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package errors
import (
"context"
"errors"
"fmt"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestRetryAfterWithContext(t *testing.T) {
calls := 0
ret := Retry(context.Background(), time.Second, func() error {
calls++
return nil
}, 0)
assert.NoError(t, ret)
assert.Equal(t, 1, calls)
}
func TestRetryAfterFailure(t *testing.T) {
calls := 0
ret := Retry(context.Background(), time.Second, func() error {
calls++
return errors.New("failed")
}, 0)
assert.EqualError(t, ret, "failed")
assert.Equal(t, 1, calls)
}
func TestRetryAfterSlowFailure(t *testing.T) {
calls := 0
ret := Retry(context.Background(), time.Millisecond, func() error {
time.Sleep(50 * time.Millisecond)
calls++
if calls < 2 {
return &RetriableError{Err: errors.New("failed")}
}
return nil
}, 0)
assert.NoError(t, ret)
assert.Equal(t, 2, calls)
}
func TestRetryAfterMaxAttempts(t *testing.T) {
calls := 0
ret := Retry(context.Background(), 10*time.Millisecond, func() error {
calls++
return &RetriableError{Err: errors.New("failed")}
}, 0)
assert.EqualError(t, ret, fmt.Sprintf("Temporary error: failed (x%d)", calls))
assert.Greater(t, calls, 5)
}
func TestRetryAfterSuccessAfterFailures(t *testing.T) {
calls := 0
ret := Retry(context.Background(), time.Second, func() error {
calls++
if calls < 3 {
return &RetriableError{Err: errors.New("failed")}
}
return nil
}, 0)
assert.NoError(t, ret)
assert.Equal(t, 3, calls)
}
func TestMultiErrorString(t *testing.T) {
assert.Equal(t, "Temporary Error: No Pending CSR (x4)", MultiError{
Errors: []error{
errors.New("Temporary Error: No Pending CSR"),
errors.New("Temporary Error: No Pending CSR"),
errors.New("Temporary Error: No Pending CSR"),
errors.New("Temporary Error: No Pending CSR"),
},
}.Error())
assert.Equal(t, "No Pending CSR (x2)\nConnection refused (x2)\nNo Pending CSR", MultiError{
Errors: []error{
errors.New("No Pending CSR"),
errors.New("No Pending CSR"),
errors.New("Connection refused"),
errors.New("Connection refused"),
errors.New("No Pending CSR"),
},
}.Error())
}
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