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
102 lines
2.7 KiB
Go
102 lines
2.7 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"
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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 TestNodeListErrorOnAPIFailure(t *testing.T) {
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testCases := []struct {
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nodeListFunc func() ([]swarm.Node, error)
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infoFunc func() (types.Info, error)
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expectedError string
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}{
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{
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nodeListFunc: func() ([]swarm.Node, error) {
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return []swarm.Node{}, fmt.Errorf("error listing nodes")
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},
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expectedError: "error listing nodes",
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},
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{
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nodeListFunc: func() ([]swarm.Node, error) {
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return []swarm.Node{
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{
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ID: "nodeID",
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},
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}, nil
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},
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infoFunc: func() (types.Info, error) {
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return types.Info{}, fmt.Errorf("error asking for node info")
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},
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expectedError: "error asking for node info",
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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 := newListCommand(
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test.NewFakeCli(&fakeClient{
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nodeListFunc: tc.nodeListFunc,
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infoFunc: tc.infoFunc,
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}, buf))
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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 TestNodeList(t *testing.T) {
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buf := new(bytes.Buffer)
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cmd := newListCommand(
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test.NewFakeCli(&fakeClient{
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nodeListFunc: func() ([]swarm.Node, error) {
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return []swarm.Node{
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*Node(NodeID("nodeID1"), Hostname("nodeHostname1"), Manager(Leader())),
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*Node(NodeID("nodeID2"), Hostname("nodeHostname2"), Manager()),
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*Node(NodeID("nodeID3"), Hostname("nodeHostname3")),
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}, nil
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},
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infoFunc: func() (types.Info, error) {
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return types.Info{
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Swarm: swarm.Info{
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NodeID: "nodeID1",
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},
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}, nil
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},
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}, buf))
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assert.NilError(t, cmd.Execute())
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assert.Contains(t, buf.String(), `nodeID1 * nodeHostname1 Ready Active Leader`)
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assert.Contains(t, buf.String(), `nodeID2 nodeHostname2 Ready Active Reachable`)
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assert.Contains(t, buf.String(), `nodeID3 nodeHostname3 Ready Active`)
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}
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func TestNodeListQuietShouldOnlyPrintIDs(t *testing.T) {
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buf := new(bytes.Buffer)
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cmd := newListCommand(
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test.NewFakeCli(&fakeClient{
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nodeListFunc: func() ([]swarm.Node, error) {
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return []swarm.Node{
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*Node(),
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}, nil
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},
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}, buf))
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cmd.Flags().Set("quiet", "true")
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assert.NilError(t, cmd.Execute())
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assert.Contains(t, buf.String(), "nodeID")
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}
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// Test case for #24090
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func TestNodeListContainsHostname(t *testing.T) {
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buf := new(bytes.Buffer)
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cmd := newListCommand(test.NewFakeCli(&fakeClient{}, buf))
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assert.NilError(t, cmd.Execute())
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assert.Contains(t, buf.String(), "HOSTNAME")
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}
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