f6ad06ceb6
Start work on adding unit tests to our cli code in order to have to write less costly integration test. Signed-off-by: Vincent Demeester <vincent@sbr.pm> Upstream-commit: f151c297eb268e22dc1eb36ded0e356885f40739 Component: engine
89 lines
2.5 KiB
Go
89 lines
2.5 KiB
Go
package node
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"testing"
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"github.com/docker/docker/api/types/swarm"
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"github.com/docker/docker/cli/internal/test"
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// Import builders to get the builder function as package function
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. "github.com/docker/docker/cli/internal/test/builders"
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"github.com/docker/docker/pkg/testutil/assert"
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)
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func TestNodeDemoteErrors(t *testing.T) {
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testCases := []struct {
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args []string
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nodeInspectFunc func() (swarm.Node, []byte, error)
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nodeUpdateFunc func(nodeID string, version swarm.Version, node swarm.NodeSpec) error
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expectedError string
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}{
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{
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expectedError: "requires at least 1 argument",
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},
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{
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args: []string{"nodeID"},
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nodeInspectFunc: func() (swarm.Node, []byte, error) {
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return swarm.Node{}, []byte{}, fmt.Errorf("error inspecting the node")
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},
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expectedError: "error inspecting the node",
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},
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{
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args: []string{"nodeID"},
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nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
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return fmt.Errorf("error updating the node")
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},
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expectedError: "error updating the node",
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},
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}
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for _, tc := range testCases {
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buf := new(bytes.Buffer)
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cmd := newDemoteCommand(
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test.NewFakeCli(&fakeClient{
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nodeInspectFunc: tc.nodeInspectFunc,
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nodeUpdateFunc: tc.nodeUpdateFunc,
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}, buf))
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cmd.SetArgs(tc.args)
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cmd.SetOutput(ioutil.Discard)
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assert.Error(t, cmd.Execute(), tc.expectedError)
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}
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}
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func TestNodeDemoteNoChange(t *testing.T) {
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buf := new(bytes.Buffer)
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cmd := newDemoteCommand(
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test.NewFakeCli(&fakeClient{
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nodeInspectFunc: func() (swarm.Node, []byte, error) {
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return *Node(), []byte{}, nil
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},
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nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
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if node.Role != swarm.NodeRoleWorker {
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return fmt.Errorf("expected role worker, got %s", node.Role)
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}
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return nil
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},
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}, buf))
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cmd.SetArgs([]string{"nodeID"})
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assert.NilError(t, cmd.Execute())
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}
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func TestNodeDemoteMultipleNode(t *testing.T) {
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buf := new(bytes.Buffer)
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cmd := newDemoteCommand(
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test.NewFakeCli(&fakeClient{
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nodeInspectFunc: func() (swarm.Node, []byte, error) {
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return *Node(Manager()), []byte{}, nil
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},
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nodeUpdateFunc: func(nodeID string, version swarm.Version, node swarm.NodeSpec) error {
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if node.Role != swarm.NodeRoleWorker {
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return fmt.Errorf("expected role worker, got %s", node.Role)
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}
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return nil
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},
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}, buf))
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cmd.SetArgs([]string{"nodeID1", "nodeID2"})
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assert.NilError(t, cmd.Execute())
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}
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