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

403 lines
11 KiB
Go

// 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 (
"testing"
"time"
"github.com/google/go-cmp/cmp"
"cloud.google.com/go/internal/testutil"
bq "google.golang.org/api/bigquery/v2"
)
func defaultQueryJob() *bq.Job {
return &bq.Job{
JobReference: &bq.JobReference{JobId: "RANDOM", ProjectId: "client-project-id"},
Configuration: &bq.JobConfiguration{
Query: &bq.JobConfigurationQuery{
DestinationTable: &bq.TableReference{
ProjectId: "client-project-id",
DatasetId: "dataset-id",
TableId: "table-id",
},
Query: "query string",
DefaultDataset: &bq.DatasetReference{
ProjectId: "def-project-id",
DatasetId: "def-dataset-id",
},
UseLegacySql: false,
ForceSendFields: []string{"UseLegacySql"},
},
},
}
}
var defaultQuery = &QueryConfig{
Q: "query string",
DefaultProjectID: "def-project-id",
DefaultDatasetID: "def-dataset-id",
}
func TestQuery(t *testing.T) {
defer fixRandomID("RANDOM")()
c := &Client{
projectID: "client-project-id",
}
testCases := []struct {
dst *Table
src *QueryConfig
jobIDConfig JobIDConfig
want *bq.Job
}{
{
dst: c.Dataset("dataset-id").Table("table-id"),
src: defaultQuery,
want: defaultQueryJob(),
},
{
dst: c.Dataset("dataset-id").Table("table-id"),
src: &QueryConfig{
Q: "query string",
Labels: map[string]string{"a": "b"},
DryRun: true,
},
want: func() *bq.Job {
j := defaultQueryJob()
j.Configuration.Labels = map[string]string{"a": "b"}
j.Configuration.DryRun = true
j.Configuration.Query.DefaultDataset = nil
return j
}(),
},
{
dst: c.Dataset("dataset-id").Table("table-id"),
jobIDConfig: JobIDConfig{JobID: "jobID", AddJobIDSuffix: true},
src: &QueryConfig{Q: "query string"},
want: func() *bq.Job {
j := defaultQueryJob()
j.Configuration.Query.DefaultDataset = nil
j.JobReference.JobId = "jobID-RANDOM"
return j
}(),
},
{
dst: &Table{},
src: defaultQuery,
want: func() *bq.Job {
j := defaultQueryJob()
j.Configuration.Query.DestinationTable = nil
return j
}(),
},
{
dst: c.Dataset("dataset-id").Table("table-id"),
src: &QueryConfig{
Q: "query string",
TableDefinitions: map[string]ExternalData{
"atable": func() *GCSReference {
g := NewGCSReference("uri")
g.AllowJaggedRows = true
g.AllowQuotedNewlines = true
g.Compression = Gzip
g.Encoding = UTF_8
g.FieldDelimiter = ";"
g.IgnoreUnknownValues = true
g.MaxBadRecords = 1
g.Quote = "'"
g.SkipLeadingRows = 2
g.Schema = Schema{{Name: "name", Type: StringFieldType}}
return g
}(),
},
},
want: func() *bq.Job {
j := defaultQueryJob()
j.Configuration.Query.DefaultDataset = nil
td := make(map[string]bq.ExternalDataConfiguration)
quote := "'"
td["atable"] = bq.ExternalDataConfiguration{
Compression: "GZIP",
IgnoreUnknownValues: true,
MaxBadRecords: 1,
SourceFormat: "CSV", // must be explicitly set.
