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
103 lines
2.3 KiB
Go
103 lines
2.3 KiB
Go
package swarm
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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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"strings"
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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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"github.com/docker/docker/pkg/testutil/assert"
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)
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func TestSwarmJoinErrors(t *testing.T) {
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testCases := []struct {
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name string
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args []string
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swarmJoinFunc func() 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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name: "not-enough-args",
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expectedError: "requires exactly 1 argument",
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},
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{
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name: "too-many-args",
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args: []string{"remote1", "remote2"},
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expectedError: "requires exactly 1 argument",
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},
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{
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name: "join-failed",
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args: []string{"remote"},
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swarmJoinFunc: func() error {
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return fmt.Errorf("error joining the swarm")
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},
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expectedError: "error joining the swarm",
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},
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{
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name: "join-failed-on-init",
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args: []string{"remote"},
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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 := newJoinCommand(
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test.NewFakeCli(&fakeClient{
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swarmJoinFunc: tc.swarmJoinFunc,
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infoFunc: tc.infoFunc,
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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 TestSwarmJoin(t *testing.T) {
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testCases := []struct {
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name string
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infoFunc func() (types.Info, error)
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expected string
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}{
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{
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name: "join-as-manager",
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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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ControlAvailable: true,
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},
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}, nil
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},
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expected: "This node joined a swarm as a manager.",
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},
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{
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name: "join-as-worker",
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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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ControlAvailable: false,
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},
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}, nil
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},
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expected: "This node joined a swarm as a worker.",
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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 := newJoinCommand(
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test.NewFakeCli(&fakeClient{
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infoFunc: tc.infoFunc,
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}, buf))
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cmd.SetArgs([]string{"remote"})
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assert.NilError(t, cmd.Execute())
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assert.Equal(t, strings.TrimSpace(buf.String()), tc.expected)
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}
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}
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