Add automated test

CHANGES.md

@@ -7,16 +7,21 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [3.0.0] - unreleased
 
+### Changed
+
+- Require that the `force_venv_activation` argument to `inithook` is passed
+  as keyword argument.
+
+### Removed
+
+- Remove (official) support for Python 3.6.
+
 ### Fixed
 
 - Do not include documentation files in pure library distribution
   ([#13](https://github.com/jgosmann/pylint-venv/pull/13)).
 - Clarify that the hook has to be configured in the `[MAIN]` section
   ([#14](https://github.com/jgosmann/pylint-venv/pull/14))
-
-### Removed
-
-- Remove (official) support for Python 3.6.
 
 
 ## [2.3.0] - 2022-06-24

pylint_venv.py

@@ -108,7 +108,7 @@ def activate_venv(venv):
     sys.path[:] = new_paths + kept_paths
 
 
-def inithook(venv=None, force_venv_activation=False, *, quiet=False):
+def inithook(venv=None, *, force_venv_activation=False, quiet=False):
     """Add virtualenv's paths and site_packages to Pylint.
 
     Use environment with prefix *venv* if provided else try to auto-detect an active virtualenv.
@@ -127,5 +127,5 @@ def inithook(venv=None, force_venv_activation=False, *, quiet=False):
         return
 
     if not quiet:
-        print(f"Using env: {venv}", file=sys.stderr)
+        print(f"Using venv: {venv}", file=sys.stderr)
     activate_venv(venv)

test/pylintrc

@@ -0,0 +1,4 @@
+[MAIN]
+init-hook=
+    import pylint_venv
+    pylint_venv.inithook(force_venv_activation=True)

test/test.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+set -o errexit -o nounset -o pipefail -o xtrace
+
+WORKDIR=$(dirname "$0")
+PYLINT_CMD=$(which pylint)
+VENV_DIR=$(mktemp -d)
+
+python3 -m venv "$VENV_DIR"
+source "$VENV_DIR/bin/activate"
+"$PYLINT_CMD" --rcfile "$WORKDIR/pylintrc" "$WORKDIR/empty.py" 2>&1 | tee "$VENV_DIR/pylint.log" | grep "^Using venv: $VENV_DIR\$"
+rm -r "$VENV_DIR"