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package image_test
import (
"bytes"
"fmt"
"io/ioutil"
"log"
"mime/multipart"
"net/http"
"net/http/httptest"
"net/textproto"
"os"
"path"
"path/filepath"
"runtime"
"strings"
"testing"
"github.com/go-chi/chi"
"github.com/gomodule/redigo/redis"
"github.com/rafaeljusto/redigomock"
_ "github.com/stretchr/testify/mock"
db "git.ofmax.li/iserv/internal/db/redis"
"git.ofmax.li/iserv/internal/image"
"go.ofmax.li/tmpl"
)
var (
projectRoot string
emptyBody *bytes.Buffer = bytes.NewBuffer([]byte(``))
)
func init() {
_, filename, _, _ := runtime.Caller(0)
projectRoot := path.Join(path.Dir(filename), "../..")
err := os.Chdir(projectRoot)
if err != nil {
panic(err)
}
}
// from go lang src https://golang.org/src/mime/multipart/writer.go
// there seems to be no way to set the content type.
var quoteEscaper = strings.NewReplacer("\\", "\\\\", `"`, "\\\"")
func escapeQuotes(s string) string {
return quoteEscaper.Replace(s)
}
// end go lang src
func createHeader(fieldname, filename, contentType string) textproto.MIMEHeader {
h := make(textproto.MIMEHeader)
h.Set("Content-Disposition", fmt.Sprintf(`form-data; name="%s"; filename="%s"`, escapeQuotes(fieldname), escapeQuotes(filename)))
h.Set("Content-Type", escapeQuotes(contentType))
return h
}
func prepareRequest(t *testing.T, filename, mimeType string) (*multipart.Writer, *bytes.Buffer, error) {
fileDir, _ := os.Getwd()
fileName := filename
filePath := path.Join(fileDir, fileName)
body := &bytes.Buffer{}
writer := multipart.NewWriter(body)
header := createHeader("file", filePath, mimeType)
part, err := writer.CreatePart(header)
if err != nil {
t.Errorf("wtf %s", err)
}
file, err := os.Open(filePath)
if err != nil {
t.Errorf("couldnt open: %s", err)
}
defer file.Close()
fileBytes, err := ioutil.ReadAll(file)
if err != nil {
t.Errorf("couldn't read buffer: %s", fileBytes)
}
part.Write(fileBytes)
writer.Close()
return writer, body, err
}
func prepareImage() (*redigomock.Conn, image.Handler) {
// setup redis for tests
conn := redigomock.NewConn()
pool := &redis.Pool{
// Return the same connection mock for each Get() call.
Dial: func() (redis.Conn, error) { return conn, nil },
MaxIdle: 10,
}
repo := db.NewRedisImageRepo(pool)
// setup image package
imageBuildDir, err := ioutil.TempDir("", "test-images")
if err != nil {
log.Fatal(err)
}
cwd, _ := os.Getwd()
base := filepath.Join(cwd, "templates")
renderer, err := tmpl.NewHTMLTmpl(base)
if err != nil {
log.Fatal(err)
}
defer os.RemoveAll(imageBuildDir)
imageService := image.NewService(repo, imageBuildDir, renderer)
imageHandler := image.NewHandler(imageService)
return conn, imageHandler
}
func TestPostImage(t *testing.T) {
// setup redis for tests
conn := redigomock.NewConn()
pool := &redis.Pool{
// Return the same connection mock for each Get() call.
Dial: func() (redis.Conn, error) { return conn, nil },
MaxIdle: 10,
}
conn.Command("HMSET",
redigomock.NewAnyData(), redigomock.NewAnyData(),
redigomock.NewAnyData(), redigomock.NewAnyData(),
redigomock.NewAnyData(), redigomock.NewAnyData(),
redigomock.NewAnyData(), redigomock.NewAnyData(),
redigomock.NewAnyData(), redigomock.NewAnyData(),
redigomock.NewAnyData(), redigomock.NewAnyData(),
redigomock.NewAnyData())
repo := db.NewRedisImageRepo(pool)
// setup image package
imageBuildDir, err := ioutil.TempDir("", "test-images")
if err != nil {
t.Fatal(err)
}
cwd, _ := os.Getwd()
base := filepath.Join(cwd, "templates")
renderer, err := tmpl.NewHTMLTmpl(base)
if err != nil {
log.Fatal(err)
}
defer os.RemoveAll(imageBuildDir)
imageService := image.NewService(repo, imageBuildDir, renderer)
imageHandler := image.NewHandler(imageService)
handler := http.HandlerFunc(imageHandler.PostImage)
// prep test with png
testImagePath := filepath.Join(projectRoot, "internal/image/t.png")
writer, body, err := prepareRequest(t, testImagePath, "image/png")
if err != nil {
t.Fatal(err)
}
w := httptest.NewRecorder()
r, err := http.NewRequest("POST", "http://example.com", body)
if err != nil {
t.Errorf("%s", err)
}
r.Header.Add("Content-Type", writer.FormDataContentType())
handler.ServeHTTP(w, r)
response := w.Result()
if response.StatusCode != http.StatusCreated {
t.Errorf("image create status 201")
}
// incorrect mime
testImagePDF := filepath.Join(projectRoot, "internal/image/t.pdf")
writer, body, err = prepareRequest(t, testImagePDF, "application/pdf")
if err != nil {
t.Fatal(err)
}
w = httptest.NewRecorder()
r, err = http.NewRequest("POST", "http://example.com", body)
if err != nil {
t.Fatal(err)
}
r.Header.Add("Content-Type", writer.FormDataContentType())
handler.ServeHTTP(w, r)
response = w.Result()
if response.StatusCode != http.StatusBadRequest {
t.Errorf("image create not 400")
}
// sneaky mimetype check
writer, body, err = prepareRequest(t, testImagePath, "image/jpeg")
if err != nil {
t.Fatal(err)
}
w = httptest.NewRecorder()
r, err = http.NewRequest("POST", "http://example.com", body)
if err != nil {
t.Errorf("%s", err)
}
r.Header.Add("Content-Type", writer.FormDataContentType())
handler.ServeHTTP(w, r)
response = w.Result()
if response.StatusCode != http.StatusBadRequest {
t.Errorf("image create not 400")
}
// test image write path && ext
pngs, err := filepath.Glob(filepath.Join(imageBuildDir))
if err != nil {
t.Fatal(err)
}
if len(pngs) != 1 {
t.Error("expected only 1 image to be found")
}
}
func TestGetImage(t *testing.T) {
conn, imageHandler := prepareImage()
getImageResults := []string{"file_path", "imge/name.jpg", "created_at", "'feb 12'", "user_id", "111", "mime_type", "image/jpg", "title", "mine", "desc", "'hoo har'"}
conn.Command("HGETALL", "v1imagepost:fooo").ExpectSlice(getImageResults)
m := chi.NewRouter()
m.Get("/i/{fileName}", imageHandler.GetImage)
srv := httptest.NewServer(m)
defer srv.Close()
// TODO https://github.com/go-chi/chi/blob/39504566046f2c13f4d059bccfe0fe06ed67aab3/mux_test.go#L1662
r, err := http.NewRequest("GET", fmt.Sprintf("%s/i/fooo", srv.URL), emptyBody)
if err != nil {
t.Errorf("%s", err)
}
resp, err := http.DefaultClient.Do(r)
if err != nil {
t.Errorf("%s", err)
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Errorf("%s", err)
}
fmt.Printf("hello: %s", body)
}
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