Quelle test_util_templates.py Sprache: Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import unittest

import mozunit
from taskgraph.util.templates import merge, merge_to

class MergeTest(unittest.TestCase):
    def test_merge_to_dicts(self):
        source = {"a": 1, "b": 2}
        dest = {"b": "20", "c": 30}
        expected = {
            "a": 1,  # source only
            "b": 2,  # source overrides dest
            "c": 30,  # dest only
        }
        self.assertEqual(merge_to(source, dest), expected)
        self.assertEqual(dest, expected)

    def test_merge_to_lists(self):
        source = {"x": [3, 4]}
        dest = {"x": [1, 2]}
        expected = {"x": [1, 2, 3, 4]}  # dest first
        self.assertEqual(merge_to(source, dest), expected)
        self.assertEqual(dest, expected)

    def test_merge_diff_types(self):
        source = {"x": [1, 2]}
        dest = {"x": "abc"}
        expected = {"x": [1, 2]}  # source wins
        self.assertEqual(merge_to(source, dest), expected)
        self.assertEqual(dest, expected)

    def test_merge(self):
        first = {"a": 1, "b": 2, "d": 11}
        second = {"b": 20, "c": 30}
        third = {"c": 300, "d": 400}
        expected = {
            "a": 1,
            "b": 20,
            "c": 300,
            "d": 400,
        }
        self.assertEqual(merge(first, second, third), expected)

        # inputs haven't changed..
        self.assertEqual(first, {"a": 1, "b": 2, "d": 11})
        self.assertEqual(second, {"b": 20, "c": 30})
        self.assertEqual(third, {"c": 300, "d": 400})

    def test_merge_by(self):
        source = {
            "x": "abc",
            "y": {"by-foo": {"quick": "fox", "default": ["a", "b", "c"]}},
        }
        dest = {"y": {"by-foo": {"purple": "rain", "default": ["x", "y", "z"]}}}
        expected = {
            "x": "abc",
            "y": {"by-foo": {"quick": "fox", "default": ["a", "b", "c"]}},
        }  # source wins
        self.assertEqual(merge_to(source, dest), expected)
        self.assertEqual(dest, expected)

    def test_merge_multiple_by(self):
        source = {"x": {"by-foo": {"quick": "fox", "default": ["a", "b", "c"]}}}
        dest = {"x": {"by-bar": {"purple": "rain", "default": ["x", "y", "z"]}}}
        expected = {
            "x": {"by-foo": {"quick": "fox", "default": ["a", "b", "c"]}}
        }  # source wins
        self.assertEqual(merge_to(source, dest), expected)

if __name__ == "__main__":
    mozunit.main()

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