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statement_test.go
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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
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package spanner
import (
"bytes"
"math"
"testing"
"time"
"cloud.google.com/go/civil"
sppb "cloud.google.com/go/spanner/apiv1/spannerpb"
"google.golang.org/protobuf/encoding/prototext"
"google.golang.org/protobuf/proto"
proto3 "google.golang.org/protobuf/types/known/structpb"
)
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"`
}
type CustomInt int64
type staticStructWithCustomType struct {
Field CustomInt `spanner:"field"`
}
var (
s1 = staticStruct{10}
s2 = staticStruct{20}
s3 = staticStructWithCustomType{30}
)
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())},
// float32
{float32(0.0), float32Proto(0.0), float32Type()},
{float32(math.Inf(1)), float32Proto(float32(math.Inf(1))), float32Type()},
{float32(math.Inf(-1)), float32Proto(float32(math.Inf(-1))), float32Type()},
{float32(math.NaN()), float32Proto(float32(math.NaN())), float32Type()},
{NullFloat32{3.14, true}, float32Proto(3.14), float32Type()},
{NullFloat32{-99.99, false}, nullProto(), float32Type()},
{[]float32(nil), nullProto(), listType(float32Type())},
{[]float32{}, listProto(), listType(float32Type())},
{[]float32{3.14, float32(math.Inf(1))}, listProto(float32Proto(3.14), float32Proto(float32(math.Inf(1)))), listType(float32Type())},
{[]NullFloat32(nil), nullProto(), listType(float32Type())},
{[]NullFloat32{}, listProto(), listType(float32Type())},
{[]NullFloat32{{3.14, true}, {}}, listProto(float32Proto(3.14), nullProto()), listType(float32Type())},
// 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
{
s1,
listProto(intProto(10)),
structType(mkField("field", intType())),
},
{
s3,
listProto(intProto(30)),
structType(mkField("field", intType())),
},
{
(*struct {
F1 civil.Date `spanner:""`
F2 bool
})(nil),
nullProto(),
structType(
mkField("", dateType()),
mkField("F2", boolType())),
},
// Array-of-struct
{
[]staticStruct{s1, s2},
listProto(listProto(intProto(10)), listProto(intProto(20))),
listType(structType(mkField("field", intType()))),
},
// Untyped null
{
nil,
nullProto(),
nil,
},
} {
st.Params["var"] = test.val
gotParams, gotParamTypes, gotErr := st.convertParams()
if gotErr != nil {
t.Error(gotErr)
continue
}
gotParamField := gotParams.Fields["var"]
if !proto.Equal(gotParamField, test.wantField) {
// handle NaN
gotParamFieldText, err := prototext.Marshal(gotParamField)
if err != nil {
t.Fatal(err)
}
wantParamFieldText, err := prototext.Marshal(test.wantField)
if err != nil {
t.Fatal(err)
}
if test.wantType.Code == floatType().Code && bytes.Equal(gotParamFieldText, wantParamFieldText) {
continue
}
if test.wantType.Code == float32Type().Code && bytes.Equal(gotParamFieldText, wantParamFieldText) {
continue
}
t.Errorf("%#v:\n got: %v\nwant: %v\n", test.val, gotParamField, test.wantField)
}
gotParamType := gotParamTypes["var"]
if !proto.Equal(gotParamType, test.wantType) {
t.Errorf("%#v:\n got: %v\nwant: %v\n", test.val, gotParamType, test.wantField)
}
}
}
func TestNewStatement(t *testing.T) {
s := NewStatement("query")
if got, want := s.SQL, "query"; got != want {
t.Errorf("got %q, want %q", got, want)
}
}