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Refactor Agents to be singleton

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Initial work for Last.fm scrobbler
This commit is contained in:
Deluan
2021-06-22 11:15:51 -04:00
committed by Deluan Quintão
parent f9fa9667a3
commit d5461d0ae9
17 changed files with 289 additions and 212 deletions
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core/agents/lastfm/agent_test.go
+18 -18
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@@ -46,14 +46,14 @@ var _ = Describe("lastfmAgent", func() {
It("returns the biography", func() {
f, _ := os.Open("tests/fixtures/lastfm.artist.getinfo.json")
httpClient.Res = http.Response{Body: f, StatusCode: 200}
Expect(agent.GetBiography("123", "U2", "mbid-1234")).To(Equal("U2 é uma das mais importantes bandas de rock de todos os tempos. Formada em 1976 em Dublin, composta por Bono (vocalista e guitarrista), The Edge (guitarrista, pianista e backing vocal), Adam Clayton (baixista), Larry Mullen, Jr. (baterista e percussionista).\n\nDesde a década de 80, U2 é uma das bandas mais populares no mundo. Seus shows são únicos e um verdadeiro festival de efeitos especiais, além de serem um dos que mais arrecadam anualmente. <a href=\"https://www.last.fm/music/U2\">Read more on Last.fm</a>"))
Expect(agent.GetBiography(ctx, "123", "U2", "mbid-1234")).To(Equal("U2 é uma das mais importantes bandas de rock de todos os tempos. Formada em 1976 em Dublin, composta por Bono (vocalista e guitarrista), The Edge (guitarrista, pianista e backing vocal), Adam Clayton (baixista), Larry Mullen, Jr. (baterista e percussionista).\n\nDesde a década de 80, U2 é uma das bandas mais populares no mundo. Seus shows são únicos e um verdadeiro festival de efeitos especiais, além de serem um dos que mais arrecadam anualmente. <a href=\"https://www.last.fm/music/U2\">Read more on Last.fm</a>"))
Expect(httpClient.RequestCount).To(Equal(1))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(Equal("mbid-1234"))
})
It("returns an error if Last.FM call fails", func() {
httpClient.Err = errors.New("error")
_, err := agent.GetBiography("123", "U2", "mbid-1234")
_, err := agent.GetBiography(ctx, "123", "U2", "mbid-1234")
Expect(err).To(HaveOccurred())
Expect(httpClient.RequestCount).To(Equal(1))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(Equal("mbid-1234"))
@@ -61,7 +61,7 @@ var _ = Describe("lastfmAgent", func() {
It("returns an error if Last.FM call returns an error", func() {
httpClient.Res = http.Response{Body: ioutil.NopCloser(bytes.NewBufferString(lastfmError3)), StatusCode: 200}
_, err := agent.GetBiography("123", "U2", "mbid-1234")
_, err := agent.GetBiography(ctx, "123", "U2", "mbid-1234")
Expect(err).To(HaveOccurred())
Expect(httpClient.RequestCount).To(Equal(1))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(Equal("mbid-1234"))
@@ -69,7 +69,7 @@ var _ = Describe("lastfmAgent", func() {
It("returns an error if Last.FM call returns an error 6 and mbid is empty", func() {
httpClient.Res = http.Response{Body: ioutil.NopCloser(bytes.NewBufferString(lastfmError6)), StatusCode: 200}
_, err := agent.GetBiography("123", "U2", "")
_, err := agent.GetBiography(ctx, "123", "U2", "")
