Just run a single test

Author: colesbury

.github/workflows/reusable-san.yml

@@ -11,6 +11,11 @@ on:
         required: false
         type: boolean
         default: false
+      test-command:
+        description: Override the test command when non-empty
+        required: false
+        type: string
+        default: ''
   workflow_dispatch:
     inputs:
       sanitizer:
@@ -21,6 +26,11 @@ on:
         required: false
         type: boolean
         default: false
+      test-command:
+        description: Override the test command when non-empty
+        required: false
+        type: string
+        default: ''
 
 env:
   FORCE_COLOR: 1
@@ -97,10 +107,16 @@ jobs:
     - name: Display build info
       run: make pythoninfo
     - name: Tests
-      run: >-
-        ./python -m test
-        ${{ inputs.sanitizer == 'TSan' && '--tsan' || '' }}
-        -j4
+      run: |
+        if [ -n "${TEST_COMMAND}" ]; then
+          ${TEST_COMMAND}
+        else
+          ./python -m test \
+            ${{ inputs.sanitizer == 'TSan' && '--tsan' || '' }} \
+            -j4
+        fi
+      env:
+        TEST_COMMAND: ${{ inputs.test-command }}
     - name: Parallel tests
       if: >-
         inputs.sanitizer == 'TSan'

.github/workflows/tsan-single-test.yml

@@ -0,0 +1,20 @@
+name: TSan Single Test
+
+on:
+  workflow_dispatch:
+    inputs:
+      test-command:
+        description: Test command to run
+        required: true
+        default: './python -m test --tsan -j4 test_dict -m test_repr_deep'
+
+permissions:
+  contents: read
+
+jobs:
+  tsan-single-test:
+    name: Thread sanitizer (single test)
+    uses: ./.github/workflows/reusable-san.yml
+    with:
+      sanitizer: TSan
+      test-command: ${{ inputs.test-command }}