category_test.go

package spotify

import (
	"context"
	"net/http"
	"testing"
)

func TestGetCategories(t *testing.T) {
	client, server := testClientString(http.StatusOK, getCategories)
	defer server.Close()

	page, err := client.GetCategories(context.Background())
	if err != nil {
		t.Fatal(err)
	}
	if l := len(page.Categories); l != 2 {
		t.Fatalf("Expected 2 categories, got %d\n", l)
	}
	if name := page.Categories[1].Name; name != "Mood" {
		t.Errorf("Expected 'Mood', got '%s'", name)
	}
}

func TestGetCategory(t *testing.T) {
	client, server := testClientString(http.StatusOK, getCategory)
	defer server.Close()

	cat, err := client.GetCategory(context.Background(), "dinner")
	if err != nil {
		t.Fatal(err)
	}
	if cat.ID != "dinner" || cat.Name != "Dinner" {
		t.Errorf("Invalid name/id (%s, %s)\n", cat.Name, cat.ID)
	}
}

func TestGetCategoryPlaylists(t *testing.T) {
	client, server := testClientString(http.StatusOK, getCategoryPlaylists)
	defer server.Close()

	page, err := client.GetCategoryPlaylists(context.Background(), "dinner")
	if err != nil {
		t.Fatal(err)
	}
	if l := len(page.Playlists); l != 2 {
		t.Fatalf("Expected 2 playlists, got %d\n", l)
	}
	if name := page.Playlists[0].Name; name != "Dinner with Friends" {
		t.Errorf("Expected 'Dinner with Friends', got '%s'\n", name)
	}
	if tracks := page.Playlists[1].Tracks.Total; tracks != 91 {
		t.Errorf("Expected 'Dinner Music' to have 91 tracks, but got %d\n", tracks)
	}
	if page.Total != 36 {
		t.Errorf("Expected 26 playlists in category 'dinner' - got %d\n", page.Total)
	}
}

func TestGetCategoryOpt(t *testing.T) {
	client, server := testClientString(http.StatusNotFound, "", func(r *http.Request) {
		// verify that the optional parameters were included in the request
		values := r.URL.Query()
		if c := values.Get("country"); c != CountryBrazil {
			t.Errorf("Expected country '%s', got '%s'\n", CountryBrazil, c)
		}
		if l := values.Get("locale"); l != "es_MX" {
			t.Errorf("Expected locale 'es_MX', got '%s'\n", l)
		}
	})
	defer server.Close()

	_, err := client.GetCategory(context.Background(), "id", Country(CountryBrazil), Locale("es_MX"))
	if err == nil {
		t.Fatal("Expected error")
	}
}

func TestGetCategoryPlaylistsOpt(t *testing.T) {
	client, server := testClientString(http.StatusNotFound, "", func(r *http.Request) {
		values := r.URL.Query()
		if c := values.Get("country"); c != "" {
			t.Errorf("Country should not have been set, got %s\n", c)
		}
		if l := values.Get("limit"); l != "5" {
			t.Errorf("Expected limit 5, got %s\n", l)
		}
		if o := values.Get("offset"); o != "10" {
			t.Errorf("Expected offset 10, got %s\n", o)
		}
	})
	defer server.Close()

	_, err := client.GetCategoryPlaylists(context.Background(), "id", Limit(5), Offset(10))
	if want := "Not Found"; err == nil || err.Error() != want {
		t.Errorf("Expected error: want %v, got %v", want, err)
	}
}

func TestGetCategoriesInvalidToken(t *testing.T) {
	client, server := testClientString(http.StatusUnauthorized, invalidToken)
	defer server.Close()

	_, err := client.GetCategories(context.Background())
	if err == nil {
		t.Fatal("Expected error but didn't get one")
	}
	serr, ok := err.(Error)
	if !ok {
		t.Fatal("Expected a 'spotify.Error'")
	}
	if serr.Status != http.StatusUnauthorized {
		t.Error("Error didn't have status code 401")
	}
}

