# -*- coding: utf-8 -*-

"""Tests for parsing utilities."""

import unittest

import networkx as nx

from pybel.utils import subdict_matches
from tests.constants import any_subdict_matches


class TestSubdictMatching(unittest.TestCase):
    """Tests for matching sub-dictionaries."""

    def test_dict_matches_1(self):
        target = {"k1": "v1", "k2": "v2"}
        query = {"k1": "v1", "k2": "v2"}
        self.assertTrue(subdict_matches(target, query))

    def test_dict_matches_2(self):
        target = {"k1": "v1", "k2": "v2", "k3": "v3"}
        query = {"k1": "v1", "k2": "v2"}
        self.assertTrue(subdict_matches(target, query))

    def test_dict_matches_3(self):
        target = {
            "k1": "v1",
        }
        query = {"k1": "v1", "k2": "v2"}
        self.assertFalse(subdict_matches(target, query))

    def test_dict_matches_4(self):
        target = {"k1": "v1", "k2": "v4", "k3": "v3"}
        query = {"k1": "v1", "k2": "v2"}
        self.assertFalse(subdict_matches(target, query))

    def test_dict_matches_5(self):
        target = {"k1": "v1", "k2": "v2"}
        query = {"k1": "v1", "k2": ["v2", "v3"]}
        self.assertTrue(subdict_matches(target, query))

    def test_dict_matches_6(self):
        target = {"k1": "v1", "k2": ["v2", "v3"]}
        query = {"k1": "v1", "k2": "v4"}
        self.assertFalse(subdict_matches(target, query))

    def test_dict_matches_7_partial(self):
        """Tests a partial match"""
        target = {"k1": "v1", "k2": "v2"}
        query = {"k1": "v1", "k2": {"v2": "v3"}}

        self.assertFalse(subdict_matches(target, query))

    def test_dict_matches_7_exact(self):
        """Test a partial match."""
        target = {"k1": "v1", "k2": "v2"}
        query = {"k1": "v1", "k2": {"v2": "v3"}}

        self.assertFalse(subdict_matches(target, query, partial_match=False))

    def test_dict_matches_8_partial(self):
        """Test a partial match."""
        target = {"k1": "v1", "k2": {"v2": "v3", "v4": "v5"}}
        query = {"k1": "v1", "k2": {"v2": "v3"}}

        self.assertTrue(subdict_matches(target, query))

    def test_dict_matches_graph(self):
        """Test matching a graph."""
        g = nx.MultiDiGraph()

        g.add_node(1)
        g.add_node(2)
        g.add_edge(1, 2, relation="yup")
        g.add_edge(1, 2, relation="nope")

        d = {"relation": "yup"}

        self.assertTrue(any_subdict_matches(g[1][2], d))