feat: Run tests with direct dependencies resolved to their lowest ver…

…sion

Issue-22: #22

project/.github/workflows/ci.yml.jinja

@@ -74,7 +74,10 @@ jobs:
             {"python-version": "3.13"}
           ]' | tr -d '[:space:]' >> $GITHUB_OUTPUT
         else
-          echo 'jobs=[]' >> $GITHUB_OUTPUT
+          echo 'jobs=[
+            {"os": "macos-latest", "resolution": "lowest-direct"},
+            {"os": "windows-latest", "resolution": "lowest-direct"}
+          ]' | tr -d '[:space:]' >> $GITHUB_OUTPUT
         fi
 
   {% endif -%}
@@ -96,8 +99,17 @@ jobs:
         - "3.11"
         - "3.12"
         - "3.13"
+        resolution:
+        - highest
+        - lowest-direct
         {%- if insiders %}
         exclude: {% raw %}${{ fromJSON(needs.exclude-test-jobs.outputs.jobs) }}{% endraw %}
+        {%- else %}
+        exclude:
+        - os: macos-latest
+          resolution: lowest-direct
+        - os: windows-latest
+          resolution: lowest-direct
         {%- endif %}
     runs-on: {% raw %}${{ matrix.os }}{% endraw %}
     continue-on-error: {% raw %}${{ matrix.python-version == '3.13' }}{% endraw %}
@@ -116,6 +128,8 @@ jobs:
       run: pip install uv
 
     - name: Install dependencies
+      env:
+        UV_RESOLUTION: {% raw %}${{ matrix.resolution }}{% endraw %}
       run: make setup
 
     - name: Run the test suite

project/scripts/make

@@ -10,11 +10,15 @@ prefix=""
 # Install runtime and development dependencies,
 # as well as current project in editable mode.
 uv_install() {
-    uv pip compile pyproject.toml devdeps.txt | uv pip install -r -
+    local uv_opts
+    if [ -n "${UV_RESOLUTION}" ]; then
+        uv_opts="--resolution=${UV_RESOLUTION}"
+    fi
+    uv pip compile ${uv_opts} pyproject.toml devdeps.txt | uv pip install -r -
     if [ -z "${CI}" ]; then
-        uv pip install -e .
+        uv pip install --no-deps -e .
     else
-        uv pip install .
+        uv pip install --no-deps .
     fi
 }