Update foo_bar.rb

foo_bar.rb

@@ -1 +1,23 @@
 # TODO: Add FooBar content
+class FooBar
+  def run(items = gets.chomp.to_i)
+    if items > 0
+      list = []
+      (1..items).each do |n|
+        if n % 3 == 0 && n % 5 == 0
+          list << "FOOBAR"
+        elsif n % 3 == 0
+          list << "FOO"
+        elsif n % 5 == 0
+          list << "BAR"
+        else
+          list << n
+        end
+      end
+    else
+      puts "Please enter a positive number"
+    end
+
+    list
+  end
+end

spec/example_spec.rb

@@ -1,10 +1,27 @@
 require "spec_helper"
-require_relative "../example"
+require_relative "../foo_bar"
 
-describe "Example" do
-  describe "#answer" do
-    it "returns 42" do
-      expect(Example.new.answer).to eq(42)
-    end
+describe "FooBar" do
+  it "returns correct list of items" do
+    result = FooBar.new.run(15)
+
+    expect(result.length).to eq(15)
+    expect(result).to eq([
+      1,
+      2,
+      "FOO",
+      4,
+      "BAR",
+      "FOO",
+      7,
+      8,
+      "FOO",
+      "BAR",
+      11,
+      "FOO",
+      13,
+      14,
+      "FOOBAR",
+    ])
   end
 end