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package client // import "github.com/docker/docker/client"
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"strings"
"testing"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/errdefs"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestContainerCreateError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
_, err := client.ContainerCreate(context.Background(), nil, nil, nil, nil, "nothing")
assert.Check(t, is.ErrorType(err, errdefs.IsSystem))
// 404 doesn't automatically means an unknown image
client = &Client{
client: newMockClient(errorMock(http.StatusNotFound, "Server error")),
}
_, err = client.ContainerCreate(context.Background(), nil, nil, nil, nil, "nothing")
assert.Check(t, is.ErrorType(err, errdefs.IsNotFound))
}
func TestContainerCreateImageNotFound(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusNotFound, "No such image")),
}
_, err := client.ContainerCreate(context.Background(), &container.Config{Image: "unknown_image"}, nil, nil, nil, "unknown")
assert.Check(t, is.ErrorType(err, errdefs.IsNotFound))
}
func TestContainerCreateWithName(t *testing.T) {
expectedURL := "/containers/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)
}
name := req.URL.Query().Get("name")
if name != "container_name" {
return nil, fmt.Errorf("container name not set in URL query properly. Expected `container_name`, got %s", name)
}
b, err := json.Marshal(container.CreateResponse{
ID: "container_id",
})
if err != nil {
return nil, err
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader(b)),
}, nil
}),
}
r, err := client.ContainerCreate(context.Background(), nil, nil, nil, nil, "container_name")
if err != nil {
t.Fatal(err)
}
if r.ID != "container_id" {
t.Fatalf("expected `container_id`, got %s", r.ID)
}
}
// TestContainerCreateAutoRemove validates that a client using API 1.24 always disables AutoRemove. When using API 1.25
// or up, AutoRemove should not be disabled.
func TestContainerCreateAutoRemove(t *testing.T) {
autoRemoveValidator := func(expectedValue bool) func(req *http.Request) (*http.Response, error) {
return func(req *http.Request) (*http.Response, error) {
var config configWrapper
if err := json.NewDecoder(req.Body).Decode(&config); err != nil {
return nil, err
}
if config.HostConfig.AutoRemove != expectedValue {
return nil, fmt.Errorf("expected AutoRemove to be %v, got %v", expectedValue, config.HostConfig.AutoRemove)
}
b, err := json.Marshal(container.CreateResponse{
ID: "container_id",
})
if err != nil {
return nil, err
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader(b)),
}, nil
}
}
client := &Client{
client: newMockClient(autoRemoveValidator(false)),
version: "1.24",
}
if _, err := client.ContainerCreate(context.Background(), nil, &container.HostConfig{AutoRemove: true}, nil, nil, ""); err != nil {
t.Fatal(err)
}
client = &Client{
client: newMockClient(autoRemoveValidator(true)),
version: "1.25",
}
if _, err := client.ContainerCreate(context.Background(), nil, &container.HostConfig{AutoRemove: true}, nil, nil, ""); err != nil {
t.Fatal(err)
}
}
// TestContainerCreateConnection verifies that connection errors occurring
// during API-version negotiation are not shadowed by API-version errors.
//
// Regression test for https://github.com/docker/cli/issues/4890
func TestContainerCreateConnectionError(t *testing.T) {
client, err := NewClientWithOpts(WithAPIVersionNegotiation(), WithHost("tcp://no-such-host.invalid"))
assert.NilError(t, err)
_, err = client.ContainerCreate(context.Background(), nil, nil, nil, nil, "")
assert.Check(t, is.ErrorType(err, IsErrConnectionFailed))
}
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