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babyapi_test.go
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babyapi_test.go
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package babyapi_test
import (
"bytes"
"context"
"encoding/json"
"fmt"
"html/template"
"net/http"
"net/http/httptest"
"strings"
"sync"
"testing"
"time"
"github.com/calvinmclean/babyapi"
babytest "github.com/calvinmclean/babyapi/test"
"github.com/go-chi/render"
"github.com/rs/xid"
"github.com/spf13/cobra"
"github.com/stretchr/testify/require"
)
type Album struct {
babyapi.DefaultResource
Title string `json:"title"`
}
func (a *Album) Patch(newAlbum *Album) *babyapi.ErrResponse {
if newAlbum.Title != "" {
a.Title = newAlbum.Title
}
return nil
}
func waitForAPI(address string) {
const maxLoops = 10
for loops := 0; loops < maxLoops; loops++ {
_, err := http.Get(address)
if err == nil { // Connection timeout is always an error
return
}
time.Sleep(100 * time.Millisecond)
}
}
func TestBabyAPI(t *testing.T) {
api := babyapi.NewAPI("Albums", "/albums", func() *Album { return &Album{} })
api.AddCustomRoute(http.MethodGet, "/teapot", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusTeapot)
}))
api.AddCustomIDRoute(http.MethodGet, "/teapot", api.GetRequestedResourceAndDo(func(_ http.ResponseWriter, r *http.Request, album *Album) (render.Renderer, *babyapi.ErrResponse) {
render.Status(r, http.StatusTeapot)
return album, nil
}))
api.SetGetAllFilter(func(r *http.Request) babyapi.FilterFunc[*Album] {
return func(a *Album) bool {
title := r.URL.Query().Get("title")
return title == "" || a.Title == title
}
})
album1 := &Album{Title: "Album1"}
go func() {
err := api.Serve("localhost:8080")
require.NoError(t, err)
}()
serverURL := "http://localhost:8080"
waitForAPI(serverURL)
client := api.Client(serverURL)
t.Run("PostAlbum", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
result, err := client.Post(context.Background(), album1)
require.NoError(t, err)
album1 = result.Data
require.NotEqual(t, xid.NilID(), album1.GetID())
})
})
t.Run("ActionRoute", func(t *testing.T) {
address, err := client.URL("")
require.NoError(t, err)
req, err := http.NewRequest(http.MethodGet, address+"/teapot", http.NoBody)
require.NoError(t, err)
_, err = client.MakeRequest(req, http.StatusTeapot)
require.NoError(t, err)
})
t.Run("ActionIDRoute", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
address, err := client.URL(album1.GetID())
require.NoError(t, err)
req, err := http.NewRequest(http.MethodGet, address+"/teapot", http.NoBody)
require.NoError(t, err)
_, err = client.MakeRequest(req, http.StatusTeapot)
require.NoError(t, err)
})
})
t.Run("GetAll", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
albums, err := client.GetAll(context.Background(), "")
require.NoError(t, err)
require.ElementsMatch(t, []*Album{album1}, albums.Data.Items)
})
t.Run("SuccessfulWithFilter", func(t *testing.T) {
albums, err := client.GetAll(context.Background(), "title=Album1")
require.NoError(t, err)
require.ElementsMatch(t, []*Album{album1}, albums.Data.Items)
})
t.Run("SuccessfulWithFilterShowingNoResults", func(t *testing.T) {
albums, err := client.GetAll(context.Background(), "title=Album2")
require.NoError(t, err)
require.Len(t, albums.Data.Items, 0)
})
})
t.Run("GetAlbum", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
a, err := client.Get(context.Background(), album1.GetID())
require.NoError(t, err)
require.Equal(t, album1, a.Data)
})
