Add a composite action to set the ETS_TOOLKIT environment variable

Author: itziakos

.github/actions/ets_toolkit/action.yml

@@ -0,0 +1,42 @@
+name: Set ETS_TOOLKIT
+description: 'Set the ETS_TOOLKIT environment variable'
+inputs:
+  toolkit:
+    required: true
+    description: 'The GUI toolkit to use (wx, null, pyqt5, pyqt6, pyside2, pyside6)'
+  kiva:
+    default: 'image'
+    description: 'The kiva toolkit to set'
+  shell:
+    default: 'bash'
+runs:
+  using: composite
+  steps:
+  - name: Null toolkit
+    if: inputs.toolkit == 'null'
+    run: echo "ETS_TOOLKIT=null.${{ inputs.kiva }}" >> $GITHUB_ENV
+    shell: ${{ inputs.shell }}
+  - name: WxPython toolkit
+    if: inputs.toolkit == 'wx'
+    run: echo "ETS_TOOLKIT=wx.${{ inputs.kiva }}" >> $GITHUB_ENV
+    shell: ${{ inputs.shell }}
+  - name: PyQT5 toolkit
+    if: inputs.toolkit == 'pyqt5'
+    run: echo "ETS_TOOLKIT=qt.${{ inputs.kiva }}" >> $GITHUB_ENV
+    run: echo "QT_API=pyqt5" >> $GITHUB_ENV
+    shell: ${{ inputs.shell }}
+  - name: PyQT6 toolkit
+    if: inputs.toolkit == 'pyqt6'
+    run: echo "ETS_TOOLKIT=qt.${{ inputs.kiva }}" >> $GITHUB_ENV
+    run: echo "QT_API=pyqt6" >> $GITHUB_ENV
+    shell: ${{ inputs.shell }}
+  - name: PySide2 toolkit
+    if: inputs.toolkit == 'pyside2'
+    run: echo "ETS_TOOLKIT=qt.${{ inputs.kiva }}" >> $GITHUB_ENV
+    run: echo "QT_API=pyside2" >> $GITHUB_ENV
+    shell: ${{ inputs.shell }}
+  - name: PySide6 toolkit
+    if: inputs.toolkit == 'pyside6'
+    run: echo "ETS_TOOLKIT=qt.${{ inputs.kiva }}" >> $GITHUB_ENV
+    run: echo "QT_API=pyside6" >> $GITHUB_ENV
+    shell: ${{ inputs.shell }}

.github/workflows/test-with-pip.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
-        toolkit: ['pyside2', 'pyside6', 'pyqt5', 'wx']
+        toolkit: ['pyside2', 'pyside6', 'pyqt5', 'wx', 'null']
         kiva-backend: ['image']
         python-version: ['3.10', '3.11']
         exclude:
@@ -27,8 +27,6 @@ jobs:
           - os: 'macos-latest'
             toolkit: 'pyside2'
     runs-on: ${{ matrix.os }}
-    env:
-      ETS_TOOLKIT: ${{ matrix.toolkit }}.${{ matrix.kiva-backend }}
     steps:
       - name: Check out
         uses: actions/checkout@v4
@@ -46,6 +44,8 @@ jobs:
         run: pip install ".[tests,${{ matrix.toolkit }}]"
       - name: Sanity check package version
         run: pip list
+      - run: ./.github/actions/ets_toolkit
+        toolkit: ${{ matrix.toolkit }}
       - name: Run chaco test suite (Linux)
         env:
           PYTHONFAULTHANDLER: 1