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input_test.go
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input_test.go
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package survey
import (
"bytes"
"fmt"
"io"
"os"
"testing"
"github.com/AlecAivazis/survey/v2/core"
"github.com/AlecAivazis/survey/v2/terminal"
expect "github.com/Netflix/go-expect"
"github.com/stretchr/testify/assert"
)
func init() {
// disable color output for all prompts to simplify testing
core.DisableColor = true
}
func TestInputRender(t *testing.T) {
tests := []struct {
title string
prompt Input
data InputTemplateData
expected string
}{
{
"Test Input question output without default",
Input{Message: "What is your favorite month:"},
InputTemplateData{},
fmt.Sprintf("%s What is your favorite month: ", defaultIcons().Question.Text),
},
{
"Test Input question output with default",
Input{Message: "What is your favorite month:", Default: "April"},
InputTemplateData{},
fmt.Sprintf("%s What is your favorite month: (April) ", defaultIcons().Question.Text),
},
{
"Test Input answer output",
Input{Message: "What is your favorite month:"},
InputTemplateData{Answer: "October", ShowAnswer: true},
fmt.Sprintf("%s What is your favorite month: October\n", defaultIcons().Question.Text),
},
{
"Test Input question output without default but with help hidden",
Input{Message: "What is your favorite month:", Help: "This is helpful"},
InputTemplateData{},
fmt.Sprintf("%s What is your favorite month: [%s for help] ", defaultIcons().Question.Text, string(defaultPromptConfig().HelpInput)),
},
{
"Test Input question output with default and with help hidden",
Input{Message: "What is your favorite month:", Default: "April", Help: "This is helpful"},
InputTemplateData{},
fmt.Sprintf("%s What is your favorite month: [%s for help] (April) ", defaultIcons().Question.Text, string(defaultPromptConfig().HelpInput)),
},
{
"Test Input question output without default but with help shown",
Input{Message: "What is your favorite month:", Help: "This is helpful"},
InputTemplateData{ShowHelp: true},
fmt.Sprintf("%s This is helpful\n%s What is your favorite month: ", defaultIcons().Help.Text, defaultIcons().Question.Text),
},
{
"Test Input question output with default and with help shown",
Input{Message: "What is your favorite month:", Default: "April", Help: "This is helpful"},
InputTemplateData{ShowHelp: true},
fmt.Sprintf("%s This is helpful\n%s What is your favorite month: (April) ", defaultIcons().Help.Text, defaultIcons().Question.Text),
},
}
for _, test := range tests {
r, w, err := os.Pipe()
assert.Nil(t, err, test.title)
test.prompt.WithStdio(terminal.Stdio{Out: w})
test.data.Input = test.prompt
// set the runtime config
test.data.Config = defaultPromptConfig()
err = test.prompt.Render(
InputQuestionTemplate,
test.data,
)
assert.Nil(t, err, test.title)
w.Close()
var buf bytes.Buffer
io.Copy(&buf, r)
assert.Contains(t, buf.String(), test.expected, test.title)
}
}
func TestInputPrompt(t *testing.T) {
tests := []PromptTest{
{
"Test Input prompt interaction",
&Input{
Message: "What is your name?",
},
func(c *expect.Console) {
c.ExpectString("What is your name?")
c.SendLine("Larry Bird")
c.ExpectEOF()
},
"Larry Bird",
},
{
"Test Input prompt interaction with default",
&Input{
Message: "What is your name?",
Default: "Johnny Appleseed",
},
func(c *expect.Console) {
c.ExpectString("What is your name?")
c.SendLine("")
c.ExpectEOF()
},
"Johnny Appleseed",
},
{
"Test Input prompt interaction overriding default",
&Input{
Message: "What is your name?",
Default: "Johnny Appleseed",
},
func(c *expect.Console) {
c.ExpectString("What is your name?")
c.SendLine("Larry Bird")
c.ExpectEOF()
},
"Larry Bird",
},
{
"Test Input prompt interaction and prompt for help",
&Input{
Message: "What is your name?",
Help: "It might be Satoshi Nakamoto",
},
func(c *expect.Console) {
c.ExpectString("What is your name?")
c.SendLine("?")
c.ExpectString("It might be Satoshi Nakamoto")
c.SendLine("Satoshi Nakamoto")
c.ExpectEOF()
},
"Satoshi Nakamoto",
},
{
// https://en.wikipedia.org/wiki/ANSI_escape_code
// Device Status Report - Reports the cursor position (CPR) to the
// application as (as though typed at the keyboard) ESC[n;mR, where n is the
// row and m is the column.
"Test Input prompt with R matching DSR",
&Input{
Message: "What is your name?",
},
func(c *expect.Console) {
c.ExpectString("What is your name?")
c.SendLine("R")
c.ExpectEOF()
},
"R",
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
RunPromptTest(t, test)
})
}
}