rclone/fs/operations/check_test.go
Josh Soref ce3b65e6dc all: fix spelling across the project
* abcdefghijklmnopqrstuvwxyz
* accounting
* additional
* allowed
* almost
* already
* appropriately
* arise
* bandwidth
* behave
* bidirectional
* brackets
* cached
* characters
* cloud
* committing
* concatenating
* configured
* constructs
* current
* cutoff
* deferred
* different
* directory
* disposition
* dropbox
* either way
* error
* excess
* experiments
* explicitly
* externally
* files
* github
* gzipped
* hierarchies
* huffman
* hyphen
* implicitly
* independent
* insensitive
* integrity
* libraries
* literally
* metadata
* mimics
* missing
* modification
* multipart
* multiple
* nightmare
* nonexistent
* number
* obscure
* ourselves
* overridden
* potatoes
* preexisting
* priority
* received
* remote
* replacement
* represents
* reproducibility
* response
* satisfies
* sensitive
* separately
* separator
* specifying
* string
* successful
* synchronization
* syncing
* šenfeld
* take
* temporarily
* testcontents
* that
* the
* themselves
* throttling
* timeout
* transaction
* transferred
* unnecessary
* using
* webbrowser
* which
* with
* workspace

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>
2022-08-30 11:16:26 +02:00

550 lines
15 KiB
Go

package operations_test
import (
"bytes"
"context"
"errors"
"fmt"
"io"
"log"
"os"
"sort"
"strings"
"testing"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/accounting"
"github.com/rclone/rclone/fs/hash"
"github.com/rclone/rclone/fs/operations"
"github.com/rclone/rclone/fstest"
"github.com/rclone/rclone/lib/readers"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func testCheck(t *testing.T, checkFunction func(ctx context.Context, opt *operations.CheckOpt) error) {
r := fstest.NewRun(t)
defer r.Finalise()
ctx := context.Background()
ci := fs.GetConfig(ctx)
addBuffers := func(opt *operations.CheckOpt) {
opt.Combined = new(bytes.Buffer)
opt.MissingOnSrc = new(bytes.Buffer)
opt.MissingOnDst = new(bytes.Buffer)
opt.Match = new(bytes.Buffer)
opt.Differ = new(bytes.Buffer)
opt.Error = new(bytes.Buffer)
}
sortLines := func(in string) []string {
if in == "" {
return []string{}
}
lines := strings.Split(in, "\n")
sort.Strings(lines)
return lines
}
checkBuffer := func(name string, want map[string]string, out io.Writer) {
expected := want[name]
buf, ok := out.(*bytes.Buffer)
require.True(t, ok)
assert.Equal(t, sortLines(expected), sortLines(buf.String()), name)
}
checkBuffers := func(opt *operations.CheckOpt, want map[string]string) {
checkBuffer("combined", want, opt.Combined)
checkBuffer("missingonsrc", want, opt.MissingOnSrc)
checkBuffer("missingondst", want, opt.MissingOnDst)
checkBuffer("match", want, opt.Match)
checkBuffer("differ", want, opt.Differ)
checkBuffer("error", want, opt.Error)
}
check := func(i int, wantErrors int64, wantChecks int64, oneway bool, wantOutput map[string]string) {
t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
accounting.GlobalStats().ResetCounters()
var buf bytes.Buffer
log.SetOutput(&buf)
defer func() {
log.SetOutput(os.Stderr)
}()
opt := operations.CheckOpt{
Fdst: r.Fremote,
Fsrc: r.Flocal,
OneWay: oneway,
}
addBuffers(&opt)
err := checkFunction(ctx, &opt)
gotErrors := accounting.GlobalStats().GetErrors()
gotChecks := accounting.GlobalStats().GetChecks()
if wantErrors == 0 && err != nil {
t.Errorf("%d: Got error when not expecting one: %v", i, err)
}
if wantErrors != 0 && err == nil {
t.Errorf("%d: No error when expecting one", i)
}
if wantErrors != gotErrors {
t.Errorf("%d: Expecting %d errors but got %d", i, wantErrors, gotErrors)
}
if gotChecks > 0 && !strings.Contains(buf.String(), "matching files") {
t.Errorf("%d: Total files matching line missing", i)
}
if wantChecks != gotChecks {
t.Errorf("%d: Expecting %d total matching files but got %d", i, wantChecks, gotChecks)
}
