milvus/pkg/util/merr/utils_test.go

98 lines
3.5 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package merr
import (
"fmt"
"testing"
"github.com/cockroachdb/errors"
"github.com/stretchr/testify/assert"
)
func TestIsNonRetryableErr(t *testing.T) {
tests := []struct {
name string
err error
expected bool
}{
// Permanent errors - should NOT retry
{"KeyNotFound", ErrIoKeyNotFound, true},
{"PermissionDenied", ErrIoPermissionDenied, true},
{"BucketNotFound", ErrIoBucketNotFound, true},
{"InvalidCredentials", ErrIoInvalidCredentials, true},
// Client validation errors - should NOT retry
{"InvalidArgument", ErrIoInvalidArgument, true},
{"InvalidRange", ErrIoInvalidRange, true},
{"EntityTooLarge", ErrIoEntityTooLarge, true},
// Transient errors - SHOULD retry (return false)
{"UnexpectedEOF", ErrIoUnexpectEOF, false},
{"TooManyRequests", ErrIoTooManyRequests, false},
{"ServiceNotReady", ErrServiceNotReady, false},
{"ServiceUnavailable", ErrServiceUnavailable, false},
// Generic error - SHOULD retry (return false)
{"GenericError", errors.New("network error"), false},
// Nil error
{"NilError", nil, false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := IsNonRetryableErr(tt.err)
assert.Equal(t, tt.expected, result,
"IsNonRetryableErr(%v) = %v, want %v", tt.err, result, tt.expected)
})
}
}
func TestIsNonRetryableErr_WrappedErrors(t *testing.T) {
// Test that wrapped errors are detected correctly
wrappedPermDenied := fmt.Errorf("failed to read: %w", ErrIoPermissionDenied)
assert.True(t, IsNonRetryableErr(wrappedPermDenied))
wrappedInvalidArg := fmt.Errorf("validation failed: %w", ErrIoInvalidArgument)
assert.True(t, IsNonRetryableErr(wrappedInvalidArg))
wrappedRetryable := fmt.Errorf("network issue: %w", ErrIoUnexpectEOF)
assert.False(t, IsNonRetryableErr(wrappedRetryable))
}
func TestIsMilvusError_WrappedChain(t *testing.T) {
// Direct milvus error
assert.True(t, IsMilvusError(ErrCollectionNotFound))
// Wrapped via errors.Wrap — milvusError is root, both impls handle this
assert.True(t, IsMilvusError(errors.Wrap(ErrCollectionNotFound, "context")))
// Combined: plain error first, milvusError second.
// errors.Cause: multiErrors has no Cause() method, returns multiErrors itself — type
// assertion to milvusError fails. errors.As: multiErrors.Unwrap() returns errs[1] directly
// (ErrCollectionNotFound), so errors.As finds it.
// Known limitation: Combine(milvusErr, plain) is NOT covered — Unwrap exposes errs[1:] only,
// so milvusError at index 0 would not be found by errors.As either.
combined := Combine(errors.New("plain"), ErrCollectionNotFound)
assert.True(t, IsMilvusError(combined), "milvusError at tail of Combine chain should be detected")
// Non-milvus error
assert.False(t, IsMilvusError(errors.New("plain error")))
assert.False(t, IsMilvusError(nil))
}