EvoBGP/internal/pipeline/parse_test.go

package pipeline

import (
	"strings"
	"testing"
)

func TestExtractCIDRs_JSONNested(t *testing.T) {
	body := `{"a":{"b":{"c":"192.0.2.0/24"}}}`
	pfx, err := ExtractCIDRs(body, "json", "a.b.c")
	if err != nil {
		t.Fatal(err)
	}
	if len(pfx) != 1 || pfx[0].String() != "192.0.2.0/24" {
		t.Fatalf("got %#v", pfx)
	}
}

func TestExtractCIDRs_JSONDepthLimit(t *testing.T) {
	var b strings.Builder
	b.WriteString(`{"x":`)
	for i := 0; i < maxJSONWalkDepth+4; i++ {
		b.WriteString(`{"k":`)
	}
	b.WriteString(`"192.0.2.1"`)
	for i := 0; i < maxJSONWalkDepth+4; i++ {
		b.WriteByte('}')
	}
	b.WriteByte('}')
	_, err := ExtractCIDRs(b.String(), "json", "")
	if err == nil {
		t.Fatal("expected depth error")
	}
}

func TestExtractCIDRs_JSONPathBreadth(t *testing.T) {
	var b strings.Builder
	b.WriteString(`{"items":{"x":[`)
	for i := 0; i < maxJSONPathBreadth+1; i++ {
		if i > 0 {
			b.WriteByte(',')
		}
		b.WriteString(`"192.0.2.0/24"`)
	}
	b.WriteString(`]}}`)
	_, err := ExtractCIDRs(b.String(), "json", "items.x[]")
	if err == nil {
		t.Fatal("expected breadth error")
	}
}