checkBuffers(&opt, wantOutput)
})
}
file1 := r.WriteBoth(ctx, "rutabaga", "is tasty", t3)
r.CheckRemoteItems(t, file1)
r.CheckLocalItems(t, file1)
check(1, 0, 1, false, map[string]string{
"combined": "= rutabaga\n",
"missingonsrc": "",
"missingondst": "",
"match": "rutabaga\n",
"differ": "",
"error": "",
})
file2 := r.WriteFile("potato2", "------------------------------------------------------------", t1)
r.CheckLocalItems(t, file1, file2)
check(2, 1, 1, false, map[string]string{
"combined": "+ potato2\n= rutabaga\n",
"missingonsrc": "",
"missingondst": "potato2\n",
"match": "rutabaga\n",
"differ": "",
"error": "",
})
file3 := r.WriteObject(ctx, "empty space", "-", t2)
r.CheckRemoteItems(t, file1, file3)
check(3, 2, 1, false, map[string]string{
"combined": "- empty space\n+ potato2\n= rutabaga\n",
"missingonsrc": "empty space\n",
"missingondst": "potato2\n",
"match": "rutabaga\n",
"differ": "",
"error": "",
})
file2r := file2
if ci.SizeOnly {
file2r = r.WriteObject(ctx, "potato2", "--Some-Differences-But-Size-Only-Is-Enabled-----------------", t1)
} else {
r.WriteObject(ctx, "potato2", "------------------------------------------------------------", t1)
}
r.CheckRemoteItems(t, file1, file2r, file3)
check(4, 1, 2, false, map[string]string{
"combined": "- empty space\n= potato2\n= rutabaga\n",
"missingonsrc": "empty space\n",
"missingondst": "",
"match": "rutabaga\npotato2\n",
"differ": "",
"error": "",
})
file3r := file3
file3l := r.WriteFile("empty space", "DIFFER", t2)
r.CheckLocalItems(t, file1, file2, file3l)
check(5, 1, 3, false, map[string]string{
"combined": "* empty space\n= potato2\n= rutabaga\n",
"missingonsrc": "",
"missingondst": "",
"match": "potato2\nrutabaga\n",
"differ": "empty space\n",
"error": "",
})
file4 := r.WriteObject(ctx, "remotepotato", "------------------------------------------------------------", t1)
r.CheckRemoteItems(t, file1, file2r, file3r, file4)
check(6, 2, 3, false, map[string]string{
"combined": "* empty space\n= potato2\n= rutabaga\n- remotepotato\n",
"missingonsrc": "remotepotato\n",
"missingondst": "",
"match": "potato2\nrutabaga\n",
"differ": "empty space\n",
"error": "",
})
check(7, 1, 3, true, map[string]string{
"combined": "* empty space\n= potato2\n= rutabaga\n",
"missingonsrc": "",
"missingondst": "",
"match": "potato2\nrutabaga\n",
"differ": "empty space\n",
"error": "",
})
}
func TestCheck(t *testing.T) {
testCheck(t, operations.Check)
}
func TestCheckFsError(t *testing.T) {
ctx := context.Background()
dstFs, err := fs.NewFs(ctx, "nonexistent")
if err != nil {
t.Fatal(err)
}
srcFs, err := fs.NewFs(ctx, "nonexistent")
if err != nil {
t.Fatal(err)
}
opt := operations.CheckOpt{
Fdst: dstFs,
Fsrc: srcFs,
OneWay: false,
}
err = operations.Check(ctx, &opt)
require.Error(t, err)
}
func TestCheckDownload(t *testing.T) {
testCheck(t, operations.CheckDownload)
}
func TestCheckSizeOnly(t *testing.T) {
ctx := context.Background()
ci := fs.GetConfig(ctx)
ci.SizeOnly = true
defer func() { ci.SizeOnly = false }()
TestCheck(t)
}
func TestCheckEqualReaders(t *testing.T) {
b65a := make([]byte, 65*1024)
b65b := make([]byte, 65*1024)
b65b[len(b65b)-1] = 1
b66 := make([]byte, 66*1024)
differ, err := operations.CheckEqualReaders(bytes.NewBuffer(b65a), bytes.NewBuffer(b65a))
assert.NoError(t, err)
assert.Equal(t, differ, false)
differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b65a), bytes.NewBuffer(b65b))
assert.NoError(t, err)
assert.Equal(t, differ, true)
differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b65a), bytes.NewBuffer(b66))
assert.NoError(t, err)
assert.Equal(t, differ, true)
differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b66), bytes.NewBuffer(b65a))
assert.NoError(t, err)
assert.Equal(t, differ, true)
myErr := errors.New("sentinel")
wrap := func(b []byte) io.Reader {
r := bytes.NewBuffer(b)
