PLT-4938 Add app package and move logic over from api package (#4931)

* Add app package and move logic over from api package

* Change app package functions to return errors

* Move non-api tests into app package

* Fix merge

app/apptestlib.go

@@ -0,0 +1,191 @@
+// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package app
+
+import (
+	"time"
+
+	"github.com/mattermost/platform/model"
+	"github.com/mattermost/platform/utils"
+
+	l4g "github.com/alecthomas/log4go"
+)
+
+type TestHelper struct {
+	BasicTeam    *model.Team
+	BasicUser    *model.User
+	BasicUser2   *model.User
+	BasicChannel *model.Channel
+	BasicPost    *model.Post
+}
+
+func SetupEnterprise() *TestHelper {
+	if Srv == nil {
+		utils.TranslationsPreInit()
+		utils.LoadConfig("config.json")
+		utils.InitTranslations(utils.Cfg.LocalizationSettings)
+		utils.Cfg.TeamSettings.MaxUsersPerTeam = 50
+		*utils.Cfg.RateLimitSettings.Enable = false
+		utils.DisableDebugLogForTest()
+		utils.License.Features.SetDefaults()
+		NewServer()
+		InitStores()
+		StartServer()
+		utils.InitHTML()
+		utils.EnableDebugLogForTest()
+		Srv.Store.MarkSystemRanUnitTests()
+
+		*utils.Cfg.TeamSettings.EnableOpenServer = true
+	}
+
+	return &TestHelper{}
+}
+
+func Setup() *TestHelper {
+	if Srv == nil {
+		utils.TranslationsPreInit()
+		utils.LoadConfig("config.json")
+		utils.InitTranslations(utils.Cfg.LocalizationSettings)
+		utils.Cfg.TeamSettings.MaxUsersPerTeam = 50
+		*utils.Cfg.RateLimitSettings.Enable = false
+		utils.DisableDebugLogForTest()
+		NewServer()
+		InitStores()
+		StartServer()
+		utils.EnableDebugLogForTest()
+		Srv.Store.MarkSystemRanUnitTests()
+
+		*utils.Cfg.TeamSettings.EnableOpenServer = true
+	}
+
+	return &TestHelper{}
+}
+
+func (me *TestHelper) InitBasic() *TestHelper {
+	me.BasicTeam = me.CreateTeam()
+	me.BasicUser = me.CreateUser()
+	LinkUserToTeam(me.BasicUser, me.BasicTeam)
+	me.BasicUser2 = me.CreateUser()
+	LinkUserToTeam(me.BasicUser2, me.BasicTeam)
+	me.BasicChannel = me.CreateChannel(me.BasicTeam)
+	me.BasicPost = me.CreatePost(me.BasicChannel)
+
+	return me
+}
+
+func (me *TestHelper) CreateTeam() *model.Team {
+	id := model.NewId()
+	team := &model.Team{
+		DisplayName: "dn_" + id,
+		Name:        "name" + id,
+		Email:       "success+" + id + "@simulator.amazonses.com",
+		Type:        model.TEAM_OPEN,
+	}
+
+	utils.DisableDebugLogForTest()
+	var err *model.AppError
+	if team, err = CreateTeam(team); err != nil {
+		l4g.Error(err.Error())
+		l4g.Close()
+		time.Sleep(time.Second)
+		panic(err)
+	}
+	utils.EnableDebugLogForTest()
+	return team
+}
+
+func (me *TestHelper) CreateUser() *model.User {
+	id := model.NewId()
+
+	user := &model.User{
+		Email:         "success+" + id + "@simulator.amazonses.com",
+		Username:      "un_" + id,
+		Nickname:      "nn_" + id,
+		Password:      "Password1",
+		EmailVerified: true,
+	}
+
+	utils.DisableDebugLogForTest()
+	var err *model.AppError
+	if user, err = CreateUser(user); err != nil {
+		l4g.Error(err.Error())
+		l4g.Close()
+		time.Sleep(time.Second)
+		panic(err)
+	}
+	utils.EnableDebugLogForTest()
+	return user
+}
+
+func (me *TestHelper) CreateChannel(team *model.Team) *model.Channel {
+	return me.createChannel(team, model.CHANNEL_OPEN)
+}
+
+func (me *TestHelper) CreatePrivateChannel(team *model.Team) *model.Channel {
+	return me.createChannel(team, model.CHANNEL_PRIVATE)
+}
+
+func (me *TestHelper) createChannel(team *model.Team, channelType string) *model.Channel {
+	id := model.NewId()
+
+	channel := &model.Channel{
+		DisplayName: "dn_" + id,
+		Name:        "name_" + id,
+		Type:        channelType,
+		TeamId:      team.Id,
+		CreatorId:   me.BasicUser.Id,
+	}
+
+	utils.DisableDebugLogForTest()
+	var err *model.AppError
+	if channel, err = CreateChannel(channel, true); err != nil {
+		l4g.Error(err.Error())
+		l4g.Close()
+		time.Sleep(time.Second)
+		panic(err)
+	}
+	utils.EnableDebugLogForTest()
+	return channel
+}
+
+func (me *TestHelper) CreatePost(channel *model.Channel) *model.Post {
+	id := model.NewId()
+
+	post := &model.Post{
+		UserId:    me.BasicUser.Id,
+		ChannelId: channel.Id,
+		Message:   "message_" + id,
+	}
+
+	utils.DisableDebugLogForTest()
+	var err *model.AppError
+	if post, err = CreatePost(post, channel.TeamId, false); err != nil {
+		l4g.Error(err.Error())
+		l4g.Close()
+		time.Sleep(time.Second)
+		panic(err)
+	}
+	utils.EnableDebugLogForTest()
+	return post
+}
+
+func LinkUserToTeam(user *model.User, team *model.Team) {
+	utils.DisableDebugLogForTest()
+
+	err := JoinUserToTeam(team, user)
+	if err != nil {
+		l4g.Error(err.Error())
+		l4g.Close()
+		time.Sleep(time.Second)
+		panic(err)
+	}
+
+	utils.EnableDebugLogForTest()
+}
+
+func TearDown() {
+	if Srv != nil {
+		StopServer()
+	}
+}