// Copyright 2015 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 (
"encoding/base64"
"fmt"
"math"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"cloud.google.com/go/civil"
"cloud.google.com/go/internal/testutil"
bq "google.golang.org/api/bigquery/v2"
)
func TestConvertBasicValues(t *testing.T) {
schema := Schema{
{Type: StringFieldType},
{Type: IntegerFieldType},
{Type: FloatFieldType},
{Type: BooleanFieldType},
{Type: BytesFieldType},
}
row := &bq.TableRow{
F: []*bq.TableCell{
{V: "a"},
{V: "1"},
{V: "1.2"},
{V: "true"},
{V: base64.StdEncoding.EncodeToString([]byte("foo"))},
},
}
got, err := convertRow(row, schema)
if err != nil {
t.Fatalf("error converting: %v", err)
}
want := []Value{"a", int64(1), 1.2, true, []byte("foo")}
if !testutil.Equal(got, want) {
t.Errorf("converting basic values: got:\n%v\nwant:\n%v", got, want)
}
}
func TestConvertTime(t *testing.T) {
schema := Schema{
{Type: TimestampFieldType},
{Type: DateFieldType},
{Type: TimeFieldType},
{Type: DateTimeFieldType},
}
ts := testTimestamp.Round(time.Millisecond)
row := &bq.TableRow{
F: []*bq.TableCell{
{V: fmt.Sprintf("%.10f", float64(ts.UnixNano())/1e9)},
{V: testDate.String()},
{V: testTime.String()},
{V: testDateTime.String()},
},
}
got, err := convertRow(row, schema)
if err != nil {
t.Fatalf("error converting: %v", err)
}
want := []Value{ts, testDate, testTime, testDateTime}
for i, g := range got {
w := want[i]
if !testutil.Equal(g, w) {
t.Errorf("#%d: got:\n%v\nwant:\n%v", i, g, w)
}
}
if got[0].(time.Time).Location() != time.UTC {
t.Errorf("expected time zone UTC: got:\n%v", got)
}
}
func TestConvertSmallTimes(t *testing.T) {
for _, year := range []int{1600, 1066, 1} {
want := time.Date(year, time.January, 1, 0, 0, 0, 0, time.UTC)
s := fmt.Sprintf("%.10f", float64(want.Unix()))
got, err := convertBasicType(s, TimestampFieldType)
if err != nil {
t.Fatal(err)
}
if !got.(time.Time).Equal(want) {
t.Errorf("got %v, want %v", got, want)
}
}
}
func TestConvertNullValues(t *testing.T) {
schema := Schema{{Type: StringFieldType}}
row := &bq.TableRow{
F: []*bq.TableCell{
{V: nil},
},
}
got, err := convertRow(row, schema)
if err != nil {
t.Fatalf("error converting: %v", err)
}
want := []Value{nil}
if !testutil.Equal(got, want) {
t.Errorf("converting null values: got:\n%v\nwant:\n%v", got, want)
}
}
func TestBasicRepetition(t *testing.T) {
schema := Schema{
{Type: IntegerFieldType, Repeated: true},
}
row := &bq.TableRow{
F: []*bq.TableCell{
{
V: []interface{}{
map[string]interface{}{
"v": "1",
},
map[string]interface{}{
"v": "2",
},
map[string]interface{}{
"v": "3",
},
},
},
},
}
got, err := convertRow(row, schema)
if err != nil {
t.Fatalf("error converting: %v", err)
}
want := []Value{[]Value{int64(1), int64(2), int64(3)}}
if !testutil.Equal(got, want) {
t.Errorf("converting basic repeated values: got:\n%v\nwant:\n%v", got, want)
}
}
func TestNestedRecordContainingRepetition(t *testing.T) {
schema := Schema{
{
Type: RecordFieldType,
Schema: Schema{
{Type: IntegerFieldType, Repeated: true},
},
},
}
row := &bq.TableRow{
F: []*bq.TableCell{
{
V: map[string]interface{}{
"f": []interface{}{
map[string]interface{}{
"v": []interface{}{
map[string]interface{}{"v": "1"},
map[string]interface{}{"v": "2"},
map[string]interface{}{"v": "3"},
},
},
},
},
},
},
}
got, err := convertRow(row, schema)
if err != nil {
t.Fatalf("error converting: %v", err)
}
want := []Value{[]Value{[]Value{int64(1), int64(2), int64(3)}}}
if !testutil.Equal(got, want) {
t.Errorf("converting basic repeated values: got:\n%v\nwant:\n%v", got, want)
}
}
func TestRepeatedRecordContainingRepetition(t *testing.T) {
schema := Schema{
{
Type: RecordFieldType,
Repeated: true,
Schema: Schema{
{Type: IntegerFieldType, Repeated: true},
},
},
}
row := &bq.TableRow{F: []*bq.TableCell{
{
V: []interface{}{ // repeated records.
