mirror of
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801 lines
16 KiB
Go
801 lines
16 KiB
Go
// Copyright 2015 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package bigquery
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import (
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"fmt"
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"reflect"
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"testing"
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"time"
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"cloud.google.com/go/civil"
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"cloud.google.com/go/internal/pretty"
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"cloud.google.com/go/internal/testutil"
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bq "google.golang.org/api/bigquery/v2"
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)
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func (fs *FieldSchema) GoString() string {
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if fs == nil {
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return "<nil>"
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}
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return fmt.Sprintf("{Name:%s Description:%s Repeated:%t Required:%t Type:%s Schema:%s}",
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fs.Name,
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fs.Description,
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fs.Repeated,
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fs.Required,
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fs.Type,
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fmt.Sprintf("%#v", fs.Schema),
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)
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}
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func bqTableFieldSchema(desc, name, typ, mode string) *bq.TableFieldSchema {
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return &bq.TableFieldSchema{
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Description: desc,
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Name: name,
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Mode: mode,
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Type: typ,
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}
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}
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func fieldSchema(desc, name, typ string, repeated, required bool) *FieldSchema {
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return &FieldSchema{
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Description: desc,
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Name: name,
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Repeated: repeated,
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Required: required,
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Type: FieldType(typ),
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}
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}
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func TestSchemaConversion(t *testing.T) {
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testCases := []struct {
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schema Schema
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bqSchema *bq.TableSchema
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}{
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{
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// required
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bqSchema: &bq.TableSchema{
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Fields: []*bq.TableFieldSchema{
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bqTableFieldSchema("desc", "name", "STRING", "REQUIRED"),
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},
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},
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schema: Schema{
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fieldSchema("desc", "name", "STRING", false, true),
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},
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},
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{
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// repeated
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bqSchema: &bq.TableSchema{
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Fields: []*bq.TableFieldSchema{
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bqTableFieldSchema("desc", "name", "STRING", "REPEATED"),
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},
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},
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schema: Schema{
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fieldSchema("desc", "name", "STRING", true, false),
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},
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},
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{
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// nullable, string
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bqSchema: &bq.TableSchema{
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Fields: []*bq.TableFieldSchema{
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bqTableFieldSchema("desc", "name", "STRING", ""),
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},
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},
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schema: Schema{
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fieldSchema("desc", "name", "STRING", false, false),
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},
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},
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{
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// integer
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bqSchema: &bq.TableSchema{
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Fields: []*bq.TableFieldSchema{
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bqTableFieldSchema("desc", "name", "INTEGER", ""),
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},
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},
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schema: Schema{
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fieldSchema("desc", "name", "INTEGER", false, false),
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},
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},
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{
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// float
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bqSchema: &bq.TableSchema{
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Fields: []*bq.TableFieldSchema{
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bqTableFieldSchema("desc", "name", "FLOAT", ""),
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},
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},
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schema: Schema{
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fieldSchema("desc", "name", "FLOAT", false, false),
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},
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},
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{
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// boolean
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bqSchema: &bq.TableSchema{
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Fields: []*bq.TableFieldSchema{
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bqTableFieldSchema("desc", "name", "BOOLEAN", ""),
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},
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},
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schema: Schema{
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fieldSchema("desc", "name", "BOOLEAN", false, false),
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},
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},
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{
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// timestamp
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bqSchema: &bq.TableSchema{
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Fields: []*bq.TableFieldSchema{
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bqTableFieldSchema("desc", "name", "TIMESTAMP", ""),
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},
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},
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schema: Schema{
