more changes to Module, more tests

theano/compile/tests/test_module.py

@@ -267,6 +267,7 @@ class T_module(unittest.TestCase):
 
         def get_element(i):
             return [i.x,i.lx[0],i.tx[0],i.dx['x'],i.llx[0][0], i.llx[1][0], i.ltx[0][0], i.ldx[0]['x'], i.tlx[0][0], i.tlx[0][0], i.tdx[0]['x'], i.dlx['x'][0], i.dtx['x'][0], i.ddx['x']['x']]
+
         m1=Module()
         m2=Module()
         x=T.dscalar()
@@ -393,7 +394,13 @@ class T_module(unittest.TestCase):
         assert isinstance(inst.dy['y'],theano.compile.function_module.Function)
         assert isinstance(inst.tty[0][0],theano.compile.function_module.Function)
 
-        print >> sys.stderr, "MODULE TEST IMPLEMENTED BUT WE DON'T KNOW WHAT WE WANT AS A RESULT"
+
+        assert m1.y is m1.ly[0]
+        assert inst.y is inst.ly[0]
+        assert inst.y is inst.lly[0][0]
+        assert inst.y is inst.ty[0]
+        assert inst.y is inst.tty[0][0]
+        assert inst.y is inst.dy['y']
 
     def test_member_method_inputs(self):
         """Test that module Members can be named as Method inputs, in which case the function will
@@ -416,7 +423,6 @@ class T_module(unittest.TestCase):
         assert m.y == 77
         assert m.x == 1000
 
-
     def test_member_input_flags(self):
         """Test that we can manipulate the mutable, strict, etc. flags (see SymbolicInput) of
         Method inputs"""
@@ -448,20 +454,30 @@ class T_module(unittest.TestCase):
         m.f([3, 2])
         assert numpy.all(v0 != v0_copy)
 
-
-    def test_sanity_check_mode(self):
-        """Test that Module.make(self) can take the same list of Modes that function can, so we can
-        debug modules"""
-        print >> sys.stderr, "WARNING MODULE TEST NOT IMPLEMENTED"
-
     def test_member_value(self):
         """Test that module Members of Value work correctly. As Result?"""
-        print >> sys.stderr, "WARNING MODULE TEST NOT IMPLEMENTED"
+        M = Module()
+        x = T.dscalar()
+        M.y = T.value(40)
+        M.f = Method([x], x + 2 * M.y)
+        m = M.make()
+        m.y = 80
+        assert m.f(20) == 180
 
     def test_member_constant(self):
         """Test that module Members of Constant work correctly.
         As Result with more optimization?"""
-        print >> sys.stderr, "WARNING MODULE TEST NOT IMPLEMENTED"
+        M = Module()
+        x = T.dscalar()
+        M.y = T.constant(40)
+        M.f = Method([x], x + 2 * M.y)
+        m = M.make()
+        try:
+            m.y = 77 #fail?
+            assert 0 #assign to constant should not have worked
+        except:
+            pass
+        assert m.f(20) == 100
 
     def test_raise_NotImplemented(self):
         c=Component()
@@ -476,7 +492,7 @@ class T_module(unittest.TestCase):
         self.assertRaises(NotImplementedError, c.get,"n")
         self.assertRaises(NotImplementedError, c.set,"n",1)
 
-    def test_tuple_members(self):
+def test_tuple_members():
 
     M = Module()
     M.a = (1,1)
@@ -489,6 +505,60 @@ class T_module(unittest.TestCase):
     assert isinstance(M.a, tuple)
 
 
+def test_method_updates():
+
+    # updates work
+    M = Module()
+    M.x = T.dvector()
+    x = T.dvector()
+    xval= numpy.asarray([0, 0.5])
+    M.f = Method([x], M.x*4, updates={M.x:M.x * 2}, mode='FAST_COMPILE')
+    m = M.make(mode='FAST_RUN')
+    m.x = xval
+    m.f([9,9])
+    assert numpy.all(m.x == [0, 1])
+    assert numpy.all(xval == [0, 0.5])
+
+    # In(update) works
+    M = Module()
+    M.x = T.dvector()
+    x = T.dvector()
+    M.f = Method([x, io.In(M.x, value=xval, update=M.x*2)], M.x*4)
+    m = M.make()
+    m.f([9,9])
+    assert m.x is None
+    assert numpy.all(xval == [0, 1])
+
+
+    # when a result is listed explicitly and in an update, then there's a problem.
+    M = Module()
+    M.x = T.dvector()
+    x = T.dvector()
+    M.f = Method([x, io.In(M.x, value=xval, update=M.x*2)], M.x*4,
+            updates={M.x:M.x * 7})
+    try:
+        m = M.make()
+        assert False
+    except ValueError, e:
+        if str(e[0]).startswith('Result listed in both inputs and up'):
+            pass
+        else:
+            raise
+
+def test_method_mode():
+    """Test that Methods can override the module build mode"""
+
+    M = Module()
+    M.x = T.dvector()
+    M.f = Method([M.x], M.x*4, mode='FAST_COMPILE')
+    M.g = Method([M.x], M.x*4)
+    M.h = Method([M.x], M.x*4)
+    m = M.make(mode='FAST_RUN')
+
+    assert m.f.maker.mode != m.g.maker.mode
+    assert m.h.maker.mode == m.g.maker.mode
+    assert numpy.all(m.f([1,2]) == m.g([1,2]))
+
 def test_pickle():
     """Test that a module can be pickled"""
     M = Module()