map[string]interface{}{ // first record.
"v": map[string]interface{}{ // pointless single-key-map wrapper.
"f": []interface{}{ // list of record fields.
map[string]interface{}{ // only record (repeated ints)
"v": []interface{}{ // pointless wrapper.
map[string]interface{}{
"v": "1",
},
map[string]interface{}{
"v": "2",
},
map[string]interface{}{
"v": "3",
},
},
},
},
},
},
map[string]interface{}{ // second record.
"v": map[string]interface{}{
"f": []interface{}{
map[string]interface{}{
"v": []interface{}{
map[string]interface{}{
"v": "4",
},
map[string]interface{}{
"v": "5",
},
map[string]interface{}{
"v": "6",
},
},
},
},
},
},
},
},
}}
got, err := convertRow(row, schema)
if err != nil {
t.Fatalf("error converting: %v", err)
}
want := []Value{ // the row is a list of length 1, containing an entry for the repeated record.
[]Value{ // the repeated record is a list of length 2, containing an entry for each repetition.
[]Value{ // the record is a list of length 1, containing an entry for the repeated integer field.
[]Value{int64(1), int64(2), int64(3)}, // the repeated integer field is a list of length 3.
},
[]Value{ // second record
[]Value{int64(4), int64(5), int64(6)},
},
},
}
if !testutil.Equal(got, want) {
t.Errorf("converting repeated records with repeated values: got:\n%v\nwant:\n%v", got, want)
}
}
func TestRepeatedRecordContainingRecord(t *testing.T) {
schema := Schema{
{
Type: RecordFieldType,
Repeated: true,
Schema: Schema{
{
Type: StringFieldType,
},
{
Type: RecordFieldType,
Schema: Schema{
{Type: IntegerFieldType},
{Type: StringFieldType},
},
},
},
},
}
row := &bq.TableRow{F: []*bq.TableCell{
{
V: []interface{}{ // repeated records.
map[string]interface{}{ // first record.
"v": map[string]interface{}{ // pointless single-key-map wrapper.
"f": []interface{}{ // list of record fields.
map[string]interface{}{ // first record field (name)
"v": "first repeated record",
},
map[string]interface{}{ // second record field (nested record).
"v": map[string]interface{}{ // pointless single-key-map wrapper.
"f": []interface{}{ // nested record fields
map[string]interface{}{
"v": "1",
},
map[string]interface{}{
"v": "two",
},
},
},
},
},
},
},
map[string]interface{}{ // second record.
"v": map[string]interface{}{
"f": []interface{}{
map[string]interface{}{
"v": "second repeated record",
},
map[string]interface{}{
"v": map[string]interface{}{
"f": []interface{}{
map[string]interface{}{
"v": "3",
},
map[string]interface{}{
"v": "four",
},
},
},
},
},
},
},
},
},
}}
got, err := convertRow(row, schema)
if err != nil {
t.Fatalf("error converting: %v", err)
}
// TODO: test with flattenresults.
want := []Value{ // the row is a list of length 1, containing an entry for the repeated record.
[]Value{ // the repeated record is a list of length 2, containing an entry for each repetition.
[]Value{ // record contains a string followed by a nested record.
"first repeated record",
[]Value{
int64(1),
"two",
},
},
[]Value{ // second record.
