278 lines
8.0 KiB
Go
278 lines
8.0 KiB
Go
package operations_test
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"log"
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"os"
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"sort"
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"strings"
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"testing"
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"github.com/pkg/errors"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fs/accounting"
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"github.com/rclone/rclone/fs/operations"
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"github.com/rclone/rclone/fstest"
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"github.com/rclone/rclone/lib/readers"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func testCheck(t *testing.T, checkFunction func(ctx context.Context, opt *operations.CheckOpt) error) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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ctx := context.Background()
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ci := fs.GetConfig(ctx)
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addBuffers := func(opt *operations.CheckOpt) {
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opt.Combined = new(bytes.Buffer)
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opt.MissingOnSrc = new(bytes.Buffer)
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opt.MissingOnDst = new(bytes.Buffer)
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opt.Match = new(bytes.Buffer)
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opt.Differ = new(bytes.Buffer)
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opt.Error = new(bytes.Buffer)
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}
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sortLines := func(in string) []string {
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if in == "" {
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return []string{}
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}
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lines := strings.Split(in, "\n")
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sort.Strings(lines)
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return lines
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}
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checkBuffer := func(name string, want map[string]string, out io.Writer) {
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expected := want[name]
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buf, ok := out.(*bytes.Buffer)
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require.True(t, ok)
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assert.Equal(t, sortLines(expected), sortLines(buf.String()), name)
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}
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checkBuffers := func(opt *operations.CheckOpt, want map[string]string) {
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checkBuffer("combined", want, opt.Combined)
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checkBuffer("missingonsrc", want, opt.MissingOnSrc)
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checkBuffer("missingondst", want, opt.MissingOnDst)
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checkBuffer("match", want, opt.Match)
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checkBuffer("differ", want, opt.Differ)
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checkBuffer("error", want, opt.Error)
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}
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check := func(i int, wantErrors int64, wantChecks int64, oneway bool, wantOutput map[string]string) {
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t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
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accounting.GlobalStats().ResetCounters()
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var buf bytes.Buffer
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log.SetOutput(&buf)
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defer func() {
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log.SetOutput(os.Stderr)
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}()
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opt := operations.CheckOpt{
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Fdst: r.Fremote,
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Fsrc: r.Flocal,
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OneWay: oneway,
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}
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addBuffers(&opt)
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err := checkFunction(ctx, &opt)
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gotErrors := accounting.GlobalStats().GetErrors()
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gotChecks := accounting.GlobalStats().GetChecks()
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if wantErrors == 0 && err != nil {
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t.Errorf("%d: Got error when not expecting one: %v", i, err)
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}
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if wantErrors != 0 && err == nil {
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t.Errorf("%d: No error when expecting one", i)
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}
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if wantErrors != gotErrors {
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t.Errorf("%d: Expecting %d errors but got %d", i, wantErrors, gotErrors)
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}
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if gotChecks > 0 && !strings.Contains(buf.String(), "matching files") {
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t.Errorf("%d: Total files matching line missing", i)
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}
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if wantChecks != gotChecks {
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t.Errorf("%d: Expecting %d total matching files but got %d", i, wantChecks, gotChecks)
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}
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checkBuffers(&opt, wantOutput)
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})
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}
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file1 := r.WriteBoth(ctx, "rutabaga", "is tasty", t3)
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fstest.CheckItems(t, r.Fremote, file1)
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fstest.CheckItems(t, r.Flocal, file1)
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check(1, 0, 1, false, map[string]string{
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"combined": "= rutabaga\n",
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"missingonsrc": "",
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"missingondst": "",
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"match": "rutabaga\n",
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"differ": "",
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"error": "",
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})
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file2 := r.WriteFile("potato2", "------------------------------------------------------------", t1)
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fstest.CheckItems(t, r.Flocal, file1, file2)
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check(2, 1, 1, false, map[string]string{
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"combined": "+ potato2\n= rutabaga\n",
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"missingonsrc": "",
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"missingondst": "potato2\n",
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"match": "rutabaga\n",
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"differ": "",
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"error": "",
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})
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file3 := r.WriteObject(ctx, "empty space", "-", t2)
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fstest.CheckItems(t, r.Fremote, file1, file3)
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check(3, 2, 1, false, map[string]string{
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"combined": "- empty space\n+ potato2\n= rutabaga\n",
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"missingonsrc": "empty space\n",
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"missingondst": "potato2\n",
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"match": "rutabaga\n",
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"differ": "",
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"error": "",
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})
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file2r := file2
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if ci.SizeOnly {
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file2r = r.WriteObject(ctx, "potato2", "--Some-Differences-But-Size-Only-Is-Enabled-----------------", t1)
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} else {
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r.WriteObject(ctx, "potato2", "------------------------------------------------------------", t1)
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}
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fstest.CheckItems(t, r.Fremote, file1, file2r, file3)
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check(4, 1, 2, false, map[string]string{
