Move utilitarian/generic packages to utils: lastfm, spotify, gravatar, cache, and pool

utils/pool/pool_test.go

@@ -0,0 +1,45 @@
+package pool
+
+import (
+	"testing"
+
+	"github.com/navidrome/navidrome/log"
+	"github.com/navidrome/navidrome/tests"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestPool(t *testing.T) {
+	tests.Init(t, false)
+	log.SetLevel(log.LevelCritical)
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Pool Suite")
+}
+
+type testItem struct {
+	ID int
+}
+
+var processed []int
+
+var _ = Describe("Pool", func() {
+	var pool *Pool
+
+	BeforeEach(func() {
+		processed = nil
+		pool, _ = NewPool("test", 2, execute)
+	})
+
+	It("processes items", func() {
+		for i := 0; i < 5; i++ {
+			pool.Submit(&testItem{ID: i})
+		}
+		Eventually(func() []int { return processed }, "10s").Should(HaveLen(5))
+		Expect(processed).To(ContainElements(0, 1, 2, 3, 4))
+	})
+})
+
+func execute(workload interface{}) {
+	item := workload.(*testItem)
+	processed = append(processed, item.ID)
+}