"second repeated record",
[]Value{
int64(3),
"four",
},
},
},
}
if !testutil.Equal(got, want) {
t.Errorf("converting repeated records containing record : got:\n%v\nwant:\n%v", got, want)
}
}
func TestConvertRowErrors(t *testing.T) {
// mismatched lengths
if _, err := convertRow(&bq.TableRow{F: []*bq.TableCell{{V: ""}}}, Schema{}); err == nil {
t.Error("got nil, want error")
}
v3 := map[string]interface{}{"v": 3}
for _, test := range []struct {
value interface{}
fs FieldSchema
}{
{3, FieldSchema{Type: IntegerFieldType}}, // not a string
{[]interface{}{v3}, // not a string, repeated
FieldSchema{Type: IntegerFieldType, Repeated: true}},
{map[string]interface{}{"f": []interface{}{v3}}, // not a string, nested
FieldSchema{Type: RecordFieldType, Schema: Schema{{Type: IntegerFieldType}}}},
{map[string]interface{}{"f": []interface{}{v3}}, // wrong length, nested
FieldSchema{Type: RecordFieldType, Schema: Schema{}}},
} {
_, err := convertRow(
&bq.TableRow{F: []*bq.TableCell{{V: test.value}}},
Schema{&test.fs})
if err == nil {
t.Errorf("value %v, fs %v: got nil, want error", test.value, test.fs)
}
}
// bad field type
if _, err := convertBasicType("", FieldType("BAD")); err == nil {
t.Error("got nil, want error")
}
}
func TestValuesSaverConvertsToMap(t *testing.T) {
testCases := []struct {
vs ValuesSaver
wantInsertID string
wantRow map[string]Value
}{
{
vs: ValuesSaver{
Schema: Schema{
{Name: "intField", Type: IntegerFieldType},
{Name: "strField", Type: StringFieldType},
{Name: "dtField", Type: DateTimeFieldType},
},
InsertID: "iid",
Row: []Value{1, "a",
civil.DateTime{
Date: civil.Date{Year: 1, Month: 2, Day: 3},
Time: civil.Time{Hour: 4, Minute: 5, Second: 6, Nanosecond: 7000}},
},
},
wantInsertID: "iid",
wantRow: map[string]Value{"intField": 1, "strField": "a",
"dtField": "0001-02-03 04:05:06.000007"},
},
{
vs: ValuesSaver{
Schema: Schema{
{Name: "intField", Type: IntegerFieldType},
{
Name: "recordField",
Type: RecordFieldType,
Schema: Schema{
{Name: "nestedInt", Type: IntegerFieldType, Repeated: true},
},
},
},
InsertID: "iid",
Row: []Value{1, []Value{[]Value{2, 3}}},
},
wantInsertID: "iid",
wantRow: map[string]Value{
"intField": 1,
"recordField": map[string]Value{
"nestedInt": []Value{2, 3},
},
},
},
{ // repeated nested field
vs: ValuesSaver{
Schema: Schema{
{
Name: "records",
Type: RecordFieldType,
Schema: Schema{
{Name: "x", Type: IntegerFieldType},
{Name: "y", Type: IntegerFieldType},
},
Repeated: true,
},
},
InsertID: "iid",
Row: []Value{ // a row is a []Value
[]Value{ // repeated field's value is a []Value
[]Value{1, 2}, // first record of the repeated field
[]Value{3, 4}, // second record
},
},
},
wantInsertID: "iid",
wantRow: map[string]Value{
"records": []Value{
map[string]Value{"x": 1, "y": 2},
map[string]Value{"x": 3, "y": 4},
},
},
},
}
for _, tc := range testCases {
gotRow, gotInsertID, err := tc.vs.Save()
