mirror of
https://github.com/restic/restic.git
synced 2024-12-26 01:37:12 +00:00
263 lines
6.8 KiB
Go
263 lines
6.8 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 (
|
|
"errors"
|
|
"testing"
|
|
|
|
"github.com/google/go-cmp/cmp"
|
|
|
|
"cloud.google.com/go/internal/testutil"
|
|
|
|
"golang.org/x/net/context"
|
|
bq "google.golang.org/api/bigquery/v2"
|
|
"google.golang.org/api/iterator"
|
|
)
|
|
|
|
type readTabledataArgs struct {
|
|
conf *readTableConf
|
|
tok string
|
|
}
|
|
|
|
// readServiceStub services read requests by returning data from an in-memory list of values.
|
|
type readServiceStub struct {
|
|
// values and pageTokens are used as sources of data to return in response to calls to readTabledata or readQuery.
|
|
values [][][]Value // contains pages / rows / columns.
|
|
pageTokens map[string]string // maps incoming page token to returned page token.
|
|
|
|
// arguments are recorded for later inspection.
|
|
readTabledataCalls []readTabledataArgs
|
|
|
|
service
|
|
}
|
|
|
|
func (s *readServiceStub) readValues(tok string) *readDataResult {
|
|
result := &readDataResult{
|
|
pageToken: s.pageTokens[tok],
|
|
rows: s.values[0],
|
|
}
|
|
s.values = s.values[1:]
|
|
|
|
return result
|
|
}
|
|
|
|
func (s *readServiceStub) waitForQuery(ctx context.Context, projectID, jobID string) (Schema, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (s *readServiceStub) readTabledata(ctx context.Context, conf *readTableConf, token string) (*readDataResult, error) {
|
|
s.readTabledataCalls = append(s.readTabledataCalls, readTabledataArgs{conf, token})
|
|
return s.readValues(token), nil
|
|
}
|
|
|
|
func TestRead(t *testing.T) {
|
|
// The data for the service stub to return is populated for each test case in the testCases for loop.
|
|
ctx := context.Background()
|
|
service := &readServiceStub{}
|
|
c := &Client{
|
|
projectID: "project-id",
|
|
service: service,
|
|
}
|
|
|
|
queryJob := &Job{
|
|
projectID: "project-id",
|
|
jobID: "job-id",
|
|
c: c,
|
|
isQuery: true,
|
|
destinationTable: &bq.TableReference{
|
|
ProjectId: "project-id",
|
|
DatasetId: "dataset-id",
|
|
TableId: "table-id",
|
|
},
|
|
}
|
|
|
|
for _, readFunc := range []func() *RowIterator{
|
|
func() *RowIterator {
|
|
return c.Dataset("dataset-id").Table("table-id").Read(ctx)
|
|
},
|
|
func() *RowIterator {
|
|
it, err := queryJob.Read(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
return it
|
|
},
|
|
} {
|
|
testCases := []struct {
|
|
data [][][]Value
|
|
pageTokens map[string]string
|
|
want [][]Value
|
|
}{
|
|
{
|
|
data: [][][]Value{{{1, 2}, {11, 12}}, {{30, 40}, {31, 41}}},
|
|
pageTokens: map[string]string{"": "a", "a": ""},
|
|
want: [][]Value{{1, 2}, {11, 12}, {30, 40}, {31, 41}},
|
|
},
|
|
{
|
|
data: [][][]Value{{{1, 2}, {11, 12}}, {{30, 40}, {31, 41}}},
|
|
pageTokens: map[string]string{"": ""}, // no more pages after first one.
|
|
want: [][]Value{{1, 2}, {11, 12}},
|
|
},
|
|
}
|
|
for _, tc := range testCases {
|
|
service.values = tc.data
|
|
service.pageTokens = tc.pageTokens
|
|
if got, ok := collectValues(t, readFunc()); ok {
|
|
if !testutil.Equal(got, tc.want) {
|
|
t.Errorf("reading: got:\n%v\nwant:\n%v", got, tc.want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func collectValues(t *testing.T, it *RowIterator) ([][]Value, bool) {
|
|
var got [][]Value
|
|
for {
|
|
var vals []Value
|
|
err := it.Next(&vals)
|
|
if err == iterator.Done {
|
|
break
|
|
}
|
|
if err != nil {
|
|
t.Errorf("err calling Next: %v", err)
|
|
return nil, false
|
|
}
|
|
got = append(got, vals)
|
|
}
|
|
return got, true
|
|
}
|
|
|
|
func TestNoMoreValues(t *testing.T) {
|
|
c := &Client{
|
|
projectID: "project-id",
|
|
service: &readServiceStub{
|
|
values: [][][]Value{{{1, 2}, {11, 12}}},
|
|
},
|
|
}
|
|
it := c.Dataset("dataset-id").Table("table-id").Read(context.Background())
|
|
var vals []Value
|
|
// We expect to retrieve two values and then fail on the next attempt.