t.Run("NotFound", func(t *testing.T) {
a, err := client.Get(context.Background(), "2")
require.Nil(t, a)
require.Error(t, err)
require.Equal(t, "error getting resource: unexpected response with text: Resource not found.", err.Error())
})
})
t.Run("PatchAlbum", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
a, err := client.Patch(context.Background(), album1.GetID(), &Album{Title: "New Title"})
require.NoError(t, err)
require.Equal(t, "New Title", a.Data.Title)
require.Equal(t, album1.GetID(), a.Data.GetID())
a, err = client.Get(context.Background(), album1.GetID())
require.NoError(t, err)
require.Equal(t, "New Title", a.Data.Title)
require.Equal(t, album1.GetID(), a.Data.GetID())
})
t.Run("NotFound", func(t *testing.T) {
a, err := client.Patch(context.Background(), "2", &Album{Title: "2"})
require.Nil(t, a)
require.Error(t, err)
require.Equal(t, "error patching resource: unexpected response with text: Resource not found.", err.Error())
})
})
t.Run("PutAlbum", func(t *testing.T) {
t.Run("SuccessfulUpdateExisting", func(t *testing.T) {
newAlbum1 := *album1
newAlbum1.Title = "NewAlbum1"
a, err := client.Put(context.Background(), &newAlbum1)
require.NoError(t, err)
require.Equal(t, "NewAlbum1", a.Data.Title)
require.Equal(t, album1.GetID(), a.Data.GetID())
a, err = client.Get(context.Background(), album1.GetID())
require.NoError(t, err)
require.Equal(t, newAlbum1, *a.Data)
})
t.Run("SuccessfulCreateNewAlbum", func(t *testing.T) {
a, err := client.Put(context.Background(), &Album{DefaultResource: babyapi.NewDefaultResource(), Title: "PutNew"})
require.NoError(t, err)
require.Equal(t, "PutNew", a.Data.Title)
})
})
t.Run("DeleteAlbum", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
resp, err := client.Delete(context.Background(), album1.GetID())
require.NoError(t, err)
require.Equal(t, http.NoBody, resp.Response.Body)
})
t.Run("NotFound", func(t *testing.T) {
_, err := client.Delete(context.Background(), album1.GetID())
require.Error(t, err)
require.Equal(t, "error deleting resource: unexpected response with text: Resource not found.", err.Error())
})
})
t.Run("Done", func(t *testing.T) {
var wg sync.WaitGroup
wg.Add(1)
go func() {
timeout := time.After(2 * time.Second)
select {
case <-api.Done():
t.Log("successfully stopped")
case <-timeout:
t.Error("timed out before graceful shutdown")
}
wg.Done()
}()
api.Stop()
wg.Wait()
})
}
type Song struct {
babyapi.DefaultResource
Title string `json:"title"`
}
type SongResponse struct {
*Song
AlbumTitle string `json:"album_title"`
ArtistName string `json:"artist_name"`
api *babyapi.API[*Song] `json:"-"`
}
func (sr *SongResponse) Render(w http.ResponseWriter, r *http.Request) error {
album, err := babyapi.GetResourceFromContext[*Album](r.Context(), sr.api.ParentContextKey())
if err != nil {
return fmt.Errorf("error getting album: %w", err)
}
sr.AlbumTitle = album.Title
artist, err := babyapi.GetResourceFromContext[*Artist](r.Context(), babyapi.ContextKey(sr.api.Parent().Parent().Name()))
if err != nil {
return fmt.Errorf("error getting artist: %w", err)
}
sr.ArtistName = artist.Name
return nil
}
type MusicVideo struct {
babyapi.DefaultResource
Title string `json:"title"`
}
func (m *MusicVideo) Patch(newVideo *MusicVideo) *babyapi.ErrResponse {
if newVideo.Title != "" {
m.Title = newVideo.Title
}
return nil
}
type Artist struct {
babyapi.DefaultResource
Name string `json:"name"`
}
func TestNestedAPI(t *testing.T) {
artistAPI := babyapi.NewAPI("Artists", "/artists", func() *Artist { return &Artist{} })