e := readers.ErrorReader{Err: myErr}
return io.MultiReader(r, e)
}
differ, err = operations.CheckEqualReaders(wrap(b65a), bytes.NewBuffer(b65a))
assert.Equal(t, myErr, err)
assert.Equal(t, differ, true)
differ, err = operations.CheckEqualReaders(wrap(b65a), bytes.NewBuffer(b65b))
assert.Equal(t, myErr, err)
assert.Equal(t, differ, true)
differ, err = operations.CheckEqualReaders(wrap(b65a), bytes.NewBuffer(b66))
assert.Equal(t, myErr, err)
assert.Equal(t, differ, true)
differ, err = operations.CheckEqualReaders(wrap(b66), bytes.NewBuffer(b65a))
assert.Equal(t, myErr, err)
assert.Equal(t, differ, true)
differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b65a), wrap(b65a))
assert.Equal(t, myErr, err)
assert.Equal(t, differ, true)
differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b65a), wrap(b65b))
assert.Equal(t, myErr, err)
assert.Equal(t, differ, true)
differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b65a), wrap(b66))
assert.Equal(t, myErr, err)
assert.Equal(t, differ, true)
differ, err = operations.CheckEqualReaders(bytes.NewBuffer(b66), wrap(b65a))
assert.Equal(t, myErr, err)
assert.Equal(t, differ, true)
}
func TestParseSumFile(t *testing.T) {
r := fstest.NewRun(t)
defer r.Finalise()
ctx := context.Background()
const sumFile = "test.sum"
samples := []struct {
hash, sep, name string
ok bool
}{
{"1", " ", "file1", true},
{"2", " *", "file2", true},
{"3", " ", " file3 ", true},
{"4", " ", "\tfile3\t", true},
{"5", " ", "file5", false},
{"6", "\t", "file6", false},
{"7", " \t", " file7 ", false},
{"", " ", "file8", false},
{"", "", "file9", false},
}
for _, eol := range []string{"\n", "\r\n"} {
data := &bytes.Buffer{}
wantNum := 0
for _, s := range samples {
_, _ = data.WriteString(s.hash + s.sep + s.name + eol)
if s.ok {
wantNum++
}
}
_ = r.WriteObject(ctx, sumFile, data.String(), t1)
file, err := r.Fremote.NewObject(ctx, sumFile)
assert.NoError(t, err)
sums, err := operations.ParseSumFile(ctx, file)
assert.NoError(t, err)
assert.Equal(t, wantNum, len(sums))
for _, s := range samples {
if s.ok {
assert.Equal(t, s.hash, sums[s.name])
}
}
}
}
func testCheckSum(t *testing.T, download bool) {
const dataDir = "data"
const sumFile = "test.sum"
hashType := hash.MD5
const (
testString1 = "Hello, World!"
testDigest1 = "65a8e27d8879283831b664bd8b7f0ad4"
testDigest1Upper = "65A8E27D8879283831B664BD8B7F0AD4"
testString2 = "I am the walrus"
testDigest2 = "87396e030ef3f5b35bbf85c0a09a4fb3"
testDigest2Mixed = "87396e030EF3f5b35BBf85c0a09a4FB3"
)
type wantType map[string]string
ctx := context.Background()
r := fstest.NewRun(t)
defer r.Finalise()
subRemote := r.FremoteName
if !strings.HasSuffix(subRemote, ":") {
subRemote += "/"
}
subRemote += dataDir
dataFs, err := fs.NewFs(ctx, subRemote)
require.NoError(t, err)
if !download && !dataFs.Hashes().Contains(hashType) {
t.Skipf("%s lacks %s, skipping", dataFs, hashType)
}
makeFile := func(name, content string) fstest.Item {
remote := dataDir + "/" + name
return r.WriteObject(ctx, remote, content, t1)
}
makeSums := func(sums operations.HashSums) fstest.Item {
files := make([]string, 0, len(sums))
for name := range sums {
files = append(files, name)
}
sort.Strings(files)
buf := &bytes.Buffer{}
for _, name := range files {
_, _ = fmt.Fprintf(buf, "%s %s\n", sums[name], name)
}
return r.WriteObject(ctx, sumFile, buf.String(), t1)
}
sortLines := func(in string) []string {
if in == "" {
return []string{}
}
lines := strings.Split(in, "\n")
sort.Strings(lines)
return lines
}
checkResult := func(runNo int, want wantType, name string, out io.Writer) {
expected := want[name]
buf, ok := out.(*bytes.Buffer)
require.True(t, ok)
assert.Equal(t, sortLines(expected), sortLines(buf.String()), "wrong %s result in run %d", name, runNo)
}
checkRun := func(runNo, wantChecks, wantErrors int, want wantType) {
accounting.GlobalStats().ResetCounters()
