Implemented State

state/test/test_read_dict_node.py

@@ -0,0 +1,74 @@
+import pytest
+
+
+@pytest.mark.usefixtures("state")
+def test_read_dict_node_no_exists(state):
+    assert state.read_dict_node(-1, "abc") is None
+
+
+@pytest.mark.usefixtures("state")
+def test_read_dict_node_not_found_edge(state):
+    a = state.create_node()
+    b = state.create_node()
+    c = state.create_edge(a, b)
+    assert a is not None
+    assert b is not None
+    assert c is not None
+
+    # Passing data is not enforced, as the data will be interpreted if necessary
+    assert state.read_dict_node(c, "abc") is None
+
+
+@pytest.mark.usefixtures("state")
+def test_read_dict_node_no_primitive(state):
+    a = state.create_node()
+    assert a is not None
+
+    # Passing data is not enforced, as the data will be interpreted if necessary
+    assert state.read_dict_node(a, a) is None
+
+
+@pytest.mark.usefixtures("state")
+def test_read_dict_node_node_simple(state):
+    a = state.create_node()
+    b = state.create_node()
+    c = state.create_node()
+    d = state.create_edge(a, b)
+    e = state.create_edge(d, c)
+    assert a is not None
+    assert b is not None
+    assert c is not None
+    assert d is not None
+    assert e is not None
+
+    l = state.read_dict_node(a, c)
+    assert l == b
+
+
+@pytest.mark.usefixtures("state")
+def test_read_dict_node_multi(state):
+    a = state.create_node()
+    b = state.create_node()
+    c = state.create_node()
+    d = state.create_edge(a, b)
+    e = state.create_edge(d, c)
+    assert a is not None
+    assert b is not None
+    assert c is not None
+    assert d is not None
+    assert e is not None
+
+    g = state.create_node()
+    h = state.create_node()
+    i = state.create_edge(a, g)
+    j = state.create_edge(i, h)
+    assert g is not None
+    assert h is not None
+    assert i is not None
+    assert j is not None
+
+    l = state.read_dict_node(a, c)
+    assert l == b
+
+    l = state.read_dict_node(a, h)
+    assert l == g