Sentry update, go 1.15 support

* Clone() method in Localizer component allows to clone it just like LocalizationMiddleware does.
* RavenClientInterface contains all *raven.Client method, which allows external use without type casting.
* Tests and godoc fix for Go 1.15.

.travis.yml

@@ -5,6 +5,7 @@ go:
   - '1.12'
   - '1.13'
   - '1.14'
+  - '1.15'
 before_install:
   - go mod tidy
 script:

core/localizer.go

@@ -85,6 +85,23 @@ func DefaultLocalizerMatcher() language.Matcher {
 	return language.NewMatcher(DefaultLanguages)
 }
 
+// Clone *core.Localizer. Clone shares it's translations with the parent localizer. Language tag will not be shared.
+// Because of that you can change clone's language without affecting parent localizer.
+// This method should be used when LocalizationMiddleware is not feasible (outside of *gin.HandlerFunc).
+func (l *Localizer) Clone() *Localizer {
+	clone := &Localizer{
+		i18nStorage:      l.i18nStorage,
+		TranslationsBox:  l.TranslationsBox,
+		LocaleMatcher:    l.LocaleMatcher,
+		LanguageTag:      l.LanguageTag,
+		TranslationsPath: l.TranslationsPath,
+		loadMutex:        l.loadMutex,
+	}
+	clone.SetLanguage(DefaultLanguage)
+
+	return clone
+}
+
 // LocalizationMiddleware returns gin.HandlerFunc which will set localizer language by Accept-Language header
 // Result Localizer instance will share it's internal data (translations, bundles, etc) with instance which was used
 // to append middleware to gin.
@@ -92,18 +109,11 @@ func DefaultLocalizerMatcher() language.Matcher {
 // i18n.Bundle methods (those aren't goroutine-safe to use).
 // Usage:
 //      engine := gin.New()
-//      localizer := NewLocalizer("en", DefaultLocalizerBundle(), DefaultLocalizerMatcher(), "translations")
+//      localizer := NewLocalizer("en", DefaultLocalizerMatcher(), "translations")
 //      engine.Use(localizer.LocalizationMiddleware())
 func (l *Localizer) LocalizationMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
-		clone := &Localizer{
-			i18nStorage:      l.i18nStorage,
-			TranslationsBox:  l.TranslationsBox,
-			LocaleMatcher:    l.LocaleMatcher,
-			LanguageTag:      l.LanguageTag,
-			TranslationsPath: l.TranslationsPath,
-			loadMutex:        l.loadMutex,
-		}
+		clone := l.Clone()
 		clone.SetLocale(c.GetHeader("Accept-Language"))
 		c.Set(LocalizerContextKey, clone)
 	}

core/localizer_test.go

@@ -157,6 +157,19 @@ func (l *LocalizerTest) Test_GetLocalizedMessage() {
 	assert.Equal(l.T(), "Test message", message)
 }
 
+func (l *LocalizerTest) Test_Clone() {
+	defer func() {
+		require.Nil(l.T(), recover())
+	}()
+
+	localizer := l.localizer.Clone()
+	localizer.SetLanguage(language.Russian)
+	
+	assert.NotEqual(l.T(), l.localizer.LanguageTag, localizer.LanguageTag)
+	assert.Equal(l.T(), "Test message", l.localizer.GetLocalizedMessage("message"))
+	assert.Equal(l.T(), "Тестовое сообщение", localizer.GetLocalizedMessage("message"))
+}
+
 func (l *LocalizerTest) Test_GetLocalizedTemplateMessage() {
 	defer func() {
 		require.Nil(l.T(), recover())

core/sentry_test.go

@@ -6,6 +6,7 @@ import (
 	"math/rand"
 	"net/http"
 	"net/http/httptest"
+	"strconv"
 	"sync"
 	"testing"
 	"time"
@@ -61,6 +62,7 @@ func (r ravenPacket) getRequest() (*raven.Http, bool) {
 }
 
 type ravenClientMock struct {
+	raven.Client
 	captured []ravenPacket
 	mu       sync.RWMutex
 	wg       sync.WaitGroup
@@ -92,7 +94,7 @@ func (r *ravenClientMock) CaptureMessageAndWait(message string, tags map[string]
 	r.mu.Lock()
 	defer r.mu.Unlock()
 	defer r.wg.Done()
-	eventID := string(rand.Uint64())
+	eventID := strconv.FormatUint(rand.Uint64(), 10)
 	r.captured = append(r.captured, ravenPacket{
 		EventID:    eventID,
 		Message:    message,

core/stacktrace/raven_client_interface.go

@@ -4,7 +4,28 @@ import "github.com/getsentry/raven-go"
 
 // RavenClientInterface includes all necessary calls from *raven.Client. Therefore, it can be mocked or replaced.
 type RavenClientInterface interface {
+	SetIgnoreErrors(errs []string) error
+	SetDSN(dsn string) error
+	SetRelease(release string)
+	SetEnvironment(environment string)
+	SetDefaultLoggerName(name string)
+	SetSampleRate(rate float32) error
+	Capture(packet *raven.Packet, captureTags map[string]string) (eventID string, ch chan error)
+	CaptureMessage(message string, tags map[string]string, interfaces ...raven.Interface) string
 	CaptureMessageAndWait(message string, tags map[string]string, interfaces ...raven.Interface) string
+	CaptureError(err error, tags map[string]string, interfaces ...raven.Interface) string
 	CaptureErrorAndWait(err error, tags map[string]string, interfaces ...raven.Interface) string
+	CapturePanic(f func(), tags map[string]string, interfaces ...raven.Interface) (err interface{}, errorID string)
+	CapturePanicAndWait(f func(), tags map[string]string, interfaces ...raven.Interface) (err interface{}, errorID string)
+	Close()
+	Wait()
+	URL() string
+	ProjectID() string
+	Release() string
 	IncludePaths() []string
+	SetIncludePaths(p []string)
+	SetUserContext(u *raven.User)
+	SetHttpContext(h *raven.Http)
+	SetTagsContext(t map[string]string)
+	ClearContext()
 }