Add ParserElement.runTests, quick-and-dirty test bench for testing an expression against a series of sample input strings

2 files changed, 24 insertions, 1 deletions

diff --git a/src/CHANGES b/src/CHANGES
index 66f3304..7f54de6 100644
--- a/src/CHANGES
+++ b/src/CHANGES
@@ -29,6 +29,11 @@ Version 2.0.4 -
   per suggestions from Williamzjc - thanks William! (Oh yeah, I'm not

   supporting Python 2.3 with this code any more...)

 

+- Added ParserElement.runTests, a little test bench for quickly running

+  an expression against a list of sample input strings. Basically, I got 

+  tired of writing the same test code over and over, and finally added it

+  as a test point method on ParserElement.

+

 

 Version 2.0.3 - 

 ---------------------------

diff --git a/src/pyparsing.py b/src/pyparsing.py
index 3cdb378..303d4db 100644
--- a/src/pyparsing.py
+++ b/src/pyparsing.py
@@ -58,7 +58,7 @@ The pyparsing module handles some of the problems that are typically vexing when
 """

 

 __version__ = "2.0.4"

-__versionTime__ = "13 Sep 2015 14:58"

+__versionTime__ = "14 Oct 2015 03:33"

 __author__ = "Paul McGuire <ptmcg@users.sourceforge.net>"

 

 import string

@@ -1546,7 +1546,25 @@ class ParserElement(object):
     def __rne__(self,other):

         return not (self == other)

 

+    def runTests(self, tests):

+        """Execute the parse expression on a series of test strings, showing each

+           test, the parsed results or where the parse failed. Quick and easy way to

+           run a parse expression against a list of sample strings.

+        """

+        for t in tests:

+            print t

+            try:

+                print self.parseString(t).dump()

+            except ParseException as pe:

+                if '\n' in t:

+                    print line(pe.loc, t)

+                    print ' '*(col(pe.loc,t)-1) + '^'

+                else:

+                    print ' '*pe.loc + '^'

+                print pe

+            print

 

+        

 class Token(ParserElement):

     """Abstract C{ParserElement} subclass, for defining atomic matching patterns."""

     def __init__( self ):