# -*- coding: utf-8 -*-
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import unittest
from dict_compare import *


class DictCompareTestCase(unittest.TestCase):
    def test_basic(self):
        d1 = dict(a='foo')
        d2 = dict(a='foo')
        self.assertTrue(dict_compare(d1, d2)[0])
        torf, txt = dict_compare(d1, dict(a='bar'))
        self.assertFalse(torf)
        self.assertEqual("""--- dict1
+++ dict2

< dict1.a: foo
> dict2.a: bar
""", txt)

    def test_add(self):
        d1 = dict(a='foo', b=1, c=[1, 2, 3])
        self.assertEqual("""--- a and b
+++ empty

+  a and b.a: foo
+  a and b.b: 1
+  a and b.c: [1, 2, 3]
""", dict_compare(d1, dict(), "a and b", "empty")[1])

    def test_depth(self):
        d1 = dict(a=dict(b=dict(c="c1", d="d1")))
        self.assertEqual("""--- deep1
+++ deep2

+  deep1.a.b.d: d1
""", dict_compare(d1, dict(a=dict(b=dict(c="c1"))), "deep1", "deep2")[1])

    def test_filtr(self):
        d1 = dict(a='foo', b=dict(c=1, d=2), f=dict(c=1, d=17), d=111)
        d2 = dict(a='bar', b=dict(c=0, d=3), f=dict(c=1, d=17), d=43)

        def filtr(kv1, kv2) -> bool:
            return (kv1 and kv1[0].split('.')[-1] == 'd') or (kv2 and kv2[0].split('.')[-1] == 'd')

        self.assertEqual("""--- dict1
+++ dict2

< dict1.a: foo
> dict2.a: bar
< dict1.b.c: 1
> dict2.b.c: 0
""", dict_compare(d1, d2, filtr=filtr)[1])

    def test_ordering(self):
        d1 = dict(a=['andy', 'john', dict(rel='brothers')])
        d2 = dict(a=['john', 'andy', dict(rel='brothers')])
        self.assertEqual(dict_compare(d1, d2), (False, "--- dict1\n+++ dict2\n\n"
                                                       "<ordering> dict1.a: ['andy', 'john', {'rel': 'brothers'}]\n\n"
                                                       "           dict2.a: ['john', 'andy', {'rel': 'brothers'}]\n\n"))
        d2['a'][2]['rel'] = 'sisters'
        self.assertEqual(dict_compare(d1, d2), (True, "--- dict1\n+++ dict2\n\n"
                                                      "< dict1.a: ['andy', 'john', {'rel': 'brothers'}]\n"
                                                      "> dict2.a: ['john', 'andy', {'rel': 'sisters'}]\n"))
        d2 = dict(a=['andy', 'john', dict(rel='brothers')])
        self.assertTrue(dict_compare(d1, d2)[0])


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