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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"
"github.com/docker/docker/api/types/events"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/errdefs"
)
func TestEventsErrorInOptions(t *testing.T) {
errorCases := []struct {
options types.EventsOptions
expectedError string
}{
{
options: types.EventsOptions{
Since: "2006-01-02TZ",
},
expectedError: `parsing time "2006-01-02TZ"`,
},
{
options: types.EventsOptions{
Until: "2006-01-02TZ",
},
expectedError: `parsing time "2006-01-02TZ"`,
},
}
for _, e := range errorCases {
client := &Client{
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
_, errs := client.Events(context.Background(), e.options)
err := <-errs
if err == nil || !strings.Contains(err.Error(), e.expectedError) {
t.Fatalf("expected an error %q, got %v", e.expectedError, err)
}
}
}
func TestEventsErrorFromServer(t *testing.T) {
client := &Client{
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
_, errs := client.Events(context.Background(), types.EventsOptions{})
err := <-errs
if !errdefs.IsSystem(err) {
t.Fatalf("expected a Server Error, got %[1]T: %[1]v", err)
}
}
func TestEvents(t *testing.T) {
expectedURL := "/events"
filters := filters.NewArgs()
filters.Add("type", events.ContainerEventType)
expectedFiltersJSON := fmt.Sprintf(`{"type":{"%s":true}}`, events.ContainerEventType)
eventsCases := []struct {
options types.EventsOptions
events []events.Message
expectedEvents map[string]bool
expectedQueryParams map[string]string
}{
{
options: types.EventsOptions{
Filters: filters,
},
expectedQueryParams: map[string]string{
"filters": expectedFiltersJSON,
},
events: []events.Message{},
expectedEvents: make(map[string]bool),
},
{
options: types.EventsOptions{
Filters: filters,
},
expectedQueryParams: map[string]string{
"filters": expectedFiltersJSON,
},
events: []events.Message{
{
Type: "container",
ID: "1",
Action: "create",
},
{
Type: "container",
ID: "2",
Action: "die",
},
{
Type: "container",
ID: "3",
Action: "create",
},
},
expectedEvents: map[string]bool{
"1": true,
"2": true,
"3": true,
},
},
}
for _, eventsCase := range eventsCases {
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()
for key, expected := range eventsCase.expectedQueryParams {
actual := query.Get(key)
if actual != expected {
return nil, fmt.Errorf("%s not set in URL query properly. Expected '%s', got %s", key, expected, actual)
}
}
buffer := new(bytes.Buffer)
for _, e := range eventsCase.events {
b, _ := json.Marshal(e)
buffer.Write(b)
}
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(buffer),
}, nil
}),
}
messages, errs := client.Events(context.Background(), eventsCase.options)
loop:
for {
select {
case err := <-errs:
if err != nil && err != io.EOF {
t.Fatal(err)
}
break loop
case e := <-messages:
_, ok := eventsCase.expectedEvents[e.ID]
if !ok {
t.Fatalf("event received not expected with action %s & id %s", e.Action, e.ID)
}
}
}
}
}
|
