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# 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 os
import os.path
import unittest
from shutil import rmtree
from tempfile import mkdtemp
import mozunit
from mozbuild.action.buildlist import addEntriesToListFile
class TestBuildList(unittest.TestCase):
"""
Unit tests for buildlist.py
"""
def setUp(self):
self.tmpdir = mkdtemp()
def tearDown(self):
rmtree(self.tmpdir)
# utility methods for tests
def touch(self, file, dir=None):
if dir is None:
dir = self.tmpdir
f = os.path.join(dir, file)
open(f, "w").close()
return f
def assertFileContains(self, filename, l):
"""Assert that the lines in the file |filename| are equal
to the contents of the list |l|, in order."""
l = l[:]
f = open(filename, "r")
lines = [line.rstrip() for line in f.readlines()]
f.close()
for line in lines:
self.assertTrue(
len(l) > 0,
"ran out of expected lines! (expected '{0}', got '{1}')".format(
l, lines
),
)
self.assertEqual(line, l.pop(0))
self.assertTrue(
len(l) == 0,
"not enough lines in file! (expected '{0}'," " got '{1}'".format(l, lines),
)
def test_basic(self):
"Test that addEntriesToListFile works when file doesn't exist."
testfile = os.path.join(self.tmpdir, "test.list")
l = ["a", "b", "c"]
addEntriesToListFile(testfile, l)
self.assertFileContains(testfile, l)
# ensure that attempting to add the same entries again doesn't change it
addEntriesToListFile(testfile, l)
self.assertFileContains(testfile, l)
def test_append(self):
"Test adding new entries."
testfile = os.path.join(self.tmpdir, "test.list")
l = ["a", "b", "c"]
addEntriesToListFile(testfile, l)
self.assertFileContains(testfile, l)
l2 = ["x", "y", "z"]
addEntriesToListFile(testfile, l2)
l.extend(l2)
self.assertFileContains(testfile, l)
def test_append_some(self):
"Test adding new entries mixed with existing entries."
testfile = os.path.join(self.tmpdir, "test.list")
l = ["a", "b", "c"]
addEntriesToListFile(testfile, l)
self.assertFileContains(testfile, l)
addEntriesToListFile(testfile, ["a", "x", "c", "z"])
self.assertFileContains(testfile, ["a", "b", "c", "x", "z"])
def test_add_multiple(self):
"""Test that attempting to add the same entry multiple times results in
only one entry being added."""
testfile = os.path.join(self.tmpdir, "test.list")
addEntriesToListFile(testfile, ["a", "b", "a", "a", "b"])
self.assertFileContains(testfile, ["a", "b"])
addEntriesToListFile(testfile, ["c", "a", "c", "b", "c"])
self.assertFileContains(testfile, ["a", "b", "c"])
if __name__ == "__main__":
mozunit.main()
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