mirror of https://github.com/docker/cli.git
76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
package stack
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/docker/cli/internal/test/environment"
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shlex "github.com/flynn-archive/go-shlex"
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"github.com/gotestyourself/gotestyourself/golden"
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"github.com/gotestyourself/gotestyourself/icmd"
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"github.com/gotestyourself/gotestyourself/poll"
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"github.com/stretchr/testify/require"
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)
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var pollSettings = environment.DefaultPollSettings
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func TestRemove(t *testing.T) {
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stackname := "test-stack-remove"
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deployFullStack(t, stackname)
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defer cleanupFullStack(t, stackname)
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result := icmd.RunCmd(shell(t, "docker stack rm %s", stackname))
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result.Assert(t, icmd.Expected{Err: icmd.None})
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golden.Assert(t, result.Stdout(), "stack-remove-success.golden")
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}
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func deployFullStack(t *testing.T, stackname string) {
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// TODO: this stack should have full options not minimal options
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result := icmd.RunCmd(shell(t,
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"docker stack deploy --compose-file=./testdata/full-stack.yml %s", stackname))
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result.Assert(t, icmd.Success)
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poll.WaitOn(t, taskCount(stackname, 2), pollSettings)
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}
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func cleanupFullStack(t *testing.T, stackname string) {
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// FIXME(vdemeester) we shouldn't have to do that. it is hidding a race on docker stack rm
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poll.WaitOn(t, stackRm(stackname), pollSettings)
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poll.WaitOn(t, taskCount(stackname, 0), pollSettings)
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}
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func stackRm(stackname string) func(t poll.LogT) poll.Result {
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return func(poll.LogT) poll.Result {
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result := icmd.RunCommand("docker", "stack", "rm", stackname)
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if result.Error != nil {
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return poll.Continue("docker stack rm %s failed : %v", stackname, result.Error)
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}
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return poll.Success()
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}
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}
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func taskCount(stackname string, expected int) func(t poll.LogT) poll.Result {
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return func(poll.LogT) poll.Result {
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result := icmd.RunCommand(
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"docker", "stack", "ps", "-f=desired-state=running", stackname)
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count := lines(result.Stdout()) - 1
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if count == expected {
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return poll.Success()
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}
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return poll.Continue("task count is %d waiting for %d", count, expected)
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}
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}
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func lines(out string) int {
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return len(strings.Split(strings.TrimSpace(out), "\n"))
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}
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// TODO: move to gotestyourself
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func shell(t *testing.T, format string, args ...interface{}) icmd.Cmd {
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cmd, err := shlex.Split(fmt.Sprintf(format, args...))
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require.NoError(t, err)
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return icmd.Cmd{Command: cmd}
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}
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