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package node
import (
"bytes"
"io/ioutil"
"testing"
"github.com/docker/cli/cli/internal/test"
"github.com/docker/docker/api/types/swarm"
"github.com/pkg/errors"
// Import builders to get the builder function as package function
. "github.com/docker/cli/cli/internal/test/builders"
"github.com/docker/docker/pkg/testutil"
"github.com/stretchr/testify/assert"
)
func TestNodeUpdateErrors(t *testing.T) {
testCases := []struct {
args []string
flags map[string]string
nodeInspectFunc func() (swarm.Node, []byte, error)
nodeUpdateFunc func(nodeID string, version swarm.Version, node swarm.NodeSpec) error
expectedError string
}{
{
expectedError: "requires exactly 1 argument",
},
{
args: []string{"node1", "node2"},
expectedError: "requires exactly 1 argument",
},
{
args: []string{"nodeID"},
nodeInspectFunc: func() (swarm.Node, []byte, error) {
return swarm.Node{}, []byte{}, errors.Errorf("error inspecting the node")
},
expectedError: "error inspecting the node",
},
{
args: []string{"nodeID"},
nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
return errors.Errorf("error updating the node")
},
expectedError: "error updating the node",
},
{
args: []string{"nodeID"},
nodeInspectFunc: func() (swarm.Node, []byte, error) {
return *Node(NodeLabels(map[string]string{
"key": "value",
})), []byte{}, nil
},
flags: map[string]string{
"label-rm": "notpresent",
},
expectedError: "key notpresent doesn't exist in node's labels",
},
}
for _, tc := range testCases {
buf := new(bytes.Buffer)
cmd := newUpdateCommand(
test.NewFakeCli(&fakeClient{
nodeInspectFunc: tc.nodeInspectFunc,
nodeUpdateFunc: tc.nodeUpdateFunc,
}, buf))
cmd.SetArgs(tc.args)
for key, value := range tc.flags {
cmd.Flags().Set(key, value)
}
cmd.SetOutput(ioutil.Discard)
testutil.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestNodeUpdate(t *testing.T) {
testCases := []struct {
args []string
flags map[string]string
nodeInspectFunc func() (swarm.Node, []byte, error)
nodeUpdateFunc func(nodeID string, version swarm.Version, node swarm.NodeSpec) error
}{
{
args: []string{"nodeID"},
flags: map[string]string{
"role": "manager",
},
nodeInspectFunc: func() (swarm.Node, []byte, error) {
return *Node(), []byte{}, nil
},
nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
if node.Role != swarm.NodeRoleManager {
return errors.Errorf("expected role manager, got %s", node.Role)
}
return nil
},
},
{
args: []string{"nodeID"},
flags: map[string]string{
"availability": "drain",
},
nodeInspectFunc: func() (swarm.Node, []byte, error) {
return *Node(), []byte{}, nil
},
nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
if node.Availability != swarm.NodeAvailabilityDrain {
return errors.Errorf("expected drain availability, got %s", node.Availability)
}
return nil
},
},
{
args: []string{"nodeID"},
flags: map[string]string{
"label-add": "lbl",
},
nodeInspectFunc: func() (swarm.Node, []byte, error) {
return *Node(), []byte{}, nil
},
nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
if _, present := node.Annotations.Labels["lbl"]; !present {
return errors.Errorf("expected 'lbl' label, got %v", node.Annotations.Labels)
}
return nil
},
},
{
args: []string{"nodeID"},
flags: map[string]string{
"label-add": "key=value",
},
nodeInspectFunc: func() (swarm.Node, []byte, error) {
return *Node(), []byte{}, nil
},
nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
if value, present := node.Annotations.Labels["key"]; !present || value != "value" {
return errors.Errorf("expected 'key' label to be 'value', got %v", node.Annotations.Labels)
}
return nil
},
},
{
args: []string{"nodeID"},
flags: map[string]string{
"label-rm": "key",
},
nodeInspectFunc: func() (swarm.Node, []byte, error) {
return *Node(NodeLabels(map[string]string{
"key": "value",
})), []byte{}, nil
},
nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
if len(node.Annotations.Labels) > 0 {
return errors.Errorf("expected no labels, got %v", node.Annotations.Labels)
}
return nil
},
},
}
for _, tc := range testCases {
buf := new(bytes.Buffer)
cmd := newUpdateCommand(
test.NewFakeCli(&fakeClient{
nodeInspectFunc: tc.nodeInspectFunc,
nodeUpdateFunc: tc.nodeUpdateFunc,
}, buf))
cmd.SetArgs(tc.args)
for key, value := range tc.flags {
cmd.Flags().Set(key, value)
}
assert.NoError(t, cmd.Execute())
}
}