Revert "Reorganization"

This reverts commit f44c888a

state/test/test_create_dict.py

@@ -0,0 +1,41 @@
+import pytest
+
+
+@pytest.mark.usefixtures("state")
+def test_create_dict_simple(state):
+    id1 = state.create_node()
+    id2 = state.create_node()
+    assert id1 is not None
+    assert id2 is not None
+
+    n = state.create_dict(id1, "abc", id2)
+    assert n is None
+
+    v = state.read_dict(id1, "abc")
+    assert v == id2
+
+
+@pytest.mark.usefixtures("state")
+def test_create_dict_no_source(state):
+    id1 = 100000
+    id2 = state.create_node()
+    assert id2 is not None
+
+    n = state.create_dict(id1, "abc", id2)
+    assert n is None
+
+    v = state.read_dict(id1, "abc")
+    assert v is None
+
+
+@pytest.mark.usefixtures("state")
+def test_create_dict_no_target(state):
+    id2 = 100000
+    id1 = state.create_node()
+    assert id1 is not None
+
+    n = state.create_dict(id1, "abc", id2)
+    assert n is None
+
+    v = state.read_dict(id1, "abc")
+    assert v is None