Test with minimum versions of requirements

Pick 1.8.1 as the minimum version of argcomplete. This is the version in
the current Debian oldstable and Ubuntu 20.04 LTS.

.github/workflows/build.yml

@@ -20,11 +20,14 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.7"
           - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
+        toxenv: [py]
+        include:
+          - python-version: "3.7"
+            toxenv: minreqs
 
     steps:
       - name: Install OS dependencies
@@ -69,7 +72,7 @@ jobs:
       - name: Run tests
         run: |
             python -m hatchling build -t sdist --hooks-only
-            python -m tox -e py
+            python -m tox -e ${{ matrix.toxenv }}
 
       - name: Report to coveralls
         run: coveralls

pytest-minreqs.ini

@@ -0,0 +1,4 @@
+# This file is needed until minimum bs4 >= 4.11
+[pytest]
+testpaths = tests
+addopts = -ra --tb=short

requirements-min.txt

@@ -0,0 +1,6 @@
+# required:
+beautifulsoup4 == 4.8.1
+requests == 2.4.0
+dnspython == 2.0.0
+# optional:
+argcomplete == 1.8.1

requirements.txt

@@ -3,4 +3,4 @@ beautifulsoup4 >= 4.8.1
 requests >= 2.4
 dnspython >= 2.0
 # optional:
-argcomplete
+argcomplete >= 1.8.1

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py37, py38, py39, py310, py311
+envlist = py3{7,8,9,10,11}, minreqs
 
 [base]
 deps =
@@ -15,10 +15,12 @@ deps =
 [testenv]
 usedevelop = true
 deps =
-    -rrequirements.txt
+    !minreqs: -rrequirements.txt
+    minreqs: -rrequirements-min.txt
     {[base]deps}
 commands =
-    pytest {posargs:--cov=linkcheck}
+    !minreqs: pytest {posargs:--cov=linkcheck}
+    minreqs: pytest {posargs:--cov=linkcheck -c pytest-minreqs.ini}
 setenv =
     LC_ALL=en_US.utf-8