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package uadmin

import (

"bytes"

"encoding/json"

"fmt"

"io"

"io/ioutil"

"mime/multipart"

"net/http"

"net/http/httptest"

"os"

"path/filepath"

"time"

)

// TestAPIHandler is a unit testing function for apiHandler() function

func (t *UAdminTests) TestAPIHandler() {

// Test with no auth

r := httptest.NewRequest("GET", "/api", nil)

w := httptest.NewRecorder()

apiHandler(w, r)

if w.Code != http.StatusOK {

t.Errorf("Invalid code on requesting /. %d", w.Code)

}

title, _, _ := getHTMLTag(w.Result().Body, "title")

if title != "uAdmin - Login" {

t.Errorf("Invalid page returned. Expected Login, got (%s)", title)

}

s1 := &Session{

Active: true,

UserID: 1,

LoginTime: time.Now(),

}

s1.GenerateKey()

s1.Save()

tx := db.Begin()

for i := 0; i < 10; i++ {

rec := TestStruct1{

Name: fmt.Sprintf("Record%d", i+1),

Value: i % 2,

}

tx.Create(&rec)

}

tx.Commit()

// Test Search

searchExamples := []struct {

r *http.Request

count int

}{

{httptest.NewRequest("GET", "/api/search/?m=teststruct1&q=Record", nil), 10},

{httptest.NewRequest("GET", "/api/search/?m=teststruct1&q=Record1", nil), 2},

{httptest.NewRequest("GET", "/api/search/?m=teststruct1&q=Record2", nil), 1},

{httptest.NewRequest("GET", "/api/search/?m=teststruct1&q=Records", nil), 0},

{httptest.NewRequest("GET", "/api/search/?m=teststruct1&q=record", nil), 10},

{httptest.NewRequest("GET", "/api/search/?m=teststruct1&q=record1", nil), 2},

{httptest.NewRequest("GET", "/api/search/?m=teststruct1&q=record2", nil), 1},

{httptest.NewRequest("GET", "/api/search/?m=teststruct1&q=records", nil), 0},

{httptest.NewRequest("GET", "/api/search/?m=teststruct1&q=record&o=id", nil), 10},

{httptest.NewRequest("GET", "/api/search/?m=teststruct1&q=record&value=0", nil), 5},

}

c := http.Cookie{}

c.Name = "session"

c.Value = s1.Key

for i, e := range searchExamples {

w = httptest.NewRecorder()

e.r.AddCookie(&c)

apiHandler(w, e.r)

if w.Code != http.StatusOK {

t.Errorf("Invalid code on requesting /api/. %d for request %d", w.Code, i)

continue

}

buf, _ := ioutil.ReadAll(w.Body)

res := map[string]interface{}{}

err := json.Unmarshal(buf, &res)

if err != nil {

t.Errorf("apiHandler returned invalid JSON format during search. %s for request %d", string(buf), i)

continue

}

if _, ok := res["list"]; !ok {

t.Errorf("apiHandler didn't return 'list' for request %d", i)

continue

}

list, ok := res["list"].([]interface{})

if !ok {

t.Errorf("apiHandler 'list' is not a list of values for request %d", i)

continue

}

if len(list) != e.count {

t.Errorf("apiHandler returned the wrong number of values. Got %d, expected %d for request %d", len(list), e.count, i)

continue

}

}

// Test with wrong model name

r = httptest.NewRequest("GET", "/api/search/?m=badname&q=records", nil)

w = httptest.NewRecorder()

r.AddCookie(&c)

apiHandler(w, r)

if w.Code != http.StatusNotFound {

t.Errorf("Invalid code on requesting with wrong model name. %d", w.Code)

