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# test_mailmap.py -- Tests for dulwich.mailmap
# Copyright (C) 2018 Jelmer Vernooij <jelmer@jelmer.uk>
#
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
# Dulwich is dual-licensed under the Apache License, Version 2.0 and the GNU
# General Public License as published by the Free Software Foundation; version 2.0
# or (at your option) any later version. You can redistribute it and/or
# modify it under the terms of either of these two licenses.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# You should have received a copy of the licenses; if not, see
# <http://www.gnu.org/licenses/> for a copy of the GNU General Public License
# and <http://www.apache.org/licenses/LICENSE-2.0> for a copy of the Apache
# License, Version 2.0.
#
"""Tests for dulwich.mailmap."""
from io import BytesIO
from unittest import TestCase
from dulwich.mailmap import Mailmap, read_mailmap
class ReadMailmapTests(TestCase):
def test_read(self) -> None:
b = BytesIO(
b"""\
Jane Doe <jane@desktop.(none)>
Joe R. Developer <joe@example.com>
# A comment
<cto@company.xx> <cto@coompany.xx> # Comment
Some Dude <some@dude.xx> nick1 <bugs@company.xx>
Other Author <other@author.xx> nick2 <bugs@company.xx>
Other Author <other@author.xx> <nick2@company.xx>
Santa Claus <santa.claus@northpole.xx> <me@company.xx>
"""
)
self.assertEqual(
[
((b"Jane Doe", b"jane@desktop.(none)"), None),
((b"Joe R. Developer", b"joe@example.com"), None),
((None, b"cto@company.xx"), (None, b"cto@coompany.xx")),
(
(b"Some Dude", b"some@dude.xx"),
(b"nick1", b"bugs@company.xx"),
),
(
(b"Other Author", b"other@author.xx"),
(b"nick2", b"bugs@company.xx"),
),
(
(b"Other Author", b"other@author.xx"),
(None, b"nick2@company.xx"),
),
(
(b"Santa Claus", b"santa.claus@northpole.xx"),
(None, b"me@company.xx"),
),
],
list(read_mailmap(b)),
)
class MailmapTests(TestCase):
def test_lookup(self) -> None:
m = Mailmap()
m.add_entry((b"Jane Doe", b"jane@desktop.(none)"), (None, None))
m.add_entry((b"Joe R. Developer", b"joe@example.com"), None)
m.add_entry((None, b"cto@company.xx"), (None, b"cto@coompany.xx"))
m.add_entry((b"Some Dude", b"some@dude.xx"), (b"nick1", b"bugs@company.xx"))
m.add_entry(
(b"Other Author", b"other@author.xx"),
(b"nick2", b"bugs@company.xx"),
)
m.add_entry((b"Other Author", b"other@author.xx"), (None, b"nick2@company.xx"))
m.add_entry(
(b"Santa Claus", b"santa.claus@northpole.xx"),
(None, b"me@company.xx"),
)
self.assertEqual(
b"Jane Doe <jane@desktop.(none)>",
m.lookup(b"Jane Doe <jane@desktop.(none)>"),
)
self.assertEqual(
b"Jane Doe <jane@desktop.(none)>",
m.lookup(b"Jane Doe <jane@example.com>"),
)
self.assertEqual(
b"Jane Doe <jane@desktop.(none)>",
m.lookup(b"Jane D. <jane@desktop.(none)>"),
)
self.assertEqual(
b"Some Dude <some@dude.xx>", m.lookup(b"nick1 <bugs@company.xx>")
)
self.assertEqual(b"CTO <cto@company.xx>", m.lookup(b"CTO <cto@coompany.xx>"))
def test_lookup_with_identity_tuple(self) -> None:
"""Test lookup using an identity tuple instead of a string."""
m = Mailmap()
m.add_entry(
(b"Real Name", b"real@example.com"), (b"Alias", b"alias@example.com")
)
# Test lookup with a tuple
self.assertEqual(
(b"Real Name", b"real@example.com"),
m.lookup((b"Alias", b"alias@example.com")),
)
# Test lookup with another tuple that doesn't match anything
self.assertEqual(
(b"Unknown", b"unknown@example.com"),
m.lookup((b"Unknown", b"unknown@example.com")),
)
def test_lookup_with_no_match(self) -> None:
"""Test lookup when no match is found."""