if err != nil {
t.Errorf("Expected successful save; got: %v", err)
continue
}
if !testutil.Equal(gotRow, tc.wantRow) {
t.Errorf("%v row:\ngot:\n%+v\nwant:\n%+v", tc.vs, gotRow, tc.wantRow)
}
if !testutil.Equal(gotInsertID, tc.wantInsertID) {
t.Errorf("%v ID:\ngot:\n%+v\nwant:\n%+v", tc.vs, gotInsertID, tc.wantInsertID)
}
}
}
func TestValuesToMapErrors(t *testing.T) {
for _, test := range []struct {
values []Value
schema Schema
}{
{ // mismatched length
[]Value{1},
Schema{},
},
{ // nested record not a slice
[]Value{1},
Schema{{Type: RecordFieldType}},
},
{ // nested record mismatched length
[]Value{[]Value{1}},
Schema{{Type: RecordFieldType}},
},
{ // nested repeated record not a slice
[]Value{[]Value{1}},
Schema{{Type: RecordFieldType, Repeated: true}},
},
{ // nested repeated record mismatched length
[]Value{[]Value{[]Value{1}}},
Schema{{Type: RecordFieldType, Repeated: true}},
},
} {
_, err := valuesToMap(test.values, test.schema)
if err == nil {
t.Errorf("%v, %v: got nil, want error", test.values, test.schema)
}
}
}
func TestStructSaver(t *testing.T) {
schema := Schema{
{Name: "s", Type: StringFieldType},
{Name: "r", Type: IntegerFieldType, Repeated: true},
{Name: "t", Type: TimeFieldType},
{Name: "tr", Type: TimeFieldType, Repeated: true},
{Name: "nested", Type: RecordFieldType, Schema: Schema{
{Name: "b", Type: BooleanFieldType},
}},
{Name: "rnested", Type: RecordFieldType, Repeated: true, Schema: Schema{
{Name: "b", Type: BooleanFieldType},
}},
{Name: "p", Type: IntegerFieldType, Required: false},
}
type (
N struct{ B bool }
T struct {
S string
R []int
T civil.Time
TR []civil.Time
Nested *N
Rnested []*N
P NullInt64
}
)
check := func(msg string, in interface{}, want map[string]Value) {
ss := StructSaver{
Schema: schema,
InsertID: "iid",
Struct: in,
}
got, gotIID, err := ss.Save()
if err != nil {
t.Fatalf("%s: %v", msg, err)
}
if wantIID := "iid"; gotIID != wantIID {
t.Errorf("%s: InsertID: got %q, want %q", msg, gotIID, wantIID)
}
if diff := testutil.Diff(got, want); diff != "" {
t.Errorf("%s: %s", msg, diff)
}
}
ct1 := civil.Time{Hour: 1, Minute: 2, Second: 3, Nanosecond: 4000}
ct2 := civil.Time{Hour: 5, Minute: 6, Second: 7, Nanosecond: 8000}
in := T{
S: "x",
R: []int{1, 2},
T: ct1,
TR: []civil.Time{ct1, ct2},
Nested: &N{B: true},
Rnested: []*N{{true}, {false}},
P: NullInt64{Valid: true, Int64: 17},
}
want := map[string]Value{
"s": "x",
"r": []int{1, 2},
"t": "01:02:03.000004",
"tr": []string{"01:02:03.000004", "05:06:07.000008"},
"nested": map[string]Value{"b": true},
"rnested": []Value{map[string]Value{"b": true}, map[string]Value{"b": false}},
"p": NullInt64{Valid: true, Int64: 17},
}
check("all values", in, want)
check("all values, ptr", &in, want)
check("empty struct", T{}, map[string]Value{"s": "", "t": "00:00:00", "p": NullInt64{}})
// Missing and extra fields ignored.
