Interpret assignments while examining asserts corrects

fixes #105

--HG--
branch : trunk

CHANGELOG

@@ -34,6 +34,7 @@ New features
 Bug fixes / Maintenance
 ++++++++++++++++++++++++++
 
+- fix issue105 assignment on the same line as a failing assertion
 - fix issue104 proper escaping for test names in junitxml plugin
 - fix issue57 -f|--looponfail to work with xpassing tests
 - fix pyimport() to work with directories

py/_code/_assertionnew.py

@@ -324,10 +324,11 @@ class DebugInterpreter(ast.NodeVisitor):
     def visit_Assign(self, assign):
         value_explanation, value_result = self.visit(assign.value)
         explanation = "... = %s" % (value_explanation,)
-        name = ast.Name("__exprinfo_expr", ast.Load(), assign.value.lineno,
+        name = ast.Name("__exprinfo_expr", ast.Load(),
-                        assign.value.col_offset)
+                        lineno=assign.value.lineno,
-        new_assign = ast.Assign(assign.targets, name, assign.lineno,
+                        col_offset=assign.value.col_offset)
-                                assign.col_offset)
+        new_assign = ast.Assign(assign.targets, name, lineno=assign.lineno,
+                                col_offset=assign.col_offset)
         mod = ast.Module([new_assign])
         co = self._compile(mod, "exec")
         try:

testing/code/test_assertion.py

@@ -139,6 +139,13 @@ def test_assert_with_brokenrepr_arg():
     if e.msg.find("broken __repr__") == -1:
         py.test.fail("broken __repr__ not handle correctly")
 
+def test_multiple_statements_per_line():
+    try:
+        a = 1; assert a == 2
+    except AssertionError:
+        e = exvalue()
+        assert "assert 1 == 2" in e.msg
+
 
 class TestView: