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package archive // import "github.com/docker/docker/pkg/archive"
import (
"archive/tar"
"bytes"
"io"
"testing"
"gotest.tools/v3/assert"
)
func TestGenerateEmptyFile(t *testing.T) {
archive, err := Generate("emptyFile")
assert.NilError(t, err)
if archive == nil {
t.Fatal("The generated archive should not be nil.")
}
expectedFiles := [][]string{
{"emptyFile", ""},
}
tr := tar.NewReader(archive)
actualFiles := make([][]string, 0, 10)
i := 0
for {
hdr, err := tr.Next()
if err == io.EOF {
break
}
assert.NilError(t, err)
buf := new(bytes.Buffer)
buf.ReadFrom(tr)
content := buf.String()
actualFiles = append(actualFiles, []string{hdr.Name, content})
i++
}
if len(actualFiles) != len(expectedFiles) {
t.Fatalf("Number of expected file %d, got %d.", len(expectedFiles), len(actualFiles))
}
for i := 0; i < len(expectedFiles); i++ {
actual := actualFiles[i]
expected := expectedFiles[i]
if actual[0] != expected[0] {
t.Fatalf("Expected name '%s', Actual name '%s'", expected[0], actual[0])
}
if actual[1] != expected[1] {
t.Fatalf("Expected content '%s', Actual content '%s'", expected[1], actual[1])
}
}
}
func TestGenerateWithContent(t *testing.T) {
archive, err := Generate("file", "content")
assert.NilError(t, err)
if archive == nil {
t.Fatal("The generated archive should not be nil.")
}
expectedFiles := [][]string{
{"file", "content"},
}
tr := tar.NewReader(archive)
actualFiles := make([][]string, 0, 10)
i := 0
for {
hdr, err := tr.Next()
if err == io.EOF {
break
}
assert.NilError(t, err)
buf := new(bytes.Buffer)
buf.ReadFrom(tr)
content := buf.String()
actualFiles = append(actualFiles, []string{hdr.Name, content})
i++
}
if len(actualFiles) != len(expectedFiles) {
t.Fatalf("Number of expected file %d, got %d.", len(expectedFiles), len(actualFiles))
}
for i := 0; i < len(expectedFiles); i++ {
actual := actualFiles[i]
expected := expectedFiles[i]
if actual[0] != expected[0] {
t.Fatalf("Expected name '%s', Actual name '%s'", expected[0], actual[0])
}
if actual[1] != expected[1] {
t.Fatalf("Expected content '%s', Actual content '%s'", expected[1], actual[1])
}
}
}
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