albumAPI := babyapi.NewAPI("Albums", "/albums", func() *Album { return &Album{} })
musicVideoAPI := babyapi.NewAPI("MusicVideos", "/music_videos", func() *MusicVideo { return &MusicVideo{} })
songAPI := babyapi.NewAPI("Songs", "/songs", func() *Song { return &Song{} })
songAPI.SetResponseWrapper(func(s *Song) render.Renderer {
return &SongResponse{Song: s, api: songAPI}
})
artistAPI.AddNestedAPI(albumAPI).AddNestedAPI(musicVideoAPI)
albumAPI.AddNestedAPI(songAPI)
serverURL, stop := babytest.TestServe[*Artist](t, artistAPI)
defer stop()
artist1 := &Artist{Name: "Artist1"}
album1 := &Album{Title: "Album1"}
musicVideo1 := &MusicVideo{Title: "MusicVideo1"}
song1 := &Song{Title: "Song1"}
var song1Response *SongResponse
artistClient := artistAPI.Client(serverURL)
albumClient := babyapi.NewSubClient[*Artist, *Album](artistClient, "/albums")
musicVideoClient := babyapi.NewSubClient[*Artist, *MusicVideo](artistClient, "/music_videos")
songClient := babyapi.NewSubClient[*Album, *SongResponse](albumClient, "/songs")
t.Run("PostArtist", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
result, err := artistClient.Post(context.Background(), artist1)
require.NoError(t, err)
artist1 = result.Data
})
})
t.Run("PostAlbum", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
result, err := albumClient.Post(context.Background(), album1, artist1.GetID())
require.NoError(t, err)
album1 = result.Data
})
})
t.Run("PostMusicVideo", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
result, err := musicVideoClient.Post(context.Background(), musicVideo1, artist1.GetID())
require.NoError(t, err)
musicVideo1 = result.Data
})
})
t.Run("PostAlbumSong", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
result, err := songClient.Post(context.Background(), &SongResponse{Song: song1}, artist1.GetID(), album1.GetID())
require.NoError(t, err)
song1Response = result.Data
})
t.Run("ErrorParentArtistDNE", func(t *testing.T) {
_, err := songClient.Post(context.Background(), &SongResponse{Song: &Song{Title: "Song2"}}, "2", album1.GetID())
require.Error(t, err)
})
t.Run("ErrorParentAlbumDNE", func(t *testing.T) {
_, err := songClient.Post(context.Background(), &SongResponse{Song: &Song{Title: "Song2"}}, artist1.GetID(), "2")
require.Error(t, err)
})
})
t.Run("GetAlbumSong", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
s, err := songClient.Get(context.Background(), song1Response.GetID(), artist1.GetID(), album1.GetID())
require.NoError(t, err)
require.Equal(t, song1Response, s.Data)
})
t.Run("SuccessfulUsingCLI", func(t *testing.T) {
out, err := runCommand(artistAPI.Command(), []string{
"client", "--pretty=false", "--address", albumClient.Address,
"songs", "get", song1Response.GetID(),
"--artists-id", artist1.GetID(), "--albums-id", album1.GetID(),
})
require.NoError(t, err)
var result *SongResponse
err = json.Unmarshal([]byte(out), &result)
require.NoError(t, err)
require.Equal(t, song1Response, result)
out, err = runCommand(artistAPI.Command(), []string{
"client", "--pretty=false", "--address", albumClient.Address,
"songs", "get",
"--albums-id", album1.GetID(), "--artists-id", artist1.GetID(),
song1Response.GetID(),
})
require.NoError(t, err)
err = json.Unmarshal([]byte(out), &result)
require.NoError(t, err)
require.Equal(t, song1Response, result)
})
t.Run("SuccessfulParsedAsSongResponse", func(t *testing.T) {
req, err := songClient.NewRequestWithParentIDs(context.Background(), http.MethodGet, http.NoBody, song1Response.GetID(), artist1.GetID(), album1.GetID())
