Merge pull request #76 from pyiron/old_tests

Test lower limits of dependencies

.ci_support/environment-old.yml

@@ -0,0 +1,15 @@
+channels:
+- conda-forge
+dependencies:
+- ase =3.22.1
+- numpy =1.23.5
+- scipy =1.11.1
+- spglib =2.0.2
+- phonopy =2.20.0
+- structuretoolkit =0.0.10
+- seekpath =1.9.0
+- lammps =2022.06.23
+- pandas =1.5.3
+- pylammpsmpi =0.2.1
+- jinja2 =2.11.3
+- iprpy-data =2023.07.25

.github/workflows/unittests_old.yml

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+name: Unittest Lower Bound
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Setup Mambaforge
+      uses: conda-incubator/setup-miniconda@v2
+      with:
+        python-version: '3.9'
+        miniforge-variant: Mambaforge
+        channels: conda-forge
+        channel-priority: strict
+        activate-environment: my-env
+        environment-file: .ci_support/environment-old.yml
+        use-mamba: true
+    - name: Test
+      shell: bash -l {0}
+      timeout-minutes: 30
+      run: |
+        pip install --no-deps .
+        python -m unittest discover tests