Stylistic changes

Author: alexgaribay

lib/sendgrid/email.ex

@@ -141,11 +141,14 @@ defmodule SendGrid.Email do
   Adds an attachment to the email. An attachment is a map with the keys:
     * content
     * type
-    filename
+    * filename
     * disposition
     * content_id
-  """
 
+      attachment = %{content: "base64string", filename: "image.jpg"}
+      Email.add_attachment(%Email{}, attachemnt}
+
+  """
   @spec add_attachment(Email.t, Attachment.t) :: Email.t
   def add_attachment(%Email{} = email, attachment) do
     attachments = case email.attachments do

test/email_test.exs

@@ -166,21 +166,25 @@ defmodule SendGrid.Email.Test do
     |> SendGrid.Mailer.send()
   end
 
-  test "add_attachment" do
-    attachment = %{content: "somebase64encodedstring", type: "image/jpeg", filename: "testing.jpg"}
-    email = Email.build()
-      |> Email.add_attachment(attachment)
-    assert email.attachments == [attachment]
-    assert Enum.count(email.attachments) == 1
-  end
-
-  test "add_attachment multiple" do
-    attachment1 = %{content: "somebase64encodedstring", type: "image/jpeg", filename: "testing.jpg"}
-    attachment2 = %{content: "somebase64encodedstring2", type: "image/png", filename: "testing2.jpg"}
-    email = Email.build()
-      |> Email.add_attachment(attachment1)
-      |> Email.add_attachment(attachment2)
-    assert email.attachments == [attachment1, attachment2]
-    assert Enum.count(email.attachments) == 2
+  describe "add_attachemnt/2" do
+    test "adds a single attachemnt" do
+      attachment = %{content: "somebase64encodedstring", type: "image/jpeg", filename: "testing.jpg"}
+      email =
+        Email.build()
+        |> Email.add_attachment(attachment)
+      assert email.attachments == [attachment]
+      assert Enum.count(email.attachments) == 1
+    end
+
+    test "appends to attachment list" do
+      attachment1 = %{content: "somebase64encodedstring", type: "image/jpeg", filename: "testing.jpg"}
+      attachment2 = %{content: "somebase64encodedstring2", type: "image/png", filename: "testing2.jpg"}
+      email =
+        Email.build()
+        |> Email.add_attachment(attachment1)
+        |> Email.add_attachment(attachment2)
+      assert email.attachments == [attachment1, attachment2]
+      assert Enum.count(email.attachments) == 2
+    end
   end
 end