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fieldSchema("desc", "name", "TIMESTAMP", false, false),
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},
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},
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{
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// civil times
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bqSchema: &bq.TableSchema{
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Fields: []*bq.TableFieldSchema{
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bqTableFieldSchema("desc", "f1", "TIME", ""),
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bqTableFieldSchema("desc", "f2", "DATE", ""),
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bqTableFieldSchema("desc", "f3", "DATETIME", ""),
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},
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},
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schema: Schema{
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fieldSchema("desc", "f1", "TIME", false, false),
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fieldSchema("desc", "f2", "DATE", false, false),
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fieldSchema("desc", "f3", "DATETIME", false, false),
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},
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},
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{
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// nested
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bqSchema: &bq.TableSchema{
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Fields: []*bq.TableFieldSchema{
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{
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Description: "An outer schema wrapping a nested schema",
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Name: "outer",
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Mode: "REQUIRED",
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Type: "RECORD",
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Fields: []*bq.TableFieldSchema{
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bqTableFieldSchema("inner field", "inner", "STRING", ""),
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},
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},
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},
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},
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schema: Schema{
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&FieldSchema{
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Description: "An outer schema wrapping a nested schema",
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Name: "outer",
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Required: true,
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Type: "RECORD",
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Schema: []*FieldSchema{
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{
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Description: "inner field",
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Name: "inner",
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Type: "STRING",
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},
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},
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},
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},
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},
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}
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for _, tc := range testCases {
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bqSchema := tc.schema.toBQ()
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if !testutil.Equal(bqSchema, tc.bqSchema) {
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t.Errorf("converting to TableSchema: got:\n%v\nwant:\n%v",
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pretty.Value(bqSchema), pretty.Value(tc.bqSchema))
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}
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schema := bqToSchema(tc.bqSchema)
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if !testutil.Equal(schema, tc.schema) {
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t.Errorf("converting to Schema: got:\n%v\nwant:\n%v", schema, tc.schema)
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}
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}
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}
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type allStrings struct {
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String string
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ByteSlice []byte
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}
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type allSignedIntegers struct {
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Int64 int64
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Int32 int32
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Int16 int16
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Int8 int8
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Int int
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}
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type allUnsignedIntegers struct {
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Uint32 uint32
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Uint16 uint16
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Uint8 uint8
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}
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type allFloat struct {
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Float64 float64
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Float32 float32
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// NOTE: Complex32 and Complex64 are unsupported by BigQuery
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}
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type allBoolean struct {
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Bool bool
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}
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type allTime struct {
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Timestamp time.Time
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Time civil.Time
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Date civil.Date
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DateTime civil.DateTime
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}
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func reqField(name, typ string) *FieldSchema {
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return &FieldSchema{
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Name: name,
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Type: FieldType(typ),
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Required: true,
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}
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}
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func TestSimpleInference(t *testing.T) {
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testCases := []struct {
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in interface{}
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want Schema
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}{
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{
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in: allSignedIntegers{},
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want: Schema{
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reqField("Int64", "INTEGER"),
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reqField("Int32", "INTEGER"),
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reqField("Int16", "INTEGER"),
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reqField("Int8", "INTEGER"),
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reqField("Int", "INTEGER"),
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},
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},
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{
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in: allUnsignedIntegers{},
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want: Schema{
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reqField("Uint32", "INTEGER"),
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reqField("Uint16", "INTEGER"),
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reqField("Uint8", "INTEGER"),
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},