require.NoError(t, err)
resp, err := songClient.MakeRequest(req, http.StatusOK)
require.NoError(t, err)
require.Equal(t, "Album1", resp.Data.AlbumTitle)
require.Equal(t, "Artist1", resp.Data.ArtistName)
})
t.Run("NotFound", func(t *testing.T) {
_, err := songClient.Get(context.Background(), "2", artist1.GetID(), album1.GetID())
require.Error(t, err)
require.Equal(t, "error getting resource: unexpected response with text: Resource not found.", err.Error())
})
t.Run("NotFoundBecauseParentDNE", func(t *testing.T) {
_, err := songClient.Get(context.Background(), song1Response.GetID(), artist1.GetID(), "2")
require.Error(t, err)
require.Equal(t, "error getting resource: unexpected response with text: Resource not found.", err.Error())
})
})
t.Run("GetAllAlbums", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
albums, err := albumClient.GetAll(context.Background(), "", artist1.GetID())
require.NoError(t, err)
require.ElementsMatch(t, []*Album{album1}, albums.Data.Items)
})
})
t.Run("GetAllSongs", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
songs, err := songClient.GetAll(context.Background(), "", artist1.GetID(), album1.GetID())
require.NoError(t, err)
require.ElementsMatch(t, []*SongResponse{song1Response}, songs.Data.Items)
})
})
t.Run("PatchSong", func(t *testing.T) {
t.Run("MethodNotAllowed", func(t *testing.T) {
_, err := songClient.Patch(context.Background(), song1Response.GetID(), &SongResponse{Song: &Song{Title: "NewTitle"}}, artist1.GetID(), album1.GetID())
require.Error(t, err)
require.Equal(t, "error patching resource: unexpected response with text: Method not allowed.", err.Error())
})
})
}
func runCommand(cmd *cobra.Command, args []string) (string, error) {
var buf bytes.Buffer
cmd.SetArgs(args)
cmd.SetOut(&buf)
err := cmd.Execute()
return buf.String(), err
}
func TestCLI(t *testing.T) {
tests := []struct {
name string
args []string
expectedRegexp string
expectedErr bool
}{
{
"GetAll",
[]string{"Albums", "list"},
`\[\{"id":"cljcqg5o402e9s28rbp0","title":"New Album"\}\]`,
false,
},
{
"Post",
[]string{"Albums", "post", "-d", `{"title": "OtherNewAlbum"}`},
`\{"id":"[0-9a-v]{20}","title":"OtherNewAlbum"\}`,
false,
},
{
"PostMissingArgs",
[]string{"Albums", "post"},
`required flag\(s\) "data" not set`,
true,
},
{
"PostError",
[]string{"Albums", "post", "-d", `bad request`},
`{"error":"invalid character 'b' looking for beginning of value","status":"Invalid request."}`,
false,
},
{
"Patch",
[]string{"Albums", "patch", "cljcqg5o402e9s28rbp0", "-d", `{"title":"NewTitle"}`},
`\{"id":"cljcqg5o402e9s28rbp0","title":"NewTitle"\}`,
false,
},
{
"Put",
[]string{"Albums", "put", "cljcqg5o402e9s28rbp0", "-d", `{"id":"cljcqg5o402e9s28rbp0","title":"NewAlbum"}`},
`\{"id":"cljcqg5o402e9s28rbp0","title":"NewAlbum"\}`,
false,
},
{
"PutError",
[]string{"Albums", "put", "cljcqg5o402e9s28rbp0", "-d", `{"title":"NewAlbum"}`},
`{"error":"missing required id field","status":"Invalid request."}`,
false,
},
{
"GetByID",
[]string{"Albums", "get", "cljcqg5o402e9s28rbp0"},
`\{"id":"cljcqg5o402e9s28rbp0","title":"NewAlbum"\}`,
false,
},
{
"GetByIDMissingArgs",
[]string{"Albums", "get"},
`at least one argument required`,
true,
},
{
"GetAllSongs",
[]string{"Songs", "list", "--albums-id", "cljcqg5o402e9s28rbp0"},
`\[{"id":"clknc0do4023onrn3bqg","title":"NewSong"}\]`,
false,
},
{
"GetSongByID",
[]string{"Songs", "get", "clknc0do4023onrn3bqg", "--albums-id", "cljcqg5o402e9s28rbp0"},
