package query

import (
	"dim/types"

	"testing"
)

func TestFieldListToSelect(t *testing.T) {
	tests := []struct {
		names   types.FieldList
		mapping map[string]string
		out     string
	}{
		{types.NewFieldList("name"), map[string]string{"name": "name"}, "name as name"},
		{
			types.NewFieldList("foo", "bar", "baz"),
			map[string]string{"foo": "c.foo", "bar": "b.bar"},
			"b.bar as bar,attributes->'baz' as baz,c.foo as foo",
		},
		{
			types.NewFieldList("subnets", "vlan", "name"),
			map[string]string{"subnets": "s.subnets", "vlan": "vlan.vlan_id", "name": "p.name"},
			"p.name as name,s.subnets as subnets,vlan.vlan_id as vlan",
		},
	}

	for _, test := range tests {
		out := FieldListToSelect(test.names, test.mapping)
		if out != test.out {
			t.Errorf("expected `%s`, got `%s`", test.out, out)
		}
	}
}

func TestNameToAttrPath(t *testing.T) {
	tests := []struct {
		in  string
		out string
	}{
		{"foo", `attributes->'foo'`},
		{"foo.bar", `attributes->'foo'->'bar'`},
		{"", `attributes`},
	}

	for _, test := range tests {
		out := nameToAttrPath(test.in)
		if test.out != out {
			t.Errorf("expected `%s`, got `%s`", test.out, out)
		}
	}
}