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package vcfgo
import (
"testing"
)
var leftaligntests = []struct {
pos int
ref []byte
alt []byte
seq []byte
outPos int
outRef string
outAlt string
}{
{123, []byte{'C', 'A', 'C'}, []byte{'C'}, []byte("GGGCACACAC"), 118, "GCA", "G"},
{123, []byte{'C', 'A', 'C'}, []byte{'C'}, []byte("CACACAC"), 119, "CAC", "C"},
{123, []byte{'C', 'C', 'A'}, []byte{'C', 'A', 'A'}, []byte("ACCCCCCA"), 123, "CC", "CA"},
{123, []byte{'C'}, []byte{'A'}, []byte("ACCCCCC"), 123, "C", "A"},
}
var lefttrimtests = []struct {
pos int
ref []byte
alt []byte
outPos int
outRef string
outAlt string
}{
{123, []byte{'C', 'C'}, []byte{'C', 'A'}, 124, "C", "A"},
{123, []byte{'C', 'C'}, []byte{'C', 'C', 'T'}, 124, "C", "CT"},
{123, []byte{'C', 'C', 'C'}, []byte{'C', 'C', 'C', 'T'}, 125, "C", "CT"},
{123, []byte{'C'}, []byte{'T'}, 123, "C", "T"},
}
func TestLeftAlign(t *testing.T) {
for _, v := range leftaligntests {
p, r, a, err := leftalign(v.pos, v.ref, v.alt, v.seq)
if p != v.outPos {
t.Errorf("position should be %d instead of %d\n", v.outPos, p)
}
if string(r) != v.outRef {
t.Errorf("ref should be %s instead of %s\n", v.outRef, string(r))
}
if string(a) != v.outAlt {
t.Errorf("alt should be '%s' instead of %s", v.outAlt, a)
}
if err != nil {
t.Error(err)
}
}
}
func TestLeftTrim(t *testing.T) {
for _, v := range lefttrimtests {
p, r, a, err := lefttrim(v.pos, v.ref, v.alt)
if p != v.outPos {
t.Errorf("position should be %d instead of %d\n", v.outPos, p)
}
if string(r) != v.outRef {
t.Errorf("ref should be %s instead of %s\n", v.outRef, string(r))
}
if string(a) != v.outAlt {
t.Errorf("alt should be '%s' instead of %s", v.outAlt, a)
}
if err != nil {
t.Error(err)
}
}
}
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