Configure GitHub Actions.

.github/workflows/build.yml

@@ -1,28 +1,10 @@
-name: Test and Build
-on: [push]
+name: Build
+on:
+  push:
+    branches:
+      - master
 
 jobs:
-  test:
-    name: Test
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@master
-      - uses: actions/setup-go@v1
-        with:
-          go-version: '1.13.x'
-      - name: Execute test and upload coverage
-        run: |
-          go version
-          go test -coverprofile=coverage.txt -covermode=atomic -p 1 . ./worker ./cli ./State
-          bash <(curl -s https://codecov.io/bash)
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-          REDIS_URL: redis://localhost:${{ job.services.redis.ports['6379'] }}
-    services:
-      redis:
-        image: redis
-        ports:
-          - 6379/tcp
   build:
     name: Build
     runs-on: ubuntu-latest

.github/workflows/test.yml

@@ -0,0 +1,25 @@
+name: Test
+on: [push, pull_request]
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: actions/setup-go@v1
+        with:
+          go-version: '1.13.x'
+      - name: Execute test and upload coverage
+        run: |
+          go version
+          go test -coverprofile=coverage.txt -covermode=atomic -p 1 . ./worker ./cli ./State
+          bash <(curl -s https://codecov.io/bash)
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+          REDIS_URL: redis://localhost:${{ job.services.redis.ports['6379'] }}
+    services:
+      redis:
+        image: redis
+        ports:
+          - 6379/tcp