`{"id":"clknc0do4023onrn3bqg","title":"NewSong"}`,
false,
},
{
"GetSongByIDMissingParentID",
[]string{"Songs", "get", "clknc0do4023onrn3bqg"},
`required flag\(s\) "albums-id" not set`,
true,
},
{
"PostSong",
[]string{"Songs", "post", "-d", `{"title": "new song"}`, "--albums-id", "cljcqg5o402e9s28rbp0"},
`\{"id":"[0-9a-v]{20}","title":"new song"\}`,
false,
},
{
"Delete",
[]string{"Albums", "delete", "cljcqg5o402e9s28rbp0"},
``,
false,
},
{
"DeleteMissingArgs",
[]string{"Albums", "delete"},
`at least one argument required`,
true,
},
{
"GetByIDNotFound",
[]string{"Albums", "get", "cljcqg5o402e9s28rbp0"},
`{"status":"Resource not found."}`,
false,
},
{
"DeleteNotFound",
[]string{"Albums", "delete", "cljcqg5o402e9s28rbp0"},
`{"status":"Resource not found."}`,
false,
},
{
"PatchNotFound",
[]string{"Albums", "patch", "cljcqg5o402e9s28rbp0", "-d", ""},
`{"status":"Resource not found."}`,
false,
},
{
"PatchMissingArgs",
[]string{"Albums", "patch"},
`required flag\(s\) "data" not set`,
true,
},
{
"PutMissingArgs",
[]string{"Albums", "put"},
`required flag\(s\) "data" not set`,
true,
},
}
api := babyapi.NewAPI("Albums", "/albums", func() *Album { return &Album{} })
songAPI := babyapi.NewAPI("Songs", "/songs", func() *Song { return &Song{} })
api.AddNestedAPI(songAPI)
api.SetGetAllFilter(func(r *http.Request) babyapi.FilterFunc[*Album] {
return func(a *Album) bool {
title := r.URL.Query().Get("title")
return title == "" || a.Title == title
}
})
go func() {
_, err := runCommand(api.Command(), []string{"serve", "--address", "localhost:8080"})
require.NoError(t, err)
}()
address := "http://localhost:8080"
waitForAPI(address)
// Create hard-coded album so we can use the ID
album := &Album{DefaultResource: babyapi.NewDefaultResource(), Title: "New Album"}
album.DefaultResource.ID.ID, _ = xid.FromString("cljcqg5o402e9s28rbp0")
_, err := api.Client(address).Put(context.Background(), album)
require.NoError(t, err)
// Create hard-coded song so we can use the ID
song := &Song{DefaultResource: babyapi.NewDefaultResource(), Title: "NewSong"}
song.DefaultResource.ID.ID, _ = xid.FromString("clknc0do4023onrn3bqg")
songClient := babyapi.NewSubClient[*Album, *Song](api.Client(address), "/songs")
_, err = songClient.Put(context.Background(), song, album.GetID())
require.NoError(t, err)
t.Run("GetAllQueryParams", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
out, err := runCommand(api.Command(), []string{"client", "--pretty=false", "--address", address, "--query", "title=New Album", "Albums", "list"})
require.NoError(t, err)
require.Equal(t, `{"items":[{"id":"cljcqg5o402e9s28rbp0","title":"New Album"}]}`, strings.TrimSpace(out))
})
t.Run("NoMatch", func(t *testing.T) {
out, err := runCommand(api.Command(), []string{"client", "--pretty=false", "--address", address, "--query", "title=badTitle", "Albums", "list"})
require.NoError(t, err)
require.Equal(t, `{"items":[]}`, strings.TrimSpace(out))
})
})
t.Run("RunWithoutAddress", func(t *testing.T) {
out, err := runCommand(api.Command(), []string{"client", "--pretty=false", "--query", "title=New Album", "Albums", "list"})
require.NoError(t, err)
require.Equal(t, `{"items":[{"id":"cljcqg5o402e9s28rbp0","title":"New Album"}]}`, strings.TrimSpace(out))
})
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
baseArgs := []string{"client", "--pretty=false", "--address", address}
out, err := runCommand(api.Command(), append(baseArgs, tt.args...))
