github.1git.de/docker/cli@v26.1.3+incompatible/cli/command/container/logs_test.go (about)

     1  package container
     2  
     3  import (
     4  	"context"
     5  	"io"
     6  	"strings"
     7  	"testing"
     8  
     9  	"github.com/docker/cli/internal/test"
    10  	"github.com/docker/docker/api/types"
    11  	"github.com/docker/docker/api/types/container"
    12  	"gotest.tools/v3/assert"
    13  	is "gotest.tools/v3/assert/cmp"
    14  )
    15  
    16  var logFn = func(expectedOut string) func(string, container.LogsOptions) (io.ReadCloser, error) {
    17  	return func(container string, opts container.LogsOptions) (io.ReadCloser, error) {
    18  		return io.NopCloser(strings.NewReader(expectedOut)), nil
    19  	}
    20  }
    21  
    22  func TestRunLogs(t *testing.T) {
    23  	inspectFn := func(containerID string) (types.ContainerJSON, error) {
    24  		return types.ContainerJSON{
    25  			Config:            &container.Config{Tty: true},
    26  			ContainerJSONBase: &types.ContainerJSONBase{State: &types.ContainerState{Running: false}},
    27  		}, nil
    28  	}
    29  
    30  	testcases := []struct {
    31  		doc           string
    32  		options       *logsOptions
    33  		client        fakeClient
    34  		expectedError string
    35  		expectedOut   string
    36  		expectedErr   string
    37  	}{
    38  		{
    39  			doc:         "successful logs",
    40  			expectedOut: "foo",
    41  			options:     &logsOptions{},
    42  			client:      fakeClient{logFunc: logFn("foo"), inspectFunc: inspectFn},
    43  		},
    44  	}
    45  
    46  	for _, testcase := range testcases {
    47  		t.Run(testcase.doc, func(t *testing.T) {
    48  			cli := test.NewFakeCli(&testcase.client)
    49  
    50  			err := runLogs(context.TODO(), cli, testcase.options)
    51  			if testcase.expectedError != "" {
    52  				assert.ErrorContains(t, err, testcase.expectedError)
    53  			} else if !assert.Check(t, err) {
    54  				return
    55  			}
    56  			assert.Check(t, is.Equal(testcase.expectedOut, cli.OutBuffer().String()))
    57  			assert.Check(t, is.Equal(testcase.expectedErr, cli.ErrBuffer().String()))
    58  		})
    59  	}
    60  }