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moby--moby/builder/remote_test.go

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package builder
import (
"bytes"
"io/ioutil"
"testing"
)
var textPlainDockerfile = "FROM busybox"
var binaryContext = []byte{0xFD, 0x37, 0x7A, 0x58, 0x5A, 0x00} //xz magic
func TestSelectAcceptableMIME(t *testing.T) {
validMimeStrings := []string{
"application/x-bzip2",
"application/bzip2",
"application/gzip",
"application/x-gzip",
"application/x-xz",
"application/xz",
"application/tar",
"application/x-tar",
"application/octet-stream",
"text/plain",
}
invalidMimeStrings := []string{
"",
"application/octet",
"application/json",
}
for _, m := range invalidMimeStrings {
if len(selectAcceptableMIME(m)) > 0 {
t.Fatalf("Should not have accepted %q", m)
}
}
for _, m := range validMimeStrings {
if str := selectAcceptableMIME(m); str == "" {
t.Fatalf("Should have accepted %q", m)
}
}
}
func TestInspectEmptyResponse(t *testing.T) {
ct := "application/octet-stream"
br := ioutil.NopCloser(bytes.NewReader([]byte("")))
contentType, bReader, err := inspectResponse(ct, br, 0)
if err == nil {
t.Fatalf("Should have generated an error for an empty response")
}
if contentType != "application/octet-stream" {
t.Fatalf("Content type should be 'application/octet-stream' but is %q", contentType)
}
body, err := ioutil.ReadAll(bReader)
if err != nil {
t.Fatal(err)
}
if len(body) != 0 {
t.Fatal("response body should remain empty")
}
}
func TestInspectResponseBinary(t *testing.T) {
ct := "application/octet-stream"
br := ioutil.NopCloser(bytes.NewReader(binaryContext))
contentType, bReader, err := inspectResponse(ct, br, int64(len(binaryContext)))
if err != nil {
t.Fatal(err)
}
if contentType != "application/octet-stream" {
t.Fatalf("Content type should be 'application/octet-stream' but is %q", contentType)
}
body, err := ioutil.ReadAll(bReader)
if err != nil {
t.Fatal(err)
}
if len(body) != len(binaryContext) {
t.Fatalf("Wrong response size %d, should be == len(binaryContext)", len(body))
}
for i := range body {
if body[i] != binaryContext[i] {
t.Fatalf("Corrupted response body at byte index %d", i)
}
}
}
func TestResponseUnsupportedContentType(t *testing.T) {
content := []byte(textPlainDockerfile)
ct := "application/json"
br := ioutil.NopCloser(bytes.NewReader(content))
contentType, bReader, err := inspectResponse(ct, br, int64(len(textPlainDockerfile)))
if err == nil {
t.Fatal("Should have returned an error on content-type 'application/json'")
}
if contentType != ct {
t.Fatalf("Should not have altered content-type: orig: %s, altered: %s", ct, contentType)
}
body, err := ioutil.ReadAll(bReader)
if err != nil {
t.Fatal(err)
}
if string(body) != textPlainDockerfile {
t.Fatalf("Corrupted response body %s", body)
}
}
func TestInspectResponseTextSimple(t *testing.T) {
content := []byte(textPlainDockerfile)
ct := "text/plain"
br := ioutil.NopCloser(bytes.NewReader(content))
contentType, bReader, err := inspectResponse(ct, br, int64(len(content)))
if err != nil {
t.Fatal(err)
}
if contentType != "text/plain" {
t.Fatalf("Content type should be 'text/plain' but is %q", contentType)
}
body, err := ioutil.ReadAll(bReader)
if err != nil {
t.Fatal(err)
}
if string(body) != textPlainDockerfile {
t.Fatalf("Corrupted response body %s", body)
}
}
func TestInspectResponseEmptyContentType(t *testing.T) {
content := []byte(textPlainDockerfile)
br := ioutil.NopCloser(bytes.NewReader(content))
contentType, bodyReader, err := inspectResponse("", br, int64(len(content)))
if err != nil {
t.Fatal(err)
}
if contentType != "text/plain" {
t.Fatalf("Content type should be 'text/plain' but is %q", contentType)
}
body, err := ioutil.ReadAll(bodyReader)
if err != nil {
t.Fatal(err)
}
if string(body) != textPlainDockerfile {
t.Fatalf("Corrupted response body %s", body)
}
}