// +build integration

/*
 * Copyright 2021 PingCAP, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package main

import (
	"context"
	"os"
	"testing"

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

func TestSnapshot(t *testing.T) {
	assert := require.New(t)
	cfg := &MysqlConfig{
		DSN: os.Getenv("TIDB_DSN"),
	}
	cfg.FillWithDefaults()
	db, err := Dial(cfg)
	assert.Nil(err)
	snapshoter, err := NewSnapshoter(db, []Table{
		{
			MessageGroupID: "x",
			Name:           "x",
			Column:         []string{"Name", "Age"},
		},
		{
			MessageGroupID: "z",
			Name:           "z",
			Column:         []string{"*"},
		},
		{
			MessageGroupID: "y",
			Name:           "y",
			Column:         []string{"Class"},
		},
	}, 2)
	assert.Nil(err)
	sink := snapshoter.getSink()
	go func() {
		if err := snapshoter.collect(context.Background()); err != nil {
			t.Error(err)
		}
	}()
	for {
		select {
		case a, ok := <-sink:
			if !ok {
				return
			}
			t.Logf("%+v\n", a)
		}
	}
}