Add unit test for #64169

tests/pytests/unit/states/test_pip.py

@@ -0,0 +1,69 @@
+"""
+    :codeauthor: Eric Graham <eric.graham@vantagepnt.com>
+"""
+import logging
+
+import pytest
+
+import salt.states.pip_state as pip_state
+from salt.exceptions import CommandExecutionError
+from tests.support.mock import MagicMock, patch
+
+
+@pytest.fixture
+def configure_loader_modules():
+    return {
+        pip_state: {
+            '__env__': 'base',
+            '__opts__': {
+                'test': False
+            }
+        }
+    }
+
+
+def test_issue_64169(caplog):
+    pkg_to_install = 'nonexistent_package'
+    exception_message = 'Invalid JSON (test_issue_64169)'
+
+    mock_pip_list = MagicMock(side_effect=[
+        CommandExecutionError(exception_message),  # pre-cache the pip list (preinstall)
+        {},                                        # Checking if the pkg is already installed
+        {pkg_to_install: '100.10.1'}               # Confirming successful installation
+    ])
+    mock_pip_version = MagicMock(return_value='100.10.1')
+    mock_pip_install = MagicMock(return_value={"retcode": 0, "stdout": ""})
+
+    with patch.dict(pip_state.__salt__, {
+        "pip.list": mock_pip_list,
+        "pip.version": mock_pip_version,
+        "pip.install": mock_pip_install
+    }):
+        with caplog.at_level(logging.WARNING):
+            # Call pip.installed with a specifically 'broken' pip.list.
+            # pip.installed should continue, but log the exception from pip.list.
+            # pip.installed should NOT raise an exception itself.
+            # noinspection PyBroadException
+            try:
+                pip_state.installed(
+                    name=pkg_to_install,
+                    use_wheel=False,     # Set False to simplify testing
+                    no_use_wheel=False,  # '
+                    no_binary=False,     # '
+                    log=None             # Regression will cause this function call to throw
+                                         # an AttributeError
+                )
+            except AttributeError:
+                # Observed behavior in #64169
+                assert False
+            except:
+                # Something went wrong, but it isn't what's being tested for here.
+                return
+
+            # Take 64169 further and actually confirm that the targeted exception from pip.list got logged.
+            assert exception_message in caplog.messages
+
+        # Confirm that the state continued to install the package as expected.
+        # Only check the 'pkgs' parameter of pip.install
+        mock_install_call_args, mock_install_call_kwargs = mock_pip_install.call_args
+        assert mock_install_call_kwargs['pkgs'] == pkg_to_install