|
|
if err := it.Next(&vals); err != nil {
|
|
t.Fatalf("Next: got: %v: want: nil", err)
|
|
}
|
|
if err := it.Next(&vals); err != nil {
|
|
t.Fatalf("Next: got: %v: want: nil", err)
|
|
}
|
|
if err := it.Next(&vals); err != iterator.Done {
|
|
t.Fatalf("Next: got: %v: want: iterator.Done", err)
|
|
}
|
|
}
|
|
|
|
type errorReadService struct {
|
|
service
|
|
}
|
|
|
|
var errBang = errors.New("bang!")
|
|
|
|
func (s *errorReadService) readTabledata(ctx context.Context, conf *readTableConf, token string) (*readDataResult, error) {
|
|
return nil, errBang
|
|
}
|
|
|
|
func TestReadError(t *testing.T) {
|
|
// test that service read errors are propagated back to the caller.
|
|
c := &Client{
|
|
projectID: "project-id",
|
|
service: &errorReadService{},
|
|
}
|
|
it := c.Dataset("dataset-id").Table("table-id").Read(context.Background())
|
|
var vals []Value
|
|
if err := it.Next(&vals); err != errBang {
|
|
t.Fatalf("Get: got: %v: want: %v", err, errBang)
|
|
}
|
|
}
|
|
|
|
func TestReadTabledataOptions(t *testing.T) {
|
|
// test that read options are propagated.
|
|
s := &readServiceStub{
|
|
values: [][][]Value{{{1, 2}}},
|
|
}
|
|
c := &Client{
|
|
projectID: "project-id",
|
|
service: s,
|
|
}
|
|
it := c.Dataset("dataset-id").Table("table-id").Read(context.Background())
|
|
it.PageInfo().MaxSize = 5
|
|
var vals []Value
|
|
if err := it.Next(&vals); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := []readTabledataArgs{{
|
|
conf: &readTableConf{
|
|
projectID: "project-id",
|
|
datasetID: "dataset-id",
|
|
tableID: "table-id",
|
|
paging: pagingConf{
|
|
recordsPerRequest: 5,
|
|
setRecordsPerRequest: true,
|
|
},
|
|
},
|
|
tok: "",
|
|
}}
|
|
|
|
if !testutil.Equal(s.readTabledataCalls, want, cmp.AllowUnexported(readTabledataArgs{}, readTableConf{}, pagingConf{})) {
|
|
t.Errorf("reading: got:\n%v\nwant:\n%v", s.readTabledataCalls, want)
|
|
}
|
|
}
|
|
|
|
func TestReadQueryOptions(t *testing.T) {
|
|
// test that read options are propagated.
|
|
s := &readServiceStub{
|
|
values: [][][]Value{{{1, 2}}},
|
|
}
|
|
queryJob := &Job{
|
|
projectID: "project-id",
|
|
jobID: "job-id",
|
|
c: &Client{service: s},
|
|
isQuery: true,
|
|
destinationTable: &bq.TableReference{
|
|
ProjectId: "project-id",
|
|
DatasetId: "dataset-id",
|
|
TableId: "table-id",
|
|
},
|
|
}
|
|
it, err := queryJob.Read(context.Background())
|
|
if err != nil {
|
|
t.Fatalf("err calling Read: %v", err)
|
|
}
|
|
it.PageInfo().MaxSize = 5
|
|
var vals []Value
|
|
if err := it.Next(&vals); err != nil {
|
|
t.Fatalf("Next: got: %v: want: nil", err)
|
|
}
|
|
|
|
want := []readTabledataArgs{{
|
|
conf: &readTableConf{
|
|
projectID: "project-id",
|
|
datasetID: "dataset-id",
|
|
tableID: "table-id",
|
|
paging: pagingConf{
|
|
recordsPerRequest: 5,
|
|
setRecordsPerRequest: true,
|
|
},
|
|
},
|
|
tok: "",
|
|
}}
|
|
|
|
if !testutil.Equal(s.readTabledataCalls, want, cmp.AllowUnexported(readTabledataArgs{}, readTableConf{}, pagingConf{})) {
|
|
t.Errorf("reading: got:\n%v\nwant:\n%v", s.readTabledataCalls, want)
|
|
}
|
|
}
|