d2/d2graph/serde_test.go
Alexander Wang 524c089a74 oss
Co-authored-by: Anmol Sethi <hi@nhooyr.io>
2022-11-03 06:54:49 -07:00

55 lines
1.1 KiB
Go

package d2graph_test
import (
"strings"
"testing"
"github.com/stretchr/testify/assert"
"oss.terrastruct.com/d2/d2compiler"
"oss.terrastruct.com/d2/d2graph"
)
func TestSerialization(t *testing.T) {
t.Parallel()
g, err := d2compiler.Compile("", strings.NewReader("a.a.b -> a.a.c"), nil)
if err != nil {
t.Fatal(err)
}
asserts := func(g *d2graph.Graph) {
assert.Equal(t, 4, len(g.Objects))
assert.Equal(t, 1, len(g.Root.ChildrenArray))
assert.Equal(t, 1, len(g.Root.ChildrenArray[0].ChildrenArray))
assert.Equal(t, 2, len(g.Root.ChildrenArray[0].ChildrenArray[0].ChildrenArray))
assert.Equal(t,
g.Root.ChildrenArray[0],
g.Root.ChildrenArray[0].ChildrenArray[0].Parent,
)
assert.Equal(t,
g.Root,
g.Root.ChildrenArray[0].Parent,
)
assert.Equal(t, 1, len(g.Edges))
assert.Equal(t, "b", g.Edges[0].Src.ID)
assert.Equal(t, "c", g.Edges[0].Dst.ID)
}
asserts(g)
b, err := d2graph.SerializeGraph(g)
if err != nil {
t.Fatal(err)
}
var newG d2graph.Graph
err = d2graph.DeserializeGraph(b, &newG)
if err != nil {
t.Fatal(err)
}
asserts(&newG)
}