delete old noder, create a new one in utils (#241)

1 files changed, 67 insertions, 0 deletions

diff --git a/utils/merkletrie/internal/fsnoder/file_test.go b/utils/merkletrie/internal/fsnoder/file_test.go
new file mode 100644
index 0000000..730ae7c
--- /dev/null
+++ b/utils/merkletrie/internal/fsnoder/file_test.go
@@ -0,0 +1,67 @@
+package fsnoder
+
+import (
+	"testing"
+
+	"gopkg.in/src-d/go-git.v4/utils/merkletrie/noder"
+
+	. "gopkg.in/check.v1"
+)
+
+func Test(t *testing.T) { TestingT(t) }
+
+type FileSuite struct{}
+
+var _ = Suite(&FileSuite{})
+
+var (
+	HashOfEmptyFile = []byte{0xcb, 0xf2, 0x9c, 0xe4, 0x84, 0x22, 0x23, 0x25} // fnv64 basis offset
+	HashOfContents  = []byte{0xee, 0x7e, 0xf3, 0xd0, 0xc2, 0xb5, 0xef, 0x83} // hash of "contents"
+)
+
+func (s *FileSuite) TestNewFileEmpty(c *C) {
+	f, err := newFile("name", "")
+	c.Assert(err, IsNil)
+
+	c.Assert(f.Hash(), DeepEquals, HashOfEmptyFile)
+	c.Assert(f.Name(), Equals, "name")
+	c.Assert(f.IsDir(), Equals, false)
+	assertChildren(c, f, noder.NoChildren)
+	c.Assert(f.String(), Equals, "name<>")
+}
+
+func (s *FileSuite) TestNewFileWithContents(c *C) {
+	f, err := newFile("name", "contents")
+	c.Assert(err, IsNil)
+
+	c.Assert(f.Hash(), DeepEquals, HashOfContents)
+	c.Assert(f.Name(), Equals, "name")
+	c.Assert(f.IsDir(), Equals, false)
+	assertChildren(c, f, noder.NoChildren)
+	c.Assert(f.String(), Equals, "name<contents>")
+}
+
+func (s *FileSuite) TestNewfileErrorEmptyName(c *C) {
+	_, err := newFile("", "contents")
+	c.Assert(err, Not(IsNil))
+}
+
+func (s *FileSuite) TestDifferentContentsHaveDifferentHash(c *C) {
+	f1, err := newFile("name", "contents")
+	c.Assert(err, IsNil)
+
+	f2, err := newFile("name", "foo")
+	c.Assert(err, IsNil)
+
+	c.Assert(f1.Hash(), Not(DeepEquals), f2.Hash())
+}
+
+func (s *FileSuite) TestSameContentsHaveSameHash(c *C) {
+	f1, err := newFile("name1", "contents")
+	c.Assert(err, IsNil)
+
+	f2, err := newFile("name2", "contents")
+	c.Assert(err, IsNil)
+
+	c.Assert(f1.Hash(), DeepEquals, f2.Hash())
+}