rclone/fs/operations/check_test.go
Nick Craig-Wood 2e21c58e6a fs: deglobalise the config
This is done by making fs.Config private and attaching it to the
context instead.

The Config should be obtained with fs.GetConfig and fs.AddConfig
should be used to get a new mutable config that can be changed.
2020-11-26 16:40:12 +00:00

277 lines
8 KiB
Go

package operations_test
import (
"bytes"
"context"
"fmt"
"io"
"log"
"os"
"sort"
"strings"
"testing"
"github.com/pkg/errors"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/accounting"
"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)
fstest.CheckItems(t, r.Fremote, file1)
fstest.CheckItems(t, r.Flocal, file1)
check(1, 0, 1, false, map[string]string{
"combined": "= rutabaga\n",
"missingonsrc": "",
"missingondst": "",
"match": "rutabaga\n",
"differ": "",
"error": "",
})
file2 := r.WriteFile("potato2", "------------------------------------------------------------", t1)
fstest.CheckItems(t, r.Flocal, 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)
fstest.CheckItems(t, r.Fremote, 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)
}
fstest.CheckItems(t, r.Fremote, 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)
fstest.CheckItems(t, r.Flocal, 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)
fstest.CheckItems(t, r.Fremote, 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, "non-existent")
if err != nil {
t.Fatal(err)
}
srcFs, err := fs.NewFs(ctx, "non-existent")
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)
}