buf := new(bytes.Buffer)
log.SetOutput(buf)
defer log.SetOutput(os.Stderr)
opt := operations.CheckOpt{
Combined: new(bytes.Buffer),
Match: new(bytes.Buffer),
Differ: new(bytes.Buffer),
Error: new(bytes.Buffer),
MissingOnSrc: new(bytes.Buffer),
MissingOnDst: new(bytes.Buffer),
}
err := operations.CheckSum(ctx, dataFs, r.Fremote, sumFile, hashType, &opt, download)
gotErrors := int(accounting.GlobalStats().GetErrors())
if wantErrors == 0 {
assert.NoError(t, err, "unexpected error in run %d", runNo)
}
if wantErrors > 0 {
assert.Error(t, err, "no expected error in run %d", runNo)
}
assert.Equal(t, wantErrors, gotErrors, "wrong error count in run %d", runNo)
gotChecks := int(accounting.GlobalStats().GetChecks())
if wantChecks > 0 || gotChecks > 0 {
assert.Contains(t, buf.String(), "matching files", "missing matching files in run %d", runNo)
}
assert.Equal(t, wantChecks, gotChecks, "wrong number of checks in run %d", runNo)
checkResult(runNo, want, "combined", opt.Combined)
checkResult(runNo, want, "missingonsrc", opt.MissingOnSrc)
checkResult(runNo, want, "missingondst", opt.MissingOnDst)
checkResult(runNo, want, "match", opt.Match)
checkResult(runNo, want, "differ", opt.Differ)
checkResult(runNo, want, "error", opt.Error)
}
check := func(runNo, wantChecks, wantErrors int, wantResults wantType) {
runName := fmt.Sprintf("subtest%d", runNo)
t.Run(runName, func(t *testing.T) {
checkRun(runNo, wantChecks, wantErrors, wantResults)
})
}
file1 := makeFile("banana", testString1)
fcsums := makeSums(operations.HashSums{
"banana": testDigest1,
})
r.CheckRemoteItems(t, fcsums, file1)
check(1, 1, 0, wantType{
"combined": "= banana\n",
"missingonsrc": "",
"missingondst": "",
"match": "banana\n",
"differ": "",
"error": "",
})
file2 := makeFile("potato", testString2)
fcsums = makeSums(operations.HashSums{
"banana": testDigest1,
})
r.CheckRemoteItems(t, fcsums, file1, file2)
check(2, 2, 1, wantType{
"combined": "- potato\n= banana\n",
"missingonsrc": "potato\n",
"missingondst": "",
"match": "banana\n",
"differ": "",
"error": "",
})
fcsums = makeSums(operations.HashSums{
"banana": testDigest1,
"potato": testDigest2,
})
r.CheckRemoteItems(t, fcsums, file1, file2)
check(3, 2, 0, wantType{
"combined": "= potato\n= banana\n",
"missingonsrc": "",
"missingondst": "",
"match": "banana\npotato\n",
"differ": "",
"error": "",
})
fcsums = makeSums(operations.HashSums{
"banana": testDigest2,
"potato": testDigest2,
})
r.CheckRemoteItems(t, fcsums, file1, file2)
check(4, 2, 1, wantType{
"combined": "* banana\n= potato\n",
"missingonsrc": "",
"missingondst": "",
"match": "potato\n",
"differ": "banana\n",
"error": "",
})
fcsums = makeSums(operations.HashSums{
"banana": testDigest1,
"potato": testDigest2,
"orange": testDigest2,
})
r.CheckRemoteItems(t, fcsums, file1, file2)
check(5, 2, 1, wantType{
"combined": "+ orange\n= potato\n= banana\n",
"missingonsrc": "",
"missingondst": "orange\n",
"match": "banana\npotato\n",
"differ": "",
"error": "",
})
fcsums = makeSums(operations.HashSums{
"banana": testDigest1,
"potato": testDigest1,
"orange": testDigest2,
})
r.CheckRemoteItems(t, fcsums, file1, file2)
check(6, 2, 2, wantType{
"combined": "+ orange\n* potato\n= banana\n",
"missingonsrc": "",
"missingondst": "orange\n",
"match": "banana\n",
"differ": "potato\n",
"error": "",
})
// test mixed-case checksums
file1 = makeFile("banana", testString1)
file2 = makeFile("potato", testString2)
fcsums = makeSums(operations.HashSums{
"banana": testDigest1Upper,
"potato": testDigest2Mixed,
})
r.CheckRemoteItems(t, fcsums, file1, file2)
check(7, 2, 0, wantType{
"combined": "= banana\n= potato\n",
"missingonsrc": "",
"missingondst": "",
"match": "banana\npotato\n",
"differ": "",
"error": "",
})
}
func TestCheckSum(t *testing.T) {
testCheckSum(t, false)
}
func TestCheckSumDownload(t *testing.T) {
testCheckSum(t, true)
}