Author: Carl Friedrich Bolz <cfb...@gmx.de>
Branch: hypothesis-apptest
Changeset: r85074:1fb5d21e02ba
Date: 2016-06-09 14:42 +0200
http://bitbucket.org/pypy/pypy/changeset/1fb5d21e02ba/
Log: try to make it possible to test applevel functions (and soon
methods) with hypothesis. Limited to one argument for now.
diff --git a/pypy/interpreter/gateway.py b/pypy/interpreter/gateway.py
--- a/pypy/interpreter/gateway.py
+++ b/pypy/interpreter/gateway.py
@@ -1121,7 +1121,7 @@
if not isinstance(source, str):
flags = source.__code__.co_flags
source = py.std.inspect.getsource(source).lstrip()
- while source.startswith(('@py.test.mark.', '@pytest.mark.')):
+ while source.startswith(('@py.test.mark.', '@pytest.mark.',
'@app_hypothesis_given')):
# these decorators are known to return the same function
# object, we may ignore them
assert '\n' in source
diff --git a/pypy/objspace/std/test/test_mapdict.py
b/pypy/objspace/std/test/test_mapdict.py
--- a/pypy/objspace/std/test/test_mapdict.py
+++ b/pypy/objspace/std/test/test_mapdict.py
@@ -1,5 +1,6 @@
from pypy.objspace.std.test.test_dictmultiobject import FakeSpace, W_DictObject
from pypy.objspace.std.mapdict import *
+from pypy.tool.pytest.appsupport import app_hypothesis_given
class Config:
class objspace:
diff --git a/pypy/tool/pytest/appsupport.py b/pypy/tool/pytest/appsupport.py
--- a/pypy/tool/pytest/appsupport.py
+++ b/pypy/tool/pytest/appsupport.py
@@ -11,6 +11,21 @@
# ____________________________________________________________
+def app_hypothesis_given(arg1):
+ from hypothesis import given
+ def decorator(func):
+ @given(arg1)
+ def inner(space, original, arg1):
+ return original(space, space.wrap(arg1))
+
+ @given(arg1)
+ def appdirect(arg1):
+ return func(arg1)
+ appdirect.hypothesis_inner = inner
+ appdirect.original_function = func
+ return appdirect
+ return decorator
+
class AppCode(object):
def __init__(self, space, pycode):
self.code = pycode
diff --git a/pypy/tool/pytest/apptest.py b/pypy/tool/pytest/apptest.py
--- a/pypy/tool/pytest/apptest.py
+++ b/pypy/tool/pytest/apptest.py
@@ -51,10 +51,17 @@
if self.config.option.runappdirect:
return target()
space = gettestobjspace()
- filename = self._getdynfilename(target)
- func = app2interp_temp(target, filename=filename)
+ if hasattr(target, 'hypothesis_inner'):
+ filename = self._getdynfilename(target.original_function)
+ original = app2interp_temp(target.original_function,
filename=filename)
+ func = target.hypothesis_inner
+ args = (space, original)
+ else:
+ filename = self._getdynfilename(target)
+ args = (space, )
+ func = app2interp_temp(target, filename=filename)
print "executing", func
- self.execute_appex(space, func, space)
+ self.execute_appex(space, func, *args)
def repr_failure(self, excinfo):
if excinfo.errisinstance(AppError):
diff --git a/pypy/tool/pytest/test/test_hypothesis.py
b/pypy/tool/pytest/test/test_hypothesis.py
new file mode 100644
--- /dev/null
+++ b/pypy/tool/pytest/test/test_hypothesis.py
@@ -0,0 +1,12 @@
+from pypy.tool.pytest.appsupport import app_hypothesis_given
+import hypothesis.strategies as strategies
+
+
+# test for the app-test hypothesis support
+
+@app_hypothesis_given(strategies.floats(min_value=1.0, max_value=2.0))
+def app_test_floats(f):
+ assert 1.0 <= f <= 2.0
+ assert f == f # not a NaN
+
+
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