PEP-8-ified the decorator names for parse tree assertions, added a test case

Cython/Compiler/Options.py

@@ -71,8 +71,8 @@ option_defaults = {
     'doctesthack': False,
 
 # test support
-    'testAssertPathExists' : [],
-    'testFailIfPathExists' : [],
+    'test_assert_path_exists' : [],
+    'test_fail_if_path_exists' : [],
 }
 
 # Override types possibilities above, if needed
@@ -85,8 +85,8 @@ for key, val in option_defaults.items():
 option_scopes = { # defaults to available everywhere
     # 'module', 'function', 'class', 'with statement'
     'doctesthack' : ('module',),
-    'testAssertPathExists' : ('function',),
-    'testFailIfPathExists' : ('function',),
+    'test_assert_path_exists' : ('function',),
+    'test_fail_if_path_exists' : ('function',),
 }
 
 def parse_option_value(name, value):

Cython/TestUtils.py

@@ -148,20 +148,18 @@ class TreeAssertVisitor(VisitorTransform):
 
     def visit_CompilerDirectivesNode(self, node):
         directives = node.directives
-        if 'testAssertPathExists' in directives:
-            for path in directives['testAssertPathExists']:
+        if 'test_assert_path_exists' in directives:
+            for path in directives['test_assert_path_exists']:
                 if TreePath.find_first(node, path) is None:
                     Errors.error(
                         node.pos,
-                        "Expected path '%s' not found in result tree of node %r" % (
-                        path, node.body))
-        if 'testFailIfPathExists' in directives:
-            for path in directives['testFailIfPathExists']:
+                        "Expected path '%s' not found in result tree" % path)
+        if 'test_fail_if_path_exists' in directives:
+            for path in directives['test_fail_if_path_exists']:
                 if TreePath.find_first(node, path) is not None:
                     Errors.error(
                         node.pos,
-                        "Unexpected path '%s' found in result tree of node %r" %  (
-                        path, node.body))
+                        "Unexpected path '%s' found in result tree" %  path)
         self.visitchildren(node)
         return node
 

tests/errors/tree_assert.pyx

+
+cimport cython
+
+@cython.test_fail_if_path_exists("//SimpleCallNode",
+                                 "//NameNode")
+@cython.test_assert_path_exists("//ComprehensionNode",
+                                "//ComprehensionNode//FuncDefNode")
+def test():
+    object()
+
+
+_ERRORS = u"""
+8:0: Expected path '//ComprehensionNode' not found in result tree
+8:0: Expected path '//ComprehensionNode//FuncDefNode' not found in result tree
+8:0: Unexpected path '//NameNode' found in result tree
+8:0: Unexpected path '//SimpleCallNode' found in result tree
+"""

tests/run/dictcomp.pyx

@@ -22,10 +22,12 @@ def smoketest_dict():
              for x in range(5)
              if x % 2 == 0 }
 
-@cython.testFailIfPathExists("//ComprehensionNode//ComprehensionAppendNode",
-                             "//SimpleCallNode//ComprehensionNode")
-@cython.testAssertPathExists("//ComprehensionNode",
-                             "//ComprehensionNode//DictComprehensionAppendNode")
+@cython.test_fail_if_path_exists(
+    "//ComprehensionNode//ComprehensionAppendNode",
+    "//SimpleCallNode//ComprehensionNode")
+@cython.test_assert_path_exists(
+    "//ComprehensionNode",
+    "//ComprehensionNode//DictComprehensionAppendNode")
 def smoketest_list():
     return dict([ (x+2,x*2)
                   for x in range(5)

tests/run/enumerate_T316.pyx

@@ -65,24 +65,24 @@ __doc__ = u"""
 
 cimport cython
 
-@cython.testFailIfPathExists("//SimpleCallNode//NameNode[@name = 'enumerate']")
+@cython.test_fail_if_path_exists("//SimpleCallNode//NameNode[@name = 'enumerate']")
 def go_py_enumerate():
     for i,k in enumerate(range(1,5)):
         print i, k
 
-@cython.testFailIfPathExists("//SimpleCallNode//NameNode[@name = 'enumerate']")
+@cython.test_fail_if_path_exists("//SimpleCallNode//NameNode[@name = 'enumerate']")
 def go_c_enumerate():
     cdef int i,k
     for i,k in enumerate(range(1,5)):
         print i, k
 
-@cython.testFailIfPathExists("//SimpleCallNode//NameNode[@name = 'enumerate']")
+@cython.test_fail_if_path_exists("//SimpleCallNode//NameNode[@name = 'enumerate']")
 def go_c_enumerate_step():
     cdef int i,k
     for i,k in enumerate(range(1,7,2)):
         print i, k
 
-@cython.testFailIfPathExists("//SimpleCallNode//NameNode[@name = 'enumerate']")
+@cython.test_fail_if_path_exists("//SimpleCallNode//NameNode[@name = 'enumerate']")
 def py_enumerate_dict(dict d):
     cdef int i = 55
     k = 99
@@ -90,7 +90,7 @@ def py_enumerate_dict(dict d):
         print i, k
     print u"::", i, k
 
-@cython.testFailIfPathExists("//SimpleCallNode")
+@cython.test_fail_if_path_exists("//SimpleCallNode")
 def py_enumerate_break(*t):
     i,k = 55,99
     for i,k in enumerate(t):
@@ -98,7 +98,7 @@ def py_enumerate_break(*t):
         break
     print u"::", i, k
 
-@cython.testFailIfPathExists("//SimpleCallNode")
+@cython.test_fail_if_path_exists("//SimpleCallNode")
 def py_enumerate_return(*t):
     i,k = 55,99
     for i,k in enumerate(t):
@@ -106,7 +106,7 @@ def py_enumerate_return(*t):
         return
     print u"::", i, k
 
-@cython.testFailIfPathExists("//SimpleCallNode")
+@cython.test_fail_if_path_exists("//SimpleCallNode")
 def py_enumerate_continue(*t):
     i,k = 55,99
     for i,k in enumerate(t):
@@ -114,7 +114,7 @@ def py_enumerate_continue(*t):
         continue
     print u"::", i, k
 
-@cython.testFailIfPathExists("//SimpleCallNode//NameNode[@name = 'enumerate']")
+@cython.test_fail_if_path_exists("//SimpleCallNode//NameNode[@name = 'enumerate']")
 def empty_c_enumerate():
     cdef int i = 55, k = 99
     for i,k in enumerate(range(0)):
@@ -126,12 +126,12 @@ def single_target_enumerate():
     for t in enumerate(range(1,5)):
         print t[0], t[1]
 
-@cython.testFailIfPathExists("//SimpleCallNode//NameNode[@name = 'enumerate']")
+@cython.test_fail_if_path_exists("//SimpleCallNode//NameNode[@name = 'enumerate']")
 def multi_enumerate():
     for a,(b,(c,d)) in enumerate(enumerate(enumerate(range(1,5)))):
         print a,b,c,d
 
-@cython.testFailIfPathExists("//SimpleCallNode")
+@cython.test_fail_if_path_exists("//SimpleCallNode")
 def multi_c_enumerate():
     cdef int a,b,c,d
     for a,(b,(c,d)) in enumerate(enumerate(enumerate(range(1,5)))):

tests/run/for_in_range_T372.pyx

@@ -15,8 +15,8 @@ __doc__ = u"""
 
 cimport cython
 
-@cython.testAssertPathExists("//ForFromStatNode")
-@cython.testFailIfPathExists("//ForInStatNode")
+@cython.test_assert_path_exists("//ForFromStatNode")
+@cython.test_fail_if_path_exists("//ForInStatNode")
 def test_modify():
     cdef int i, n = 5
     for i in range(n):
@@ -25,8 +25,8 @@ def test_modify():
     print
     return i,n
 
-@cython.testAssertPathExists("//ForFromStatNode")
-@cython.testFailIfPathExists("//ForInStatNode")
+@cython.test_assert_path_exists("//ForFromStatNode")
+@cython.test_fail_if_path_exists("//ForInStatNode")
 def test_fix():
     cdef int i
     for i in range(5):
@@ -34,8 +34,8 @@ def test_fix():
     print
     return i
 
-@cython.testAssertPathExists("//ForFromStatNode")
-@cython.testFailIfPathExists("//ForInStatNode")
+@cython.test_assert_path_exists("//ForFromStatNode")
+@cython.test_fail_if_path_exists("//ForInStatNode")
 def test_break():
     cdef int i, n = 5
     for i in range(n):
@@ -46,8 +46,8 @@ def test_break():
     print
     return i,n
 
-@cython.testAssertPathExists("//ForFromStatNode")
-@cython.testFailIfPathExists("//ForInStatNode")
+@cython.test_assert_path_exists("//ForFromStatNode")
+@cython.test_fail_if_path_exists("//ForInStatNode")
 def test_return():
     cdef int i, n = 5
     for i in range(n):

tests/run/setcomp.pyx

@@ -27,9 +27,9 @@ def smoketest_set():
              for x in range(5)
              if x % 2 == 0 }
 
-@cython.testFailIfPathExists("//SimpleCallNode//ComprehensionNode")
-@cython.testAssertPathExists("//ComprehensionNode",
-                             "//ComprehensionNode//ComprehensionAppendNode")
+@cython.test_fail_if_path_exists("//SimpleCallNode//ComprehensionNode")
+@cython.test_assert_path_exists("//ComprehensionNode",
+                                "//ComprehensionNode//ComprehensionAppendNode")
 def smoketest_list():
     return set([ x*2
                  for x in range(5)