type T2 struct {
S string
// missing R, Nested, RNested
Extra int
}
check("missing and extra", T2{S: "x"}, map[string]Value{"s": "x"})
check("nils in slice", T{Rnested: []*N{{true}, nil, {false}}},
map[string]Value{
"s": "",
"t": "00:00:00",
"p": NullInt64{},
"rnested": []Value{map[string]Value{"b": true}, map[string]Value(nil), map[string]Value{"b": false}},
})
}
func TestStructSaverErrors(t *testing.T) {
type (
badField struct {
I int `bigquery:"@"`
}
badR struct{ R int }
badRN struct{ R []int }
)
for i, test := range []struct {
struct_ interface{}
schema Schema
}{
{0, nil}, // not a struct
{&badField{}, nil}, // bad field name
{&badR{}, Schema{{Name: "r", Repeated: true}}}, // repeated field has bad type
{&badR{}, Schema{{Name: "r", Type: RecordFieldType}}}, // nested field has bad type
{&badRN{[]int{0}}, // nested repeated field has bad type
Schema{{Name: "r", Type: RecordFieldType, Repeated: true}}},
} {
ss := &StructSaver{Struct: test.struct_, Schema: test.schema}
_, _, err := ss.Save()
if err == nil {
t.Errorf("#%d, %v, %v: got nil, want error", i, test.struct_, test.schema)
}
}
}
func TestConvertRows(t *testing.T) {
schema := Schema{
{Type: StringFieldType},
{Type: IntegerFieldType},
{Type: FloatFieldType},
{Type: BooleanFieldType},
}
rows := []*bq.TableRow{
{F: []*bq.TableCell{
{V: "a"},
{V: "1"},
{V: "1.2"},
{V: "true"},
}},
{F: []*bq.TableCell{
{V: "b"},
{V: "2"},
{V: "2.2"},
{V: "false"},
}},
}
want := [][]Value{
{"a", int64(1), 1.2, true},
{"b", int64(2), 2.2, false},
}
got, err := convertRows(rows, schema)
if err != nil {
t.Fatalf("got %v, want nil", err)
}
if !testutil.Equal(got, want) {
t.Errorf("\ngot %v\nwant %v", got, want)
}
rows[0].F[0].V = 1
_, err = convertRows(rows, schema)
if err == nil {
t.Error("got nil, want error")
}
}
func TestValueList(t *testing.T) {
schema := Schema{
{Name: "s", Type: StringFieldType},
{Name: "i", Type: IntegerFieldType},
{Name: "f", Type: FloatFieldType},
{Name: "b", Type: BooleanFieldType},
}
want := []Value{"x", 7, 3.14, true}
var got []Value
vl := (*valueList)(&got)
if err := vl.Load(want, schema); err != nil {
t.Fatal(err)
}
if !testutil.Equal(got, want) {
t.Errorf("got %+v, want %+v", got, want)
}
// Load truncates, not appends.
// https://github.com/GoogleCloudPlatform/google-cloud-go/issues/437
if err := vl.Load(want, schema); err != nil {
t.Fatal(err)
}
if !testutil.Equal(got, want) {
t.Errorf("got %+v, want %+v", got, want)
}
}
func TestValueMap(t *testing.T) {
ns := Schema{
{Name: "x", Type: IntegerFieldType},
{Name: "y", Type: IntegerFieldType},
}
schema := Schema{
{Name: "s", Type: StringFieldType},
{Name: "i", Type: IntegerFieldType},
{Name: "f", Type: FloatFieldType},
{Name: "b", Type: BooleanFieldType},
{Name: "n", Type: RecordFieldType, Schema: ns},
{Name: "rn", Type: RecordFieldType, Schema: ns, Repeated: true},
}
in := []Value{"x", 7, 3.14, true,
[]Value{1, 2},
[]Value{[]Value{3, 4}, []Value{5, 6}},
}
var vm valueMap
if err := vm.Load(in, schema); err != nil {
t.Fatal(err)
}
want := map[string]Value{
"s": "x",
"i": 7,
"f": 3.14,
"b": true,
"n": map[string]Value{"x": 1, "y": 2},
"rn": []Value{
map[string]Value{"x": 3, "y": 4},
map[string]Value{"x": 5, "y": 6},
},
}
if !testutil.Equal(vm, valueMap(want)) {
t.Errorf("got\n%+v\nwant\n%+v", vm, want)
}
in = make([]Value, len(schema))
want = map[string]Value{
"s": nil,
"i": nil,
"f": nil,
"b": nil,
"n": nil,
"rn": nil,
}
var vm2 valueMap
if err := vm2.Load(in, schema); err != nil {
t.Fatal(err)
}
if !testutil.Equal(vm2, valueMap(want)) {
t.Errorf("got\n%+v\nwant\n%+v", vm2, want)
}
}
var (
// For testing StructLoader
schema2 = Schema{
{Name: "s", Type: StringFieldType},
{Name: "s2", Type: StringFieldType},
