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package client // import "github.com/docker/docker/client"
import (
"bytes"
"context"
"fmt"
"io"
"net/http"
"strings"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/errdefs"
)
func TestImagePullReferenceParseError(t *testing.T) {
client := &Client{
client: newMockClient(func(req *http.Request) (*http.Response, error) {
return nil, nil
}),
}
// An empty reference is an invalid reference
_, err := client.ImagePull(context.Background(), "", types.ImagePullOptions{})
if err == nil || !strings.Contains(err.Error(), "invalid reference format") {
t.Fatalf("expected an error, got %v", err)
}
}
func TestImagePullAnyError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
_, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{})
if !errdefs.IsSystem(err) {
t.Fatalf("expected a Server Error, got %[1]T: %[1]v", err)
}
}
func TestImagePullStatusUnauthorizedError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusUnauthorized, "Unauthorized error")),
}
_, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{})
if !errdefs.IsUnauthorized(err) {
t.Fatalf("expected a Unauthorized Error, got %[1]T: %[1]v", err)
}
}
func TestImagePullWithUnauthorizedErrorAndPrivilegeFuncError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusUnauthorized, "Unauthorized error")),
}
privilegeFunc := func() (string, error) {
return "", fmt.Errorf("Error requesting privilege")
}
_, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{
PrivilegeFunc: privilegeFunc,
})
if err == nil || err.Error() != "Error requesting privilege" {
t.Fatalf("expected an error requesting privilege, got %v", err)
}
}
func TestImagePullWithUnauthorizedErrorAndAnotherUnauthorizedError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusUnauthorized, "Unauthorized error")),
}
privilegeFunc := func() (string, error) {
return "a-auth-header", nil
}
_, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{
PrivilegeFunc: privilegeFunc,
})
if !errdefs.IsUnauthorized(err) {
t.Fatalf("expected a Unauthorized Error, got %[1]T: %[1]v", err)
}
}
func TestImagePullWithPrivilegedFuncNoError(t *testing.T) {
expectedURL := "/images/create"
client := &Client{
client: newMockClient(func(req *http.Request) (*http.Response, error) {
if !strings.HasPrefix(req.URL.Path, expectedURL) {
return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
}
auth := req.Header.Get("X-Registry-Auth")
if auth == "NotValid" {
return &http.Response{
StatusCode: http.StatusUnauthorized,
Body: io.NopCloser(bytes.NewReader([]byte("Invalid credentials"))),
}, nil
}
if auth != "IAmValid" {
return nil, fmt.Errorf("Invalid auth header : expected %s, got %s", "IAmValid", auth)
}
query := req.URL.Query()
fromImage := query.Get("fromImage")
if fromImage != "myimage" {
return nil, fmt.Errorf("fromimage not set in URL query properly. Expected '%s', got %s", "myimage", fromImage)
}
tag := query.Get("tag")
if tag != "latest" {
return nil, fmt.Errorf("tag not set in URL query properly. Expected '%s', got %s", "latest", tag)
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader([]byte("hello world"))),
}, nil
}),
}
privilegeFunc := func() (string, error) {
return "IAmValid", nil
}
resp, err := client.ImagePull(context.Background(), "myimage", types.ImagePullOptions{
RegistryAuth: "NotValid",
PrivilegeFunc: privilegeFunc,
})
if err != nil {
t.Fatal(err)
}
body, err := io.ReadAll(resp)
if err != nil {
t.Fatal(err)
}
if string(body) != "hello world" {
t.Fatalf("expected 'hello world', got %s", string(body))
}
}
func TestImagePullWithoutErrors(t *testing.T) {
expectedURL := "/images/create"
expectedOutput := "hello world"
pullCases := []struct {
all bool
reference string
expectedImage string
expectedTag string
}{
{
all: false,
reference: "myimage",
expectedImage: "myimage",
expectedTag: "latest",
},
{
all: false,
reference: "myimage:tag",
expectedImage: "myimage",
expectedTag: "tag",
},
{
all: true,
reference: "myimage",
expectedImage: "myimage",
expectedTag: "",
},
{
all: true,
reference: "myimage:anything",
expectedImage: "myimage",
expectedTag: "",
},
}
for _, pullCase := range pullCases {
client := &Client{
client: newMockClient(func(req *http.Request) (*http.Response, error) {
if !strings.HasPrefix(req.URL.Path, expectedURL) {
return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
}
query := req.URL.Query()
fromImage := query.Get("fromImage")
if fromImage != pullCase.expectedImage {
return nil, fmt.Errorf("fromimage not set in URL query properly. Expected '%s', got %s", pullCase.expectedImage, fromImage)
}
tag := query.Get("tag")
if tag != pullCase.expectedTag {
return nil, fmt.Errorf("tag not set in URL query properly. Expected '%s', got %s", pullCase.expectedTag, tag)
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader([]byte(expectedOutput))),
}, nil
}),
}
resp, err := client.ImagePull(context.Background(), pullCase.reference, types.ImagePullOptions{
All: pullCase.all,
})
if err != nil {
t.Fatal(err)
}
body, err := io.ReadAll(resp)
if err != nil {
t.Fatal(err)
}
if string(body) != expectedOutput {
t.Fatalf("expected '%s', got %s", expectedOutput, string(body))
}
}
}
|
