sublist_test.py

# These tests are auto-generated with test data from:
# https://github.com/exercism/problem-specifications/tree/main/exercises/sublist/canonical-data.json
# File last updated on 2023-07-19

import unittest

from sublist import (
    sublist,
    SUBLIST,
    SUPERLIST,
    EQUAL,
    UNEQUAL,
)


class SublistTest(unittest.TestCase):
    def test_empty_lists(self):
        self.assertEqual(sublist([], []), EQUAL)

    def test_empty_list_within_non_empty_list(self):
        self.assertEqual(sublist([], [1, 2, 3]), SUBLIST)

    def test_non_empty_list_contains_empty_list(self):
        self.assertEqual(sublist([1, 2, 3], []), SUPERLIST)

    def test_list_equals_itself(self):
        self.assertEqual(sublist([1, 2, 3], [1, 2, 3]), EQUAL)

    def test_different_lists(self):
        self.assertEqual(sublist([1, 2, 3], [2, 3, 4]), UNEQUAL)

    def test_false_start(self):
        self.assertEqual(sublist([1, 2, 5], [0, 1, 2, 3, 1, 2, 5, 6]), SUBLIST)

    def test_consecutive(self):
        self.assertEqual(sublist([1, 1, 2], [0, 1, 1, 1, 2, 1, 2]), SUBLIST)

    def test_sublist_at_start(self):
        self.assertEqual(sublist([0, 1, 2], [0, 1, 2, 3, 4, 5]), SUBLIST)

    def test_sublist_in_middle(self):
        self.assertEqual(sublist([2, 3, 4], [0, 1, 2, 3, 4, 5]), SUBLIST)

    def test_sublist_at_end(self):
        self.assertEqual(sublist([3, 4, 5], [0, 1, 2, 3, 4, 5]), SUBLIST)

    def test_at_start_of_superlist(self):
        self.assertEqual(sublist([0, 1, 2, 3, 4, 5], [0, 1, 2]), SUPERLIST)

    def test_in_middle_of_superlist(self):
        self.assertEqual(sublist([0, 1, 2, 3, 4, 5], [2, 3]), SUPERLIST)

    def test_at_end_of_superlist(self):
        self.assertEqual(sublist([0, 1, 2, 3, 4, 5], [3, 4, 5]), SUPERLIST)

    def test_first_list_missing_element_from_second_list(self):
        self.assertEqual(sublist([1, 3], [1, 2, 3]), UNEQUAL)

    def test_second_list_missing_element_from_first_list(self):
        self.assertEqual(sublist([1, 2, 3], [1, 3]), UNEQUAL)

    def test_first_list_missing_additional_digits_from_second_list(self):
        self.assertEqual(sublist([1, 2], [1, 22]), UNEQUAL)

    def test_order_matters_to_a_list(self):
        self.assertEqual(sublist([1, 2, 3], [3, 2, 1]), UNEQUAL)

    def test_same_digits_but_different_numbers(self):
        self.assertEqual(sublist([1, 0, 1], [10, 1]), UNEQUAL)

    # Additional tests for this track
    def test_unique_return_values(self):
        self.assertEqual(len(set([SUBLIST, SUPERLIST, EQUAL, UNEQUAL])), 4)

    def test_inner_spaces(self):
        self.assertEqual(sublist(["a c"], ["a", "c"]), UNEQUAL)

    def test_large_lists(self):
        self.assertEqual(
            sublist(
                list(range(1000)) * 1000 + list(range(1000, 1100)),
                list(range(900, 1050)),
            ),
            SUPERLIST,
        )

    def test_spread_sublist(self):
        self.assertEqual(
            sublist(list(range(3, 200, 3)), list(range(15, 200, 15))), UNEQUAL
        )