{Name: "by", Type: BytesFieldType},
{Name: "I", Type: IntegerFieldType},
{Name: "U", Type: IntegerFieldType},
{Name: "F", Type: FloatFieldType},
{Name: "B", Type: BooleanFieldType},
{Name: "TS", Type: TimestampFieldType},
{Name: "D", Type: DateFieldType},
{Name: "T", Type: TimeFieldType},
{Name: "DT", Type: DateTimeFieldType},
{Name: "nested", Type: RecordFieldType, Schema: Schema{
{Name: "nestS", Type: StringFieldType},
{Name: "nestI", Type: IntegerFieldType},
}},
{Name: "t", Type: StringFieldType},
}
testTimestamp = time.Date(2016, 11, 5, 7, 50, 22, 8, time.UTC)
testDate = civil.Date{Year: 2016, Month: 11, Day: 5}
testTime = civil.Time{Hour: 7, Minute: 50, Second: 22, Nanosecond: 8}
testDateTime = civil.DateTime{Date: testDate, Time: testTime}
testValues = []Value{"x", "y", []byte{1, 2, 3}, int64(7), int64(8), 3.14, true,
testTimestamp, testDate, testTime, testDateTime,
[]Value{"nested", int64(17)}, "z"}
)
type testStruct1 struct {
B bool
I int
U uint16
times
S string
S2 String
By []byte
s string
F float64
Nested nested
Tagged string `bigquery:"t"`
}
type String string
type nested struct {
NestS string
NestI int
}
type times struct {
TS time.Time
T civil.Time
D civil.Date
DT civil.DateTime
}
func TestStructLoader(t *testing.T) {
var ts1 testStruct1
mustLoad(t, &ts1, schema2, testValues)
// Note: the schema field named "s" gets matched to the exported struct
// field "S", not the unexported "s".
want := &testStruct1{
B: true,
I: 7,
U: 8,
F: 3.14,
times: times{TS: testTimestamp, T: testTime, D: testDate, DT: testDateTime},
S: "x",
S2: "y",
By: []byte{1, 2, 3},
Nested: nested{NestS: "nested", NestI: 17},
Tagged: "z",
}
if diff := testutil.Diff(&ts1, want, cmp.AllowUnexported(testStruct1{})); diff != "" {
t.Error(diff)
}
// Test pointers to nested structs.
type nestedPtr struct{ Nested *nested }
var np nestedPtr
mustLoad(t, &np, schema2, testValues)
want2 := &nestedPtr{Nested: &nested{NestS: "nested", NestI: 17}}
if diff := testutil.Diff(&np, want2); diff != "" {
t.Error(diff)
}
// Existing values should be reused.
nst := &nested{NestS: "x", NestI: -10}
np = nestedPtr{Nested: nst}
mustLoad(t, &np, schema2, testValues)
if diff := testutil.Diff(&np, want2); diff != "" {
t.Error(diff)
}
if np.Nested != nst {
t.Error("nested struct pointers not equal")
}
}
type repStruct struct {
Nums []int
ShortNums [2]int // to test truncation
LongNums [5]int // to test padding with zeroes
Nested []*nested
}
var (
repSchema = Schema{
{Name: "nums", Type: IntegerFieldType, Repeated: true},
{Name: "shortNums", Type: IntegerFieldType, Repeated: true},
{Name: "longNums", Type: IntegerFieldType, Repeated: true},
{Name: "nested", Type: RecordFieldType, Repeated: true, Schema: Schema{
{Name: "nestS", Type: StringFieldType},
{Name: "nestI", Type: IntegerFieldType},
}},
}
v123 = []Value{int64(1), int64(2), int64(3)}
repValues = []Value{v123, v123, v123,
[]Value{
[]Value{"x", int64(1)},
[]Value{"y", int64(2)},
},
}
)
func TestStructLoaderRepeated(t *testing.T) {
var r1 repStruct
mustLoad(t, &r1, repSchema, repValues)
want := repStruct{
Nums: []int{1, 2, 3},
ShortNums: [...]int{1, 2}, // extra values discarded
LongNums: [...]int{1, 2, 3, 0, 0},
Nested: []*nested{{"x", 1}, {"y", 2}},
}
if diff := testutil.Diff(r1, want); diff != "" {
t.Error(diff)
}
r2 := repStruct{
Nums: []int{-1, -2, -3, -4, -5}, // truncated to zero and appended to
LongNums: [...]int{-1, -2, -3, -4, -5}, // unset elements are zeroed
}
mustLoad(t, &r2, repSchema, repValues)
if diff := testutil.Diff(r2, want); diff != "" {
t.Error(diff)
}
if got, want := cap(r2.Nums), 5; got != want {
t.Errorf("cap(r2.Nums) = %d, want %d", got, want)
}
// Short slice case.
