403 lines
11 KiB
Go
403 lines
11 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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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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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 defaultQueryJob() *bq.Job {
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return &bq.Job{
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JobReference: &bq.JobReference{JobId: "RANDOM", ProjectId: "client-project-id"},
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Configuration: &bq.JobConfiguration{
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Query: &bq.JobConfigurationQuery{
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DestinationTable: &bq.TableReference{
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ProjectId: "client-project-id",
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DatasetId: "dataset-id",
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TableId: "table-id",
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},
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Query: "query string",
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DefaultDataset: &bq.DatasetReference{
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ProjectId: "def-project-id",
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DatasetId: "def-dataset-id",
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},
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UseLegacySql: false,
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ForceSendFields: []string{"UseLegacySql"},
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},
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},
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}
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}
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var defaultQuery = &QueryConfig{
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Q: "query string",
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DefaultProjectID: "def-project-id",
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DefaultDatasetID: "def-dataset-id",
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}
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func TestQuery(t *testing.T) {
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defer fixRandomID("RANDOM")()
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c := &Client{
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projectID: "client-project-id",
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}
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testCases := []struct {
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dst *Table
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src *QueryConfig
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jobIDConfig JobIDConfig
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want *bq.Job
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}{
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{
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dst: c.Dataset("dataset-id").Table("table-id"),
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src: defaultQuery,
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want: defaultQueryJob(),
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},
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{
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dst: c.Dataset("dataset-id").Table("table-id"),
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src: &QueryConfig{
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Q: "query string",
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Labels: map[string]string{"a": "b"},
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DryRun: true,
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},
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want: func() *bq.Job {
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j := defaultQueryJob()
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j.Configuration.Labels = map[string]string{"a": "b"}
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j.Configuration.DryRun = true
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j.Configuration.Query.DefaultDataset = nil
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return j
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}(),
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},
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{
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dst: c.Dataset("dataset-id").Table("table-id"),
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jobIDConfig: JobIDConfig{JobID: "jobID", AddJobIDSuffix: true},
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src: &QueryConfig{Q: "query string"},
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want: func() *bq.Job {
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j := defaultQueryJob()
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j.Configuration.Query.DefaultDataset = nil
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j.JobReference.JobId = "jobID-RANDOM"
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return j
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}(),
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},
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{
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dst: &Table{},
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src: defaultQuery,
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want: func() *bq.Job {
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j := defaultQueryJob()
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j.Configuration.Query.DestinationTable = nil
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return j
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}(),
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},
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{
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dst: c.Dataset("dataset-id").Table("table-id"),
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src: &QueryConfig{
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Q: "query string",
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TableDefinitions: map[string]ExternalData{
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"atable": func() *GCSReference {
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g := NewGCSReference("uri")
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g.AllowJaggedRows = true
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g.AllowQuotedNewlines = true
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g.Compression = Gzip
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g.Encoding = UTF_8
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g.FieldDelimiter = ";"
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g.IgnoreUnknownValues = true
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g.MaxBadRecords = 1
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g.Quote = "'"
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g.SkipLeadingRows = 2
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g.Schema = Schema{{Name: "name", Type: StringFieldType}}
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return g
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}(),
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},
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},
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want: func() *bq.Job {
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j := defaultQueryJob()
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j.Configuration.Query.DefaultDataset = nil
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td := make(map[string]bq.ExternalDataConfiguration)
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quote := "'"
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td["atable"] = bq.ExternalDataConfiguration{
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Compression: "GZIP",
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IgnoreUnknownValues: true,
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MaxBadRecords: 1,
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SourceFormat: "CSV", // must be explicitly set.
