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ui.go
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ui.go
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package terminal
import (
"fmt"
"strings"
"sync"
"time"
"github.com/cloudfoundry/cli/cf"
"github.com/cloudfoundry/cli/cf/configuration/core_config"
term "github.com/cloudfoundry/cli/cf/terminal"
)
const QuietPanic = "I should not print anything"
type FakeUI struct {
Outputs []string
UncapturedOutput []string
WarnOutputs []string
Prompts []string
PasswordPrompts []string
Inputs []string
FailedWithUsage bool
FailedWithUsageCommandName string
PanickedQuietly bool
ShowConfigurationCalled bool
sayMutex sync.Mutex
}
func (ui *FakeUI) PrintPaginator(rows []string, err error) {
if err != nil {
ui.Failed(err.Error())
return
}
for _, row := range rows {
ui.Say(row)
}
}
func (ui *FakeUI) PrintCapturingNoOutput(message string, args ...interface{}) {
ui.sayMutex.Lock()
defer ui.sayMutex.Unlock()
message = fmt.Sprintf(message, args...)
ui.UncapturedOutput = append(ui.UncapturedOutput, strings.Split(message, "\n")...)
return
}
func (ui *FakeUI) Say(message string, args ...interface{}) {
ui.sayMutex.Lock()
defer ui.sayMutex.Unlock()
message = fmt.Sprintf(message, args...)
ui.Outputs = append(ui.Outputs, strings.Split(message, "\n")...)
return
}
func (ui *FakeUI) Warn(message string, args ...interface{}) {
message = fmt.Sprintf(message, args...)
ui.WarnOutputs = append(ui.WarnOutputs, strings.Split(message, "\n")...)
ui.Say(message, args...)
return
}
func (ui *FakeUI) Ask(prompt string, args ...interface{}) string {
ui.Prompts = append(ui.Prompts, fmt.Sprintf(prompt, args...))
if len(ui.Inputs) == 0 {
panic("No input provided to Fake UI for prompt: " + fmt.Sprintf(prompt, args...))
}
answer := ui.Inputs[0]
ui.Inputs = ui.Inputs[1:]
return answer
}
func (ui *FakeUI) ConfirmDelete(modelType, modelName string) bool {
return ui.Confirm(
"Really delete the %s %s?%s",
modelType,
term.EntityNameColor(modelName),
term.PromptColor(">"))
}
func (ui *FakeUI) ConfirmDeleteWithAssociations(modelType, modelName string) bool {
return ui.ConfirmDelete(modelType, modelName)
}
func (ui *FakeUI) Confirm(prompt string, args ...interface{}) bool {
response := ui.Ask(prompt, args...)
switch strings.ToLower(response) {
case "y", "yes":
return true
}
return false
}
func (ui *FakeUI) AskForPassword(prompt string, args ...interface{}) string {
ui.PasswordPrompts = append(ui.PasswordPrompts, fmt.Sprintf(prompt, args...))
if len(ui.Inputs) == 0 {
panic("No input provided to Fake UI for prompt: " + fmt.Sprintf(prompt, args...))
}
answer := ui.Inputs[0]
ui.Inputs = ui.Inputs[1:]
return answer
}
func (ui *FakeUI) Ok() {
ui.Say("OK")
}
func (ui *FakeUI) Failed(message string, args ...interface{}) {
ui.Say("FAILED")
ui.Say(message, args...)
panic(QuietPanic)
}
func (ui *FakeUI) PanicQuietly() {
ui.PanickedQuietly = true
}
func (ui *FakeUI) DumpWarnOutputs() string {
return "****************************\n" + strings.Join(ui.WarnOutputs, "\n")
}
func (ui *FakeUI) DumpOutputs() string {
return "****************************\n" + strings.Join(ui.Outputs, "\n")
}
func (ui *FakeUI) DumpPrompts() string {
return "****************************\n" + strings.Join(ui.Prompts, "\n")
}
func (ui *FakeUI) ClearOutputs() {
ui.Outputs = []string{}
}
func (ui *FakeUI) ShowConfiguration(config core_config.Reader) {
ui.ShowConfigurationCalled = true
}
func (ui *FakeUI) LoadingIndication() {
}
func (ui *FakeUI) Wait(duration time.Duration) {
time.Sleep(duration)
}
func (ui *FakeUI) Table(headers []string) term.Table {
return term.NewTable(ui, headers)
}
func (ui *FakeUI) NotifyUpdateIfNeeded(config core_config.Reader) {
if !config.IsMinCliVersion(cf.Version) {
ui.Say("Cloud Foundry API version {{.ApiVer}} requires CLI version " + config.MinCliVersion() + " You are currently on version {{.CliVer}}. To upgrade your CLI, please visit: https://github.com/cloudfoundry/cli#downloads")
}
}