Expect(err).To(HaveOccurred())
Expect(httpClient.RequestCount).To(Equal(1))
})
@@ -78,13 +78,13 @@ var _ = Describe("lastfmAgent", func() {
It("calls again when the response is artist == [unknown]", func() {
f, _ := os.Open("tests/fixtures/lastfm.artist.getinfo.unknown.json")
httpClient.Res = http.Response{Body: f, StatusCode: 200}
_, _ = agent.GetBiography("123", "U2", "mbid-1234")
_, _ = agent.GetBiography(ctx, "123", "U2", "mbid-1234")
Expect(httpClient.RequestCount).To(Equal(2))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(BeEmpty())
})
It("calls again when last.fm returns an error 6", func() {
httpClient.Res = http.Response{Body: ioutil.NopCloser(bytes.NewBufferString(lastfmError6)), StatusCode: 200}
_, _ = agent.GetBiography("123", "U2", "mbid-1234")
_, _ = agent.GetBiography(ctx, "123", "U2", "mbid-1234")
Expect(httpClient.RequestCount).To(Equal(2))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(BeEmpty())
})
@@ -104,7 +104,7 @@ var _ = Describe("lastfmAgent", func() {
It("returns similar artists", func() {
f, _ := os.Open("tests/fixtures/lastfm.artist.getsimilar.json")
httpClient.Res = http.Response{Body: f, StatusCode: 200}
Expect(agent.GetSimilar("123", "U2", "mbid-1234", 2)).To(Equal([]agents.Artist{
Expect(agent.GetSimilar(ctx, "123", "U2", "mbid-1234", 2)).To(Equal([]agents.Artist{
{Name: "Passengers", MBID: "e110c11f-1c94-4471-a350-c38f46b29389"},
{Name: "INXS", MBID: "481bf5f9-2e7c-4c44-b08a-05b32bc7c00d"},
}))
@@ -114,7 +114,7 @@ var _ = Describe("lastfmAgent", func() {
It("returns an error if Last.FM call fails", func() {
httpClient.Err = errors.New("error")
_, err := agent.GetSimilar("123", "U2", "mbid-1234", 2)
_, err := agent.GetSimilar(ctx, "123", "U2", "mbid-1234", 2)
Expect(err).To(HaveOccurred())
Expect(httpClient.RequestCount).To(Equal(1))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(Equal("mbid-1234"))
@@ -122,7 +122,7 @@ var _ = Describe("lastfmAgent", func() {
It("returns an error if Last.FM call returns an error", func() {
httpClient.Res = http.Response{Body: ioutil.NopCloser(bytes.NewBufferString(lastfmError3)), StatusCode: 200}
_, err := agent.GetSimilar("123", "U2", "mbid-1234", 2)
_, err := agent.GetSimilar(ctx, "123", "U2", "mbid-1234", 2)
Expect(err).To(HaveOccurred())
Expect(httpClient.RequestCount).To(Equal(1))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(Equal("mbid-1234"))
@@ -130,7 +130,7 @@ var _ = Describe("lastfmAgent", func() {
It("returns an error if Last.FM call returns an error 6 and mbid is empty", func() {
httpClient.Res = http.Response{Body: ioutil.NopCloser(bytes.NewBufferString(lastfmError6)), StatusCode: 200}
_, err := agent.GetSimilar("123", "U2", "", 2)
_, err := agent.GetSimilar(ctx, "123", "U2", "", 2)
Expect(err).To(HaveOccurred())
Expect(httpClient.RequestCount).To(Equal(1))
})
@@ -139,13 +139,13 @@ var _ = Describe("lastfmAgent", func() {
It("calls again when the response is artist == [unknown]", func() {
f, _ := os.Open("tests/fixtures/lastfm.artist.getsimilar.unknown.json")
httpClient.Res = http.Response{Body: f, StatusCode: 200}
_, _ = agent.GetSimilar("123", "U2", "mbid-1234", 2)
_, _ = agent.GetSimilar(ctx, "123", "U2", "mbid-1234", 2)
