Add initial last.fm client implementation

core/lastfm/responses_test.go

@@ -0,0 +1,42 @@
+package lastfm
+
+import (
+	"encoding/json"
+	"io/ioutil"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("LastFM responses", func() {
+	Describe("Artist", func() {
+		It("parses the response correctly", func() {
+			var resp Response
+			body, _ := ioutil.ReadFile("tests/fixtures/lastfm.artist.getinfo.json")
+			err := json.Unmarshal(body, &resp)
+			Expect(err).To(BeNil())
+
+			Expect(resp.Artist.Name).To(Equal("U2"))
+			Expect(resp.Artist.MBID).To(Equal("a3cb23fc-acd3-4ce0-8f36-1e5aa6a18432"))
+			Expect(resp.Artist.URL).To(Equal("https://www.last.fm/music/U2"))
+			Expect(resp.Artist.Bio.Summary).To(ContainSubstring("U2 é uma das mais importantes bandas de rock de todos os tempos"))
+
+			similarArtists := []string{"Passengers", "INXS", "R.E.M.", "Simple Minds", "Bono"}
+			for i, similar := range similarArtists {
+				Expect(resp.Artist.Similar.Artists[i].Name).To(Equal(similar))
+			}
+		})
+	})
+
+	Describe("Error", func() {
+		It("parses the error response correctly", func() {
+			var error Error
+			body := []byte(`{"error":3,"message":"Invalid Method - No method with that name in this package"}`)
+			err := json.Unmarshal(body, &error)
+			Expect(err).To(BeNil())
+
+			Expect(error.Code).To(Equal(3))
+			Expect(error.Message).To(Equal("Invalid Method - No method with that name in this package"))
+		})
+	})
+})