SourceUris: []string{"uri"},
CsvOptions: &bq.CsvOptions{
AllowJaggedRows: true,
AllowQuotedNewlines: true,
Encoding: "UTF-8",
FieldDelimiter: ";",
SkipLeadingRows: 2,
Quote: &quote,
},
Schema: &bq.TableSchema{
Fields: []*bq.TableFieldSchema{
{Name: "name", Type: "STRING"},
},
},
}
j.Configuration.Query.TableDefinitions = td
return j
}(),
},
{
dst: &Table{
ProjectID: "project-id",
DatasetID: "dataset-id",
TableID: "table-id",
},
src: &QueryConfig{
Q: "query string",
DefaultProjectID: "def-project-id",
DefaultDatasetID: "def-dataset-id",
CreateDisposition: CreateNever,
WriteDisposition: WriteTruncate,
},
want: func() *bq.Job {
j := defaultQueryJob()
j.Configuration.Query.DestinationTable.ProjectId = "project-id"
j.Configuration.Query.WriteDisposition = "WRITE_TRUNCATE"
j.Configuration.Query.CreateDisposition = "CREATE_NEVER"
return j
}(),
},
{
dst: c.Dataset("dataset-id").Table("table-id"),
src: &QueryConfig{
Q: "query string",
DefaultProjectID: "def-project-id",
DefaultDatasetID: "def-dataset-id",
DisableQueryCache: true,
},
want: func() *bq.Job {
j := defaultQueryJob()
f := false
j.Configuration.Query.UseQueryCache = &f
return j
}(),
},
{
dst: c.Dataset("dataset-id").Table("table-id"),
src: &QueryConfig{
Q: "query string",
DefaultProjectID: "def-project-id",
DefaultDatasetID: "def-dataset-id",
AllowLargeResults: true,
},
want: func() *bq.Job {
j := defaultQueryJob()
j.Configuration.Query.AllowLargeResults = true
return j
}(),
},
{
dst: c.Dataset("dataset-id").Table("table-id"),
src: &QueryConfig{
Q: "query string",
DefaultProjectID: "def-project-id",
DefaultDatasetID: "def-dataset-id",
DisableFlattenedResults: true,
},
want: func() *bq.Job {
j := defaultQueryJob()
f := false
j.Configuration.Query.FlattenResults = &f
j.Configuration.Query.AllowLargeResults = true
return j
}(),
},
{
dst: c.Dataset("dataset-id").Table("table-id"),
src: &QueryConfig{
Q: "query string",
DefaultProjectID: "def-project-id",
DefaultDatasetID: "def-dataset-id",
Priority: QueryPriority("low"),
},
want: func() *bq.Job {
j := defaultQueryJob()
j.Configuration.Query.Priority = "low"
return j
}(),
},
{
dst: c.Dataset("dataset-id").Table("table-id"),
src: &QueryConfig{
Q: "query string",
DefaultProjectID: "def-project-id",
DefaultDatasetID: "def-dataset-id",
MaxBillingTier: 3,
MaxBytesBilled: 5,
},
want: func() *bq.Job {
j := defaultQueryJob()
tier := int64(3)
j.Configuration.Query.MaximumBillingTier = &tier
j.Configuration.Query.MaximumBytesBilled = 5
return j
}(),
},
{
dst: c.Dataset("dataset-id").Table("table-id"),
src: &QueryConfig{
Q: "query string",
DefaultProjectID: "def-project-id",
DefaultDatasetID: "def-dataset-id",
UseStandardSQL: true,
},
want: defaultQueryJob(),
},
{
dst: c.Dataset("dataset-id").Table("table-id"),
src: &QueryConfig{
Q: "query string",
DefaultProjectID: "def-project-id",
DefaultDatasetID: "def-dataset-id",
UseLegacySQL: true,
},
want: func() *bq.Job {
j := defaultQueryJob()
j.Configuration.Query.UseLegacySql = true
j.Configuration.Query.ForceSendFields = nil
return j
}(),
},
}
for i, tc := range testCases {
query := c.Query("")
query.JobIDConfig = tc.jobIDConfig
query.QueryConfig = *tc.src
query.Dst = tc.dst
got, err := query.newJob()
if err != nil {
t.Errorf("#%d: err calling query: %v", i, err)
continue
}
checkJob(t, i, got, tc.want)
// Round-trip.
