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|
package errors
import (
"context"
"math/rand"
"testing"
"time"
)
func init() {
rand.Seed(time.Now().UnixNano()) // Ensure jitter randomness
}
// TestExecuteReply_Success tests successful execution after retries with a string result.
func TestExecuteReply_Success(t *testing.T) {
retry := NewRetry(
WithMaxAttempts(3),
WithDelay(50*time.Millisecond),
WithBackoff(LinearBackoff{}),
WithJitter(false),
)
calls := 0
start := time.Now()
result, err := ExecuteReply[string](retry, func() (string, error) {
calls++
if calls < 2 {
return "", New("temporary error").WithRetryable()
}
return "success", nil
})
duration := time.Since(start)
if err != nil {
t.Errorf("Expected no error, got %v", err)
}
if result != "success" {
t.Errorf("Expected 'success', got %q", result)
}
if calls != 2 {
t.Errorf("Expected 2 calls, got %d", calls)
}
if duration < 45*time.Millisecond { // Slightly less than 50ms for execution overhead
t.Errorf("Expected at least 50ms delay, got %v", duration)
}
}
func TestExecuteReply_Failure(t *testing.T) {
retry := NewRetry(
WithMaxAttempts(2),
WithDelay(10*time.Millisecond),
)
calls := 0
result, err := ExecuteReply[int](retry, func() (int, error) {
calls++
return 0, New("persistent error").WithRetryable()
})
if err == nil {
t.Error("Expected error, got nil")
}
if result != 0 {
t.Errorf("Expected zero value (0), got %d", result)
}
if calls != 2 {
t.Errorf("Expected 2 calls, got %d", calls)
}
}
func TestExecuteReply_NonRetryable(t *testing.T) {
retry := NewRetry(WithMaxAttempts(3))
calls := 0
result, err := ExecuteReply[float64](retry, func() (float64, error) {
calls++
return 0.0, New("fatal error") // Not retryable
})
if err == nil {
t.Error("Expected error, got nil")
}
if result != 0.0 {
t.Errorf("Expected zero value (0.0), got %f", result)
}
if calls != 1 {
t.Errorf("Expected 1 call, got %d", calls)
}
}
func TestExecuteReply_ContextCancellation(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
retry := NewRetry(
WithMaxAttempts(5),
WithContext(ctx),
WithDelay(50*time.Millisecond),
)
calls := 0
go func() {
time.Sleep(125 * time.Millisecond) // Allow 2 calls (100ms total) before cancel
cancel()
}()
result, err := ExecuteReply[string](retry, func() (string, error) {
calls++
time.Sleep(25 * time.Millisecond) // Simulate work
return "", New("retryable error").WithRetryable()
})
if !Is(err, context.Canceled) {
t.Errorf("Expected context canceled error, got %v", err)
}
if result != "" {
t.Errorf("Expected zero value (\"\"), got %q", result)
}
if calls < 2 {
t.Errorf("Expected at least 2 calls before cancellation, got %d", calls)
}
}
func TestExecuteReply_DifferentTypes(t *testing.T) {
type Result struct {
Value int
}
retry := NewRetry(WithMaxAttempts(3))
calls := 0
result, err := ExecuteReply[Result](retry, func() (Result, error) {
calls++
if calls < 2 {
return Result{}, New("temporary error").WithRetryable()
}
return Result{Value: 42}, nil
})
if err != nil {
t.Errorf("Expected no error, got %v", err)
}
if result.Value != 42 {
t.Errorf("Expected Value 42, got %d", result.Value)
}
if calls != 2 {
t.Errorf("Expected 2 calls, got %d", calls)
}
}
|
