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# frozen_string_literal: true
RSpec.describe TTY::Prompt, "#ask" do
subject(:prompt) { TTY::Prompt::Test.new }
it "asks question" do
prompt.ask("What is your name?")
expect(prompt.output.string).to eq([
"What is your name? ",
"\e[1A\e[2K\e[1G",
"What is your name? \n"
].join)
end
it "asks an empty question " do
prompt.input << "\r"
prompt.input.rewind
answer = prompt.ask
expect(answer).to eq(nil)
expect(prompt.output.string).to eql("\e[2K\e[1G\n\e[1A\e[2K\e[1G\n")
end
it "asks an empty question and returns nil if EOF is sent to stdin" do
prompt.input << nil
prompt.input.rewind
answer = prompt.ask("")
expect(answer).to eql(nil)
expect(prompt.output.string).to eq("\e[1A\e[2K\e[1G\n")
end
it "asks an empty question with prepopulated value" do
prompt.input << "\n"
prompt.input.rewind
answer = prompt.ask value: "yes"
expect(answer).to eq("yes")
expect(prompt.output.string).to eq([
"yes\e[2K\e[1G",
"yes\n\e[1A\e[2K\e[1G",
"\e[32myes\e[0m\n"
].join)
end
it "asks question with prepopulated value" do
prompt = TTY::Prompt::Test.new prefix: "> "
prompt.input << "\n"
prompt.input.rewind
answer = prompt.ask("Say?") do |q|
q.value "yes"
end
expect(answer).to eq("yes")
expect(prompt.output.string).to eq([
"> Say? yes\e[2K\e[1G",
"> Say? yes\n\e[1A\e[2K\e[1G",
"> Say? \e[32myes\e[0m\n"
].join)
end
it "asks a question with a prefix [?]" do
prompt = TTY::Prompt::Test.new(prefix: "[?] ")
prompt.input << "\r"
prompt.input.rewind
answer = prompt.ask "Are you Polish?"
expect(answer).to eq(nil)
expect(prompt.output.string).to eq([
"[?] Are you Polish? ",
"\e[2K\e[1G[?] Are you Polish? \n",
"\e[1A\e[2K\e[1G",
"[?] Are you Polish? \n"
].join)
end
it "asks a question with block" do
prompt.input << ""
prompt.input.rewind
answer = prompt.ask "What is your name?" do |q|
q.default "Piotr"
end
expect(answer).to eq("Piotr")
expect(prompt.output.string).to eq([
"What is your name? \e[90m(Piotr)\e[0m ",
"\e[1A\e[2K\e[1G",
"What is your name? \e[32mPiotr\e[0m\n"
].join)
end
it "changes question color" do
prompt.input << ""
prompt.input.rewind
options = {default: "Piotr", help_color: :red, active_color: :cyan}
answer = prompt.ask("What is your name?", **options)
expect(answer).to eq("Piotr")
expect(prompt.output.string).to eq([
"What is your name? \e[31m(Piotr)\e[0m ",
"\e[1A\e[2K\e[1G",
"What is your name? \e[36mPiotr\e[0m\n"
].join)
end
it "permits empty default parameter" do
prompt.input << "\r"
prompt.input.rewind
answer = prompt.ask("What is your name?", default: "")
expect(answer).to eq("")
expect(prompt.output.string).to eq([
"What is your name? ",
"\e[2K\e[1GWhat is your name? \n",
"\e[1A\e[2K\e[1G",
"What is your name? \n"
].join)
end
it "permits nil default parameter" do
prompt.input << "\r"
prompt.input.rewind
answer = prompt.ask("What is your name?", default: nil)
expect(answer).to eq(nil)
expect(prompt.output.string).to eq([
"What is your name? ",
"\e[2K\e[1GWhat is your name? \n",
"\e[1A\e[2K\e[1G",
"What is your name? \n"
].join)
end
it "sets quiet mode" do
prompt.ask("What is your name?", quiet: true)
expect(prompt.output.string).to eq([
"What is your name? ",
"\e[1A\e[2K\e[1G"
].join)
end
it "sets quiet mode through DSL" do
prompt.ask("What is your name?") do |q|
q.quiet true
end
expect(prompt.output.string).to eq([
"What is your name? ",
"\e[1A\e[2K\e[1G"
].join)
end
it "overwrites global settings" do
active = ->(str) { Pastel.new(enabled: true).cyan(str) }
help = Pastel.new.red.detach
global_settings = {prefix: "[?] ", active_color: active, help_color: help}
prompt = TTY::Prompt::Test.new(**global_settings)
prompt.input << "Piotr\r"
prompt.input.rewind
prompt.ask("What is your name?")
prompt.input << "Piotr\r"
prompt.input.rewind
local_settings = {prefix: ":-) ", active_color: :blue, help_color: :magenta}
prompt.ask("What is your name?", **local_settings)
expect(prompt.output.string).to eq([
"[?] What is your name? ",
"\e[2K\e[1G[?] What is your name? P",
"\e[2K\e[1G[?] What is your name? Pi",
"\e[2K\e[1G[?] What is your name? Pio",
"\e[2K\e[1G[?] What is your name? Piot",
"\e[2K\e[1G[?] What is your name? Piotr",
"\e[2K\e[1G[?] What is your name? Piotr\n",
"\e[1A\e[2K\e[1G",
"[?] What is your name? \e[36mPiotr\e[0m\n",
":-) What is your name? ",
"\e[2K\e[1G:-) What is your name? P",
"\e[2K\e[1G:-) What is your name? Pi",
"\e[2K\e[1G:-) What is your name? Pio",
"\e[2K\e[1G:-) What is your name? Piot",
"\e[2K\e[1G:-) What is your name? Piotr",
"\e[2K\e[1G:-) What is your name? Piotr\n",
"\e[1A\e[2K\e[1G",
":-) What is your name? \e[34mPiotr\e[0m\n"
].join)
end
end
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