if !tt.expectedErr {
require.NoError(t, err)
require.Regexp(t, tt.expectedRegexp, strings.TrimSpace(out))
if tt.expectedRegexp == "" {
require.Equal(t, tt.expectedRegexp, strings.TrimSpace(out))
}
} else {
if err == nil {
fmt.Println(out)
}
require.Error(t, err)
require.Regexp(t, tt.expectedRegexp, err.Error())
}
})
}
api.Stop()
}
type UnorderedList struct {
Items []*ListItem
}
func (ul *UnorderedList) Render(w http.ResponseWriter, r *http.Request) error {
return nil
}
func (ul *UnorderedList) HTML(_ http.ResponseWriter, r *http.Request) string {
templates := map[string]string{
"ul": `<ul>
{{- range .Items }}
{{ template "li" . }}
{{- end }}
</ul>`,
"li": `<li>{{ .Content }}</li>`,
}
return babyapi.MustRenderHTMLMap(nil, templates, "ul", ul)
}
type ListItem struct {
babyapi.DefaultResource
Content string
}
func (d *ListItem) HTML(http.ResponseWriter, *http.Request) string {
tmpl := template.Must(template.New("li").Parse(`<li>{{ .Content }}</li>`))
return babyapi.MustRenderHTML(tmpl, d)
}
func TestHTML(t *testing.T) {
api := babyapi.NewAPI("Items", "/items", func() *ListItem { return &ListItem{} })
api.SetGetAllResponseWrapper(func(d []*ListItem) render.Renderer {
return &UnorderedList{d}
})
item1 := &ListItem{
DefaultResource: babyapi.NewDefaultResource(),
Content: "Item1",
}
address, closer := babytest.TestServe[*ListItem](t, api)
defer closer()
client := api.Client(address)
t.Run("CreateItem", func(t *testing.T) {
err := api.Storage.Set(context.Background(), item1)
require.NoError(t, err)
})
t.Run("GetItemHTML", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
url, err := client.URL(item1.GetID())
require.NoError(t, err)
req, err := http.NewRequest(http.MethodGet, url, http.NoBody)
require.NoError(t, err)
req.Header.Set("Accept", "text/html")
resp, err := client.MakeRequest(req, http.StatusOK)
require.NoError(t, err)
require.Equal(t, "<li>Item1</li>", resp.Body)
})
})
t.Run("GetAllItemsHTML", func(t *testing.T) {
t.Run("Successful", func(t *testing.T) {
url, err := client.URL("")
require.NoError(t, err)
req, err := http.NewRequest(http.MethodGet, url, http.NoBody)
require.NoError(t, err)
req.Header.Set("Accept", "text/html")
resp, err := client.MakeRequest(req, http.StatusOK)
require.NoError(t, err)
require.Equal(t, `<ul>
<li>Item1</li>
</ul>`, resp.Body)
})
})
}
func TestServerSentEvents(t *testing.T) {
api := babyapi.NewAPI("Items", "/items", func() *ListItem { return &ListItem{} })
api.SetGetAllResponseWrapper(func(d []*ListItem) render.Renderer {
return &UnorderedList{d}
})
events := api.AddServerSentEventHandler("/events")
address, closer := babytest.TestServe[*ListItem](t, api)
defer closer()
item1 := &ListItem{
DefaultResource: babyapi.NewDefaultResource(),
Content: "Item1",
}
t.Run("CreateItem", func(t *testing.T) {
err := api.Storage.Set(context.Background(), item1)
require.NoError(t, err)
})
t.Run("GetServerSentEventsEndpoint", func(t *testing.T) {
quitTest := make(chan bool)
go func() {
for {
select {
case <-quitTest:
return
default:
events <- &babyapi.ServerSentEvent{
Event: "event",
Data: "hello",
}
}
}
}()
response, err := http.Get(address + "/items/events")
quitTest <- true
require.NoError(t, err)
defer response.Body.Close()
require.Equal(t, http.StatusOK, response.StatusCode)
expected := `event: event
data: hello
`
body := make([]byte, len(expected))
n, err := response.Body.Read(body)
require.NoError(t, err)
require.Equal(t, expected, string(body[:n]))
})
}
func TestMustRenderHTML(t *testing.T) {
tmpl := template.Must(template.New("test").Parse("{{ .UndefinedVariable }}"))
require.Panics(t, func() {
babyapi.MustRenderHTML(tmpl, "string is bad input")
})
}
func TestAPIModifiers(t *testing.T) {
middleware := 0
idMiddlewareWithRequestResource := 0
idMiddleware := 0
beforeDelete := 0
afterDelete := 0
onCreateOrUpdate := 0
afterCreateOrUpdate := 0
api := babyapi.NewAPI("Albums", "/albums", func() *Album { return &Album{} }).
SetCustomResponseCode(http.MethodPut, http.StatusTeapot).
AddMiddleware(func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
middleware++
next.ServeHTTP(w, r)
})
}).
SetOnCreateOrUpdate(func(w http.ResponseWriter, r *http.Request, a *Album) *babyapi.ErrResponse {
onCreateOrUpdate++
return nil
}).
