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restic/vendor/cloud.google.com/go/bigquery/params_test.go
2018-03-30 11:41:12 +02:00

362 lines
9.2 KiB
Go

// Copyright 2016 Google Inc. All Rights Reserved.
//
// 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 bigquery
import (
"errors"
"math"
"reflect"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"cloud.google.com/go/civil"
"cloud.google.com/go/internal/testutil"
"golang.org/x/net/context"
bq "google.golang.org/api/bigquery/v2"
)
var scalarTests = []struct {
val interface{} // The Go value
wantVal string // paramValue's desired output
wantType *bq.QueryParameterType // paramType's desired output
}{
{int64(0), "0", int64ParamType},
{3.14, "3.14", float64ParamType},
{3.14159e-87, "3.14159e-87", float64ParamType},
{true, "true", boolParamType},
{"string", "string", stringParamType},
{"\u65e5\u672c\u8a9e\n", "\u65e5\u672c\u8a9e\n", stringParamType},
{math.NaN(), "NaN", float64ParamType},
{[]byte("foo"), "Zm9v", bytesParamType}, // base64 encoding of "foo"
{time.Date(2016, 3, 20, 4, 22, 9, 5000, time.FixedZone("neg1-2", -3720)),
"2016-03-20 04:22:09.000005-01:02",
timestampParamType},
{civil.Date{Year: 2016, Month: 3, Day: 20}, "2016-03-20", dateParamType},
{civil.Time{Hour: 4, Minute: 5, Second: 6, Nanosecond: 789000000}, "04:05:06.789000", timeParamType},
{civil.DateTime{Date: civil.Date{Year: 2016, Month: 3, Day: 20}, Time: civil.Time{Hour: 4, Minute: 5, Second: 6, Nanosecond: 789000000}},
"2016-03-20 04:05:06.789000",
dateTimeParamType},
}
type (
S1 struct {
A int
B *S2
C bool
}
S2 struct {
D string
e int
}
)
var (
s1 = S1{
A: 1,
B: &S2{D: "s"},
C: true,
}
s1ParamType = &bq.QueryParameterType{
Type: "STRUCT",
StructTypes: []*bq.QueryParameterTypeStructTypes{
{Name: "A", Type: int64ParamType},
{Name: "B", Type: &bq.QueryParameterType{
Type: "STRUCT",
StructTypes: []*bq.QueryParameterTypeStructTypes{
{Name: "D", Type: stringParamType},
},
}},
{Name: "C", Type: boolParamType},
},
}
s1ParamValue = bq.QueryParameterValue{
StructValues: map[string]bq.QueryParameterValue{
"A": sval("1"),
"B": bq.QueryParameterValue{
StructValues: map[string]bq.QueryParameterValue{
"D": sval("s"),
},
},
"C": sval("true"),
},
}
s1ParamReturnValue = map[string]interface{}{
"A": int64(1),
"B": map[string]interface{}{"D": "s"},
"C": true,
}
)
func sval(s string) bq.QueryParameterValue {
return bq.QueryParameterValue{Value: s}
}
func TestParamValueScalar(t *testing.T) {
for _, test := range scalarTests {
got, err := paramValue(reflect.ValueOf(test.val))
if err != nil {
t.Errorf("%v: got %v, want nil", test.val, err)
continue
}
want := sval(test.wantVal)
if !testutil.Equal(got, want) {
t.Errorf("%v:\ngot %+v\nwant %+v", test.val, got, want)
}
}
}
func TestParamValueArray(t *testing.T) {
qpv := bq.QueryParameterValue{ArrayValues: []*bq.QueryParameterValue{
{Value: "1"},
{Value: "2"},
},
}
for _, test := range []struct {
val interface{}
want bq.QueryParameterValue
}{
{[]int(nil), bq.QueryParameterValue{}},
{[]int{}, bq.QueryParameterValue{}},
{[]int{1, 2}, qpv},
{[2]int{1, 2}, qpv},
} {
got, err := paramValue(reflect.ValueOf(test.val))
if err != nil {
t.Fatal(err)
}
if !testutil.Equal(got, test.want) {
t.Errorf("%#v:\ngot %+v\nwant %+v", test.val, got, test.want)
}
}
}
func TestParamValueStruct(t *testing.T) {
got, err := paramValue(reflect.ValueOf(s1))
if err != nil {
t.Fatal(err)
}
if !testutil.Equal(got, s1ParamValue) {
t.Errorf("got %+v\nwant %+v", got, s1ParamValue)
}
}
func TestParamValueErrors(t *testing.T) {
// paramValue lets a few invalid types through, but paramType catches them.
