pkg/storage: change backend interface to return error (#1131)

Since when storage backend like redis can be fault in many cases, the
interface should return error for the caller to handle.
This commit is contained in:
Cuong Manh Le 2020-07-24 09:02:37 +07:00 committed by GitHub
parent 90d95b8c10
commit aedfbc4c71
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
7 changed files with 108 additions and 69 deletions

View file

@ -7,6 +7,7 @@ import (
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"google.golang.org/protobuf/types/known/anypb"
)
@ -14,12 +15,15 @@ func TestDB(t *testing.T) {
ctx := context.Background()
db := NewDB("example", 2)
t.Run("get missing record", func(t *testing.T) {
assert.Nil(t, db.Get(ctx, "abcd"))
record, err := db.Get(ctx, "abcd")
require.Error(t, err)
assert.Nil(t, record)
})
t.Run("get record", func(t *testing.T) {
data := new(anypb.Any)
assert.NoError(t, db.Put(ctx, "abcd", data))
record := db.Get(ctx, "abcd")
record, err := db.Get(ctx, "abcd")
require.NoError(t, err)
if assert.NotNil(t, record) {
assert.NotNil(t, record.CreatedAt)
assert.Equal(t, data, record.Data)
@ -32,21 +36,26 @@ func TestDB(t *testing.T) {
})
t.Run("delete record", func(t *testing.T) {
assert.NoError(t, db.Delete(ctx, "abcd"))
record := db.Get(ctx, "abcd")
record, err := db.Get(ctx, "abcd")
require.NoError(t, err)
if assert.NotNil(t, record) {
assert.NotNil(t, record.DeletedAt)
}
})
t.Run("clear deleted", func(t *testing.T) {
db.ClearDeleted(ctx, time.Now().Add(time.Second))
assert.Nil(t, db.Get(ctx, "abcd"))
record, err := db.Get(ctx, "abcd")
require.Error(t, err)
assert.Nil(t, record)
})
t.Run("keep remaining", func(t *testing.T) {
data := new(anypb.Any)
assert.NoError(t, db.Put(ctx, "abcd", data))
assert.NoError(t, db.Delete(ctx, "abcd"))
db.ClearDeleted(ctx, time.Now().Add(-10*time.Second))
assert.NotNil(t, db.Get(ctx, "abcd"))
record, err := db.Get(ctx, "abcd")
require.NoError(t, err)
assert.NotNil(t, record)
db.ClearDeleted(ctx, time.Now().Add(time.Second))
})
t.Run("list", func(t *testing.T) {
@ -55,8 +64,14 @@ func TestDB(t *testing.T) {
assert.NoError(t, db.Put(ctx, fmt.Sprintf("%02d", i), data))
}
assert.Len(t, db.List(ctx, ""), 10)
assert.Len(t, db.List(ctx, "00000000000A"), 4)
assert.Len(t, db.List(ctx, "00000000000F"), 0)
records, err := db.List(ctx, "")
require.NoError(t, err)
assert.Len(t, records, 10)
records, err = db.List(ctx, "00000000000A")
require.NoError(t, err)
assert.Len(t, records, 4)
records, err = db.List(ctx, "00000000000F")
require.NoError(t, err)
assert.Len(t, records, 0)
})
}