Merge pull request #126 from davekapp/brazilian_toll_free_support

Add basic Brazilian toll-free number support

lib/phone/br/toll_free.ex

@@ -0,0 +1,12 @@
+defmodule Phone.BR.TollFree do
+  @moduledoc false
+
+  use Helper.Country
+
+  def regex, do: ~r/^(55)(800)([0-9].{6,7})$/
+  def country, do: "Brazil toll-free"
+  def a2, do: "BR"
+  def a3, do: "BRA"
+
+  matcher(:regex, ["55800"])
+end

lib/phone/countries.ex

@@ -25,6 +25,7 @@ defmodule Phone.Countries do
     Phone.BN,
     Phone.BO,
     Phone.BR,
+    Phone.BR.TollFree,
     Phone.BT,
     Phone.BW,
     Phone.BY,

test/phone/b_countries/br_test.exs

@@ -83,4 +83,26 @@ defmodule Phone.BRTest do
       end
     end)
   end)
+
+  describe "Brazilian toll-free numbers" do
+    test "it can recognize Brazilian toll-free numbers" do
+      sample_number = "+558002345678"
+      assert Phone.valid?(sample_number)
+      assert {:ok, parsed} = Phone.parse(sample_number)
+
+      assert parsed.country == Phone.BR.TollFree.country
+      assert parsed.a2 == Phone.BR.TollFree.a2
+      assert parsed.a3 == Phone.BR.TollFree.a3
+    end
+
+    test "it won't accept a Brazilian toll-free number that seems implausibly long" do
+      bad_number = "+55800234567890"
+      refute Phone.valid?(bad_number)
+      assert {:error, _} = Phone.parse(bad_number)
+
+      assert_raise ArgumentError, "Not a valid phone number.", fn ->
+        Phone.BR.TollFree.build!(bad_number)
+      end
+    end
+  end
 end