// Since we never call one without the other that's fine.
for _, val := range []interface{}{nil, new([]int)} {
_, err := paramValue(reflect.ValueOf(val))
if err == nil {
t.Errorf("%v (%T): got nil, want error", val, val)
}
}
}
func TestParamType(t *testing.T) {
for _, test := range scalarTests {
got, err := paramType(reflect.TypeOf(test.val))
if err != nil {
t.Fatal(err)
}
if !testutil.Equal(got, test.wantType) {
t.Errorf("%v (%T): got %v, want %v", test.val, test.val, got, test.wantType)
}
}
for _, test := range []struct {
val interface{}
want *bq.QueryParameterType
}{
{uint32(32767), int64ParamType},
{[]byte("foo"), bytesParamType},
{[]int{}, &bq.QueryParameterType{Type: "ARRAY", ArrayType: int64ParamType}},
{[3]bool{}, &bq.QueryParameterType{Type: "ARRAY", ArrayType: boolParamType}},
{S1{}, s1ParamType},
} {
got, err := paramType(reflect.TypeOf(test.val))
if err != nil {
t.Fatal(err)
}
if !testutil.Equal(got, test.want) {
t.Errorf("%v (%T): got %v, want %v", test.val, test.val, got, test.want)
}
}
}
func TestParamTypeErrors(t *testing.T) {
for _, val := range []interface{}{
nil, uint(0), new([]int), make(chan int),
} {
_, err := paramType(reflect.TypeOf(val))
if err == nil {
t.Errorf("%v (%T): got nil, want error", val, val)
}
}
}
func TestConvertParamValue(t *testing.T) {
// Scalars.
for _, test := range scalarTests {
pval, err := paramValue(reflect.ValueOf(test.val))
if err != nil {
t.Fatal(err)
}
ptype, err := paramType(reflect.TypeOf(test.val))
if err != nil {
t.Fatal(err)
}
got, err := convertParamValue(&pval, ptype)
if err != nil {
t.Fatalf("convertParamValue(%+v, %+v): %v", pval, ptype, err)
}
if !testutil.Equal(got, test.val) {
t.Errorf("%#v: got %#v", test.val, got)
}
}
// Arrays.
for _, test := range []struct {
pval *bq.QueryParameterValue
want []interface{}
}{
{
&bq.QueryParameterValue{},
nil,
},
{
&bq.QueryParameterValue{
ArrayValues: []*bq.QueryParameterValue{{Value: "1"}, {Value: "2"}},
},
[]interface{}{int64(1), int64(2)},
},
} {
ptype := &bq.QueryParameterType{Type: "ARRAY", ArrayType: int64ParamType}
got, err := convertParamValue(test.pval, ptype)
if err != nil {
t.Fatalf("%+v: %v", test.pval, err)
}
if !testutil.Equal(got, test.want) {
t.Errorf("%+v: got %+v, want %+v", test.pval, got, test.want)
}
}
// Structs.
got, err := convertParamValue(&s1ParamValue, s1ParamType)
if err != nil {
t.Fatal(err)
}
if !testutil.Equal(got, s1ParamReturnValue) {
t.Errorf("got %+v, want %+v", got, s1ParamReturnValue)
}
}
func TestIntegration_ScalarParam(t *testing.T) {
roundToMicros := cmp.Transformer("RoundToMicros",
func(t time.Time) time.Time { return t.Round(time.Microsecond) })
c := getClient(t)
for _, test := range scalarTests {
gotData, gotParam, err := paramRoundTrip(c, test.val)
if err != nil {
t.Fatal(err)
}
if !testutil.Equal(gotData, test.val, roundToMicros) {
t.Errorf("\ngot %#v (%T)\nwant %#v (%T)", gotData, gotData, test.val, test.val)
}
if !testutil.Equal(gotParam, test.val, roundToMicros) {
t.Errorf("\ngot %#v (%T)\nwant %#v (%T)", gotParam, gotParam, test.val, test.val)
}
}
}
func TestIntegration_OtherParam(t *testing.T) {
c := getClient(t)
for _, test := range []struct {
val interface{}
wantData interface{}
wantParam interface{}
}{
{[]int(nil), []Value(nil), []interface{}(nil)},
{[]int{}, []Value(nil), []interface{}(nil)},
{
[]int{1, 2},
[]Value{int64(1), int64(2)},
[]interface{}{int64(1), int64(2)},
},
{
[3]int{1, 2, 3},
[]Value{int64(1), int64(2), int64(3)},
[]interface{}{int64(1), int64(2), int64(3)},
},
{
S1{},
[]Value{int64(0), nil, false},
map[string]interface{}{
"A": int64(0),
"B": nil,
"C": false,
},
},
{
s1,
[]Value{int64(1), []Value{"s"}, true},
s1ParamReturnValue,
},
} {
gotData, gotParam, err := paramRoundTrip(c, test.val)
if err != nil {
t.Fatal(err)
}
if !testutil.Equal(gotData, test.wantData) {
t.Errorf("%#v:\ngot %#v (%T)\nwant %#v (%T)",
test.val, gotData, gotData, test.wantData, test.wantData)
}
if !testutil.Equal(gotParam, test.wantParam) {
t.Errorf("%#v:\ngot %#v (%T)\nwant %#v (%T)",
test.val, gotParam, gotParam, test.wantParam, test.wantParam)
}
}
}
// paramRoundTrip passes x as a query parameter to BigQuery. It returns
// the resulting data value from running the query and the parameter value from
// the returned job configuration.
func paramRoundTrip(c *Client, x interface{}) (data Value, param interface{}, err error) {
ctx := context.Background()
q := c.Query("select ?")
q.Parameters = []QueryParameter{{Value: x}}
job, err := q.Run(ctx)
if err != nil {
return nil, nil, err
}
it, err := job.Read(ctx)
if err != nil {
return nil, nil, err
}
var val []Value
err = it.Next(&val)
if err != nil {
return nil, nil, err
}
if len(val) != 1 {
return nil, nil, errors.New("wrong number of values")
}
conf, err := job.Config()
if err != nil {
return nil, nil, err
}
return val[0], conf.(*QueryConfig).Parameters[0].Value, nil
}