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"combined": "- empty space\n= potato2\n= rutabaga\n",
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"missingonsrc": "empty space\n",
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"missingondst": "",
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"match": "rutabaga\npotato2\n",
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"differ": "",
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"error": "",
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})
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file3r := file3
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file3l := r.WriteFile("empty space", "DIFFER", t2)
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fstest.CheckItems(t, r.Flocal, file1, file2, file3l)
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check(5, 1, 3, false, map[string]string{
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"combined": "* empty space\n= potato2\n= rutabaga\n",
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"missingonsrc": "",
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"missingondst": "",
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"match": "potato2\nrutabaga\n",
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"differ": "empty space\n",
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"error": "",
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})
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file4 := r.WriteObject(ctx, "remotepotato", "------------------------------------------------------------", t1)
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fstest.CheckItems(t, r.Fremote, file1, file2r, file3r, file4)
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check(6, 2, 3, false, map[string]string{
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"combined": "* empty space\n= potato2\n= rutabaga\n- remotepotato\n",
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"missingonsrc": "remotepotato\n",
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"missingondst": "",
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"match": "potato2\nrutabaga\n",
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"differ": "empty space\n",
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"error": "",
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})
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check(7, 1, 3, true, map[string]string{
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"combined": "* empty space\n= potato2\n= rutabaga\n",
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"missingonsrc": "",
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"missingondst": "",
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"match": "potato2\nrutabaga\n",
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"differ": "empty space\n",
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"error": "",
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})
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}
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func TestCheck(t *testing.T) {
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testCheck(t, operations.Check)
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}
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func TestCheckFsError(t *testing.T) {
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ctx := context.Background()
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dstFs, err := fs.NewFs(ctx, "non-existent")
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if err != nil {
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t.Fatal(err)
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}
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srcFs, err := fs.NewFs(ctx, "non-existent")
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if err != nil {
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t.Fatal(err)
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}
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opt := operations.CheckOpt{
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Fdst: dstFs,
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Fsrc: srcFs,
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OneWay: false,
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}
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err = operations.Check(ctx, &opt)
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require.Error(t, err)
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}
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func TestCheckDownload(t *testing.T) {
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testCheck(t, operations.CheckDownload)
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}
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func TestCheckSizeOnly(t *testing.T) {
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ctx := context.Background()
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ci := fs.GetConfig(ctx)
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ci.SizeOnly = true
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defer func() { ci.SizeOnly = false }()
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TestCheck(t)
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}
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func TestCheckEqualReaders(t *testing.T) {
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b65a := make([]byte, 65*1024)
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b65b := make([]byte, 65*1024)
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b65b[len(b65b)-1] = 1
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b66 := make([]byte, 66*1024)
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differ, err := operations.CheckEqualReaders(bytes.NewBuffer(b65a), bytes.NewBuffer(b65a))
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assert.NoError(t, err)
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assert.Equal(t, differ, false)
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differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b65a), bytes.NewBuffer(b65b))
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assert.NoError(t, err)
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assert.Equal(t, differ, true)
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differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b65a), bytes.NewBuffer(b66))
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assert.NoError(t, err)
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assert.Equal(t, differ, true)
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differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b66), bytes.NewBuffer(b65a))
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assert.NoError(t, err)
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assert.Equal(t, differ, true)
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myErr := errors.New("sentinel")
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wrap := func(b []byte) io.Reader {
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r := bytes.NewBuffer(b)
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e := readers.ErrorReader{Err: myErr}
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return io.MultiReader(r, e)
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}
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differ, err = operations.CheckEqualReaders(wrap(b65a), bytes.NewBuffer(b65a))
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assert.Equal(t, myErr, err)
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assert.Equal(t, differ, true)
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differ, err = operations.CheckEqualReaders(wrap(b65a), bytes.NewBuffer(b65b))
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assert.Equal(t, myErr, err)
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assert.Equal(t, differ, true)
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differ, err = operations.CheckEqualReaders(wrap(b65a), bytes.NewBuffer(b66))
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assert.Equal(t, myErr, err)
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assert.Equal(t, differ, true)
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differ, err = operations.CheckEqualReaders(wrap(b66), bytes.NewBuffer(b65a))
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assert.Equal(t, myErr, err)
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assert.Equal(t, differ, true)
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differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b65a), wrap(b65a))
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assert.Equal(t, myErr, err)
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assert.Equal(t, differ, true)
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differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b65a), wrap(b65b))
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assert.Equal(t, myErr, err)
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assert.Equal(t, differ, true)
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differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b65a), wrap(b66))
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assert.Equal(t, myErr, err)
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assert.Equal(t, differ, true)
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differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b66), wrap(b65a))
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assert.Equal(t, myErr, err)
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assert.Equal(t, differ, true)
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}
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