source: add some test cases for File

diff --git a/helpers/general.go b/helpers/general.go
index e0fe99b6fb4afcf3df313c77bede2fed6fb645aa..a0aa20c788ee83d3840fbbeb4f922334a34aa618 100644 (file)
--- a/helpers/general.go
+++ b/helpers/general.go
@@ -75,6 +75,9 @@ func GuessType(in string) string {
 // ReaderToBytes takes an io.Reader argument, reads from it
 // and returns bytes.
 func ReaderToBytes(lines io.Reader) []byte {
+       if lines == nil {
+               return []byte{}
+       }
        b := bp.GetBuffer()
        defer bp.PutBuffer(b)
 
@@ -87,6 +90,9 @@ func ReaderToBytes(lines io.Reader) []byte {
 
 // ReaderToString is the same as ReaderToBytes, but returns a string.
 func ReaderToString(lines io.Reader) string {
+       if lines == nil {
+               return ""
+       }
        b := bp.GetBuffer()
        defer bp.PutBuffer(b)
        b.ReadFrom(lines)

diff --git a/source/file_test.go b/source/file_test.go
new file mode 100644 (file)
index 0000000..6a4e456
--- /dev/null
+++ b/source/file_test.go
@@ -0,0 +1,25 @@
+package source
+
+import (
+       "github.com/spf13/hugo/helpers"
+       "github.com/stretchr/testify/assert"
+       "testing"
+)
+
+func TestFileUniqueID(t *testing.T) {
+       f1 := File{uniqueID: "123"}
+       f2 := NewFile("a")
+
+       assert.Equal(t, "123", f1.UniqueID())
+       assert.Equal(t, "0cc175b9c0f1b6a831c399e269772661", f2.UniqueID())
+}
+
+func TestFileString(t *testing.T) {
+       assert.Equal(t, "abc", NewFileWithContents("a", helpers.StringToReader("abc")).String())
+       assert.Equal(t, "", NewFile("a").String())
+}
+
+func TestFileBytes(t *testing.T) {
+       assert.Equal(t, []byte("abc"), NewFileWithContents("a", helpers.StringToReader("abc")).Bytes())
+       assert.Equal(t, []byte(""), NewFile("a").Bytes())
+}