From 8c22eb98dc59ff043da2a1bbd5193dceeb2fd9fb Mon Sep 17 00:00:00 2001
From: YUKI Hiroshi <shimoda@clear-code.com>
Date: Thu, 30 Apr 2015 16:59:34 +0900
Subject: [PATCH] Add tests for Reducer#sum with simple values

---
 test/unit/test_reducer.rb | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/test/unit/test_reducer.rb b/test/unit/test_reducer.rb
index 2dd29269..b81bd626 100644
--- a/test/unit/test_reducer.rb
+++ b/test/unit/test_reducer.rb
@@ -32,6 +32,40 @@ def create_record(*columns)
     end
   end
 
+    data(
+      :int => {
+        :expected => 3,
+        :left     => 1,
+        :right    => 2,
+      },
+      :float => {
+        :expected => 3.0,
+        :left     => 1.0,
+        :right    => 2.0,
+      },
+      :string => {
+        :expected => "ab",
+        :left     => "a",
+        :right    => "b",
+      },
+      :array => {
+        :expected => [0, 1],
+        :left     => [0],
+        :right    => [1],
+      },
+      :hash => {
+        :expected => [0, 1],
+        :left     => [0],
+        :right    => [1],
+      },
+    )
+    def test_sum(data)
+      reduced = reduce_value({ "type" => "sum" },
+                             data[:left],
+                             data[:right])
+      assert_equal(data[:expected], reduced)
+    end
+
     data(
       :int => {
         :expected => 1.5,