github.com/kinvolk/docker@v1.13.1/client/container_top_test.go (about)

     1  package client
     2  
     3  import (
     4  	"bytes"
     5  	"encoding/json"
     6  	"fmt"
     7  	"io/ioutil"
     8  	"net/http"
     9  	"reflect"
    10  	"strings"
    11  	"testing"
    12  
    13  	"github.com/docker/docker/api/types"
    14  	"golang.org/x/net/context"
    15  )
    16  
    17  func TestContainerTopError(t *testing.T) {
    18  	client := &Client{
    19  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    20  	}
    21  	_, err := client.ContainerTop(context.Background(), "nothing", []string{})
    22  	if err == nil || err.Error() != "Error response from daemon: Server error" {
    23  		t.Fatalf("expected a Server Error, got %v", err)
    24  	}
    25  }
    26  
    27  func TestContainerTop(t *testing.T) {
    28  	expectedURL := "/containers/container_id/top"
    29  	expectedProcesses := [][]string{
    30  		{"p1", "p2"},
    31  		{"p3"},
    32  	}
    33  	expectedTitles := []string{"title1", "title2"}
    34  
    35  	client := &Client{
    36  		client: newMockClient(func(req *http.Request) (*http.Response, error) {
    37  			if !strings.HasPrefix(req.URL.Path, expectedURL) {
    38  				return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
    39  			}
    40  			query := req.URL.Query()
    41  			args := query.Get("ps_args")
    42  			if args != "arg1 arg2" {
    43  				return nil, fmt.Errorf("args not set in URL query properly. Expected 'arg1 arg2', got %v", args)
    44  			}
    45  
    46  			b, err := json.Marshal(types.ContainerProcessList{
    47  				Processes: [][]string{
    48  					{"p1", "p2"},
    49  					{"p3"},
    50  				},
    51  				Titles: []string{"title1", "title2"},
    52  			})
    53  			if err != nil {
    54  				return nil, err
    55  			}
    56  
    57  			return &http.Response{
    58  				StatusCode: http.StatusOK,
    59  				Body:       ioutil.NopCloser(bytes.NewReader(b)),
    60  			}, nil
    61  		}),
    62  	}
    63  
    64  	processList, err := client.ContainerTop(context.Background(), "container_id", []string{"arg1", "arg2"})
    65  	if err != nil {
    66  		t.Fatal(err)
    67  	}
    68  	if !reflect.DeepEqual(expectedProcesses, processList.Processes) {
    69  		t.Fatalf("Processes: expected %v, got %v", expectedProcesses, processList.Processes)
    70  	}
    71  	if !reflect.DeepEqual(expectedTitles, processList.Titles) {
    72  		t.Fatalf("Titles: expected %v, got %v", expectedTitles, processList.Titles)
    73  	}
    74  }