m = Mailmap()
m.add_entry(
(b"Real Name", b"real@example.com"), (b"Alias", b"alias@example.com")
)
# No match should return the original identity
original = b"Unknown <unknown@example.com>"
self.assertEqual(original, m.lookup(original))
def test_lookup_partial_matches(self) -> None:
"""Test lookup with partial matches (name or email only)."""
m = Mailmap()
# Add entry with only name
m.add_entry((b"Real Name", None), (b"Any Name", None))
# Add entry with only email
m.add_entry((None, b"real@example.com"), (None, b"other@example.com"))
# Match by name
self.assertEqual(
b"Real Name <any@example.com>", m.lookup(b"Any Name <any@example.com>")
)
# Match by email
self.assertEqual(
b"Any Name <real@example.com>", m.lookup(b"Any Name <other@example.com>")
)
def test_add_entry_name_or_email_only(self) -> None:
"""Test adding entries with only name or only email."""
m = Mailmap()
# Entry with only canonical name
m.add_entry((b"Real Name", None), (b"Alias", b"alias@example.com"))
# Entry with only canonical email
m.add_entry((None, b"real@example.com"), (b"Other", b"other@example.com"))
# Lookup should properly combine the identity parts
self.assertEqual(
b"Real Name <alias@example.com>", m.lookup(b"Alias <alias@example.com>")
)
self.assertEqual(
b"Other <real@example.com>", m.lookup(b"Other <other@example.com>")
)
def test_init_with_iterator(self) -> None:
"""Test initializing Mailmap with an iterator of entries."""
entries = [
((b"Real Name", b"real@example.com"), (b"Alias", b"alias@example.com")),
((b"Another", b"another@example.com"), None),
]
m = Mailmap(iter(entries))
# Verify the entries were added
self.assertEqual(
b"Real Name <real@example.com>", m.lookup(b"Alias <alias@example.com>")
)
self.assertEqual(
b"Another <another@example.com>",
m.lookup(b"Another <another@example.com>"),
)
def test_lookup_with_none_name(self) -> None:
"""Test lookup when canonical name is None (only email is canonical)."""
m = Mailmap()
# Add entry with canonical email but no canonical name
m.add_entry((None, b"real@example.com"), (b"Alias", b"alias@example.com"))
# When canonical name is None, use original name
result = m.lookup(b"Alias <alias@example.com>")
self.assertEqual(b"Alias <real@example.com>", result)
# Test formatting when name becomes empty
m2 = Mailmap()
m2.add_entry((None, b"real@example.com"), (None, b"alias@example.com"))
result2 = m2.lookup(b" <alias@example.com>")
# When both names are None/empty, result has empty name
self.assertEqual(b" <real@example.com>", result2)
def test_lookup_with_none_email(self) -> None:
"""Test lookup when canonical email is None (only name is canonical)."""
m = Mailmap()
# Add entry with canonical name but no canonical email
m.add_entry((b"Real Name", None), (b"Alias", b"alias@example.com"))
# When canonical email is None, use original email
result = m.lookup(b"Alias <alias@example.com>")
self.assertEqual(b"Real Name <alias@example.com>", result)
# Test formatting when email becomes empty
m2 = Mailmap()
m2.add_entry((b"Real Name", None), (b"Alias", None))
result2 = m2.lookup(b"Alias <>")
# When both emails are None/empty, result has empty email
self.assertEqual(b"Real Name <>", result2)
def test_from_path(self) -> None:
"""Test creating Mailmap from a file path."""
import os
import tempfile
# Create a temporary mailmap file
with tempfile.NamedTemporaryFile(
mode="wb", delete=False, suffix=".mailmap"
) as f:
f.write(b"Real Name <real@example.com> <alias@example.com>\n")
f.write(b"Another Person <another@example.com>\n")
mailmap_path = f.name
try:
# Load from path
m = Mailmap.from_path(mailmap_path)
# Verify entries were loaded
self.assertEqual(
b"Real Name <real@example.com>", m.lookup(b"Alias <alias@example.com>")
)
finally:
os.unlink(mailmap_path)
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