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"""Unit tests for buildscripts.patch_builds.change_data.py."""
from __future__ import absolute_import
import os
import unittest
from mock import patch, MagicMock
import buildscripts.patch_builds.change_data as under_test
# pylint: disable=missing-docstring
NS = "buildscripts.patch_builds.change_data"
def ns(relative_name): # pylint: disable=invalid-name
"""Return a full name from a name relative to the test module"s name space."""
return NS + "." + relative_name
class TestFindChangedFilesInRepos(unittest.TestCase):
@patch(ns("find_changed_files"))
def test_nothing_found(self, changed_files_mock):
repos_mock = [MagicMock()]
changed_files_mock.return_value = set()
self.assertEqual(0, len(under_test.find_changed_files_in_repos(repos_mock)))
@patch(ns("find_changed_files"))
def test_changed_files_in_multiple_repos(self, changed_files_mock):
repos_mock = [MagicMock(), MagicMock()]
first_repo_file_changes = [
os.path.join("jstests", "test1.js"),
os.path.join("jstests", "test1.cpp"),
]
second_repo_file_changes = [
os.path.join("jstests", "test2.js"),
]
changed_files_mock.side_effect = [first_repo_file_changes, second_repo_file_changes]
self.assertEqual(3, len(under_test.find_changed_files_in_repos(repos_mock)))
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