Include a shared Last.FM api key, providing zero conf ArtistInfo (bio/top songs/similar artists)

core/agents/lastfm_test.go

@@ -0,0 +1,28 @@
+package agents
+
+import (
+	"context"
+
+	"github.com/navidrome/navidrome/conf"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("lastfmAgent", func() {
+	Describe("lastFMConstructor", func() {
+		It("uses default api key and language if not configured", func() {
+			conf.Server.LastFM.ApiKey = ""
+			agent := lastFMConstructor(context.TODO())
+			Expect(agent.(*lastfmAgent).apiKey).To(Equal(lastFMAPIKey))
+			Expect(agent.(*lastfmAgent).lang).To(Equal("en"))
+		})
+
+		It("uses configured api key and language", func() {
+			conf.Server.LastFM.ApiKey = "123"
+			conf.Server.LastFM.Language = "pt"
+			agent := lastFMConstructor(context.TODO())
+			Expect(agent.(*lastfmAgent).apiKey).To(Equal("123"))
+			Expect(agent.(*lastfmAgent).lang).To(Equal("pt"))
+		})
+	})
+})