jc, err := bqToJobConfig(got.Configuration, c)
if err != nil {
t.Fatalf("#%d: %v", i, err)
}
wantConfig := query.QueryConfig
// We set AllowLargeResults to true when DisableFlattenedResults is true.
if wantConfig.DisableFlattenedResults {
wantConfig.AllowLargeResults = true
}
// A QueryConfig with neither UseXXXSQL field set is equivalent
// to one where UseStandardSQL = true.
if !wantConfig.UseLegacySQL && !wantConfig.UseStandardSQL {
wantConfig.UseStandardSQL = true
}
// Treat nil and empty tables the same, and ignore the client.
tableEqual := func(t1, t2 *Table) bool {
if t1 == nil {
t1 = &Table{}
}
if t2 == nil {
t2 = &Table{}
}
return t1.ProjectID == t2.ProjectID && t1.DatasetID == t2.DatasetID && t1.TableID == t2.TableID
}
// A table definition that is a GCSReference round-trips as an ExternalDataConfig.
// TODO(jba): see if there is a way to express this with a transformer.
gcsRefToEDC := func(g *GCSReference) *ExternalDataConfig {
q := g.toBQ()
e, _ := bqToExternalDataConfig(&q)
return e
}
externalDataEqual := func(e1, e2 ExternalData) bool {
if r, ok := e1.(*GCSReference); ok {
e1 = gcsRefToEDC(r)
}
if r, ok := e2.(*GCSReference); ok {
e2 = gcsRefToEDC(r)
}
return cmp.Equal(e1, e2)
}
diff := testutil.Diff(jc.(*QueryConfig), &wantConfig,
cmp.Comparer(tableEqual),
cmp.Comparer(externalDataEqual),
)
if diff != "" {
t.Errorf("#%d: (got=-, want=+:\n%s", i, diff)
}
}
}
func TestConfiguringQuery(t *testing.T) {
c := &Client{
projectID: "project-id",
}
query := c.Query("q")
query.JobID = "ajob"
query.DefaultProjectID = "def-project-id"
query.DefaultDatasetID = "def-dataset-id"
query.TimePartitioning = &TimePartitioning{Expiration: 1234 * time.Second, Field: "f"}
query.DestinationEncryptionConfig = &EncryptionConfig{KMSKeyName: "keyName"}
// Note: Other configuration fields are tested in other tests above.
// A lot of that can be consolidated once Client.Copy is gone.
want := &bq.Job{
Configuration: &bq.JobConfiguration{
Query: &bq.JobConfigurationQuery{
Query: "q",
DefaultDataset: &bq.DatasetReference{
ProjectId: "def-project-id",
DatasetId: "def-dataset-id",
},
UseLegacySql: false,
TimePartitioning: &bq.TimePartitioning{ExpirationMs: 1234000, Field: "f", Type: "DAY"},
DestinationEncryptionConfiguration: &bq.EncryptionConfiguration{KmsKeyName: "keyName"},
ForceSendFields: []string{"UseLegacySql"},
},
},
JobReference: &bq.JobReference{
JobId: "ajob",
ProjectId: "project-id",
},
}
got, err := query.newJob()
if err != nil {
t.Fatalf("err calling Query.newJob: %v", err)
}
if diff := testutil.Diff(got, want); diff != "" {
t.Errorf("querying: -got +want:\n%s", diff)
}
}
func TestQueryLegacySQL(t *testing.T) {
c := &Client{projectID: "project-id"}
q := c.Query("q")
q.UseStandardSQL = true
q.UseLegacySQL = true
_, err := q.newJob()
if err == nil {
t.Error("UseStandardSQL and UseLegacySQL: got nil, want error")
}
q = c.Query("q")
q.Parameters = []QueryParameter{{Name: "p", Value: 3}}
q.UseLegacySQL = true
_, err = q.newJob()
if err == nil {
t.Error("Parameters and UseLegacySQL: got nil, want error")
}
}