Update go build workflow to run with different go versions

.github/workflows/go.yml

@@ -1,15 +1,14 @@
 name: Go
 
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
+on: [push, pull_request]
 
 jobs:
-
   build:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        go-version: [1.14.x, 1.15.x]
+    runs-on: ${{ matrix.os }}
     services:
       redis:
         image: redis
@@ -21,13 +20,31 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-        go-version: 1.15
+          go-version: ${{ matrix.go-version }}
 
       - name: Build
         run: go build -v ./...
 
       - name: Test
-      run: go test -race -v ./...
+        run: go test -race -v -coverprofile=coverage.txt -covermode=atomic ./...
 
-    - name: Bench Test
-      run: go test -run=^$ -bench=. -loglevel=debug ./...
+      - name: Upload Test Results
+        uses: actions/upload-artifact@v2
+        with:
+          name: test-results
+          path: test-results.txt
+
+      - name: Upload Coverage
+        uses: actions/upload-artifact@v2
+        with:
+          name: coverage
+          path: coverage.txt
+
+      - name: Benchmark Test
+        run: go test -run=^$ -bench=. ./... | tee -a bench.txt
+
+      - name: Upload Benchmark
+        uses: actions/upload-artifact@v2
+        with:
+          name: bench-${{ matrix.os }}-${{ matrix.go-version }}
+          path: bench.txt