chore(ci): wire external backend for tests

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

.github/workflows/test.yml

@@ -96,10 +96,12 @@ jobs:
           sudo apt-get install curl ffmpeg
       - name: Build backends
         run: |
-          make backends/transformers backends/huggingface backends/llama-cpp backends/local-store backends/silero-vad backends/piper backends/whisper backends/stablediffusion-ggml
+          make backends/transformers 
+          mv backends/transformer external/transformers
+          make backends/huggingface backends/llama-cpp backends/local-store backends/silero-vad backends/piper backends/whisper backends/stablediffusion-ggml
       - name: Test
         run: |
-          PATH="$PATH:/root/go/bin" GO_TAGS="tts" make --jobs 5 --output-sync=target test
+          TRANSFORMER_BACKEND=$(abspath ./)/external/transformers/run.sh PATH="$PATH:/root/go/bin" GO_TAGS="tts" make --jobs 5 --output-sync=target test
       - name: Setup tmate session if tests fail
         if: ${{ failure() }}
         uses: mxschmitt/action-tmate@v3.23

Makefile

@@ -149,7 +149,7 @@ test: test-models/testmodel.ggml protogen-go
 	@echo 'Running tests'
 	export GO_TAGS="debug"
 	$(MAKE) prepare-test
-	HUGGINGFACE_GRPC=$(abspath ./)/backend/python/transformers/run.sh TEST_DIR=$(abspath ./)/test-dir/ FIXTURES=$(abspath ./)/tests/fixtures CONFIG_FILE=$(abspath ./)/test-models/config.yaml MODELS_PATH=$(abspath ./)/test-models BACKENDS_PATH=$(abspath ./)/backends \
+	TEST_DIR=$(abspath ./)/test-dir/ FIXTURES=$(abspath ./)/tests/fixtures CONFIG_FILE=$(abspath ./)/test-models/config.yaml MODELS_PATH=$(abspath ./)/test-models BACKENDS_PATH=$(abspath ./)/backends \
 	$(GOCMD) run github.com/onsi/ginkgo/v2/ginkgo --label-filter="!llama-gguf"  --flake-attempts $(TEST_FLAKES) --fail-fast -v -r $(TEST_PATHS)
 	$(MAKE) test-llama-gguf
 	$(MAKE) test-tts

core/http/app_test.go

@@ -916,7 +916,7 @@ parameters:
 
 			application, err := application.New(
 				append(commonOpts,
-					config.WithExternalBackend("transformers", os.Getenv("HUGGINGFACE_GRPC")),
+					config.WithExternalBackend("transformers", os.Getenv("TRANSFORMER_BACKEND")),
 					config.WithContext(c),
 					config.WithSystemState(systemState),
 				)...)