go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/server/tq/txn/spanner/main_test.go (about)

     1  // Copyright 2021 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package spanner
    16  
    17  import (
    18  	"context"
    19  	"os"
    20  	"path/filepath"
    21  	"testing"
    22  
    23  	"cloud.google.com/go/spanner"
    24  
    25  	"go.chromium.org/luci/common/errors"
    26  	"go.chromium.org/luci/common/spantest"
    27  )
    28  
    29  func TestMain(m *testing.M) {
    30  	spantest.SpannerTestMain(m, findInitScript)
    31  }
    32  
    33  // findInitScript returns path //tq/txn/spanner/init_db.sql.
    34  func findInitScript() (string, error) {
    35  	ancestor, err := filepath.Abs(".")
    36  	if err != nil {
    37  		return "", err
    38  	}
    39  
    40  	for {
    41  		scriptPath := filepath.Join(ancestor, "init_db.sql")
    42  		_, err := os.Stat(scriptPath)
    43  		if os.IsNotExist(err) {
    44  			parent := filepath.Dir(ancestor)
    45  			if parent == ancestor {
    46  				return "", errors.Reason("init_db.sql not found").Err()
    47  			}
    48  			ancestor = parent
    49  			continue
    50  		}
    51  
    52  		return scriptPath, err
    53  	}
    54  }
    55  
    56  // cleanupDatabase deletes all data from all tables.
    57  func cleanupDatabase(ctx context.Context, client *spanner.Client) error {
    58  	_, err := client.Apply(ctx, []*spanner.Mutation{
    59  		spanner.Delete("TQReminders", spanner.AllKeys()),
    60  		spanner.Delete("TQLeases", spanner.AllKeys()),
    61  	})
    62  	return err
    63  }