}

// Test List Modifier

schema := Schema["teststruct1"]

schema.ListModifier = func(s *ModelSchema, u *User) (string, []interface{}) {

return "value = ?", []interface{}{1}

}

Schema["teststruct1"] = schema

searchExamples = []struct {

r *http.Request

count int

}{

{httptest.NewRequest("GET", "/api/search/?m=teststruct1&q=Record", nil), 5},

}

for i, e := range searchExamples {

w = httptest.NewRecorder()

e.r.AddCookie(&c)

apiHandler(w, e.r)

if w.Code != http.StatusOK {

t.Errorf("Invalid code on requesting /api/. %d for request %d", w.Code, i)

continue

}

buf, _ := ioutil.ReadAll(w.Body)

res := map[string]interface{}{}

err := json.Unmarshal(buf, &res)

if err != nil {

t.Errorf("apiHandler returned invalid JSON format during search. %s for request %d", string(buf), i)

continue

}

if _, ok := res["list"]; !ok {

t.Errorf("apiHandler didn't return 'list' for request %d", i)

continue

}

list, ok := res["list"].([]interface{})

if !ok {

t.Errorf("apiHandler 'list' is not a list of values for request %d", i)

continue

}

if len(list) != e.count {

t.Errorf("apiHandler returned the wrong number of values. Got %d, expected %d for request %d", len(list), e.count, i)

continue

}

}

schema.ListModifier = nil

Schema["teststruct1"] = schema

// Test upload image

r, err := newfileUploadRequest("/api/upload_image/", map[string]string{}, "file", "./static/uadmin/logo.png")

if err != nil {

t.Errorf("newfileUploadRequest unable to create multipart request")

return

}

r.AddCookie(&c)

w = httptest.NewRecorder()

apiHandler(w, r)

if w.Code != http.StatusOK {

t.Errorf("Invalid code on api/image_upload. %d", w.Code)

}

buf, _ := ioutil.ReadAll(w.Body)

res := map[string]string{}

err = json.Unmarshal(buf, &res)

if err != nil {

t.Errorf("apiHandler returned invalid JSON format during image_upload. %s", string(buf))

return

}

if _, ok := res["location"]; !ok {

t.Errorf("apiHandler didn't return 'location' for image_upload")

return

}

if _, err = os.Stat("." + res["location"]); os.IsNotExist(err) {

t.Errorf("apiHandler didn't create image file for image_upload %s", "."+res["location"])

return

}

// Test get_models

r = httptest.NewRequest("GET", "/api/get_models", nil)

w = httptest.NewRecorder()

r.AddCookie(&c)

apiHandler(w, r)

if w.Code != http.StatusOK {

t.Errorf("Invalid code on api/get_models. %d", w.Code)

}

// check results

buf, _ = ioutil.ReadAll(w.Body)

res1 := []string{}

json.Unmarshal(buf, &res1)

if len(res1) != len(modelList) {

t.Errorf("Invalid return on api/get_models. expected %d, got %d", len(modelList), len(res1))

}

r = httptest.NewRequest("GET", "/api/get_fields?m=user", nil)

w = httptest.NewRecorder()

r.AddCookie(&c)

apiHandler(w, r)

if w.Code != http.StatusOK {

t.Errorf("Invalid code on api/get_fields. %d", w.Code)

}

// check results

buf, _ = ioutil.ReadAll(w.Body)

res1 = []string{}

json.Unmarshal(buf, &res1)

schema = Schema["user"]

if len(res1) != len(schema.Fields) {

t.Errorf("Invalid return on api/get_fields. expected %d, got %d", len(modelList), len(res1))

}

}

// Creates a new file upload http request with optional extra params

func newfileUploadRequest(uri string, params map[string]string, paramName, path string) (*http.Request, error) {

file, err := os.Open(path)

if err != nil {

return nil, err

}

defer file.Close()

body := &bytes.Buffer{}

writer := multipart.NewWriter(body)

part, err := writer.CreateFormFile(paramName, filepath.Base(path))

if err != nil {

return nil, err

}

_, err = io.Copy(part, file)

if err != nil {

return nil, err

}

for key, val := range params {

_ = writer.WriteField(key, val)

}

err = writer.Close()

if err != nil {

return nil, err

}

req, err := http.NewRequest("POST", uri, body)

req.Header.Set("Content-Type", writer.FormDataContentType())

return req, err

}