Add input validation test case

The required properties without default value in substituted node
template which be mapped must be
  as inputs of nested service template which defines substutition
mappings, and the inputs of nested
  service template which are not in the properties of the substituted
node template must provide
  default values.

JIRA:PARSER-113

Change-Id: Idce9ffa7de61f65032fa29f2ccf26c6433c14a40
Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>

1 files changed, 7 insertions, 2 deletions

diff --git a/tosca2heat/tosca-parser/toscaparser/common/exception.py b/tosca2heat/tosca-parser/toscaparser/common/exception.py
index f67a277..724844b 100644
--- a/tosca2heat/tosca-parser/toscaparser/common/exception.py
+++ b/tosca2heat/tosca-parser/toscaparser/common/exception.py
@@ -116,14 +116,19 @@ class UnknownInputError(TOSCAException):
 
 class MissingRequiredInputError(TOSCAException):
     msg_fmt = _('%(what)s is missing required input definition '
-                ' with name: "%(input_name)s".')
+                'of input "%(input_name)s".')
 
 
 class MissingRequiredParameterError(TOSCAException):
-    msg_fmt = _('%(what)s is missing required parameter for input: '
+    msg_fmt = _('%(what)s is missing required parameter for input '
                 '"%(input_name)s".')
 
 
+class MissingDefaultValueError(TOSCAException):
+    msg_fmt = _('%(what)s is missing required default value '
+                'of input "%(input_name)s".')
+
+
 class InvalidPropertyValueError(TOSCAException):
     msg_fmt = _('Value of property "%(what)s" is invalid.')