github.com/zhouyu0/docker-note@v0.0.0-20190722021225-b8d3825084db/client/container_prune_test.go (about)

     1  package client // import "github.com/docker/docker/client"
     2  
     3  import (
     4  	"bytes"
     5  	"context"
     6  	"encoding/json"
     7  	"fmt"
     8  	"io/ioutil"
     9  	"net/http"
    10  	"strings"
    11  	"testing"
    12  
    13  	"github.com/docker/docker/api/types"
    14  	"github.com/docker/docker/api/types/filters"
    15  	"gotest.tools/assert"
    16  	is "gotest.tools/assert/cmp"
    17  )
    18  
    19  func TestContainersPruneError(t *testing.T) {
    20  	client := &Client{
    21  		client:  newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    22  		version: "1.25",
    23  	}
    24  
    25  	filters := filters.NewArgs()
    26  
    27  	_, err := client.ContainersPrune(context.Background(), filters)
    28  	assert.Check(t, is.Error(err, "Error response from daemon: Server error"))
    29  }
    30  
    31  func TestContainersPrune(t *testing.T) {
    32  	expectedURL := "/v1.25/containers/prune"
    33  
    34  	danglingFilters := filters.NewArgs()
    35  	danglingFilters.Add("dangling", "true")
    36  
    37  	noDanglingFilters := filters.NewArgs()
    38  	noDanglingFilters.Add("dangling", "false")
    39  
    40  	danglingUntilFilters := filters.NewArgs()
    41  	danglingUntilFilters.Add("dangling", "true")
    42  	danglingUntilFilters.Add("until", "2016-12-15T14:00")
    43  
    44  	labelFilters := filters.NewArgs()
    45  	labelFilters.Add("dangling", "true")
    46  	labelFilters.Add("label", "label1=foo")
    47  	labelFilters.Add("label", "label2!=bar")
    48  
    49  	listCases := []struct {
    50  		filters             filters.Args
    51  		expectedQueryParams map[string]string
    52  	}{
    53  		{
    54  			filters: filters.Args{},
    55  			expectedQueryParams: map[string]string{
    56  				"until":   "",
    57  				"filter":  "",
    58  				"filters": "",
    59  			},
    60  		},
    61  		{
    62  			filters: danglingFilters,
    63  			expectedQueryParams: map[string]string{
    64  				"until":   "",
    65  				"filter":  "",
    66  				"filters": `{"dangling":{"true":true}}`,
    67  			},
    68  		},
    69  		{
    70  			filters: danglingUntilFilters,
    71  			expectedQueryParams: map[string]string{
    72  				"until":   "",
    73  				"filter":  "",
    74  				"filters": `{"dangling":{"true":true},"until":{"2016-12-15T14:00":true}}`,
    75  			},
    76  		},
    77  		{
    78  			filters: noDanglingFilters,
    79  			expectedQueryParams: map[string]string{
    80  				"until":   "",
    81  				"filter":  "",
    82  				"filters": `{"dangling":{"false":true}}`,
    83  			},
    84  		},
    85  		{
    86  			filters: labelFilters,
    87  			expectedQueryParams: map[string]string{
    88  				"until":   "",
    89  				"filter":  "",
    90  				"filters": `{"dangling":{"true":true},"label":{"label1=foo":true,"label2!=bar":true}}`,
    91  			},
    92  		},
    93  	}
    94  	for _, listCase := range listCases {
    95  		client := &Client{
    96  			client: newMockClient(func(req *http.Request) (*http.Response, error) {
    97  				if !strings.HasPrefix(req.URL.Path, expectedURL) {
    98  					return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
    99  				}
   100  				query := req.URL.Query()
   101  				for key, expected := range listCase.expectedQueryParams {
   102  					actual := query.Get(key)
   103  					assert.Check(t, is.Equal(expected, actual))
   104  				}
   105  				content, err := json.Marshal(types.ContainersPruneReport{
   106  					ContainersDeleted: []string{"container_id1", "container_id2"},
   107  					SpaceReclaimed:    9999,
   108  				})
   109  				if err != nil {
   110  					return nil, err
   111  				}
   112  				return &http.Response{
   113  					StatusCode: http.StatusOK,
   114  					Body:       ioutil.NopCloser(bytes.NewReader(content)),
   115  				}, nil
   116  			}),
   117  			version: "1.25",
   118  		}
   119  
   120  		report, err := client.ContainersPrune(context.Background(), listCase.filters)
   121  		assert.Check(t, err)
   122  		assert.Check(t, is.Len(report.ContainersDeleted, 2))
   123  		assert.Check(t, is.Equal(uint64(9999), report.SpaceReclaimed))
   124  	}
   125  }