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https://github.com/dolthub/dolt.git
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8164a625c7
The io/ioutil package has been deprecated as of Go 1.16, see https://golang.org/doc/go1.16#ioutil. This commit replaces the existing io/ioutil functions with their new definitions in io and os packages. Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
108 lines
2.4 KiB
Go
108 lines
2.4 KiB
Go
// Copyright 2019 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package test
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import (
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"io"
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"os"
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"path/filepath"
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"testing"
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)
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// test your tests so you can test while you test
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func TestLDTestUtils(t *testing.T) {
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dir, err := ChangeToTestDir("TestLDTestUtils")
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if err != nil {
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t.Fatal("Couldn't change to test dir")
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}
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dataSize := 32
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data := RandomData(dataSize)
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if len(data) != dataSize {
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t.Error("Wrong amount of data")
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}
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fName := "test.data"
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err = os.WriteFile(fName, data, os.ModePerm)
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if err != nil {
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t.Fatal("Couldn't write to current directory")
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}
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absPath := filepath.Join(dir, fName)
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fInfo, err := os.Stat(absPath)
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if err != nil {
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t.Error("File not where expected")
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} else if fInfo.Size() != int64(dataSize) {
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t.Error("File not of expected size")
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}
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}
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func TestTestReader(t *testing.T) {
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{
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dest := make([]byte, 32)
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tr := NewTestReader(32, 16)
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readTest(t, dest[:8], tr, 0, 8, false)
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readTest(t, dest[8:16], tr, 8, 8, false)
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readTest(t, dest[16:24], tr, 16, 0, true)
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}
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{
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dest := make([]byte, 32)
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tr := NewTestReader(32, 16)
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readTest(t, dest[:12], tr, 0, 12, false)
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readTest(t, dest[12:24], tr, 12, 4, true)
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}
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{
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dest := make([]byte, 32)
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tr := NewTestReader(32, -1)
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readTest(t, dest[:12], tr, 0, 12, false)
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readTest(t, dest[12:24], tr, 12, 12, false)
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readTest(t, dest[24:32], tr, 24, 8, false)
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n, err := tr.Read(dest)
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if n != 0 || err != io.EOF {
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t.Error("Should have hit EOF")
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}
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}
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}
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func readTest(t *testing.T, dest []byte, tr *TestReader, min byte, expectedRead int, expectErr bool) {
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n, err := tr.Read(dest)
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if n != expectedRead {
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t.Error("Didn't read expected number of bytes")
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}
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if expectErr && err == nil {
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t.Error("Expected error that didn't happen.")
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} else if !expectErr && err != nil {
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t.Error("Unexpected error.", err)
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}
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for i := 0; i < n; i++ {
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if dest[i] != min+byte(i) {
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t.Error("Unexpected value found at index", i)
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}
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}
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}
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