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},
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{
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in: allFloat{},
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want: Schema{
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reqField("Float64", "FLOAT"),
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reqField("Float32", "FLOAT"),
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},
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},
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{
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in: allBoolean{},
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want: Schema{
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reqField("Bool", "BOOLEAN"),
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},
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},
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{
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in: &allBoolean{},
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want: Schema{
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reqField("Bool", "BOOLEAN"),
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},
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},
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{
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in: allTime{},
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want: Schema{
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reqField("Timestamp", "TIMESTAMP"),
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reqField("Time", "TIME"),
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reqField("Date", "DATE"),
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reqField("DateTime", "DATETIME"),
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},
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},
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{
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in: allStrings{},
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want: Schema{
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reqField("String", "STRING"),
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reqField("ByteSlice", "BYTES"),
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},
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},
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}
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for _, tc := range testCases {
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got, err := InferSchema(tc.in)
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if err != nil {
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t.Fatalf("%T: error inferring TableSchema: %v", tc.in, err)
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}
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if !testutil.Equal(got, tc.want) {
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t.Errorf("%T: inferring TableSchema: got:\n%#v\nwant:\n%#v", tc.in,
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pretty.Value(got), pretty.Value(tc.want))
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}
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}
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}
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type containsNested struct {
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hidden string
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NotNested int
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Nested struct {
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Inside int
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}
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}
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type containsDoubleNested struct {
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NotNested int
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Nested struct {
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InsideNested struct {
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Inside int
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}
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}
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}
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type ptrNested struct {
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Ptr *struct{ Inside int }
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}
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type dup struct { // more than one field of the same struct type
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A, B allBoolean
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}
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func TestNestedInference(t *testing.T) {
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testCases := []struct {
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in interface{}
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want Schema
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}{
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{
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in: containsNested{},
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want: Schema{
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reqField("NotNested", "INTEGER"),
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&FieldSchema{
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Name: "Nested",
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Required: true,
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Type: "RECORD",
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Schema: Schema{reqField("Inside", "INTEGER")},
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},
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},
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},
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{
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in: containsDoubleNested{},
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want: Schema{
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reqField("NotNested", "INTEGER"),
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&FieldSchema{
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Name: "Nested",
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Required: true,
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Type: "RECORD",
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Schema: Schema{
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{
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Name: "InsideNested",
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Required: true,
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Type: "RECORD",
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Schema: Schema{reqField("Inside", "INTEGER")},
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},
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},
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},
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},
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},
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{
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in: ptrNested{},
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want: Schema{
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&FieldSchema{
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Name: "Ptr",
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Required: true,
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Type: "RECORD",
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Schema: Schema{reqField("Inside", "INTEGER")},
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},
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},
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},
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{
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in: dup{},
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want: Schema{
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&FieldSchema{
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Name: "A",
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Required: true,
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Type: "RECORD",
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Schema: Schema{reqField("Bool", "BOOLEAN")},
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},
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&FieldSchema{
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Name: "B",
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Required: true,
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Type: "RECORD",
