Implement the "an" feature: Adding notes to todos

This patch introduce a new attribute of a todo item, which is
"Notes", of type []string.  The following enhancing patches will
contain the listing, removing and editing features.

1 files changed, 12 insertions, 0 deletions

diff --git a/todolist/parser_test.go b/todolist/parser_test.go
index 476edaa..9412bdf 100644
--- a/todolist/parser_test.go
+++ b/todolist/parser_test.go
@@ -74,6 +74,18 @@ func TestParseContexts(t *testing.T) {
 	}
 }
 
+func TestParseNotes(t *testing.T) {
+	parser := &Parser{}
+	todo := parser.ParseNewTodo("add search engine survey")
+
+	if parser.ParseNotes(todo, "an 1 www.google.com") != "add" {
+		t.Error("Expected Notes to be added")
+	}
+	if todo.Notes[0] != "www.google.com" {
+		t.Error("Expected note 1 to be 'www.google.com' but got", todo.Notes[0])
+	}
+}
+
 func TestDueToday(t *testing.T) {
 	assert := assert.New(t)
 	parser := &Parser{}