r3 := repStruct{Nums: []int{-1}}
mustLoad(t, &r3, repSchema, repValues)
if diff := testutil.Diff(r3, want); diff != "" {
t.Error(diff)
}
if got, want := cap(r3.Nums), 3; got != want {
t.Errorf("cap(r3.Nums) = %d, want %d", got, want)
}
}
type testStructNullable struct {
String NullString
Bytes []byte
Integer NullInt64
Float NullFloat64
Boolean NullBool
Timestamp NullTimestamp
Date NullDate
Time NullTime
DateTime NullDateTime
Record *subNullable
}
type subNullable struct {
X NullInt64
}
var testStructNullableSchema = Schema{
{Name: "String", Type: StringFieldType, Required: false},
{Name: "Bytes", Type: BytesFieldType, Required: false},
{Name: "Integer", Type: IntegerFieldType, Required: false},
{Name: "Float", Type: FloatFieldType, Required: false},
{Name: "Boolean", Type: BooleanFieldType, Required: false},
{Name: "Timestamp", Type: TimestampFieldType, Required: false},
{Name: "Date", Type: DateFieldType, Required: false},
{Name: "Time", Type: TimeFieldType, Required: false},
{Name: "DateTime", Type: DateTimeFieldType, Required: false},
{Name: "Record", Type: RecordFieldType, Required: false, Schema: Schema{
{Name: "X", Type: IntegerFieldType, Required: false},
}},
}
func TestStructLoaderNullable(t *testing.T) {
var ts testStructNullable
nilVals := []Value{nil, nil, nil, nil, nil, nil, nil, nil, nil, nil}
mustLoad(t, &ts, testStructNullableSchema, nilVals)
want := testStructNullable{}
if diff := testutil.Diff(ts, want); diff != "" {
t.Error(diff)
}
nonnilVals := []Value{"x", []byte{1, 2, 3}, int64(1), 2.3, true, testTimestamp, testDate, testTime, testDateTime, []Value{int64(4)}}
// All ts fields are nil. Loading non-nil values will cause them all to
// be allocated.
mustLoad(t, &ts, testStructNullableSchema, nonnilVals)
want = testStructNullable{
String: NullString{StringVal: "x", Valid: true},
Bytes: []byte{1, 2, 3},
Integer: NullInt64{Int64: 1, Valid: true},
Float: NullFloat64{Float64: 2.3, Valid: true},
Boolean: NullBool{Bool: true, Valid: true},
Timestamp: NullTimestamp{Timestamp: testTimestamp, Valid: true},
Date: NullDate{Date: testDate, Valid: true},
Time: NullTime{Time: testTime, Valid: true},
DateTime: NullDateTime{DateTime: testDateTime, Valid: true},
Record: &subNullable{X: NullInt64{Int64: 4, Valid: true}},
}
if diff := testutil.Diff(ts, want); diff != "" {
t.Error(diff)
}
// Struct pointers are reused, byte slices are not.
want = ts
want.Bytes = []byte{17}
vals2 := []Value{nil, []byte{17}, nil, nil, nil, nil, nil, nil, nil, []Value{int64(7)}}
mustLoad(t, &ts, testStructNullableSchema, vals2)
if ts.Record != want.Record {
t.Error("record pointers not identical")
}
}
func TestStructLoaderOverflow(t *testing.T) {
type S struct {
I int16
U uint16
F float32
}
schema := Schema{
{Name: "I", Type: IntegerFieldType},
{Name: "U", Type: IntegerFieldType},
{Name: "F", Type: FloatFieldType},
}
var s S
z64 := int64(0)
for _, vals := range [][]Value{
{int64(math.MaxInt16 + 1), z64, 0},
{z64, int64(math.MaxInt32), 0},
{z64, int64(-1), 0},
{z64, z64, math.MaxFloat32 * 2},
} {
if err := load(&s, schema, vals); err == nil {
t.Errorf("%+v: got nil, want error", vals)
}
}
}
func TestStructLoaderFieldOverlap(t *testing.T) {
// It's OK if the struct has fields that the schema does not, and vice versa.
