Merge pull request #37 from antoinereyt/master

Make float sigil works with integer an zero

.travis.yml

@@ -1,5 +1,5 @@
 language: elixir
 elixir:
-  - 1.0.2
+  - 1.2.0
 sudo: false
 script: mix test

lib/sweet_xml.ex

@@ -657,6 +657,9 @@ defmodule SweetXml do
   defp to_cast(value, false), do: value
   defp to_cast(value, :string), do: to_string(value)
   defp to_cast(value, :integer), do: String.to_integer(to_string(value))
-  defp to_cast(value, :float), do: String.to_float(to_string(value))
+  defp to_cast(value, :float) do
+   {float,_} = Float.parse(to_string(value))
+   float
+  end
 
 end

test/files/float.xml

@@ -0,0 +1,17 @@
+<?xml version="1.05" encoding="UTF-8"?>
+<order>
+  <products>
+    <product id="float">
+      <name>Product float</name>
+      <price>1.4</price>
+    </product>
+    <product id="integer">
+      <name>Product integer</name>
+      <price>3</price>
+    </product>
+    <product id="zero">
+      <name>Product with 0</name>
+      <price>0</price>
+    </product>
+  </products>
+</order>

test/sweet_xml_test.exs

@@ -11,12 +11,13 @@ defmodule SweetXmlTest do
     simple_stream = File.stream!("./test/files/simple_stream.xml")
     readme = File.read!("test/files/readme.xml")
     namespaces = File.read!("test/files/namespaces.xml")
+    float_sigil = File.read!("test/files/float.xml")
     {:ok, [simple: simple,
            complex: complex,
            readme: readme,
            complex_stream: complex_stream,
            simple_stream: simple_stream,
-           namespaces: namespaces]}
+           namespaces: namespaces, float_sigil: float_sigil]}
   end
 
   test "parse", %{simple: doc} do
@@ -468,4 +469,10 @@ defmodule SweetXmlTest do
 
     assert result == "courier"
   end
+
+  test "float sigil with integer and zero", %{float_sigil: doc} do
+    assert doc |> xpath(~x"//product[@id=\"float\"]/price/text()"f)   == 1.4
+    assert doc |> xpath(~x"//product[@id=\"integer\"]/price/text()"f) == 3.0
+    assert doc |> xpath(~x"//product[@id=\"zero\"]/price/text()"f)    == 0.0
+  end
 end