DannyBen · July 19, 2020 07:34 · Jul 19, 2020 · Jul 19, 2020
diff --git a/README.md b/README.md
@@ -1,5 +1,6 @@
 Run with:
 
 ```shell
+$ bundle
 $ bundle exec rspec tty-prompt-test.rb
 ```
diff --git a/Gemfile b/Gemfile
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+
+gem "tty-prompt", github: 'piotrmurach/tty-prompt'
+gem "rspec"
diff --git a/README.md b/README.md
@@ -0,0 +1,5 @@
+Run with:
+
+```shell
+$ bundle exec rspec tty-prompt-test.rb
+```
diff --git a/tty-prompt-test.rb b/tty-prompt-test.rb
@@ -0,0 +1,45 @@
+require 'tty-prompt'
+require "tty/prompt/test"
+
+class Subject
+  def prompt
+    @prompt ||= TTY::Prompt.new
+  end
+
+  def run
+    "#{name} #{destiny}"
+  end
+
+  def name
+    prompt.ask "Name:"
+  end
+
+  def destiny
+    prompt.select("Destiny:", %w(Scorpion Kano Jax))
+  end
+end
+
+describe Subject do
+  let(:prompt) { TTY::Prompt::Test.new }
+
+  before do
+    prompt.on :keypress do |e|
+      prompt.trigger :keyup   if e.value == "k"
+      prompt.trigger :keydown if e.value == "j"
+    end
+
+    allow(subject).to receive(:prompt).and_return prompt
+  end
+
+  it "works" do
+    prompt.input << "Danny" << "\n" << "j" << "\n"
+    prompt.input.rewind
+    expect(subject.run).to eq "Danny Kano"
+  end
+
+  it "works for sure" do
+    prompt.input << "Danny" << "\n" << "j" << "j" << "\n"
+    prompt.input.rewind
+    expect(subject.run).to eq "Danny Jax"
+  end
+end
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