Devops: Determine command directory dynamically with which

Before the path for `bash` and `cat` path was hardcoded. This has been changed
to run a subprocess running `which bash` and `which cat` to determine the path.
This is required to for example run the tests on macOS.

tests/cmdline/commands/test_code.py

@@ -533,7 +533,7 @@ def test_code_test(run_cli_command):
 
 
 @pytest.fixture
-def command_options(request, aiida_localhost, tmp_path):
+def command_options(request, aiida_localhost, tmp_path, bash_path):
     """Return tuple of list of options and entry point."""
     options = [request.param, '-n', '--label', str(uuid.uuid4())]
 
@@ -553,7 +553,7 @@ def command_options(request, aiida_localhost, tmp_path):
                 '--computer',
                 str(aiida_localhost.pk),
                 '--filepath-executable',
-                '/usr/bin/bash',
+                str(bash_path.absolute()),
                 '--engine-command',
                 engine_command,
                 '--image-name',

tests/conftest.py

@@ -18,6 +18,7 @@
 import dataclasses
 import os
 import pathlib
+import subprocess
 import types
 import typing as t
 import warnings

tests/orm/data/code/test_installed.py

@@ -17,29 +17,29 @@
 from aiida.orm.nodes.data.code.installed import InstalledCode
 
 
-def test_constructor_raises(aiida_localhost):
+def test_constructor_raises(aiida_localhost, bash_path):
     """Test the constructor when it is supposed to raise."""
     with pytest.raises(TypeError, match=r'missing .* required positional arguments'):
         InstalledCode()
 
     with pytest.raises(TypeError, match=r'Got object of type .*'):
-        InstalledCode(computer=aiida_localhost, filepath_executable=pathlib.Path('/usr/bin/bash'))
+        InstalledCode(computer=aiida_localhost, filepath_executable=bash_path)
 
     with pytest.raises(TypeError, match=r'Got object of type .*'):
         InstalledCode(computer='computer', filepath_executable='/usr/bin/bash')
 
 
-def test_constructor(aiida_localhost):
+def test_constructor(aiida_localhost, bash_path):
     """Test the constructor."""
-    filepath_executable = '/usr/bin/bash'
+    filepath_executable = str(bash_path.absolute())
     code = InstalledCode(computer=aiida_localhost, filepath_executable=filepath_executable)
     assert code.computer.pk == aiida_localhost.pk
     assert code.filepath_executable == pathlib.PurePath(filepath_executable)
 
 
-def test_validate(aiida_localhost):
+def test_validate(aiida_localhost, bash_path):
     """Test the validator is called before storing."""
-    filepath_executable = '/usr/bin/bash'
+    filepath_executable = str(bash_path.absolute())
     code = InstalledCode(computer=aiida_localhost, filepath_executable=filepath_executable)
 
     code.computer = aiida_localhost
@@ -53,18 +53,18 @@ def test_validate(aiida_localhost):
     assert code.is_stored
 
 
-def test_can_run_on_computer(aiida_localhost):
+def test_can_run_on_computer(aiida_localhost, bash_path):
     """Test the :meth:`aiida.orm.nodes.data.code.installed.InstalledCode.can_run_on_computer` method."""
-    code = InstalledCode(computer=aiida_localhost, filepath_executable='/usr/bin/bash')
+    code = InstalledCode(computer=aiida_localhost, filepath_executable=str(bash_path.absolute()))
     computer = Computer()
 
     assert code.can_run_on_computer(aiida_localhost)
     assert not code.can_run_on_computer(computer)
 
 
-def test_filepath_executable(aiida_localhost):
+def test_filepath_executable(aiida_localhost, bash_path, cat_path):
     """Test the :meth:`aiida.orm.nodes.data.code.installed.InstalledCode.filepath_executable` property."""
-    filepath_executable = '/usr/bin/bash'
+    filepath_executable = str(bash_path.absolute())
     code = InstalledCode(computer=aiida_localhost, filepath_executable=filepath_executable)
     assert code.filepath_executable == pathlib.PurePath(filepath_executable)
 
@@ -74,7 +74,7 @@ def test_filepath_executable(aiida_localhost):
     assert code.filepath_executable == pathlib.PurePath(filepath_executable)
 
     # Change through the property
-    filepath_executable = '/usr/bin/cat'
+    filepath_executable = str(cat_path.absolute())
     code.filepath_executable = filepath_executable
     assert code.filepath_executable == pathlib.PurePath(filepath_executable)
 
@@ -101,7 +101,7 @@ def computer(request, aiida_computer_local, aiida_computer_ssh):
 
 @pytest.mark.usefixtures('aiida_profile_clean')
 @pytest.mark.parametrize('computer', ('core.local', 'core.ssh'), indirect=True)
-def test_validate_filepath_executable(ssh_key, computer):
+def test_validate_filepath_executable(ssh_key, computer, bash_path):
     """Test the :meth:`aiida.orm.nodes.data.code.installed.InstalledCode.validate_filepath_executable` method."""
     filepath_executable = '/usr/bin/not-existing'
     code = InstalledCode(computer=computer, filepath_executable=filepath_executable)
@@ -117,19 +117,19 @@ def test_validate_filepath_executable(ssh_key, computer):
     with pytest.raises(ValidationError, match=r'The provided remote absolute path .* does not exist on the computer\.'):
         code.validate_filepath_executable()
 
-    code.filepath_executable = '/usr/bin/bash'
+    code.filepath_executable = str(bash_path.absolute())
     code.validate_filepath_executable()
 
 
-def test_full_label(aiida_localhost):
+def test_full_label(aiida_localhost, bash_path):
     """Test the :meth:`aiida.orm.nodes.data.code.installed.InstalledCode.full_label` property."""
     label = 'some-label'
-    code = InstalledCode(label=label, computer=aiida_localhost, filepath_executable='/usr/bin/bash')
+    code = InstalledCode(label=label, computer=aiida_localhost, filepath_executable=str(bash_path.absolute()))
     assert code.full_label == f'{label}@{aiida_localhost.label}'
 
 
-def test_get_execname(aiida_localhost):
+def test_get_execname(aiida_localhost, bash_path):
     """Test the deprecated :meth:`aiida.orm.nodes.data.code.installed.InstalledCode.get_execname` method."""
-    code = InstalledCode(label='some-label', computer=aiida_localhost, filepath_executable='/usr/bin/bash')
+    code = InstalledCode(label='some-label', computer=aiida_localhost, filepath_executable=str(bash_path.absolute()))
     with pytest.warns(AiidaDeprecationWarning):
-        assert code.get_execname() == '/usr/bin/bash'
+        assert code.get_execname() == str(bash_path.absolute())

tests/orm/data/code/test_portable.py

@@ -17,13 +17,13 @@
 from aiida.orm.nodes.data.code.portable import PortableCode
 
 
-def test_constructor_raises(tmp_path):
+def test_constructor_raises(tmp_path, bash_path):
     """Test the constructor when it is supposed to raise."""
     with pytest.raises(TypeError, match=r'missing .* required positional argument'):
         PortableCode()
 
     with pytest.raises(TypeError, match=r'Got object of type .*'):
-        PortableCode(filepath_executable=pathlib.Path('/usr/bin/bash'), filepath_files=tmp_path)
+        PortableCode(filepath_executable=bash_path, filepath_files=tmp_path)
 
     with pytest.raises(TypeError, match=r'Got object of type .*'):
         PortableCode(filepath_executable='bash', filepath_files='string')