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pool_test.go
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pool_test.go
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package spool
import (
"context"
"io/ioutil"
"os"
"testing"
"cloud.google.com/go/spanner"
"github.com/cloudspannerecosystem/spool/model"
)
func newPool(ctx context.Context, t *testing.T, ddl []byte) *Pool {
t.Helper()
pool, err := NewPool(ctx, testConf.Config(), ddl)
if err != nil {
t.Fatal(err)
}
return pool
}
func TestPool_Create(t *testing.T) {
ctx := context.Background()
client, truncate := connect(ctx, t, testConf.Config())
defer truncate()
pool := newPool(ctx, t, ddl1)
sdb, err := pool.Create(ctx, testConf.DatabaseNamePrefix)
if err != nil {
t.Fatal(err)
}
if _, err := model.FindSpoolDatabase(ctx, client.Single(), sdb.DatabaseName); err != nil {
t.Error(err)
}
}
func TestPool_Get(t *testing.T) {
ctx := context.Background()
client, truncate := connect(ctx, t, testConf.Config())
defer truncate()
pool := newPool(ctx, t, ddl1)
sdb := &model.SpoolDatabase{
DatabaseName: "zoncoen-spool-test",
Checksum: checksum(ddl1),
State: StateIdle.Int64(),
CreatedAt: spanner.CommitTimestamp,
UpdatedAt: spanner.CommitTimestamp,
}
if _, err := client.Apply(ctx, []*spanner.Mutation{sdb.Insert(ctx)}); err != nil {
t.Fatalf("failed to setup fixture: %s", err)
}
t.Run("not found (no database for the schema)", func(t *testing.T) {
pool2 := newPool(ctx, t, ddl2)
if _, err := pool2.Get(ctx); err != nil {
if !isErrNotFound(err) {
t.Fatal(err)
}
} else {
t.Fatal("should not get another schema database")
}
})
t.Run("found", func(t *testing.T) {
if _, err := pool.Get(ctx); err != nil {
t.Fatal(err)
}
})
t.Run("not found (already used)", func(t *testing.T) {
if _, err := pool.Get(ctx); err != nil {
if !isErrNotFound(err) {
t.Fatal(err)
}
} else {
t.Fatal("should not get busy database")
}
})
}
func TestPool_GetOrCreate(t *testing.T) {
ctx := context.Background()
client, truncate := connect(ctx, t, testConf.Config())
defer truncate()
pool := newPool(ctx, t, ddl1)
sdb := &model.SpoolDatabase{
DatabaseName: "zoncoen-spool-test",
Checksum: checksum(ddl1),
State: StateIdle.Int64(),
CreatedAt: spanner.CommitTimestamp,
UpdatedAt: spanner.CommitTimestamp,
}
if _, err := client.Apply(ctx, []*spanner.Mutation{sdb.Insert(ctx)}); err != nil {
t.Fatalf("failed to setup fixture: %s", err)
}
t.Run("get", func(t *testing.T) {
got, err := pool.GetOrCreate(ctx, testConf.DatabaseNamePrefix)
if err != nil {
t.Fatal(err)
}
if got.DatabaseName != sdb.DatabaseName {
t.Errorf("expected %s but got %s", sdb.DatabaseName, got.DatabaseName)
}
})
t.Run("create", func(t *testing.T) {
got, err := pool.GetOrCreate(ctx, testConf.DatabaseNamePrefix)
if err != nil {
t.Fatal(err)
}
if got.DatabaseName == sdb.DatabaseName {
t.Error("should not get busy database")
}
})
}
func TestPool_List(t *testing.T) {
ctx := context.Background()
client, truncate := connect(ctx, t, testConf.Config())
