Adding new strings.Sort function

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

2 files changed, 25 insertions, 1 deletions

diff --git a/strings/strings.go b/strings/strings.go
index 3b90c83e..6d89def7 100644
--- a/strings/strings.go
+++ b/strings/strings.go
@@ -1,6 +1,9 @@
 package strings
 
-import "strings"
+import (
+	"sort"
+	"strings"
+)
 
 // Indent - indent each line of the string with the given indent string
 func Indent(width int, indent, s string) string {
@@ -33,3 +36,10 @@ func Trunc(length int, s string) string {
 	}
 	return s[0:length]
 }
+
+// Sort - return an alphanumerically-sorted list of strings
+func Sort(list []string) []string {
+	sorted := sort.StringSlice(list)
+	sorted.Sort()
+	return sorted
+}
diff --git a/strings/strings_test.go b/strings/strings_test.go
index ad32e3f6..f2afb2f5 100644
--- a/strings/strings_test.go
+++ b/strings/strings_test.go
@@ -25,3 +25,17 @@ func TestTrunc(t *testing.T) {
 	assert.Equal(t, "hello, world", Trunc(42, "hello, world"))
 	assert.Equal(t, "hello, world", Trunc(-1, "hello, world"))
 }
+
+func TestSort(t *testing.T) {
+	in := []string{}
+	expected := []string{}
+	assert.EqualValues(t, expected, Sort(in))
+
+	in = []string{"c", "a", "b"}
+	expected = []string{"a", "b", "c"}
+	assert.EqualValues(t, expected, Sort(in))
+
+	in = []string{"42", "45", "18"}
+	expected = []string{"18", "42", "45"}
+	assert.EqualValues(t, expected, Sort(in))
+}