add client4 apis needed for jira plugin (#7292)

plugin/plugintest/api.go

@@ -3,6 +3,7 @@ package plugintest
 import (
 	"github.com/stretchr/testify/mock"
 
+	"github.com/mattermost/platform/model"
 	"github.com/mattermost/platform/plugin"
 )
 
@@ -15,3 +16,43 @@ var _ plugin.API = (*API)(nil)
 func (m *API) LoadPluginConfiguration(dest interface{}) error {
 	return m.Called(dest).Error(0)
 }
+
+func (m *API) GetTeamByName(name string) (*model.Team, *model.AppError) {
+	ret := m.Called(name)
+	if f, ok := ret.Get(0).(func(string) (*model.Team, *model.AppError)); ok {
+		return f(name)
+	}
+	team, _ := ret.Get(0).(*model.Team)
+	err, _ := ret.Get(1).(*model.AppError)
+	return team, err
+}
+
+func (m *API) GetUserByUsername(name string) (*model.User, *model.AppError) {
+	ret := m.Called(name)
+	if f, ok := ret.Get(0).(func(string) (*model.User, *model.AppError)); ok {
+		return f(name)
+	}
+	user, _ := ret.Get(0).(*model.User)
+	err, _ := ret.Get(1).(*model.AppError)
+	return user, err
+}
+
+func (m *API) GetChannelByName(name, teamId string) (*model.Channel, *model.AppError) {
+	ret := m.Called(name, teamId)
+	if f, ok := ret.Get(0).(func(_, _ string) (*model.Channel, *model.AppError)); ok {
+		return f(name, teamId)
+	}
+	channel, _ := ret.Get(0).(*model.Channel)
+	err, _ := ret.Get(1).(*model.AppError)
+	return channel, err
+}
+
+func (m *API) CreatePost(post *model.Post) (*model.Post, *model.AppError) {
+	ret := m.Called(post)
+	if f, ok := ret.Get(0).(func(*model.Post) (*model.Post, *model.AppError)); ok {
+		return f(post)
+	}
+	postOut, _ := ret.Get(0).(*model.Post)
+	err, _ := ret.Get(1).(*model.AppError)
+	return postOut, err
+}