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# standard imports
import unittest

# bsie imports
from bsie.utils import bsfs, ns

# objects to test
from bsie.matcher import nodes


## code ##

class TestNode(unittest.TestCase):
    def test_node(self):
        # cannot pass additional kwargs
        self.assertRaises(TypeError, nodes.Node, foo='bar')
        # may pass uri
        self.assertIsInstance(nodes.Node(uri='bar'), nodes.Node)
        self.assertEqual(nodes.Node(uri='bar').uri, 'bar')

    def test_entity(self):
        # must pass ucid
        self.assertRaises(TypeError, nodes.Entity)
        self.assertRaises(TypeError, nodes.Entity, uri='foo')
        self.assertIsInstance(nodes.Entity(ucid='foo'), nodes.Entity)
        self.assertIsInstance(nodes.Entity(ucid='bar'), nodes.Entity)
        # cannot pass additional kwargs
        self.assertRaises(TypeError, nodes.Entity, ucid='foo', foo='bar')
        # may pass uri
        self.assertIsInstance(nodes.Entity(ucid='foo', uri='bar'), nodes.Entity)
        self.assertEqual(nodes.Entity(ucid='foo', uri='bar').uri, 'bar')
        # has node_type
        self.assertEqual(nodes.Entity(ucid='foo').node_type, ns.bsn.Entity)

    def test_face(self):
        # must pass ucid
        self.assertRaises(TypeError, nodes.Face)
        self.assertRaises(TypeError, nodes.Face, uri='foo')
        self.assertIsInstance(nodes.Face(ucid='foo'), nodes.Face)
        self.assertIsInstance(nodes.Face(ucid='bar'), nodes.Face)
        # cannot pass additional kwargs
        self.assertRaises(TypeError, nodes.Face, ucid='foo', foo='bar')
        # may pass uri
        self.assertIsInstance(nodes.Face(ucid='foo', uri='bar'), nodes.Face)
        self.assertEqual(nodes.Face(ucid='foo', uri='bar').uri, 'bar')
        # has node_type
        self.assertEqual(nodes.Face(ucid='foo').node_type, ns.bsn.Face)

    def test_person(self):
        # cannot pass additional kwargs
        self.assertRaises(TypeError, nodes.Person, foo='bar')
        # may pass uri
        self.assertIsInstance(nodes.Person(uri='bar'), nodes.Person)
        self.assertEqual(nodes.Person(uri='bar').uri, 'bar')
        # has node_type
        self.assertEqual(nodes.Person().node_type, ns.bsn.Person)

    def test_preview(self):
        # must pass ucid and size
        self.assertRaises(TypeError, nodes.Preview)
        self.assertRaises(TypeError, nodes.Preview, ucid='foo')
        self.assertRaises(TypeError, nodes.Preview, size=123)
        self.assertRaises(TypeError, nodes.Preview, ucid='foo', uri='foo')
        self.assertRaises(TypeError, nodes.Preview, size=123, uri='foo')
        self.assertIsInstance(nodes.Preview(ucid='foo', size=123), nodes.Preview)
        self.assertIsInstance(nodes.Preview(ucid='bar', size=321), nodes.Preview)
        # cannot pass additional kwargs
        self.assertRaises(TypeError, nodes.Preview, ucid='foo', size=123, foo='bar')
        # may pass uri
        self.assertIsInstance(nodes.Preview(ucid='foo', size=123, uri='bar'), nodes.Preview)
        self.assertEqual(nodes.Preview(ucid='foo', size=123, uri='bar').uri, 'bar')
        # has node_type
        self.assertEqual(nodes.Preview(ucid='foo', size=123).node_type, ns.bsn.Preview)

    def test_tag(self):
        # must pass label
        self.assertRaises(TypeError, nodes.Tag)
        self.assertRaises(TypeError, nodes.Tag, uri='foo')
        self.assertIsInstance(nodes.Tag(label='foo'), nodes.Tag)
        self.assertIsInstance(nodes.Tag(label='bar'), nodes.Tag)
        # cannot pass additional kwargs
        self.assertRaises(TypeError, nodes.Tag, label='foo', foo='bar')
        # may pass uri
        self.assertIsInstance(nodes.Tag(label='foo', uri='bar'), nodes.Tag)
        self.assertEqual(nodes.Tag(label='foo', uri='bar').uri, 'bar')
        # has node_type
        self.assertEqual(nodes.Tag(label='foo').node_type, ns.bsn.Tag)


## main ##

if __name__ == '__main__':
    unittest.main()

## EOF ##