Commit 6d34ec9

@@ -0,0 +1,46 @@
+require "spec_helper"
+
+class FizzBuzz
+  def run(input)
+  end
+end
+
+describe "FizzBuzz" do
+  let(:sut) { FizzBuzz.new }
+
+  context "when the input is a multiple of 3" do
+    it "should return Fizz" do
+      (1..10).each do |n|
+        result = sut.run(n*3)
+        result.should include("Fizz")
+      end
+    end
+  end
+
+  context "when the input is a multiple of 5" do
+    it "should say Buzz" do
+      (1..10).each do |n|
+        result = sut.run(n*5)
+        result.should include("Buzz")
+      end
+    end
+  end
+
+  context "when the input is not a multiple of 3" do
+    it "should not say Fizz" do
+      100.times do |n|
+        next if n % 3 == 0
+        sut.run(n).should_not include("Fizz")
+      end
+    end
+  end
+
+  context "when the input is not a multiple of 5" do
+    it "should not say Buzz" do
+      100.times do |n|
+        next if n % 5 == 0
+        sut.run(n).should_not include("Buzz")
+      end
+    end
+  end
+end