Expect(httpClient.RequestCount).To(Equal(2))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(BeEmpty())
})
It("calls again when last.fm returns an error 6", func() {
httpClient.Res = http.Response{Body: ioutil.NopCloser(bytes.NewBufferString(lastfmError6)), StatusCode: 200}
_, _ = agent.GetSimilar("123", "U2", "mbid-1234", 2)
_, _ = agent.GetSimilar(ctx, "123", "U2", "mbid-1234", 2)
Expect(httpClient.RequestCount).To(Equal(2))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(BeEmpty())
})
@@ -165,7 +165,7 @@ var _ = Describe("lastfmAgent", func() {
It("returns top songs", func() {
f, _ := os.Open("tests/fixtures/lastfm.artist.gettoptracks.json")
httpClient.Res = http.Response{Body: f, StatusCode: 200}
Expect(agent.GetTopSongs("123", "U2", "mbid-1234", 2)).To(Equal([]agents.Song{
Expect(agent.GetTopSongs(ctx, "123", "U2", "mbid-1234", 2)).To(Equal([]agents.Song{
{Name: "Beautiful Day", MBID: "f7f264d0-a89b-4682-9cd7-a4e7c37637af"},
{Name: "With or Without You", MBID: "6b9a509f-6907-4a6e-9345-2f12da09ba4b"},
}))
@@ -175,7 +175,7 @@ var _ = Describe("lastfmAgent", func() {
It("returns an error if Last.FM call fails", func() {
httpClient.Err = errors.New("error")
_, err := agent.GetTopSongs("123", "U2", "mbid-1234", 2)
_, err := agent.GetTopSongs(ctx, "123", "U2", "mbid-1234", 2)
Expect(err).To(HaveOccurred())
Expect(httpClient.RequestCount).To(Equal(1))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(Equal("mbid-1234"))
@@ -183,7 +183,7 @@ var _ = Describe("lastfmAgent", func() {
It("returns an error if Last.FM call returns an error", func() {
httpClient.Res = http.Response{Body: ioutil.NopCloser(bytes.NewBufferString(lastfmError3)), StatusCode: 200}
_, err := agent.GetTopSongs("123", "U2", "mbid-1234", 2)
_, err := agent.GetTopSongs(ctx, "123", "U2", "mbid-1234", 2)
Expect(err).To(HaveOccurred())
Expect(httpClient.RequestCount).To(Equal(1))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(Equal("mbid-1234"))
@@ -191,7 +191,7 @@ var _ = Describe("lastfmAgent", func() {
It("returns an error if Last.FM call returns an error 6 and mbid is empty", func() {
httpClient.Res = http.Response{Body: ioutil.NopCloser(bytes.NewBufferString(lastfmError6)), StatusCode: 200}
_, err := agent.GetTopSongs("123", "U2", "", 2)
_, err := agent.GetTopSongs(ctx, "123", "U2", "", 2)
Expect(err).To(HaveOccurred())
Expect(httpClient.RequestCount).To(Equal(1))
})
@@ -200,13 +200,13 @@ var _ = Describe("lastfmAgent", func() {
It("calls again when the response is artist == [unknown]", func() {
f, _ := os.Open("tests/fixtures/lastfm.artist.gettoptracks.unknown.json")
httpClient.Res = http.Response{Body: f, StatusCode: 200}
_, _ = agent.GetTopSongs("123", "U2", "mbid-1234", 2)
_, _ = agent.GetTopSongs(ctx, "123", "U2", "mbid-1234", 2)
Expect(httpClient.RequestCount).To(Equal(2))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(BeEmpty())
})
It("calls again when last.fm returns an error 6", func() {
httpClient.Res = http.Response{Body: ioutil.NopCloser(bytes.NewBufferString(lastfmError6)), StatusCode: 200}
_, _ = agent.GetTopSongs("123", "U2", "mbid-1234", 2)
_, _ = agent.GetTopSongs(ctx, "123", "U2", "mbid-1234", 2)
Expect(httpClient.RequestCount).To(Equal(2))
Expect(httpClient.SavedRequest.URL.Query().Get("mbid")).To(BeEmpty())
})