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Schema: Schema{reqField("Bool", "BOOLEAN")},
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},
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},
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},
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}
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for _, tc := range testCases {
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got, err := InferSchema(tc.in)
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if err != nil {
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t.Fatalf("%T: error inferring TableSchema: %v", tc.in, err)
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}
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if !testutil.Equal(got, tc.want) {
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t.Errorf("%T: inferring TableSchema: got:\n%#v\nwant:\n%#v", tc.in,
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pretty.Value(got), pretty.Value(tc.want))
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}
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}
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}
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type repeated struct {
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NotRepeated []byte
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RepeatedByteSlice [][]byte
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Slice []int
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Array [5]bool
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}
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type nestedRepeated struct {
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NotRepeated int
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Repeated []struct {
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Inside int
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}
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RepeatedPtr []*struct{ Inside int }
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}
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func repField(name, typ string) *FieldSchema {
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return &FieldSchema{
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Name: name,
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Type: FieldType(typ),
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Repeated: true,
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}
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}
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func TestRepeatedInference(t *testing.T) {
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testCases := []struct {
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in interface{}
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want Schema
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}{
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{
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in: repeated{},
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want: Schema{
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reqField("NotRepeated", "BYTES"),
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repField("RepeatedByteSlice", "BYTES"),
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repField("Slice", "INTEGER"),
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repField("Array", "BOOLEAN"),
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},
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},
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{
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in: nestedRepeated{},
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want: Schema{
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reqField("NotRepeated", "INTEGER"),
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{
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Name: "Repeated",
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Repeated: true,
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Type: "RECORD",
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Schema: Schema{reqField("Inside", "INTEGER")},
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},
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{
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Name: "RepeatedPtr",
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Repeated: true,
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Type: "RECORD",
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Schema: Schema{reqField("Inside", "INTEGER")},
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},
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},
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},
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}
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for i, tc := range testCases {
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got, err := InferSchema(tc.in)
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if err != nil {
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t.Fatalf("%d: error inferring TableSchema: %v", i, err)
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}
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if !testutil.Equal(got, tc.want) {
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t.Errorf("%d: inferring TableSchema: got:\n%#v\nwant:\n%#v", i,
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pretty.Value(got), pretty.Value(tc.want))
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}
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}
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}
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type Embedded struct {
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Embedded int
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}
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type embedded struct {
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Embedded2 int
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}
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type nestedEmbedded struct {
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Embedded
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embedded
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}
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func TestEmbeddedInference(t *testing.T) {
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got, err := InferSchema(nestedEmbedded{})
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if err != nil {
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t.Fatal(err)
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}
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want := Schema{
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reqField("Embedded", "INTEGER"),
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reqField("Embedded2", "INTEGER"),
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}
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if !testutil.Equal(got, want) {
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t.Errorf("got %v, want %v", pretty.Value(got), pretty.Value(want))
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}
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}
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func TestRecursiveInference(t *testing.T) {
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type List struct {
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Val int
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Next *List
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}
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_, err := InferSchema(List{})
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if err == nil {
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t.Fatal("got nil, want error")
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}
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}
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|
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type withTags struct {
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NoTag int
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ExcludeTag int `bigquery:"-"`
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SimpleTag int `bigquery:"simple_tag"`
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UnderscoreTag int `bigquery:"_id"`
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MixedCase int `bigquery:"MIXEDcase"`
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Nullable int `bigquery:",nullable"`
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}
