// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package main // import "github.com/apache/arrow/go/v6/arrow/ipc/cmd/arrow-stream-to-file"

import (
	"io"
	"io/ioutil"
	"os"
	"testing"

	"github.com/apache/arrow/go/v6/arrow/internal/arrdata"
	"github.com/apache/arrow/go/v6/arrow/memory"
)

func TestStreamToFile(t *testing.T) {
	tempDir, err := ioutil.TempDir("", "go-arrow-stream-to-file-")
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(tempDir)

	for name, recs := range arrdata.Records {
		t.Run(name, func(t *testing.T) {
			mem := memory.NewCheckedAllocator(memory.NewGoAllocator())
			defer mem.AssertSize(t, 0)

			f, err := ioutil.TempFile(tempDir, "go-arrow-stream-to-file-")
			if err != nil {
				t.Fatal(err)
			}
			defer f.Close()

			arrdata.WriteStream(t, f, mem, recs[0].Schema(), recs)

			err = f.Sync()
			if err != nil {
				t.Fatal(err)
			}

			_, err = f.Seek(0, io.SeekStart)
			if err != nil {
				t.Fatal(err)
			}

			o, err := ioutil.TempFile(tempDir, "go-arrow-stream-to-file-")
			if err != nil {
				t.Fatal(err)
			}

			err = processStream(o, f)
			if err != nil {
				t.Fatal(err)
			}

			err = o.Sync()
			if err != nil {
				t.Fatal(err)
			}

			_, err = o.Seek(0, io.SeekStart)
			if err != nil {
				t.Fatal(err)
			}

			arrdata.CheckArrowFile(t, o, mem, recs[0].Schema(), recs)
		})
	}
}
