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# frozen_string_literal: true
RSpec.describe TTY::Prompt, "#expand" do
subject(:prompt) { TTY::Prompt::Test.new }
let(:choices) {
[{
key: "y",
name: "Overwrite",
value: :yes
}, {
key: "n",
name: "Skip",
value: :no
}, {
key: "a",
name: "Overwrite all",
value: :all
}, {
key: "d",
name: "Show diff",
value: :diff
}, {
key: "q",
name: "Quit",
value: :quit
}]
}
it "expands default option" do
prompt.input << "\n"
prompt.input.rewind
result = prompt.expand("Overwrite Gemfile?", choices)
expect(result).to eq(:yes)
expected_output = [
"Overwrite Gemfile? (enter \"h\" for help) [\e[32my\e[0m,n,a,d,q,h] ",
"\e[2K\e[1G",
"Overwrite Gemfile? \e[32mOverwrite\e[0m\n"
].join
expect(prompt.output.string).to eq(expected_output)
end
it "changes default option" do
prompt.input << "\n"
prompt.input.rewind
result = prompt.expand("Overwrite Gemfile?", choices, default: 3)
expect(result).to eq(:all)
expected_output = [
"Overwrite Gemfile? (enter \"h\" for help) [y,n,\e[32ma\e[0m,d,q,h] ",
"\e[2K\e[1G",
"Overwrite Gemfile? \e[32mOverwrite all\e[0m\n"
].join
expect(prompt.output.string).to eq(expected_output)
end
it "sets quiet mode" do
prompt.input << "\n"
prompt.input.rewind
result = prompt.expand("Overwrite Gemfile?", choices, quiet: true)
expect(result).to eq(:yes)
expected_output = [
"Overwrite Gemfile? (enter \"h\" for help) [\e[32my\e[0m,n,a,d,q,h] ",
"\e[2K\e[1G"
].join
expect(prompt.output.string).to eq(expected_output)
end
it "sets quiet mode through DSL" do
prompt.input << "\n"
prompt.input.rewind
result = prompt.expand("Overwrite Gemfile?") do |q|
q.choice key: "y", name: "Overwrite", value: :yes
q.choice key: "n", name: "Skip", value: :no
q.choice key: "a", name: "Overwrite all", value: :all
q.choice key: "d", name: "Show diff", value: :diff
q.choice key: "q", name: "Quit", value: :quit
q.quiet true
end
expect(result).to eq(:yes)
expected_output = [
"Overwrite Gemfile? (enter \"h\" for help) [\e[32my\e[0m,n,a,d,q,h] ",
"\e[2K\e[1G"
].join
expect(prompt.output.string).to eq(expected_output)
end
it "expands chosen option with extra information" do
prompt.input << "a\n"
prompt.input.rewind
result = prompt.expand("Overwrite Gemfile?", choices)
expect(result).to eq(:all)
expected_output = [
"Overwrite Gemfile? (enter \"h\" for help) [\e[32my\e[0m,n,a,d,q,h] ",
"\e[2K\e[1G",
"Overwrite Gemfile? (enter \"h\" for help) [y,n,\e[32ma\e[0m,d,q,h] ",
"a\n",
"\e[32m>> \e[0mOverwrite all",
"\e[A\e[1G\e[55C",
"\e[2K\e[1G",
"\e[1B",
"\e[2K\e[1G",
"\e[A\e[1G",
"Overwrite Gemfile? \e[32mOverwrite all\e[0m\n"
].join
expect(prompt.output.string).to eq(expected_output)
end
it "expands help option and then defaults" do
prompt.input << "h\nd\n"
prompt.input.rewind
result = prompt.expand("Overwrite Gemfile?", choices)
expect(result).to eq(:diff)
expected_output = [
"Overwrite Gemfile? (enter \"h\" for help) [\e[32my\e[0m,n,a,d,q,h] ",
"\e[2K\e[1G",
"Overwrite Gemfile? (enter \"h\" for help) [y,n,a,d,q,\e[32mh\e[0m] h\n",
"\e[32m>> \e[0mprint help",
"\e[A\e[1G\e[55C",
"\e[2K\e[1G",
"\e[1B",
"\e[2K\e[1G",
"\e[A\e[1G",
"Overwrite Gemfile? \n",
" y - Overwrite\n",
" n - Skip\n",
" a - Overwrite all\n",
" d - Show diff\n",
" q - Quit\n",
" h - print help\n",
" Choice [y]: ",
"\e[2K\e[1G\e[1A" * 7,
"\e[2K\e[1G",
"Overwrite Gemfile? \n",
" y - Overwrite\n",
" n - Skip\n",
" a - Overwrite all\n",
" \e[32md - Show diff\e[0m\n",
" q - Quit\n",
" h - print help\n",
" Choice [y]: d",
"\e[2K\e[1G\e[1A" * 7,
"\e[2K\e[1G",
"Overwrite Gemfile? \e[32mShow diff\e[0m\n"
].join
expect(prompt.output.string).to eq(expected_output)
end
it "automatically expands hint" do
prompt.input << "d\n"
prompt.input.rewind
result = prompt.expand("Overwrite Gemfile?", choices, auto_hint: true)
expect(result).to eq(:diff)
expected_output = [
"Overwrite Gemfile? (enter \"h\" for help) [\e[32my\e[0m,n,a,d,q,h] ",
"\n\e[32m>> \e[0mOverwrite",
"\e[A\e[1G\e[54C",
"\e[2K\e[1G",
