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path: root/plumbing/storer/reference_test.go
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package storer

import (
	"errors"
	"io"

	. "gopkg.in/check.v1"
	"srcd.works/go-git.v4/plumbing"
)

type ReferenceSuite struct{}

var _ = Suite(&ReferenceSuite{})

func (s *ReferenceSuite) TestReferenceSliceIterNext(c *C) {
	slice := []*plumbing.Reference{
		plumbing.NewReferenceFromStrings("foo", "foo"),
		plumbing.NewReferenceFromStrings("bar", "bar"),
	}

	i := NewReferenceSliceIter(slice)
	foo, err := i.Next()
	c.Assert(err, IsNil)
	c.Assert(foo == slice[0], Equals, true)

	bar, err := i.Next()
	c.Assert(err, IsNil)
	c.Assert(bar == slice[1], Equals, true)

	empty, err := i.Next()
	c.Assert(err, Equals, io.EOF)
	c.Assert(empty, IsNil)
}

func (s *ReferenceSuite) TestReferenceSliceIterForEach(c *C) {
	slice := []*plumbing.Reference{
		plumbing.NewReferenceFromStrings("foo", "foo"),
		plumbing.NewReferenceFromStrings("bar", "bar"),
	}

	i := NewReferenceSliceIter(slice)
	var count int
	i.ForEach(func(r *plumbing.Reference) error {
		c.Assert(r == slice[count], Equals, true)
		count++
		return nil
	})

	c.Assert(count, Equals, 2)
}

func (s *ReferenceSuite) TestReferenceSliceIterForEachError(c *C) {
	slice := []*plumbing.Reference{
		plumbing.NewReferenceFromStrings("foo", "foo"),
		plumbing.NewReferenceFromStrings("bar", "bar"),
	}

	i := NewReferenceSliceIter(slice)
	var count int
	exampleErr := errors.New("SOME ERROR")
	err := i.ForEach(func(r *plumbing.Reference) error {
		c.Assert(r == slice[count], Equals, true)
		count++
		if count == 2 {
			return exampleErr
		}

		return nil
	})

	c.Assert(err, Equals, exampleErr)
	c.Assert(count, Equals, 2)
}

func (s *ReferenceSuite) TestReferenceSliceIterForEachStop(c *C) {
	slice := []*plumbing.Reference{
		plumbing.NewReferenceFromStrings("foo", "foo"),
		plumbing.NewReferenceFromStrings("bar", "bar"),
	}

	i := NewReferenceSliceIter(slice)

	var count int
	i.ForEach(func(r *plumbing.Reference) error {
		c.Assert(r == slice[count], Equals, true)
		count++
		return ErrStop
	})

	c.Assert(count, Equals, 1)
}