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moby--moby/client/container_create_test.go

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package client
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"strings"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"golang.org/x/net/context"
)
func TestContainerCreateError(t *testing.T) {
client := &Client{
transport: newMockClient(nil, errorMock(http.StatusInternalServerError, "Server error")),
}
_, err := client.ContainerCreate(context.Background(), nil, nil, nil, "nothing")
if err == nil || err.Error() != "Error response from daemon: Server error" {
t.Fatalf("expected a Server Error, got %v", err)
}
// 404 doesn't automagitally means an unknown image
client = &Client{
transport: newMockClient(nil, errorMock(http.StatusNotFound, "Server error")),
}
_, err = client.ContainerCreate(context.Background(), nil, nil, nil, "nothing")
if err == nil || err.Error() != "Error response from daemon: Server error" {
t.Fatalf("expected a Server Error, got %v", err)
}
}
func TestContainerCreateImageNotFound(t *testing.T) {
client := &Client{
transport: newMockClient(nil, errorMock(http.StatusNotFound, "No such image")),
}
_, err := client.ContainerCreate(context.Background(), &container.Config{Image: "unknown_image"}, nil, nil, "unknown")
if err == nil || !IsErrImageNotFound(err) {
t.Fatalf("expected an imageNotFound error, got %v", err)
}
}
func TestContainerCreateWithName(t *testing.T) {
expectedURL := "/containers/create"
client := &Client{
transport: newMockClient(nil, 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(types.ContainerCreateResponse{
ID: "container_id",
})
if err != nil {
return nil, err
}
return &http.Response{
StatusCode: http.StatusOK,
Body: ioutil.NopCloser(bytes.NewReader(b)),
}, nil
}),
}
r, err := client.ContainerCreate(context.Background(), 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)
}
}