Resolved Issue #164

ChangeLog

@@ -33,6 +33,8 @@ Bugs:
 Features:
 
     * :issue:`161` - Ability to override `usage`
+    * :issue:`164` - Store previously rendered data as app._last_rendered, and
+      retrievable by app.get_last_rendered().
     * :issue:`165` - Allow utils.fs.backup() to support a suffix kwarg
     * :issue:`166` - Ability to set the 'app' for CementTestCase.make_app()
     * :issue:`170` - Added support for `nested` and `embedded` controllers.

cement/core/foundation.py

@@ -343,7 +343,8 @@ class CementApp(meta.MetaMixin):
         self._validate_label()
         self._loaded_bootstrap = None
         self._parsed_args = None
-
+        self._last_rendered = None
+        
         self.ext = None
         self.config = None
         self.log = None
@@ -511,8 +512,18 @@ class CementApp(meta.MetaMixin):
             else:
                 out_text = str(res)
 
+        self._last_rendered = (data, out_text)
         return out_text
 
+    def get_last_rendered(self):
+        """
+        Return the (data, output_text) tuple of the last time self.render() was
+        called.
+        
+        :returns: tuple (data, output_text)
+        """
+        return self._last_rendered
+        
     @property
     def pargs(self):
         """

doc/source/dev/testing.rst

@@ -56,6 +56,11 @@ The following outlines a basic test case using the cement.utils.test module.
             # Run the applicaion, if necessary
             self.app.run()
             
+            # Test the last rendered output (if app.render was used)
+            data, output = app.get_last_rendered()
+            self.eq(data, {'foo':'bar'})
+            self.eq(output, 'some rendered output text)
+            
             # Close the application, again if necessary
             self.app.close()
             

tests/core/foundation_tests.py

@@ -212,4 +212,10 @@ class FoundationTestCase(test.CementTestCase):
         app.setup()
         app.run()
         self.eq(app.pargs.debug, True)
-        
+        
+    def test_last_rendered(self):
+        self.app.setup()
+        output_text = self.app.render({'foo':'bar'})
+        last_data, last_output = self.app.get_last_rendered()
+        self.eq({'foo':'bar'}, last_data)
+        self.eq(output_text, last_output)