quality: parameterize SDK and test-data branches (#40)

* parameterize SDK and test-data branches
* limit on push to main

Author: typotter

.github/workflows/unit-tests.yml

@@ -1,23 +1,49 @@
 name: Swift
 
-on: [push]
+env:
+  SDK_BRANCH_NAME: ${{ inputs.sdk_branch  || github.head_ref || github.ref_name }}
+  TEST_DATA_BRANCH_NAME: ${{ inputs.test_data_branch || 'main' }}
+
+on:
+  push:
+    branches: [main]
+
+  pull_request:
+
+  workflow_dispatch:
+
+  workflow_call:
+    inputs:
+      test_data_branch:
+        type: string
+        description: The branch in sdk-test-data to target for testcase files
+        required: false
+        default: main
+      sdk_branch:
+        type: string
+        description: The branch of the SDK to test
+        required: false
 
 jobs:
   build:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
-      - name: 'Set up Cloud SDK'
-        uses: 'google-github-actions/setup-gcloud@v1'
+      - name: Display Testing Details
+        run: |
+          echo "Running SDK Test using"
+          echo "Test Data: sdk-test-data@${TEST_DATA_BRANCH_NAME}"
+          echo "SDK Branch: eppo-ios-sdk@${SDK_BRANCH_NAME}"
 
-      - name: 'Use gcloud CLI'
-        run: 'gcloud info'
+      - uses: actions/checkout@v3
+        with:
+          repository: Eppo-exp/eppo-ios-sdk
+          ref: ${{ env.SDK_BRANCH_NAME}}
 
       - name: Build
         run: make build
 
       - name: Pull test data
-        run: make test-data
+        run: make test-data branchName=${{env.TEST_DATA_BRANCH_NAME}}
 
       - name: Run tests
         run: make test

Makefile

@@ -29,7 +29,7 @@ build:
 	swift build
 
 .PHONY: test
-test: 
+test:
 	swift test
 
 ## test-data