core: Reference logic implementation, and InvalidObject ObjectType

1 files changed, 57 insertions, 0 deletions

diff --git a/core/reference_test.go b/core/reference_test.go
new file mode 100644
index 0000000..05d20b4
--- /dev/null
+++ b/core/reference_test.go
@@ -0,0 +1,57 @@
+package core
+
+import . "gopkg.in/check.v1"
+
+type ReferenceSuite struct{}
+
+var _ = Suite(&ReferenceSuite{})
+
+const (
+	ExampleReferenceName ReferenceName = "refs/heads/v4"
+)
+
+func (s *ReferenceSuite) TestNewReferenceFromStrings(c *C) {
+	r := NewReferenceFromStrings("refs/heads/v4", "6ecf0ef2c2dffb796033e5a02219af86ec6584e5")
+	c.Assert(r.Type(), Equals, HashReference)
+	c.Assert(r.Name(), Equals, ExampleReferenceName)
+	c.Assert(r.Hash(), Equals, NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
+
+	r = NewReferenceFromStrings("HEAD", "ref: refs/heads/v4")
+	c.Assert(r.Type(), Equals, SymbolicReference)
+	c.Assert(r.Name(), Equals, HEAD)
+	c.Assert(r.Target(), Equals, ExampleReferenceName)
+}
+
+func (s *ReferenceSuite) TestNewSymbolicReference(c *C) {
+	r := NewSymbolicReference(HEAD, ExampleReferenceName)
+	c.Assert(r.Type(), Equals, SymbolicReference)
+	c.Assert(r.Name(), Equals, HEAD)
+	c.Assert(r.Target(), Equals, ExampleReferenceName)
+}
+
+func (s *ReferenceSuite) TestNewHashReference(c *C) {
+	r := NewHashReference(ExampleReferenceName, NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
+	c.Assert(r.Type(), Equals, HashReference)
+	c.Assert(r.Name(), Equals, ExampleReferenceName)
+	c.Assert(r.Hash(), Equals, NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
+}
+
+func (s *ReferenceSuite) TestIsBranch(c *C) {
+	r := NewHashReference(ExampleReferenceName, ZeroHash)
+	c.Assert(r.IsBranch(), Equals, true)
+}
+
+func (s *ReferenceSuite) TestIsNote(c *C) {
+	r := NewHashReference(ReferenceName("refs/notes/foo"), ZeroHash)
+	c.Assert(r.IsNote(), Equals, true)
+}
+
+func (s *ReferenceSuite) TestIsRemote(c *C) {
+	r := NewHashReference(ReferenceName("refs/remotes/origin/master"), ZeroHash)
+	c.Assert(r.IsRemote(), Equals, true)
+}
+
+func (s *ReferenceSuite) TestIsTag(c *C) {
+	r := NewHashReference(ReferenceName("refs/tags/v3.1."), ZeroHash)
+	c.Assert(r.IsTag(), Equals, true)
+}