type S1 struct {
I int
X [][]int // not in the schema; does not even correspond to a valid BigQuery type
// many schema fields missing
}
var s1 S1
if err := load(&s1, schema2, testValues); err != nil {
t.Fatal(err)
}
want1 := S1{I: 7}
if diff := testutil.Diff(s1, want1); diff != "" {
t.Error(diff)
}
// It's even valid to have no overlapping fields at all.
type S2 struct{ Z int }
var s2 S2
mustLoad(t, &s2, schema2, testValues)
want2 := S2{}
if diff := testutil.Diff(s2, want2); diff != "" {
t.Error(diff)
}
}
func TestStructLoaderErrors(t *testing.T) {
check := func(sp interface{}) {
var sl structLoader
err := sl.set(sp, schema2)
if err == nil {
t.Errorf("%T: got nil, want error", sp)
}
}
type bad1 struct{ F int32 } // wrong type for FLOAT column
check(&bad1{})
type bad2 struct{ I uint } // unsupported integer type
check(&bad2{})
type bad3 struct {
I int `bigquery:"@"`
} // bad field name
check(&bad3{})
type bad4 struct{ Nested int } // non-struct for nested field
check(&bad4{})
type bad5 struct{ Nested struct{ NestS int } } // bad nested struct
check(&bad5{})
bad6 := &struct{ Nums int }{} // non-slice for repeated field
sl := structLoader{}
err := sl.set(bad6, repSchema)
if err == nil {
t.Errorf("%T: got nil, want error", bad6)
}
// sl.set's error is sticky, even with good input.
err2 := sl.set(&repStruct{}, repSchema)
if err2 != err {
t.Errorf("%v != %v, expected equal", err2, err)
}
// sl.Load is similarly sticky
err2 = sl.Load(nil, nil)
if err2 != err {
t.Errorf("%v != %v, expected equal", err2, err)
}
// Null values.
schema := Schema{
{Name: "i", Type: IntegerFieldType},
{Name: "f", Type: FloatFieldType},
{Name: "b", Type: BooleanFieldType},
{Name: "s", Type: StringFieldType},
{Name: "d", Type: DateFieldType},
{Name: "r", Type: RecordFieldType, Schema: Schema{{Name: "X", Type: IntegerFieldType}}},
}
type s struct {
I int
F float64
B bool
S string
D civil.Date
}
vals := []Value{int64(0), 0.0, false, "", testDate}
mustLoad(t, &s{}, schema, vals)
for i, e := range vals {
vals[i] = nil
got := load(&s{}, schema, vals)
if got != errNoNulls {
t.Errorf("#%d: got %v, want %v", i, got, errNoNulls)
}
vals[i] = e
}
// Using more than one struct type with the same structLoader.
type different struct {
B bool
I int
times
S string
s string
Nums []int
}
sl = structLoader{}
if err := sl.set(&testStruct1{}, schema2); err != nil {
t.Fatal(err)
}
err = sl.set(&different{}, schema2)
if err == nil {
t.Error("different struct types: got nil, want error")
}
}
func mustLoad(t *testing.T, pval interface{}, schema Schema, vals []Value) {
if err := load(pval, schema, vals); err != nil {
t.Fatalf("loading: %v", err)
}
}
func load(pval interface{}, schema Schema, vals []Value) error {
var sl structLoader
if err := sl.set(pval, schema); err != nil {
return err
}
return sl.Load(vals, nil)
}
func BenchmarkStructLoader_NoCompile(b *testing.B) {
benchmarkStructLoader(b, false)
}
func BenchmarkStructLoader_Compile(b *testing.B) {
benchmarkStructLoader(b, true)
}
func benchmarkStructLoader(b *testing.B, compile bool) {
var ts1 testStruct1
for i := 0; i < b.N; i++ {
var sl structLoader
for j := 0; j < 10; j++ {
if err := load(&ts1, schema2, testValues); err != nil {
b.Fatal(err)
}
if !compile {
sl.typ = nil
}
}
}
}