"\e[1B",
"\e[2K\e[1G",
"\e[A\e[1G",
"Overwrite Gemfile? (enter \"h\" for help) [y,n,a,\e[32md\e[0m,q,h] ",
"d\n",
"\e[32m>> \e[0mShow diff",
"\e[A\e[1G\e[55C",
"\e[2K\e[1G",
"\e[1B",
"\e[2K\e[1G",
"\e[A\e[1G",
"Overwrite Gemfile? \e[32mShow diff\e[0m\n",
"\e[32m>> \e[0mShow diff",
"\e[A\e[1G\e[28C\n"
].join
expect(prompt.output.string).to eq(expected_output)
end
it "informs about invalid input when automatically expanding hint" do
prompt.on(:keypress) { |e| prompt.trigger(:keybackspace) if e.value == "w" }
prompt.input << "y" << "y" << "\u007F" << "\r"
prompt.input.rewind
result = prompt.expand("Overwrite Gemfile?", choices, defualt: 1, auto_hint: true)
expect(result).to eq(:yes)
expected_output = [
"Overwrite Gemfile? (enter \"h\" for help) [\e[32my\e[0m,n,a,d,q,h] ",
"\n\e[32m>> \e[0mOverwrite",
"\e[A\e[1G\e[54C",
"\e[2K\e[1G",
"\e[1B",
"\e[2K\e[1G",
"\e[A\e[1G",
"Overwrite Gemfile? (enter \"h\" for help) [\e[32my\e[0m,n,a,d,q,h] ",
"y\n",
"\e[32m>> \e[0mOverwrite",
"\e[A\e[1G\e[55C",
"\e[2K\e[1G",
"\e[1B",
"\e[2K\e[1G",
"\e[A\e[1G",
"Overwrite Gemfile? (enter \"h\" for help) [y,n,a,d,q,h] ",
"yy\n",
"\e[32m>> \e[0minvalid option",
"\e[A\e[1G\e[56C",
"\e[2K\e[1G",
"\e[1B",
"\e[2K\e[1G",
"\e[A\e[1G",
"Overwrite Gemfile? (enter \"h\" for help) [\e[32my\e[0m,n,a,d,q,h] ",
"y\n",
"\e[32m>> \e[0mOverwrite",
"\e[A\e[1G\e[55C",
"\e[2K\e[1G",
"\e[1B",
"\e[2K\e[1G",
"\e[A\e[1G",
"Overwrite Gemfile? \e[32mOverwrite\e[0m\n",
"\e[32m>> \e[0mOverwrite",
"\e[A\e[1G\e[28C\n"
].join
expect(prompt.output.string).to eq(expected_output)
end
it "specifies options through DSL" do
prompt.input << "\n"
prompt.input.rewind
result = prompt.expand("Overwrite Gemfile?") do |q|
q.default 4
q.choice key: "y", name: "Overwrite", value: :yes
q.choice key: "n", name: "Skip", value: :no
q.choice key: "a", name: "Overwrite all", value: :all
q.choice key: "d", name: "Show diff", value: :diff
q.choice key: "q", name: "Quit", value: :quit
end
expect(result).to eq(:diff)
expected_output = [
"Overwrite Gemfile? (enter \"h\" for help) [y,n,a,\e[32md\e[0m,q,h] ",
"\e[2K\e[1G",
"Overwrite Gemfile? \e[32mShow diff\e[0m\n"
].join
expect(prompt.output.string).to eq(expected_output)
end
it "specifies options through DSL and executes value" do
prompt.input << "\n"
prompt.input.rewind
result = prompt.expand("Overwrite Gemfile?") do |q|
q.choice key: "y", name: "Overwrite" do :ok end
q.choice key: "n", name: "Skip", value: :no
q.choice key: "a", name: "Overwrite all", value: :all
q.choice key: "d", name: "Show diff", value: :diff
q.choice key: "q", name: "Quit", value: :quit
end
expect(result).to eq(:ok)
expected_output = [
"Overwrite Gemfile? (enter \"h\" for help) [\e[32my\e[0m,n,a,d,q,h] ",
"\e[2K\e[1G",
"Overwrite Gemfile? \e[32mOverwrite\e[0m\n"
].join
expect(prompt.output.string).to eq(expected_output)
end
it "fails to expand due to lack of key attribute" do
choices = [{name: "Overwrite", value: :yes}]
expect {
prompt.expand("Overwrite Gemfile?", choices)
}.to raise_error(TTY::Prompt::ConfigurationError, /Choice Overwrite is missing a :key attribute/)
end
it "fails to expand due to wrong key length" do
choices = [{key: "long", name: "Overwrite", value: :yes}]
expect {
prompt.expand("Overwrite Gemfile?", choices)
}.to raise_error(TTY::Prompt::ConfigurationError, /Choice key `long` is more than one character long/)
end
it "fails to expand due to reserve key" do
choices = [{key: "h", name: "Overwrite", value: :yes}]
expect {
prompt.expand("Overwrite Gemfile?", choices)
}.to raise_error(TTY::Prompt::ConfigurationError, /Choice key `h` is reserved for help menu/)
end
it "fails to expand due to duplicate key" do
choices = [{key: "y", name: "Overwrite", value: :yes},
{key: "y", name: "Change", value: :yes}]
expect {
prompt.expand("Overwrite Gemfile?", choices)
}.to raise_error(TTY::Prompt::ConfigurationError, /Choice key `y` is a duplicate/)
end
end
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