${PIPESTATUS[0]}
-if [ 0$tox_exit_code -ne 0 ]; then
-  exit $tox_exit_code
+if [ "$no_venv" == 0 ]
+then
+    # Remove the virtual environment if --force used
+    if [ "$force" == 1 ]; then
+        echo "Cleaning virtualenv..."
+        rm -rf ${venv}
+    fi
+    if [ -e ${venv} ]; then
+        wrapper="${with_venv}"
+    else
+        # Automatically install the virtualenv
+        python tools/install_venv.py
+        wrapper="${with_venv}"
+    fi
 fi
 
-if [ -z "$toxargs" ]; then
-  tox -e pep8
+result=0
+
+# If functional or unit tests have been selected, run them
+if [ "$test_unit" == 1 ] || [ "$debug" == 1 ] ; then
+    run_tests
+    result=$?
 fi
+
+# Run pep8 if it was selected
+if [ "$test_pep8" == 1 ]; then
+    run_pep8
+fi
+
+# Generate coverage report
+if [ "$coverage" == 1 ]; then
+    echo "Generating coverage report in ./cover"
+    ${wrapper} python setup.py testr --coverage --slowest
+    ${wrapper} python -m coverage report --show-missing
+fi
+
+exit $result