Test imports

tests/utils/test_imports.py

@@ -0,0 +1,18 @@
+import sys
+
+
+def test_no_theano_import():
+    del sys.modules['theano']
+    import blocks.utils
+    assert 'theano' not in sys.modules
+    from blocks.utils import dict_union
+    assert 'theano' not in sys.modules
+    from blocks.utils import check_theano_variable
+    assert 'theano' in sys.modules
+
+
+def test_imports():
+    from blocks.utils import dict_union
+    from blocks.utils import check_theano_variable
+    from blocks.utils.utils import dict_union
+    from blocks.utils.theano_utils import check_theano_variable

tests/utils/test_utils.py

@@ -78,10 +78,3 @@ def test_find_first_and_second_and_third_level(self):
         assert self.mlp.activations[2] in found
         assert self.mlp.activations[1].children[0] in found
         assert self.mlp.activations[3].children[0].children[0]
-
-
-def test_imports():
-    from blocks.utils import dict_union
-    from blocks.utils import check_theano_variable
-    from blocks.utils.utils import dict_union
-    from blocks.utils.theano_utils import check_theano_variable