package merkletrie_test
import (
"github.com/go-git/go-git/v5/utils/merkletrie"
"github.com/go-git/go-git/v5/utils/merkletrie/internal/fsnoder"
"github.com/go-git/go-git/v5/utils/merkletrie/noder"
. "gopkg.in/check.v1"
)
type ChangeSuite struct{}
var _ = Suite(&ChangeSuite{})
func (s *ChangeSuite) TestActionString(c *C) {
action := merkletrie.Insert
c.Assert(action.String(), Equals, "Insert")
action = merkletrie.Delete
c.Assert(action.String(), Equals, "Delete")
action = merkletrie.Modify
c.Assert(action.String(), Equals, "Modify")
}
func (s *ChangeSuite) TestUnsupportedAction(c *C) {
a := merkletrie.Action(42)
c.Assert(a.String, PanicMatches, "unsupported action.*")
}
func (s ChangeSuite) TestEmptyChanges(c *C) {
ret := merkletrie.NewChanges()
p := noder.Path{}
err := ret.AddRecursiveInsert(p)
c.Assert(err, Equals, merkletrie.ErrEmptyFileName)
err = ret.AddRecursiveDelete(p)
c.Assert(err, Equals, merkletrie.ErrEmptyFileName)
}
func (s ChangeSuite) TestNewInsert(c *C) {
tree, err := fsnoder.New("(a(b(z<>)))")
c.Assert(err, IsNil)
path := find(c, tree, "z")
change := merkletrie.NewInsert(path)
c.Assert(change.String(), Equals, "<Insert a/b/z>")
shortPath := noder.Path([]noder.Noder{path.Last()})
change = merkletrie.NewInsert(shortPath)
c.Assert(change.String(), Equals, "<Insert z>")
}
func (s ChangeSuite) TestNewDelete(c *C) {
tree, err := fsnoder.New("(a(b(z<>)))")
c.Assert(err, IsNil)
path := find(c, tree, "z")
change := merkletrie.NewDelete(path)
c.Assert(change.String(), Equals, "<Delete a/b/z>")
shortPath := noder.Path([]noder.Noder{path.Last()})
change = merkletrie.NewDelete(shortPath)
c.Assert(change.String(), Equals, "<Delete z>")
}
func (s ChangeSuite) TestNewModify(c *C) {
tree1, err := fsnoder.New("(a(b(z<>)))")
c.Assert(err, IsNil)
path1 := find(c, tree1, "z")
tree2, err := fsnoder.New("(a(b(z<1>)))")
c.Assert(err, IsNil)
path2 := find(c, tree2, "z")
change := merkletrie.NewModify(path1, path2)
c.Assert(change.String(), Equals, "<Modify a/b/z>")
shortPath1 := noder.Path([]noder.Noder{path1.Last()})
shortPath2 := noder.Path([]noder.Noder{path2.Last()})
change = merkletrie.NewModify(shortPath1, shortPath2)
c.Assert(change.String(), Equals, "<Modify z>")
}
func (s ChangeSuite) TestMalformedChange(c *C) {
change := merkletrie.Change{}
c.Assert(change.String, PanicMatches, "malformed change.*")
}
