fix: correct minimum versions and test (#962)

* fix: correct minimum versions and test

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* tests: fix broken environment home variable

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

---------

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

Author: henryiii

.github/workflows/ci.yml

@@ -62,6 +62,8 @@ jobs:
         run:  uv pip install --system .
       - name: Run tests on ${{ matrix.os }}
         run: nox --session "tests-${{ matrix.python-version }}" -- --full-trace
+      - name: Run min-version tests on ${{ matrix.os }}
+        run: nox --session "tests-${{ matrix.python-version }}" -- --full-trace
       - name: Run Conda tests
         if: matrix.python-version == '3.12'
         run: nox --session "conda_tests" -- --full-trace

noxfile.py

@@ -67,7 +67,17 @@ def tests(session: nox.Session) -> None:
             con.execute("DELETE FROM file WHERE SUBSTR(path, 2, 1) == ':'")
 
 
-@nox.session(venv_backend="conda", default=shutil.which("conda"))
+@nox.session(venv_backend="uv", default=False)
+def minimums(session: nox.Session) -> None:
+    """Run test suite with the lowest supported versions of everything. Requires uv."""
+    session.create_tmp()
+
+    session.install("-e.", "--group=test", "--resolution=lowest-direct")
+    session.run("uv", "pip", "list")
+    session.run("pytest", *session.posargs)
+
+
+@nox.session(venv_backend="conda", default=bool(shutil.which("conda")))
 def conda_tests(session: nox.Session) -> None:
     """Run test suite set up with conda."""
     session.conda_install(

pyproject.toml

@@ -39,12 +39,14 @@ classifiers = [
 ]
 dependencies = [
   "argcomplete>=1.9.4,<4",
-  "attrs>=23.1",
+  "attrs>=24.1",
   "colorlog>=2.6.1,<7",
   "dependency-groups>=1.1",
-  "packaging>=20.9",
-  "tomli>=1; python_version<'3.11'",
-  "virtualenv>=20.14.1",
+  "packaging>=20.9; python_version<'3.10'",
+  "packaging>=21; python_version>='3.10'",
+  "tomli>=1.1; python_version<'3.11'",
+  "virtualenv>=20.14.1; python_version<'3.10'",
+  "virtualenv>=20.15; python_version>='3.10'",
 ]
 optional-dependencies.tox_to_nox = [
   "importlib-resources; python_version<'3.9'",
@@ -68,8 +70,9 @@ dev = [
 ]
 test = [
   "coverage[toml]>=7.2",
-  "pytest>=6",
-  "pytest-cov",
+  "pytest>=7.4; python_version>='3.12'",
+  "pytest>=7; python_version<'3.12'",
+  "pytest-cov>=3",
 ]
 docs = [
   "myst-parser",

tests/test_virtualenv.py

@@ -1015,9 +1015,16 @@ def test_inner_functions_reusing_venv(
     venv, location = make_one(reuse_existing=True)
     venv.create()
 
+    txt = location.joinpath("pyvenv.cfg").read_text(encoding="utf-8")
+    cfg = {
+        (v := line.partition("="))[0].strip(): v[-1].strip()
+        for line in txt.splitlines()
+    }
+    home = cfg["home"]
+
     # Drop a venv-style pyvenv.cfg into the environment.
-    pyvenv_cfg = """\
-    home = /usr/bin
+    pyvenv_cfg = f"""\
+    home = {home}
     include-system-site-packages = false
     version = 3.10
     base-prefix = foo