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|
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type withTagsNested struct {
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Nested withTags `bigquery:"nested"`
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NestedAnonymous struct {
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ExcludeTag int `bigquery:"-"`
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Inside int `bigquery:"inside"`
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} `bigquery:"anon"`
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}
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|
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type withTagsRepeated struct {
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Repeated []withTags `bigquery:"repeated"`
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RepeatedAnonymous []struct {
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ExcludeTag int `bigquery:"-"`
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Inside int `bigquery:"inside"`
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} `bigquery:"anon"`
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}
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|
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type withTagsEmbedded struct {
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withTags
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}
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|
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var withTagsSchema = Schema{
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reqField("NoTag", "INTEGER"),
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reqField("simple_tag", "INTEGER"),
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reqField("_id", "INTEGER"),
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reqField("MIXEDcase", "INTEGER"),
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{Name: "Nullable", Type: FieldType("INTEGER"), Required: false},
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}
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|
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func TestTagInference(t *testing.T) {
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testCases := []struct {
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in interface{}
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want Schema
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}{
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{
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in: withTags{},
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want: withTagsSchema,
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},
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{
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in: withTagsNested{},
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want: Schema{
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&FieldSchema{
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Name: "nested",
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Required: true,
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Type: "RECORD",
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Schema: withTagsSchema,
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},
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&FieldSchema{
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Name: "anon",
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Required: true,
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Type: "RECORD",
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Schema: Schema{reqField("inside", "INTEGER")},
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},
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},
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},
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{
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in: withTagsRepeated{},
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want: Schema{
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&FieldSchema{
|
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Name: "repeated",
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Repeated: true,
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Type: "RECORD",
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Schema: withTagsSchema,
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},
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&FieldSchema{
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Name: "anon",
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Repeated: true,
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Type: "RECORD",
|
|
Schema: Schema{reqField("inside", "INTEGER")},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
in: withTagsEmbedded{},
|
|
want: withTagsSchema,
|
|
},
|
|
}
|
|
for i, tc := range testCases {
|
|
got, err := InferSchema(tc.in)
|
|
if err != nil {
|
|
t.Fatalf("%d: error inferring TableSchema: %v", i, err)
|
|
}
|
|
if !testutil.Equal(got, tc.want) {
|
|
t.Errorf("%d: inferring TableSchema: got:\n%#v\nwant:\n%#v", i,
|
|
pretty.Value(got), pretty.Value(tc.want))
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestTagInferenceErrors(t *testing.T) {
|
|
testCases := []struct {
|
|
in interface{}
|
|
err error
|
|
}{
|
|
{
|
|
in: struct {
|
|
LongTag int `bigquery:"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxy"`
|
|
}{},
|
|
err: errInvalidFieldName,
|
|
},
|
|
{
|
|
in: struct {
|
|
UnsupporedStartChar int `bigquery:"øab"`
|
|
}{},
|
|
err: errInvalidFieldName,
|
|
},
|
|
{
|
|
in: struct {
|
|
UnsupportedEndChar int `bigquery:"abø"`
|
|
}{},
|
|
err: errInvalidFieldName,
|
|
},
|
|
{
|
|
in: struct {
|
|
UnsupportedMiddleChar int `bigquery:"aøb"`
|
|
}{},
|
|
err: errInvalidFieldName,
|
|
},
|
|
{
|
|
in: struct {
|
|
StartInt int `bigquery:"1abc"`
|
|
}{},
|
|
err: errInvalidFieldName,
|
|
},
|
|
{
|
|
in: struct {
|
|
Hyphens int `bigquery:"a-b"`
|
|
}{},
|
|
err: errInvalidFieldName,
|
|
},
|
|
}
|
|
for i, tc := range testCases {
|
|
want := tc.err
|
|
_, got := InferSchema(tc.in)
|
|
if got != want {
|
|
t.Errorf("%d: inferring TableSchema: got:\n%#v\nwant:\n%#v", i, got, want)
|
|
}
|
|
}
|
|
|
|
_, err := InferSchema(struct {
|
|
X int `bigquery:",optional"`
|
|
}{})
|
|
if err == nil {
|
|
t.Error("got nil, want error")
|
|
}
|
|
}
|
|
|
|
func TestSchemaErrors(t *testing.T) {
|
|
testCases := []struct {
|
|
in interface{}
|
|
err error
|
|
}{
|
|
{
|
|
in: []byte{},
|
|
err: errNoStruct,
|
|
},
|
|
{
|
|
in: new(int),
|
|
err: errNoStruct,
|
|
},
|
|
{
|
|
in: struct{ Uint uint }{},
|
|
err: errUnsupportedFieldType,
|
|
},
|
|
{
|
|
in: struct{ Uint64 uint64 }{},
|
|
err: errUnsupportedFieldType,
|
|
},
|
|
{
|
|
in: struct{ Uintptr uintptr }{},
|
|
err: errUnsupportedFieldType,
|
|
},
|
|
{
|
|
in: struct{ Complex complex64 }{},
|
|
err: errUnsupportedFieldType,
|
|
},
|
|
{
|
|
in: struct{ Map map[string]int }{},
|
|
err: errUnsupportedFieldType,
|
|
},
|
|
{
|
|
in: struct{ Chan chan bool }{},
|
|
err: errUnsupportedFieldType,
|
|
},
|
|
{
|
|
in: struct{ Ptr *int }{},
|
|
err: errNoStruct,
|
|
},
|
|
{
|
|
in: struct{ Interface interface{} }{},
|
|
err: errUnsupportedFieldType,
|
|
},
|
|
{
|
|
in: struct{ MultiDimensional [][]int }{},
|
|
err: errUnsupportedFieldType,
|
|
},
|
|
{
|
|
in: struct{ MultiDimensional [][][]byte }{},
|
|
err: errUnsupportedFieldType,
|
|
},
|
|
{
|
|
in: struct{ ChanSlice []chan bool }{},
|
|
err: errUnsupportedFieldType,
|
|
},
|
|
{
|
|
in: struct{ NestedChan struct{ Chan []chan bool } }{},
|
|
err: errUnsupportedFieldType,
|
|
},
|
|
}
|
|
for _, tc := range testCases {
|
|
want := tc.err
|
|
_, got := InferSchema(tc.in)
|
|
if got != want {
|
|
t.Errorf("%#v: got:\n%#v\nwant:\n%#v", tc.in, got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestHasRecursiveType(t *testing.T) {
|
|
type (
|
|
nonStruct int
|
|
nonRec struct{ A string }
|
|
dup struct{ A, B nonRec }
|
|
rec struct {
|
|
A int
|
|
B *rec
|
|
}
|
|
recUnexported struct {
|
|
A int
|
|
b *rec
|
|
}
|
|
hasRec struct {
|
|
A int
|
|
R *rec
|
|
}
|
|
recSlicePointer struct {
|
|
A []*recSlicePointer
|
|
}
|
|
)
|
|
for _, test := range []struct {
|
|
in interface{}
|
|
want bool
|
|
}{
|
|
{nonStruct(0), false},
|
|
{nonRec{}, false},
|
|
{dup{}, false},
|
|
{rec{}, true},
|
|
{recUnexported{}, false},
|
|
{hasRec{}, true},
|
|
{&recSlicePointer{}, true},
|
|
} {
|
|
got, err := hasRecursiveType(reflect.TypeOf(test.in), nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if got != test.want {
|
|
t.Errorf("%T: got %t, want %t", test.in, got, test.want)
|
|
}
|
|
}
|
|
}
|