80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
package git
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import (
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"bytes"
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"fmt"
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"io"
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"testing"
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"github.com/stretchr/testify/require"
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"gitlab.com/gitlab-org/gitaly/v14/proto/go/gitalypb"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"google.golang.org/protobuf/proto"
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"google.golang.org/protobuf/types/known/anypb"
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"google.golang.org/protobuf/types/known/durationpb"
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)
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func TestHandleLimitErr(t *testing.T) {
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testCases := []struct {
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desc string
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errWriter func(io.Writer) error
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expectedBytes []byte
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}{
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{
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desc: "upload pack",
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errWriter: writeUploadPackError,
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expectedBytes: bytes.Join([][]byte{
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[]byte{'0', '0', '4', '7'},
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[]byte("ERR GitLab is currently unable to handle this request due to load.\n"),
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}, []byte{}),
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},
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{
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desc: "recieve pack",
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errWriter: writeReceivePackError,
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expectedBytes: bytes.Join([][]byte{
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{'0', '0', '2', '3', 1, '0', '0', '1', 'a'},
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[]byte("unpack server is busy\n"),
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{'0', '0', '0', '0', '0', '0', '4', '4', 2},
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[]byte("GitLab is currently unable to handle this request due to load.\n"),
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{'0', '0', '0', '0'},
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}, []byte{}),
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},
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}
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for _, tc := range testCases {
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t.Run(tc.desc, func(t *testing.T) {
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var body bytes.Buffer
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err := errWithDetail(t, &gitalypb.LimitError{
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ErrorMessage: "concurrency queue wait time reached",
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RetryAfter: durationpb.New(0)})
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handleLimitErr(fmt.Errorf("wrapped error: %w", err), &body, tc.errWriter)
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require.Equal(t, tc.expectedBytes, body.Bytes())
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})
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}
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t.Run("non LimitError", func(t *testing.T) {
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var body bytes.Buffer
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err := status.Error(codes.Internal, "some internal error")
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handleLimitErr(fmt.Errorf("wrapped error: %w", err), &body, writeUploadPackError)
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require.Equal(t, []byte(nil), body.Bytes())
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handleLimitErr(fmt.Errorf("wrapped error: %w", err), &body, writeReceivePackError)
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require.Equal(t, []byte(nil), body.Bytes())
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})
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}
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// errWithDetail adds the given details to the error if it is a gRPC status whose code is not OK.
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func errWithDetail(t *testing.T, detail proto.Message) error {
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st := status.New(codes.Unavailable, "too busy")
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proto := st.Proto()
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marshaled, err := anypb.New(detail)
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require.NoError(t, err)
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proto.Details = append(proto.Details, marshaled)
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return status.ErrorProto(proto)
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}
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