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Copyright 2017 Google LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.
package spanner
import (
proto3 ""
sppb ""
func TestConvertParams(t *testing.T) {
st := Statement{
SQL: "SELECT id from t_foo WHERE col = @var",
Params: map[string]interface{}{"var": nil},
var (
t1, _ = time.Parse(time.RFC3339Nano, "2016-11-15T15:04:05.999999999Z")
// Boundaries
t2, _ = time.Parse(time.RFC3339Nano, "0001-01-01T00:00:00.000000000Z")
t3, _ = time.Parse(time.RFC3339Nano, "9999-12-31T23:59:59.999999999Z")
d1, _ = civil.ParseDate("2016-11-15")
// Boundaries
d2, _ = civil.ParseDate("0001-01-01")
d3, _ = civil.ParseDate("9999-12-31")
type staticStruct struct {
Field int `spanner:"field"`
var (
s1 = staticStruct{10}
s2 = staticStruct{20}
for _, test := range []struct {
val interface{}
wantField *proto3.Value
wantType *sppb.Type
// bool
{true, boolProto(true), boolType()},
{NullBool{true, true}, boolProto(true), boolType()},
{NullBool{true, false}, nullProto(), boolType()},
{[]bool(nil), nullProto(), listType(boolType())},
{[]bool{}, listProto(), listType(boolType())},
{[]bool{true, false}, listProto(boolProto(true), boolProto(false)), listType(boolType())},
{[]NullBool(nil), nullProto(), listType(boolType())},
{[]NullBool{}, listProto(), listType(boolType())},
{[]NullBool{{true, true}, {}}, listProto(boolProto(true), nullProto()), listType(boolType())},
// int
{int(1), intProto(1), intType()},
{[]int(nil), nullProto(), listType(intType())},
{[]int{}, listProto(), listType(intType())},
{[]int{1, 2}, listProto(intProto(1), intProto(2)), listType(intType())},
// int64
{int64(1), intProto(1), intType()},
{NullInt64{5, true}, intProto(5), intType()},
{NullInt64{5, false}, nullProto(), intType()},
{[]int64(nil), nullProto(), listType(intType())},
{[]int64{}, listProto(), listType(intType())},
{[]int64{1, 2}, listProto(intProto(1), intProto(2)), listType(intType())},
{[]NullInt64(nil), nullProto(), listType(intType())},
{[]NullInt64{}, listProto(), listType(intType())},
{[]NullInt64{{1, true}, {}}, listProto(intProto(1), nullProto()), listType(intType())},
// float64
{0.0, floatProto(0.0), floatType()},
{math.Inf(1), floatProto(math.Inf(1)), floatType()},
{math.Inf(-1), floatProto(math.Inf(-1)), floatType()},
{math.NaN(), floatProto(math.NaN()), floatType()},
{NullFloat64{2.71, true}, floatProto(2.71), floatType()},
{NullFloat64{1.41, false}, nullProto(), floatType()},
{[]float64(nil), nullProto(), listType(floatType())},
{[]float64{}, listProto(), listType(floatType())},
{[]float64{2.72, math.Inf(1)}, listProto(floatProto(2.72), floatProto(math.Inf(1))), listType(floatType())},
{[]NullFloat64(nil), nullProto(), listType(floatType())},
{[]NullFloat64{}, listProto(), listType(floatType())},
{[]NullFloat64{{2.72, true}, {}}, listProto(floatProto(2.72), nullProto()), listType(floatType())},
// string
{"", stringProto(""), stringType()},
{"foo", stringProto("foo"), stringType()},
{NullString{"bar", true}, stringProto("bar"), stringType()},
{NullString{"bar", false}, nullProto(), stringType()},
{[]string(nil), nullProto(), listType(stringType())},
{[]string{}, listProto(), listType(stringType())},
{[]string{"foo", "bar"}, listProto(stringProto("foo"), stringProto("bar")), listType(stringType())},
{[]NullString(nil), nullProto(), listType(stringType())},
{[]NullString{}, listProto(), listType(stringType())},
{[]NullString{{"foo", true}, {}}, listProto(stringProto("foo"), nullProto()), listType(stringType())},
// bytes
{[]byte{}, bytesProto([]byte{}), bytesType()},
{[]byte{1, 2, 3}, bytesProto([]byte{1, 2, 3}), bytesType()},
{[]byte(nil), nullProto(), bytesType()},
{[][]byte(nil), nullProto(), listType(bytesType())},
{[][]byte{}, listProto(), listType(bytesType())},
{[][]byte{{1}, []byte(nil)}, listProto(bytesProto([]byte{1}), nullProto()), listType(bytesType())},
// date
{d1, dateProto(d1), dateType()},
{NullDate{civil.Date{}, false}, nullProto(), dateType()},
{[]civil.Date(nil), nullProto(), listType(dateType())},
{[]civil.Date{}, listProto(), listType(dateType())},
{[]civil.Date{d1, d2, d3}, listProto(dateProto(d1), dateProto(d2), dateProto(d3)), listType(dateType())},
{[]NullDate{{d2, true}, {}}, listProto(dateProto(d2), nullProto()), listType(dateType())},
// timestamp
{t1, timeProto(t1), timeType()},
{NullTime{}, nullProto(), timeType()},
{[]time.Time(nil), nullProto(), listType(timeType())},
{[]time.Time{}, listProto(), listType(timeType())},
{[]time.Time{t1, t2, t3}, listProto(timeProto(t1), timeProto(t2), timeProto(t3)), listType(timeType())},
{[]NullTime{{t2, true}, {}}, listProto(timeProto(t2), nullProto()), listType(timeType())},
// Struct
structType(mkField("field", intType())),
(*struct {
F1 civil.Date `spanner:""`
F2 bool
mkField("", dateType()),
mkField("F2", boolType())),
// Array-of-struct
[]staticStruct{s1, s2},
listProto(listProto(intProto(10)), listProto(intProto(20))),
listType(structType(mkField("field", intType()))),
} {
st.Params["var"] = test.val
gotParams, gotParamTypes, gotErr := st.convertParams()
if gotErr != nil {
gotParamField := gotParams.Fields["var"]
if !proto.Equal(gotParamField, test.wantField) {
// handle NaN
if test.wantType.Code == floatType().Code && proto.MarshalTextString(gotParamField) == proto.MarshalTextString(test.wantField) {
t.Errorf("%#v: got %v, want %v\n", test.val, gotParamField, test.wantField)
gotParamType := gotParamTypes["var"]
if !proto.Equal(gotParamType, test.wantType) {
t.Errorf("%#v: got %v, want %v\n", test.val, gotParamType, test.wantField)
// Verify type error reporting.
for _, test := range []struct {
val interface{}
wantErr error
errBindParam("var", nil, errNilParam),
} {
st.Params["var"] = test.val
_, _, gotErr := st.convertParams()
if !testEqual(gotErr, test.wantErr) {
t.Errorf("value %#v:\ngot: %v\nwant: %v", test.val, gotErr, test.wantErr)
func TestNewStatement(t *testing.T) {
s := NewStatement("query")
if got, want := s.SQL, "query"; got != want {
t.Errorf("got %q, want %q", got, want)