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SourceUris: []string{"uri"},
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CsvOptions: &bq.CsvOptions{
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AllowJaggedRows: true,
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AllowQuotedNewlines: true,
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Encoding: "UTF-8",
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FieldDelimiter: ";",
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SkipLeadingRows: 2,
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Quote: "e,
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},
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Schema: &bq.TableSchema{
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Fields: []*bq.TableFieldSchema{
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{Name: "name", Type: "STRING"},
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},
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},
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}
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j.Configuration.Query.TableDefinitions = td
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return j
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}(),
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},
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{
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dst: &Table{
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ProjectID: "project-id",
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DatasetID: "dataset-id",
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TableID: "table-id",
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},
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src: &QueryConfig{
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Q: "query string",
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DefaultProjectID: "def-project-id",
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DefaultDatasetID: "def-dataset-id",
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CreateDisposition: CreateNever,
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WriteDisposition: WriteTruncate,
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},
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want: func() *bq.Job {
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j := defaultQueryJob()
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j.Configuration.Query.DestinationTable.ProjectId = "project-id"
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j.Configuration.Query.WriteDisposition = "WRITE_TRUNCATE"
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j.Configuration.Query.CreateDisposition = "CREATE_NEVER"
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return j
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}(),
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},
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{
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dst: c.Dataset("dataset-id").Table("table-id"),
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src: &QueryConfig{
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Q: "query string",
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DefaultProjectID: "def-project-id",
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DefaultDatasetID: "def-dataset-id",
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DisableQueryCache: true,
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},
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want: func() *bq.Job {
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j := defaultQueryJob()
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f := false
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j.Configuration.Query.UseQueryCache = &f
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return j
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}(),
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},
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{
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dst: c.Dataset("dataset-id").Table("table-id"),
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src: &QueryConfig{
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Q: "query string",
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DefaultProjectID: "def-project-id",
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DefaultDatasetID: "def-dataset-id",
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AllowLargeResults: true,
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},
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want: func() *bq.Job {
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j := defaultQueryJob()
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j.Configuration.Query.AllowLargeResults = true
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return j
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}(),
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},
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{
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dst: c.Dataset("dataset-id").Table("table-id"),
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src: &QueryConfig{
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Q: "query string",
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DefaultProjectID: "def-project-id",
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DefaultDatasetID: "def-dataset-id",
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DisableFlattenedResults: true,
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},
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want: func() *bq.Job {
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j := defaultQueryJob()
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f := false
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j.Configuration.Query.FlattenResults = &f
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j.Configuration.Query.AllowLargeResults = true
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return j
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}(),
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},
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{
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dst: c.Dataset("dataset-id").Table("table-id"),
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src: &QueryConfig{
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Q: "query string",
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DefaultProjectID: "def-project-id",
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DefaultDatasetID: "def-dataset-id",
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Priority: QueryPriority("low"),
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},
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want: func() *bq.Job {
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j := defaultQueryJob()
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j.Configuration.Query.Priority = "low"
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return j
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}(),
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},
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{
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dst: c.Dataset("dataset-id").Table("table-id"),
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src: &QueryConfig{
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Q: "query string",
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DefaultProjectID: "def-project-id",
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DefaultDatasetID: "def-dataset-id",
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MaxBillingTier: 3,
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MaxBytesBilled: 5,
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},
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want: func() *bq.Job {
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j := defaultQueryJob()
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tier := int64(3)
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j.Configuration.Query.MaximumBillingTier = &tier
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j.Configuration.Query.MaximumBytesBilled = 5
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return j
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}(),
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},
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{
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dst: c.Dataset("dataset-id").Table("table-id"),
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src: &QueryConfig{
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Q: "query string",
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DefaultProjectID: "def-project-id",
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DefaultDatasetID: "def-dataset-id",
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UseStandardSQL: true,
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},
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want: defaultQueryJob(),
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},
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{
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dst: c.Dataset("dataset-id").Table("table-id"),
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src: &QueryConfig{
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Q: "query string",
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DefaultProjectID: "def-project-id",
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DefaultDatasetID: "def-dataset-id",
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UseLegacySQL: true,
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},
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want: func() *bq.Job {
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j := defaultQueryJob()
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j.Configuration.Query.UseLegacySql = true
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j.Configuration.Query.ForceSendFields = nil
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return j
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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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query := c.Query("")
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query.JobIDConfig = tc.jobIDConfig
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query.QueryConfig = *tc.src
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query.Dst = tc.dst
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got, err := query.newJob()
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if err != nil {
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t.Errorf("#%d: err calling query: %v", i, err)
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continue
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}
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checkJob(t, i, got, tc.want)
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// Round-trip.