var getCategories = `
{
  "categories" : {
    "href" : "https://api.spotify.com/v1/browse/categories?country=CA&offset=0&limit=2",
    "items" : [ {
      "href" : "https://api.spotify.com/v1/browse/categories/toplists",
      "icons" : [ {
        "height" : 275,
        "url" : "https://datsnxq1rwndn.cloudfront.net/media/derived/toplists_11160599e6a04ac5d6f2757f5511778f_0_0_275_275.jpg",
        "width" : 275
      } ],
      "id" : "toplists",
      "name" : "Top Lists"
    }, {
      "href" : "https://api.spotify.com/v1/browse/categories/mood",
      "icons" : [ {
        "height" : 274,
        "url" : "https://datsnxq1rwndn.cloudfront.net/media/original/mood-274x274_976986a31ac8c49794cbdc7246fd5ad7_274x274.jpg",
        "width" : 274
      } ],
      "id" : "mood",
      "name" : "Mood"
    } ],
    "limit" : 2,
    "next" : "https://api.spotify.com/v1/browse/categories?country=CA&offset=2&limit=2",
    "offset" : 0,
    "previous" : null,
    "total" : 31
  }
}`

var getCategory = `
{
  "href" : "https://api.spotify.com/v1/browse/categories/dinner",
  "icons" : [ {
    "height" : 274,
    "url" : "https://datsnxq1rwndn.cloudfront.net/media/original/dinner_1b6506abba0ba52c54e6d695c8571078_274x274.jpg",
    "width" : 274
  } ],
  "id" : "dinner",
  "name" : "Dinner"
}`

var getCategoryPlaylists = `
{
  "playlists" : {
    "href" : "https://api.spotify.com/v1/browse/categories/dinner/playlists?offset=0&limit=2",
    "items" : [ {
      "collaborative" : false,
      "external_urls" : {
        "spotify" : "http://open.spotify.com/user/spotify/playlist/59ZbFPES4DQwEjBpWHzrtC"
      },
      "href" : "https://api.spotify.com/v1/users/spotify/playlists/59ZbFPES4DQwEjBpWHzrtC",
      "id" : "59ZbFPES4DQwEjBpWHzrtC",
      "images" : [ {
        "height" : 300,
        "url" : "https://i.scdn.co/image/68b6a65573a55095e9c0c0c33a274b18e0422736",
        "width" : 300
      } ],
      "name" : "Dinner with Friends",
      "owner" : {
        "external_urls" : {
          "spotify" : "http://open.spotify.com/user/spotify"
        },
        "href" : "https://api.spotify.com/v1/users/spotify",
        "id" : "spotify",
        "type" : "user",
        "uri" : "spotify:user:spotify"
      },
      "public" : null,
      "tracks" : {
        "href" : "https://api.spotify.com/v1/users/spotify/playlists/59ZbFPES4DQwEjBpWHzrtC/tracks",
        "total" : 98
      },
      "type" : "playlist",
      "uri" : "spotify:user:spotify:playlist:59ZbFPES4DQwEjBpWHzrtC"
    }, {
      "collaborative" : false,
      "external_urls" : {
        "spotify" : "http://open.spotify.com/user/spotify/playlist/1WDw5izv4UhpobNdGXQug7"
      },
      "href" : "https://api.spotify.com/v1/users/spotify/playlists/1WDw5izv4UhpobNdGXQug7",
      "id" : "1WDw5izv4UhpobNdGXQug7",
      "images" : [ {
        "height" : 300,
        "url" : "https://i.scdn.co/image/acdcc5e1aa4e9c1db523d684a35f9c0785e50152",
        "width" : 300
      } ],
      "name" : "Dinner Music",
      "owner" : {
        "external_urls" : {
          "spotify" : "http://open.spotify.com/user/spotify"
        },
        "href" : "https://api.spotify.com/v1/users/spotify",
        "id" : "spotify",
        "type" : "user",
        "uri" : "spotify:user:spotify"
      },
      "public" : null,
      "tracks" : {
        "href" : "https://api.spotify.com/v1/users/spotify/playlists/1WDw5izv4UhpobNdGXQug7/tracks",
        "total" : 91
      },
      "type" : "playlist",
      "uri" : "spotify:user:spotify:playlist:1WDw5izv4UhpobNdGXQug7"
    } ],
    "limit" : 2,
    "next" : "https://api.spotify.com/v1/browse/categories/dinner/playlists?offset=2&limit=2",
    "offset" : 0,
    "previous" : null,
    "total" : 36
  }
}`

var invalidToken = `
{
  "error": {
    "status": 401,
    "message": "Invalid access token"
  }
}`