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package client // import "github.com/docker/docker/client"
import (
"bytes"
"context"
"fmt"
"io/ioutil"
"net/http"
"strings"
"testing"
"github.com/docker/docker/errdefs"
)
func TestContainerStatsError(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
_, err := client.ContainerStats(context.Background(), "nothing", false)
if !errdefs.IsSystem(err) {
t.Fatalf("expected a Server Error, got %[1]T: %[1]v", err)
}
}
func TestContainerStats(t *testing.T) {
expectedURL := "/containers/container_id/stats"
cases := []struct {
stream bool
expectedStream string
}{
{
expectedStream: "0",
},
{
stream: true,
expectedStream: "1",
},
}
for _, c := range cases {
client := &Client{
client: newMockClient(func(r *http.Request) (*http.Response, error) {
if !strings.HasPrefix(r.URL.Path, expectedURL) {
return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, r.URL)
}
query := r.URL.Query()
stream := query.Get("stream")
if stream != c.expectedStream {
return nil, fmt.Errorf("stream not set in URL query properly. Expected '%s', got %s", c.expectedStream, stream)
}
return &http.Response{
StatusCode: http.StatusOK,
Body: ioutil.NopCloser(bytes.NewReader([]byte("response"))),
}, nil
}),
}
resp, err := client.ContainerStats(context.Background(), "container_id", c.stream)
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
content, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
if string(content) != "response" {
t.Fatalf("expected response to contain 'response', got %s", string(content))
}
}
}
|
