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155 lines
3.2 KiB
Python
155 lines
3.2 KiB
Python
import sys
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import os
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sys.path.append(os.path.dirname(os.path.dirname((__file__))))
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from testlib import *
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# These are defined so that we can evaluate the test code.
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NONSOURCE = "not a source"
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SOURCE = "source"
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def is_source(x):
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return x == "source" or x == b"source" or x == 42 or x == 42.0 or x == 42j
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def SINK(x):
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if is_source(x):
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print("OK")
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else:
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print("Unexpected flow", x)
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def SINK_F(x):
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if is_source(x):
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print("Unexpected flow", x)
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else:
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print("OK")
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# ------------------------------------------------------------------------------
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# Actual tests
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# ------------------------------------------------------------------------------
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class MyObj(object):
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def __init__(self, foo):
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self.foo = foo
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def setFoo(self, foo):
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self.foo = foo
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def setFoo(obj, x):
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SINK_F(obj.foo)
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obj.foo = x
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@expects(2)
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def test_indirect_assign():
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myobj = MyObj("OK")
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setFoo(myobj, SOURCE)
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SINK(myobj.foo) # $ flow="SOURCE, l:-1 -> myobj.foo"
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def test_indirect_assign_method():
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myobj = MyObj("OK")
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myobj.setFoo(SOURCE)
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SINK(myobj.foo) # $ MISSING: flow
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def test_direct_assign():
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myobj = MyObj(NONSOURCE)
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myobj.foo = SOURCE
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SINK(myobj.foo) # $ flow="SOURCE, l:-1 -> myobj.foo"
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def test_direct_assign_overwrite():
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myobj = MyObj(NONSOURCE)
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myobj.foo = SOURCE
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myobj.foo = NONSOURCE
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SINK_F(myobj.foo)
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def test_direct_if_assign(cond = False):
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myobj = MyObj(NONSOURCE)
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myobj.foo = SOURCE
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if cond:
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myobj.foo = NONSOURCE
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SINK_F(myobj.foo)
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SINK(myobj.foo) # $ flow="SOURCE, l:-4 -> myobj.foo"
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@expects(2)
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def test_direct_if_always_assign(cond = True):
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myobj = MyObj(NONSOURCE)
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myobj.foo = SOURCE
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if cond:
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myobj.foo = NONSOURCE
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SINK_F(myobj.foo)
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else:
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myobj.foo = NONSOURCE
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SINK_F(myobj.foo)
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SINK_F(myobj.foo)
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def test_getattr():
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myobj = MyObj(NONSOURCE)
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myobj.foo = SOURCE
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SINK(getattr(myobj, "foo")) # $ MISSING: flow
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def test_setattr():
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myobj = MyObj(NONSOURCE)
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setattr(myobj, "foo", SOURCE)
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SINK(myobj.foo) # $ MISSING: flow
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def test_setattr_getattr():
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myobj = MyObj(NONSOURCE)
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setattr(myobj, "foo", SOURCE)
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SINK(getattr(myobj, "foo")) # $ MISSING: flow
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def test_constructor_assign():
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obj = MyObj(SOURCE)
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SINK(obj.foo) # $ flow="SOURCE, l:-1 -> obj.foo"
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def test_constructor_assign_kw():
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obj = MyObj(foo=SOURCE)
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SINK(obj.foo) # $ flow="SOURCE, l:-1 -> obj.foo"
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def fields_with_local_flow(x):
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obj = MyObj(x)
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a = obj.foo
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return a
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def test_fields():
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SINK(fields_with_local_flow(SOURCE)) # $ flow="SOURCE -> fields_with_local_flow(..)"
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# ------------------------------------------------------------------------------
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# Nested Object
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# ------------------------------------------------------------------------------
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class NestedObj(object):
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def __init__(self):
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self.obj = MyObj("OK")
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def getObj(self):
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return self.obj
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def test_nested_obj():
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x = SOURCE
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a = NestedObj()
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a.obj.foo = x
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SINK(a.obj.foo) # $ flow="SOURCE, l:-3 -> a.obj.foo"
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def test_nested_obj_method():
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x = SOURCE
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a = NestedObj()
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a.getObj().foo = x
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SINK(a.obj.foo) # $ MISSING: flow
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