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package redistool
import (
"context"
"errors"
"testing"
"time"
"github.com/golang/mock/gomock"
rmock "github.com/redis/rueidis/mock"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/cluster-integration/gitlab-agent/v16/internal/tool/testing/matcher"
"gitlab.com/gitlab-org/cluster-integration/gitlab-agent/v16/internal/tool/testing/mock_tool"
"go.uber.org/zap/zaptest"
)
const (
errKey = "test1"
)
func TestErrCacher_GetError_ReturnsNilOnClientError(t *testing.T) {
ec, client, rep := setupNormal(t)
client.EXPECT().
Do(gomock.Any(), rmock.Match("GET", errKey)).
Return(rmock.ErrorResult(errors.New("boom")))
rep.EXPECT().
HandleProcessingError(gomock.Any(), gomock.Any(), "Failed to get cached error from Redis", matcher.ErrorEq("boom"))
err := ec.GetError(context.Background(), errKey)
require.NoError(t, err)
}
func TestErrCacher_GetError_ReturnsNilOnClientNil(t *testing.T) {
ec, client, _ := setupNormal(t)
client.EXPECT().
Do(gomock.Any(), rmock.Match("GET", errKey)).
Return(rmock.Result(rmock.RedisNil()))
err := ec.GetError(context.Background(), errKey)
require.NoError(t, err)
}
func TestErrCacher_GetError_ReturnsNilOnEmptyResponse(t *testing.T) {
ec, client, _ := setupNormal(t)
client.EXPECT().
Do(gomock.Any(), rmock.Match("GET", errKey)).
Return(rmock.Result(rmock.RedisString("")))
err := ec.GetError(context.Background(), errKey)
require.NoError(t, err)
}
func TestErrCacher_GetError_ReturnsNilOnUnmarshalFail(t *testing.T) {
ec, client, rep := setupError(t)
client.EXPECT().
Do(gomock.Any(), rmock.Match("GET", errKey)).
Return(rmock.Result(rmock.RedisString("boom")))
rep.EXPECT().
HandleProcessingError(gomock.Any(), gomock.Any(), "Failed to unmarshal cached error", matcher.ErrorEq("unmarshal error"))
err := ec.GetError(context.Background(), errKey)
require.NoError(t, err)
}
func TestErrCacher_GetError_ReturnsCachedError(t *testing.T) {
ec, client, _ := setupNormal(t)
client.EXPECT().
Do(gomock.Any(), rmock.Match("GET", errKey)).
Return(rmock.Result(rmock.RedisString("boom")))
err := ec.GetError(context.Background(), errKey)
require.EqualError(t, err, "boom")
}
func TestErrCacher_CacheError_HappyPath(t *testing.T) {
ec, client, _ := setupNormal(t)
client.EXPECT().
Do(gomock.Any(), rmock.Match("SET", errKey, "boom", "PX", "60000"))
ec.CacheError(context.Background(), errKey, errors.New("boom"), time.Minute)
}
func TestErrCacher_CacheError_MarshalError(t *testing.T) {
ec, _, rep := setupError(t)
rep.EXPECT().
HandleProcessingError(gomock.Any(), gomock.Any(), "Failed to marshal error for caching", matcher.ErrorEq("marshal error"))
ec.CacheError(context.Background(), errKey, errors.New("boom"), time.Minute)
}
func setupNormal(t *testing.T) (*ErrCacher[string], *rmock.Client, *mock_tool.MockErrReporter) {
ctrl := gomock.NewController(t)
client := rmock.NewClient(ctrl)
rep := mock_tool.NewMockErrReporter(ctrl)
ec := &ErrCacher[string]{
Log: zaptest.NewLogger(t),
ErrRep: rep,
Client: client,
ErrMarshaler: testErrMarshaler{
marshal: func(err error) ([]byte, error) {
return []byte(err.Error()), nil
},
unmarshal: func(data []byte) (error, error) {
return errors.New(string(data)), nil
},
},
KeyToRedisKey: func(key string) string {
return key
},
}
return ec, client, rep
}
func setupError(t *testing.T) (*ErrCacher[string], *rmock.Client, *mock_tool.MockErrReporter) {
ctrl := gomock.NewController(t)
client := rmock.NewClient(ctrl)
rep := mock_tool.NewMockErrReporter(ctrl)
ec := &ErrCacher[string]{
Log: zaptest.NewLogger(t),
ErrRep: rep,
Client: client,
ErrMarshaler: testErrMarshaler{
marshal: func(err error) ([]byte, error) {
return nil, errors.New("marshal error")
},
unmarshal: func(data []byte) (error, error) {
return nil, errors.New("unmarshal error")
},
},
KeyToRedisKey: func(key string) string {
return key
},
}
return ec, client, rep
}
type testErrMarshaler struct {
marshal func(err error) ([]byte, error)
unmarshal func(data []byte) (error, error)
}
func (m testErrMarshaler) Marshal(err error) ([]byte, error) {
return m.marshal(err)
}
func (m testErrMarshaler) Unmarshal(data []byte) (error, error) {
return m.unmarshal(data)
}
|