defer truncate()
pool := newPool(ctx, t, ddl1)
sdb1 := &model.SpoolDatabase{
DatabaseName: "zoncoen-spool-test-1",
Checksum: checksum(ddl1),
State: StateIdle.Int64(),
CreatedAt: spanner.CommitTimestamp,
UpdatedAt: spanner.CommitTimestamp,
}
sdb2 := &model.SpoolDatabase{
DatabaseName: "zoncoen-spool-test-2",
Checksum: checksum(ddl2),
State: StateIdle.Int64(),
CreatedAt: spanner.CommitTimestamp,
UpdatedAt: spanner.CommitTimestamp,
}
if _, err := client.Apply(ctx, []*spanner.Mutation{sdb1.Insert(ctx), sdb2.Insert(ctx)}); err != nil {
t.Fatalf("failed to setup fixture: %s", err)
}
sdbs, err := pool.List(ctx)
if err != nil {
t.Fatal(err)
}
if len(sdbs) != 1 {
t.Fatalf("expected 1 but gut %d", len(sdbs))
}
if sdbs[0].DatabaseName != sdb1.DatabaseName {
t.Errorf("expected %s but got %s", sdb1.DatabaseName, sdbs[0].DatabaseName)
}
}
func TestPool_Put(t *testing.T) {
ctx := context.Background()
client, truncate := connect(ctx, t, testConf.Config())
defer truncate()
pool := newPool(ctx, t, ddl1)
sdb := &model.SpoolDatabase{
DatabaseName: "zoncoen-spool-test",
Checksum: checksum(ddl1),
State: StateBusy.Int64(),
CreatedAt: spanner.CommitTimestamp,
UpdatedAt: spanner.CommitTimestamp,
}
if _, err := client.Apply(ctx, []*spanner.Mutation{sdb.Insert(ctx)}); err != nil {
t.Fatalf("failed to setup fixture: %s", err)
}
if err := pool.Put(ctx, sdb.DatabaseName); err != nil {
t.Fatal(err)
}
got, err := model.FindSpoolDatabase(ctx, client.Single(), sdb.DatabaseName)
if err != nil {
t.Error(err)
}
if state := State(got.State); state != StateIdle {
t.Errorf("expected %s but got %s", StateIdle, state)
}
}
func TestPool_Clean(t *testing.T) {
ctx := context.Background()
client, truncate := connect(ctx, t, testConf.Config())
defer truncate()
pool := newPool(ctx, t, ddl1)
sdb1 := &model.SpoolDatabase{
DatabaseName: "zoncoen-spool-test-1",
Checksum: checksum(ddl1),
State: StateIdle.Int64(),
CreatedAt: spanner.CommitTimestamp,
UpdatedAt: spanner.CommitTimestamp,
}
sdb2 := &model.SpoolDatabase{
DatabaseName: "zoncoen-spool-test-2",
Checksum: checksum(ddl2),
State: StateIdle.Int64(),
CreatedAt: spanner.CommitTimestamp,
UpdatedAt: spanner.CommitTimestamp,
}
if _, err := client.Apply(ctx, []*spanner.Mutation{sdb1.Insert(ctx), sdb2.Insert(ctx)}); err != nil {
t.Fatalf("failed to setup fixture: %s", err)
}
if err := pool.Clean(ctx); err != nil {
t.Fatal(err)
}
t.Run("should be deleted", func(t *testing.T) {
if _, err := model.FindSpoolDatabase(ctx, client.Single(), sdb1.DatabaseName); err != nil {
if !isErrNotFound(err) {
t.Fatal(err)
}
} else {
t.Fatal("should be deleted")
}
})
t.Run("another schema database should not be deleted", func(t *testing.T) {
if _, err := model.FindSpoolDatabase(ctx, client.Single(), sdb2.DatabaseName); err != nil {
t.Fatal(err)
}
})
}
func readFile(filepath string) ([]byte, error) {
f, err := os.Open(filepath)
if err != nil {
return nil, err
}
b, err := ioutil.ReadAll(f)
if err != nil {
return nil, err
}
return b, nil
}