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package remotecontext // import "github.com/docker/docker/builder/remotecontext"
import (
"os"
"path/filepath"
"testing"
"github.com/docker/docker/builder"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/reexec"
"github.com/pkg/errors"
"gotest.tools/v3/skip"
)
const (
filename = "test"
contents = "contents test"
)
func init() {
reexec.Init()
}
func TestCloseRootDirectory(t *testing.T) {
contextDir, err := os.MkdirTemp("", "builder-tarsum-test")
defer os.RemoveAll(contextDir)
if err != nil {
t.Fatalf("Error with creating temporary directory: %s", err)
}
src := makeTestArchiveContext(t, contextDir)
err = src.Close()
if err != nil {
t.Fatalf("Error while executing Close: %s", err)
}
_, err = os.Stat(src.Root().Path())
if !errors.Is(err, os.ErrNotExist) {
t.Fatal("Directory should not exist at this point")
}
}
func TestHashFile(t *testing.T) {
contextDir, cleanup := createTestTempDir(t, "", "builder-tarsum-test")
defer cleanup()
createTestTempFile(t, contextDir, filename, contents, 0755)
tarSum := makeTestArchiveContext(t, contextDir)
sum, err := tarSum.Hash(filename)
if err != nil {
t.Fatalf("Error when executing Stat: %s", err)
}
if len(sum) == 0 {
t.Fatalf("Hash returned empty sum")
}
expected := "1149ab94af7be6cc1da1335e398f24ee1cf4926b720044d229969dfc248ae7ec"
if actual := sum; expected != actual {
t.Fatalf("invalid checksum. expected %s, got %s", expected, actual)
}
}
func TestHashSubdir(t *testing.T) {
contextDir, cleanup := createTestTempDir(t, "", "builder-tarsum-test")
defer cleanup()
contextSubdir := filepath.Join(contextDir, "builder-tarsum-test-subdir")
err := os.Mkdir(contextSubdir, 0755)
if err != nil {
t.Fatalf("Failed to make directory: %s", contextSubdir)
}
testFilename := createTestTempFile(t, contextSubdir, filename, contents, 0755)
tarSum := makeTestArchiveContext(t, contextDir)
relativePath, err := filepath.Rel(contextDir, testFilename)
if err != nil {
t.Fatalf("Error when getting relative path: %s", err)
}
sum, err := tarSum.Hash(relativePath)
if err != nil {
t.Fatalf("Error when executing Stat: %s", err)
}
if len(sum) == 0 {
t.Fatalf("Hash returned empty sum")
}
expected := "d7f8d6353dee4816f9134f4156bf6a9d470fdadfb5d89213721f7e86744a4e69"
if actual := sum; expected != actual {
t.Fatalf("invalid checksum. expected %s, got %s", expected, actual)
}
}
func TestRemoveDirectory(t *testing.T) {
contextDir, cleanup := createTestTempDir(t, "", "builder-tarsum-test")
defer cleanup()
contextSubdir := createTestTempSubdir(t, contextDir, "builder-tarsum-test-subdir")
relativePath, err := filepath.Rel(contextDir, contextSubdir)
if err != nil {
t.Fatalf("Error when getting relative path: %s", err)
}
src := makeTestArchiveContext(t, contextDir)
_, err = src.Root().Stat(src.Root().Join(src.Root().Path(), relativePath))
if err != nil {
t.Fatalf("Statting %s shouldn't fail: %+v", relativePath, err)
}
tarSum := src.(modifiableContext)
err = tarSum.Remove(relativePath)
if err != nil {
t.Fatalf("Error when executing Remove: %s", err)
}
_, err = src.Root().Stat(src.Root().Join(src.Root().Path(), relativePath))
if !errors.Is(err, os.ErrNotExist) {
t.Fatalf("Directory should not exist at this point: %+v ", err)
}
}
func makeTestArchiveContext(t *testing.T, dir string) builder.Source {
skip.If(t, os.Getuid() != 0, "skipping test that requires root")
tarStream, err := archive.Tar(dir, archive.Uncompressed)
if err != nil {
t.Fatalf("error: %s", err)
}
defer tarStream.Close()
tarSum, err := FromArchive(tarStream)
if err != nil {
t.Fatalf("Error when executing FromArchive: %s", err)
}
return tarSum
}
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