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jc, err := bqToJobConfig(got.Configuration, c)
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if err != nil {
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t.Fatalf("#%d: %v", i, err)
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}
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wantConfig := query.QueryConfig
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// We set AllowLargeResults to true when DisableFlattenedResults is true.
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if wantConfig.DisableFlattenedResults {
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wantConfig.AllowLargeResults = true
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}
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// A QueryConfig with neither UseXXXSQL field set is equivalent
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// to one where UseStandardSQL = true.
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if !wantConfig.UseLegacySQL && !wantConfig.UseStandardSQL {
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wantConfig.UseStandardSQL = true
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}
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// Treat nil and empty tables the same, and ignore the client.
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tableEqual := func(t1, t2 *Table) bool {
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if t1 == nil {
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t1 = &Table{}
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}
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if t2 == nil {
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t2 = &Table{}
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}
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return t1.ProjectID == t2.ProjectID && t1.DatasetID == t2.DatasetID && t1.TableID == t2.TableID
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}
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// A table definition that is a GCSReference round-trips as an ExternalDataConfig.
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// TODO(jba): see if there is a way to express this with a transformer.
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gcsRefToEDC := func(g *GCSReference) *ExternalDataConfig {
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q := g.toBQ()
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e, _ := bqToExternalDataConfig(&q)
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return e
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}
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externalDataEqual := func(e1, e2 ExternalData) bool {
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if r, ok := e1.(*GCSReference); ok {
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e1 = gcsRefToEDC(r)
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}
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if r, ok := e2.(*GCSReference); ok {
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e2 = gcsRefToEDC(r)
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}
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return cmp.Equal(e1, e2)
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}
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diff := testutil.Diff(jc.(*QueryConfig), &wantConfig,
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cmp.Comparer(tableEqual),
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cmp.Comparer(externalDataEqual),
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)
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if diff != "" {
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t.Errorf("#%d: (got=-, want=+:\n%s", i, diff)
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}
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}
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}
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func TestConfiguringQuery(t *testing.T) {
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c := &Client{
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projectID: "project-id",
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}
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query := c.Query("q")
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query.JobID = "ajob"
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query.DefaultProjectID = "def-project-id"
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query.DefaultDatasetID = "def-dataset-id"
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query.TimePartitioning = &TimePartitioning{Expiration: 1234 * time.Second, Field: "f"}
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query.DestinationEncryptionConfig = &EncryptionConfig{KMSKeyName: "keyName"}
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// Note: Other configuration fields are tested in other tests above.
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// A lot of that can be consolidated once Client.Copy is gone.
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want := &bq.Job{
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Configuration: &bq.JobConfiguration{
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Query: &bq.JobConfigurationQuery{
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Query: "q",
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DefaultDataset: &bq.DatasetReference{
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ProjectId: "def-project-id",
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DatasetId: "def-dataset-id",
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},
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UseLegacySql: false,
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TimePartitioning: &bq.TimePartitioning{ExpirationMs: 1234000, Field: "f", Type: "DAY"},
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DestinationEncryptionConfiguration: &bq.EncryptionConfiguration{KmsKeyName: "keyName"},
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ForceSendFields: []string{"UseLegacySql"},
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},
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},
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JobReference: &bq.JobReference{
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JobId: "ajob",
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ProjectId: "project-id",
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},
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}
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got, err := query.newJob()
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if err != nil {
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t.Fatalf("err calling Query.newJob: %v", err)
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}
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if diff := testutil.Diff(got, want); diff != "" {
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t.Errorf("querying: -got +want:\n%s", diff)
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}
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}
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func TestQueryLegacySQL(t *testing.T) {
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c := &Client{projectID: "project-id"}
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q := c.Query("q")
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q.UseStandardSQL = true
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q.UseLegacySQL = true
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_, err := q.newJob()
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if err == nil {
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t.Error("UseStandardSQL and UseLegacySQL: got nil, want error")
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}
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q = c.Query("q")
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q.Parameters = []QueryParameter{{Name: "p", Value: 3}}
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q.UseLegacySQL = true
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_, err = q.newJob()
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if err == nil {
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t.Error("Parameters and UseLegacySQL: got nil, want error")
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}
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}
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