Correct generated files

Signed-off-by: Petr "Stone" Hracek <phracek@redhat.com>

test/run

@@ -187,6 +187,12 @@ test_application() {
   cleanup_app
 }
 
+test_from_dockerfile(){
+  info "Test from Dockerfile"
+  sed "s@#IMAGE_NAME#@${IMAGE_NAME}@" $test_dir/from-dockerfile/Dockerfile.tpl > $test_dir/from-dockerfile/Dockerfile
+  ct_test_app_dockerfile $test_dir/from-dockerfile/Dockerfile 'https://github.com/sclorg/django-ex.git' 'Welcome to your Django application on OpenShift' app-src
+  check_result $?
+}
 
 # Since we built the candidate image locally, we don't want S2I attempt to pull
 # it from Docker hub
@@ -228,4 +234,20 @@ for app in ${@:-${WEB_APPS[@]}}; do
   cleanup ${app}
 done
 
+if [ "$OS" == "rhel7" ] || [ "$OS" == "centos7" ]; then
+   # autocleanup only enabled here as only the following tests so far use it
+   CID_FILE_DIR=$(mktemp -d)
+   ct_enable_cleanup
+
+   info "Testing variable presence during \`docker exec\`"
+   ct_check_exec_env_vars
+   check_result $?
+
+   info "Checking if all scl variables are defined in Dockerfile"
+   ct_check_scl_enable_vars
+   check_result $?
+fi
+
+test_from_dockerfile
+
 info "All tests finished successfully."