Started implementing getIndex, now with TDD (brought to you by DI)!

api/get_indexes_test.go

@@ -3,18 +3,82 @@ package api_test
 import (
 	"testing"
 
+	"github.com/deluan/gosonic/utils"
 	. "github.com/smartystreets/goconvey/convey"
 	"github.com/deluan/gosonic/tests"
+	"github.com/deluan/gosonic/models"
+	"github.com/deluan/gosonic/repositories"
+	"encoding/xml"
+	"encoding/json"
+	"fmt"
+	"errors"
+	"github.com/deluan/gosonic/api/responses"
 )
 
 func TestGetIndexes(t *testing.T) {
 	tests.Init(t, false)
-
-	_, w := Get(AddParams("/rest/getIndexes.view"), "TestGetIndexes")
+	mockRepo := &mockArtistIndex{}
+	utils.DefineSingleton(new(repositories.ArtistIndex), func() repositories.ArtistIndex {
+		return mockRepo
+	})
 
 	Convey("Subject: GetIndexes Endpoint", t, func() {
-		Convey("Status code should be 200", func() {
-			So(w.Code, ShouldEqual, 200)
+		Convey("Return fail on DB error", func() {
+			mockRepo.err = true
+			_, w := Get(AddParams("/rest/getIndexes.view"), "TestGetIndexes")
+
+			v := responses.Subsonic{}
+			xml.Unmarshal(w.Body.Bytes(), &v)
+			So(v.Status, ShouldEqual, "fail")
+		})
+		Convey("When the index is empty", func() {
+			_, w := Get(AddParams("/rest/getIndexes.view"), "TestGetIndexes")
+
+			Convey("Status code should be 200", func() {
+				So(w.Code, ShouldEqual, 200)
+			})
+			Convey("It should return valid XML", func() {
+				v := new(string)
+				err := xml.Unmarshal(w.Body.Bytes(), &v)
+				So(err, ShouldBeNil)
+			})
+			Convey("Then it should return an empty collection", func() {
+				So(w.Body.String(), ShouldContainSubstring, "<indexes></indexes>")
+			})
+		})
+		Convey("When the index is not empty", func() {
+			mockRepo.data = makeMockData(`[{"Id": "A","Artists": []}]`, 2)
+			_, w := Get(AddParams("/rest/getIndexes.view"), "TestGetIndexes")
+
+			Convey("Then it should return the the items in the response", func() {
+				So(w.Body.String(), ShouldContainSubstring, `<index name="A"></index>`)
+			})
+		})
+		Reset(func() {
+			mockRepo.data = make([]models.ArtistIndex, 0)
+			mockRepo.err = false
 		})
 	})
 }
+
+func makeMockData(j string, length int) []models.ArtistIndex {
+	data := make([]models.ArtistIndex, length)
+	err := json.Unmarshal([]byte(j), &data)
+	if err != nil {
+		fmt.Println("ERROR: ", err)
+	}
+	return data
+}
+
+type mockArtistIndex struct {
+	repositories.ArtistIndexImpl
+	data []models.ArtistIndex
+	err  bool
+}
+
+func (m *mockArtistIndex) GetAll() ([]models.ArtistIndex, error) {
+	if m.err {
+		return nil, errors.New("Error!")
+	}
+	return m.data, nil
+}