SetAfterCreateOrUpdate(func(w http.ResponseWriter, r *http.Request, a *Album) *babyapi.ErrResponse {
afterCreateOrUpdate++
return nil
}).
SetBeforeDelete(func(http.ResponseWriter, *http.Request) *babyapi.ErrResponse {
beforeDelete++
return nil
}).
SetAfterDelete(func(http.ResponseWriter, *http.Request) *babyapi.ErrResponse {
afterDelete++
return nil
})
api.AddIDMiddleware(api.GetRequestedResourceAndDoMiddleware(
func(_ http.ResponseWriter, r *http.Request, a *Album) (*http.Request, *babyapi.ErrResponse) {
require.NotNil(t, a)
idMiddlewareWithRequestResource++
return r, nil
},
))
api.AddIDMiddleware(func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
idMiddleware++
next.ServeHTTP(w, r)
})
})
albumID := "cljcqg5o402e9s28rbp0"
t.Run("CreateResource", func(t *testing.T) {
body := bytes.NewBufferString(fmt.Sprintf(`{"Title": "NewAlbum", "ID": "%s"}`, albumID))
r, err := http.NewRequest(http.MethodPut, "/albums/"+albumID, body)
require.NoError(t, err)
r.Header.Add("Content-Type", "application/json")
w := babytest.TestRequest[*Album](t, api, r)
require.Equal(t, http.StatusTeapot, w.Result().StatusCode)
})
t.Run("DeleteResource", func(t *testing.T) {
r, err := http.NewRequest(http.MethodDelete, "/albums/"+albumID, http.NoBody)
require.NoError(t, err)
w := babytest.TestRequest[*Album](t, api, r)
require.Equal(t, http.StatusNoContent, w.Result().StatusCode)
})
t.Run("GetResourceNotFound", func(t *testing.T) {
r, err := http.NewRequest(http.MethodGet, "/albums/DoesNotExist", http.NoBody)
require.NoError(t, err)
w := babytest.TestRequest[*Album](t, api, r)
require.Equal(t, http.StatusNotFound, w.Result().StatusCode)
})
t.Run("AssertAllMiddlewaresUsed", func(t *testing.T) {
// All requests hit this middleware
require.Equal(t, 3, middleware)
// All ID requests hit this except for the GET 404
require.Equal(t, 2, idMiddleware)
// Only hit for DELETE because PUT doesn't use it for creating new resources and GET had 404
require.Equal(t, 1, idMiddlewareWithRequestResource)
require.Equal(t, 1, beforeDelete)
require.Equal(t, 1, afterDelete)
require.Equal(t, 1, onCreateOrUpdate)
require.Equal(t, 1, afterCreateOrUpdate)
})
}
func TestAPIModifierErrors(t *testing.T) {
t.Run("OnCreateOrUpdateErrors", func(t *testing.T) {
api := babyapi.NewAPI("Albums", "/albums", func() *Album { return &Album{} })
albumID := "cljcqg5o402e9s28rbp0"
api.SetOnCreateOrUpdate(func(http.ResponseWriter, *http.Request, *Album) *babyapi.ErrResponse {
return babyapi.ErrRender(fmt.Errorf("test error"))
})
body := bytes.NewBufferString(fmt.Sprintf(`{"Title": "NewAlbum", "ID": "%s"}`, albumID))
r, err := http.NewRequest(http.MethodPut, "/albums/"+albumID, body)
require.NoError(t, err)
r.Header.Add("Content-Type", "application/json")
w := babytest.TestRequest[*Album](t, api, r)
require.Equal(t, http.StatusUnprocessableEntity, w.Result().StatusCode)
allAlbums, err := api.Storage.GetAll(context.Background(), nil)
require.NoError(t, err)
require.Equal(t, 0, len(allAlbums))
})
t.Run("AfterCreateOrUpdateErrors", func(t *testing.T) {
api := babyapi.NewAPI("Albums", "/albums", func() *Album { return &Album{} })
albumID := "cljcqg5o402e9s28rbp0"
api.SetAfterCreateOrUpdate(func(http.ResponseWriter, *http.Request, *Album) *babyapi.ErrResponse {
return babyapi.ErrRender(fmt.Errorf("test error"))
