package middleware

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

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

func TestPing(t *testing.T) {
	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		_, err := w.Write([]byte("resp"))
		require.NoError(t, err)
	})

	server := httptest.NewServer(Ping(handler))
	defer server.Close()

	res, err := http.Get(server.URL)
	require.Nil(t, err)
	defer res.Body.Close()
	assert.Equal(t, http.StatusOK, res.StatusCode)

	b, err := ioutil.ReadAll(res.Body)
	assert.NoError(t, err)
	assert.Equal(t, "resp", string(b))

	res, err = http.Get(server.URL + "/ping")
	require.Nil(t, err)
	defer res.Body.Close()
	assert.Equal(t, http.StatusOK, res.StatusCode)

	b, err = ioutil.ReadAll(res.Body)
	assert.NoError(t, err)
	assert.Equal(t, "pong", string(b))

	res, err = http.Get(server.URL + "/a/b/c/ping")
	require.Nil(t, err)
	defer res.Body.Close()
	assert.Equal(t, http.StatusOK, res.StatusCode)

	b, err = ioutil.ReadAll(res.Body)
	assert.NoError(t, err)
	assert.Equal(t, "pong", string(b))
}