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// 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"
"strconv"
"testing"
"golang.org/x/net/context"
itest "google.golang.org/api/iterator/testing"
)
// readServiceStub services read requests by returning data from an in-memory list of values.
type listTablesServiceStub struct {
expectedProject, expectedDataset string
tables []*Table
service
}
func (s *listTablesServiceStub) listTables(ctx context.Context, projectID, datasetID string, pageSize int, pageToken string) ([]*Table, string, error) {
if projectID != s.expectedProject {
return nil, "", errors.New("wrong project id")
}
if datasetID != s.expectedDataset {
return nil, "", errors.New("wrong dataset id")
}
const maxPageSize = 2
if pageSize <= 0 || pageSize > maxPageSize {
pageSize = maxPageSize
}
start := 0
if pageToken != "" {
var err error
start, err = strconv.Atoi(pageToken)
if err != nil {
return nil, "", err
}
}
end := start + pageSize
if end > len(s.tables) {
end = len(s.tables)
}
nextPageToken := ""
if end < len(s.tables) {
nextPageToken = strconv.Itoa(end)
}
return s.tables[start:end], nextPageToken, nil
}
func TestTables(t *testing.T) {
t1 := &Table{ProjectID: "p1", DatasetID: "d1", TableID: "t1"}
t2 := &Table{ProjectID: "p1", DatasetID: "d1", TableID: "t2"}
t3 := &Table{ProjectID: "p1", DatasetID: "d1", TableID: "t3"}
allTables := []*Table{t1, t2, t3}
c := &Client{
service: &listTablesServiceStub{
expectedProject: "x",
expectedDataset: "y",
tables: allTables,
},
projectID: "x",
}
msg, ok := itest.TestIterator(allTables,
func() interface{} { return c.Dataset("y").Tables(context.Background()) },
func(it interface{}) (interface{}, error) { return it.(*TableIterator).Next() })
if !ok {
t.Error(msg)
}
}
type listDatasetsFake struct {
service
projectID string
datasets []*Dataset
hidden map[*Dataset]bool
}
func (df *listDatasetsFake) listDatasets(_ context.Context, projectID string, pageSize int, pageToken string, listHidden bool, filter string) ([]*Dataset, string, error) {
const maxPageSize = 2
if pageSize <= 0 || pageSize > maxPageSize {
pageSize = maxPageSize
}
if filter != "" {
return nil, "", errors.New("filter not supported")
}
if projectID != df.projectID {
return nil, "", errors.New("bad project ID")
}
start := 0
if pageToken != "" {
var err error
start, err = strconv.Atoi(pageToken)
if err != nil {
return nil, "", err
}
}
var (
i int
result []*Dataset
nextPageToken string
)
for i = start; len(result) < pageSize && i < len(df.datasets); i++ {
if df.hidden[df.datasets[i]] && !listHidden {
continue
}
result = append(result, df.datasets[i])
}
if i < len(df.datasets) {
nextPageToken = strconv.Itoa(i)
}
return result, nextPageToken, nil
}
func TestDatasets(t *testing.T) {
service := &listDatasetsFake{projectID: "p"}
client := &Client{service: service}
datasets := []*Dataset{
{"p", "a", client},
{"p", "b", client},
{"p", "hidden", client},
{"p", "c", client},
}
service.datasets = datasets
service.hidden = map[*Dataset]bool{datasets[2]: true}
c := &Client{
projectID: "p",
service: service,
}
msg, ok := itest.TestIterator(datasets,
func() interface{} { it := c.Datasets(context.Background()); it.ListHidden = true; return it },
func(it interface{}) (interface{}, error) { return it.(*DatasetIterator).Next() })
if !ok {
t.Fatalf("ListHidden=true: %s", msg)
}
msg, ok = itest.TestIterator([]*Dataset{datasets[0], datasets[1], datasets[3]},
func() interface{} { it := c.Datasets(context.Background()); it.ListHidden = false; return it },
func(it interface{}) (interface{}, error) { return it.(*DatasetIterator).Next() })
if !ok {
t.Fatalf("ListHidden=false: %s", msg)
}
}
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