package plugin_test

import (
	"io/ioutil"
	"net/http/httptest"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	"github.com/mattermost/mattermost-server/model"
	"github.com/mattermost/mattermost-server/plugin/plugintest"
)

func TestHelloUserPlugin(t *testing.T) {
	user := &model.User{
		Id:       model.NewId(),
		Username: "billybob",
	}

	api := &plugintest.API{}
	api.On("GetUser", user.Id).Return(user, nil)
	defer api.AssertExpectations(t)

	p := &HelloUserPlugin{}
	p.OnActivate(api)

	w := httptest.NewRecorder()
	r := httptest.NewRequest("GET", "/", nil)
	r.Header.Add("Mattermost-User-Id", user.Id)
	p.ServeHTTP(w, r)
	body, err := ioutil.ReadAll(w.Result().Body)
	require.NoError(t, err)
	assert.Equal(t, "Welcome back, billybob!", string(body))
}