github.com/itscaro/cli@v0.0.0-20190705081621-c9db0fe93829/cli/command/node/promote_test.go (about)

     1  package node
     2  
     3  import (
     4  	"io/ioutil"
     5  	"testing"
     6  
     7  	"github.com/docker/cli/internal/test"
     8  	"github.com/docker/docker/api/types/swarm"
     9  	"github.com/pkg/errors"
    10  	"gotest.tools/assert"
    11  	// Import builders to get the builder function as package function
    12  	. "github.com/docker/cli/internal/test/builders"
    13  )
    14  
    15  func TestNodePromoteErrors(t *testing.T) {
    16  	testCases := []struct {
    17  		args            []string
    18  		nodeInspectFunc func() (swarm.Node, []byte, error)
    19  		nodeUpdateFunc  func(nodeID string, version swarm.Version, node swarm.NodeSpec) error
    20  		expectedError   string
    21  	}{
    22  		{
    23  			expectedError: "requires at least 1 argument",
    24  		},
    25  		{
    26  			args: []string{"nodeID"},
    27  			nodeInspectFunc: func() (swarm.Node, []byte, error) {
    28  				return swarm.Node{}, []byte{}, errors.Errorf("error inspecting the node")
    29  			},
    30  			expectedError: "error inspecting the node",
    31  		},
    32  		{
    33  			args: []string{"nodeID"},
    34  			nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
    35  				return errors.Errorf("error updating the node")
    36  			},
    37  			expectedError: "error updating the node",
    38  		},
    39  	}
    40  	for _, tc := range testCases {
    41  		cmd := newPromoteCommand(
    42  			test.NewFakeCli(&fakeClient{
    43  				nodeInspectFunc: tc.nodeInspectFunc,
    44  				nodeUpdateFunc:  tc.nodeUpdateFunc,
    45  			}))
    46  		cmd.SetArgs(tc.args)
    47  		cmd.SetOutput(ioutil.Discard)
    48  		assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
    49  	}
    50  }
    51  
    52  func TestNodePromoteNoChange(t *testing.T) {
    53  	cmd := newPromoteCommand(
    54  		test.NewFakeCli(&fakeClient{
    55  			nodeInspectFunc: func() (swarm.Node, []byte, error) {
    56  				return *Node(Manager()), []byte{}, nil
    57  			},
    58  			nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
    59  				if node.Role != swarm.NodeRoleManager {
    60  					return errors.Errorf("expected role manager, got %s", node.Role)
    61  				}
    62  				return nil
    63  			},
    64  		}))
    65  	cmd.SetArgs([]string{"nodeID"})
    66  	assert.NilError(t, cmd.Execute())
    67  }
    68  
    69  func TestNodePromoteMultipleNode(t *testing.T) {
    70  	cmd := newPromoteCommand(
    71  		test.NewFakeCli(&fakeClient{
    72  			nodeInspectFunc: func() (swarm.Node, []byte, error) {
    73  				return *Node(), []byte{}, nil
    74  			},
    75  			nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
    76  				if node.Role != swarm.NodeRoleManager {
    77  					return errors.Errorf("expected role manager, got %s", node.Role)
    78  				}
    79  				return nil
    80  			},
    81  		}))
    82  	cmd.SetArgs([]string{"nodeID1", "nodeID2"})
    83  	assert.NilError(t, cmd.Execute())
    84  }