add texttest fixture for elixir

elixir/lib/texttest_fixture.ex

@@ -0,0 +1,36 @@
+defmodule GildedRose.TextTestFixture do
+
+  def run() do
+    IO.puts("OMGHAI!")
+
+    items = [
+      %Item{name: "+5 Dexterity Vest", sell_in: 10, quality: 20},
+      %Item{name: "Aged Brie", sell_in: 2, quality: 0},
+      %Item{name: "Elixir of the Mongoose", sell_in: 5, quality: 7},
+      %Item{name: "Sulfuras, Hand of Ragnaros", sell_in: 0, quality: 80},
+      %Item{name: "Sulfuras, Hand of Ragnaros", sell_in: -1, quality: 80},
+      %Item{name: "Backstage passes to a TAFKAL80ETC concert", sell_in: 15, quality: 20},
+      %Item{name: "Backstage passes to a TAFKAL80ETC concert", sell_in: 10, quality: 49},
+      %Item{name: "Backstage passes to a TAFKAL80ETC concert", sell_in: 5, quality: 49},
+      # This Conjured item does not work properly yet
+      %Item{name: "Conjured Mana Cake", sell_in: 3, quality: 6}, # <-- :O
+    ]
+
+    days =
+      if System.get_env("DEFAULT_DAYS") != nil do
+          "DEFAULT_DAYS"
+          |> System.get_env()
+          |> String.to_integer()
+        else
+          2
+        end
+
+    Enum.reduce(0..days, items, fn day, items ->
+      IO.puts "-------- day #{day} --------"
+      IO.puts "name, sellIn, quality"
+      Enum.each(items, fn item -> IO.inspect(item) end)
+      IO.puts("")
+      GildedRose.update_quality(items)
+    end)
+  end
+end