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# frozen_string_literal: true
RSpec.describe TTY::Prompt::ConverterRegistry do
context "contain" do
it "doesn't have conversion" do
registry = described_class.new
expect(registry.contain?(:unknown)).to eq(false)
end
it "contains conversion" do
registry = described_class.new(foo: ->(val) { val })
expect(registry.contain?(:foo)).to eq(true)
end
it "checks conversion with object type" do
registry = described_class.new(integer: ->(val) { val })
expect(registry.contain?(Integer)).to eq(true)
end
end
context "register" do
it "registers new conversion under single name" do
registry = described_class.new
registry.register(:foo) { |val| val }
expect(registry.contain?(:foo)).to eq(true)
end
it "registers new conversion under multiple names" do
registry = described_class.new
registry.register(:foo, :fum) { |val| val }
expect(registry.contain?(:foo)).to eq(true)
expect(registry.contain?(:fum)).to eq(true)
end
it "fails to register conversion" do
registry = described_class.new(foo: ->(val) { val })
expect {
registry.register(:foo) { "value2" }
}.to raise_error(TTY::Prompt::ConversionAlreadyDefined,
"converter for :foo is already registered")
end
end
context "fetch" do
it "retrieves converter from the registry" do
conversion = ->(val) { val }
registry = described_class.new(foo: conversion)
expect(registry[:foo]).to eq(conversion)
expect(registry.fetch(:foo)).to eq(conversion)
end
it "retrieves uppcase named converter" do
conversion = ->(val) { val }
registry = described_class.new(foo: conversion)
expect(registry["FOO"]).to eq(conversion)
end
it "fails to retrieve conversion" do
registry = described_class.new
expect {
registry[:foo]
}.to raise_error(TTY::Prompt::UnsupportedConversion,
"converter :foo is not registered")
end
end
end
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