.github: add test workflow

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+on: [push, pull_request]
+name: Test
+jobs:
+  test:
+    strategy:
+      matrix:
+        go-version: [1.13.x, 1.14.x]
+        platform: [ubuntu-latest]
+    runs-on: ${{ matrix.platform }}
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@master
+      with:
+        go-version: ${{ matrix.go-version }}
+    - uses: actions/checkout@master
+      with:
+         path: './src/github.com/github-release/github-release'
+    # staticcheck needs this for GOPATH
+    - run: echo "::set-env name=GOPATH::$GITHUB_WORKSPACE"
+    - run: echo "::set-env name=PATH::$GITHUB_WORKSPACE/bin:$PATH"
+    - name: Download dependencies
+      run: go get -t -v ./...
+      working-directory: './src/github.com/github-release/github-release'
+    - name: Run tests
+      run: make test
+      working-directory: './src/github.com/github-release/github-release'

Makefile

@@ -80,4 +80,7 @@ clean:
 	rm $(EXECUTABLE) || true
 	rm -rf bin/
 
+test:
+	go test ./...
+
 .PHONY: clean release dep install