tests: Add alias testing

Add simple test cases to verify alias' functionality.

Signed-off-by: Pieter De Gendt <pieter.degendt@basalte.be>

tests/test_alias.py

@@ -0,0 +1,90 @@
+# Copyright (c) 2024, Basalte bv
+#
+# SPDX-License-Identifier: Apache-2.0
+
+import os
+import subprocess
+
+import pytest
+
+from conftest import cmd
+
+assert 'TOXTEMPDIR' in os.environ, "you must run these tests using tox"
+
+@pytest.fixture(autouse=True)
+def autouse_tmpdir(config_tmpdir, west_init_tmpdir):
+ # Since this module tests west's configuration file features,
+ # adding autouse=True to the config_tmpdir and west_init_tmpdir fixtures
+ # saves typing and is less error-prone than using it below in every test case.
+ pass
+
+def test_alias_commands():
+ cmd('config alias.test1 topdir')
+ cmd('config --global alias.test2 topdir')
+ cmd('config --system alias.test3 topdir')
+
+ topdir_out = cmd('topdir')
+
+ assert cmd('test1') == topdir_out
+ assert cmd('test2') == topdir_out
+ assert cmd('test3') == topdir_out
+
+def test_alias_help():
+ cmd('config alias.test topdir')
+
+ help_out = cmd('help test')
+
+ assert "An alias that expands to: topdir" in help_out
+ assert cmd('-h test') == help_out
+
+def test_alias_recursive_commands():
+ list_format = '{revision} TESTALIAS {name}'
+ cmd(['config', 'alias.test1', f'list -f "{list_format}"'])
+ cmd('config alias.test2 test1')
+
+ assert cmd('test2') == cmd(['list', '-f', list_format])
+
+def test_alias_infinite_recursion():
+ cmd('config alias.test1 test2')
+ cmd('config alias.test2 test3')
+ cmd('config alias.test3 test1')
+
+ with pytest.raises(subprocess.CalledProcessError) as excinfo:
+ cmd('test1', stderr=subprocess.STDOUT)
+
+ assert 'unknown command "test1";' in str(excinfo.value.stdout)
+
+def test_alias_empty():
+ cmd(['config', 'alias.empty', ''])
+
+ # help command shouldn't fail
+ cmd('help')
+
+ with pytest.raises(subprocess.CalledProcessError) as excinfo:
+ cmd('empty', stderr=subprocess.STDOUT)
+
+ assert 'empty alias "empty"' in str(excinfo.value.stdout)
+
+def test_alias_early_args():
+ cmd('config alias.test1 topdir')
+
+ # An alias with an early command argument shouldn't fail
+ assert "Replacing alias test1 with ['topdir']" in cmd('-v test1')
+
+def test_alias_command_with_arguments():
+ list_format = '{revision} TESTALIAS {name}'
+ cmd(['config', 'alias.revs', f'list -f "{list_format}"'])
+
+ assert cmd('revs') == cmd(['list', '-f', list_format])
+
+def test_alias_override():
+ before = cmd('list')
+ list_format = '{name} : {revision}'
+ formatted = cmd(['list', '-f', list_format])
+
+ cmd(['config', 'alias.list', f'list -f "{list_format}"'])
+
+ after = cmd('list')
+
+ assert before != after
+ assert formatted == after