})
body := bytes.NewBufferString(fmt.Sprintf(`{"Title": "NewAlbum", "ID": "%s"}`, albumID))
r, err := http.NewRequest(http.MethodPut, "/albums/"+albumID, body)
require.NoError(t, err)
r.Header.Add("Content-Type", "application/json")
w := babytest.TestRequest[*Album](t, api, r)
require.Equal(t, http.StatusUnprocessableEntity, w.Result().StatusCode)
allAlbums, err := api.Storage.GetAll(context.Background(), nil)
require.NoError(t, err)
require.Greater(t, len(allAlbums), 0)
})
t.Run("BeforeDeleteErrors", func(t *testing.T) {
})
t.Run("BeforeDeleteErrors", func(t *testing.T) {
api := babyapi.NewAPI("Albums", "/albums", func() *Album { return &Album{} })
albumID := "cljcqg5o402e9s28rbp0"
api.SetBeforeDelete(func(http.ResponseWriter, *http.Request) *babyapi.ErrResponse {
return babyapi.ErrRender(fmt.Errorf("test error"))
})
t.Run("CreateInitialAlbum", func(t *testing.T) {
body := bytes.NewBufferString(fmt.Sprintf(`{"Title": "NewAlbum", "ID": "%s"}`, albumID))
r, err := http.NewRequest(http.MethodPut, "/albums/"+albumID, body)
require.NoError(t, err)
r.Header.Add("Content-Type", "application/json")
babytest.TestRequest[*Album](t, api, r)
allAlbums, err := api.Storage.GetAll(context.Background(), nil)
require.NoError(t, err)
require.Greater(t, len(allAlbums), 0)
})
t.Run("MakeDeleteRequest", func(t *testing.T) {
r, err := http.NewRequest(http.MethodDelete, "/albums/"+albumID, http.NoBody)
require.NoError(t, err)
w := babytest.TestRequest[*Album](t, api, r)
require.Equal(t, http.StatusUnprocessableEntity, w.Result().StatusCode)
allAlbums, err := api.Storage.GetAll(context.Background(), nil)
require.NoError(t, err)
require.Equal(t, len(allAlbums), 1)
})
})
t.Run("AfterDeleteErrors", func(t *testing.T) {
api := babyapi.NewAPI("Albums", "/albums", func() *Album { return &Album{} })
albumID := "cljcqg5o402e9s28rbp0"
api.SetAfterDelete(func(http.ResponseWriter, *http.Request) *babyapi.ErrResponse {
return babyapi.ErrRender(fmt.Errorf("test error"))
})
t.Run("CreateInitialAlbum", func(t *testing.T) {
body := bytes.NewBufferString(fmt.Sprintf(`{"Title": "NewAlbum", "ID": "%s"}`, albumID))
r, err := http.NewRequest(http.MethodPut, "/albums/"+albumID, body)
require.NoError(t, err)
r.Header.Add("Content-Type", "application/json")
babytest.TestRequest[*Album](t, api, r)
allAlbums, err := api.Storage.GetAll(context.Background(), nil)
require.NoError(t, err)
require.Greater(t, len(allAlbums), 0)
})
t.Run("MakeDeleteRequest", func(t *testing.T) {
r, err := http.NewRequest(http.MethodDelete, "/albums/"+albumID, http.NoBody)
require.NoError(t, err)
w := babytest.TestRequest[*Album](t, api, r)
require.Equal(t, http.StatusUnprocessableEntity, w.Result().StatusCode)
allAlbums, err := api.Storage.GetAll(context.Background(), nil)
require.NoError(t, err)
afterCount := len(allAlbums)
require.Less(t, afterCount, 1)
})
})
}
func TestRootAPIWithMiddlewareAndCustomHandlers(t *testing.T) {
t.Run("CustomizationsForIDsCauseError", func(t *testing.T) {
api := babyapi.NewRootAPI("root", "/")
api.AddCustomIDRoute("", "", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
api.AddIDMiddleware(func(h http.Handler) http.Handler {
return nil
})
_, err := runCommand(api.Command(), []string{"serve"})
require.Error(t, err)
require.ErrorAs(t, err, &babyapi.BuilderError{})