Add fully working RTCIceServer with 100% unit-test code coverage

errors.go

@@ -5,122 +5,93 @@ import (
 	"fmt"
 )
 
+var (
+	// ErrUnknownType indicates a Unknown info
+	ErrUnknownType                   = errors.New("unknown")
+	ErrNoConfig                      = errors.New("no configuration provided")
+	ErrConnectionClosed              = errors.New("connection closed")
+	ErrCertificateExpired            = errors.New("x509Cert expired")
+	ErrNoTurnCredencials             = errors.New("turn server credentials required")
+	ErrTurnCredencials               = errors.New("invalid turn server credentials")
+	ErrExistingTrack                 = errors.New("track aready exists")
+	ErrPrivateKeyType                = errors.New("private key type not supported")
+	ErrModifyingPeerIdentity         = errors.New("peerIdentity cannot be modified")
+	ErrModifyingCertificates         = errors.New("certificates cannot be modified")
+	ErrModifyingBundlePolicy         = errors.New("bundle policy cannot be modified")
+	ErrModifyingRtcpMuxPolicy        = errors.New("rtcp mux policy cannot be modified")
+	ErrModifyingIceCandidatePoolSize = errors.New("ice candidate pool size cannot be modified")
+	ErrInvalidValue                  = errors.New("invalid value")
+	ErrMaxDataChannels               = errors.New("maximum number of datachannels reached")
+)
+
 // InvalidStateError indicates the object is in an invalid state.
 type InvalidStateError struct {
 	Err error
 }
 
-func (e InvalidStateError) Error() string {
+func (e *InvalidStateError) Error() string {
 	return fmt.Sprintf("webrtc: InvalidStateError: %v", e.Err)
 }
 
-// Types of InvalidStateErrors
-var (
-	ErrConnectionClosed = errors.New("connection closed")
-)
-
 // UnknownError indicates the operation failed for an unknown transient reason
 type UnknownError struct {
 	Err error
 }
 
-func (e UnknownError) Error() string {
+func (e *UnknownError) Error() string {
 	return fmt.Sprintf("webrtc: UnknownError: %v", e.Err)
 }
 
-// Types of UnknownErrors
-var (
-	ErrNoConfig = errors.New("no configuration provided")
-)
-
 // InvalidAccessError indicates the object does not support the operation or argument.
 type InvalidAccessError struct {
 	Err error
 }
 
-func (e InvalidAccessError) Error() string {
+func (e *InvalidAccessError) Error() string {
 	return fmt.Sprintf("webrtc: InvalidAccessError: %v", e.Err)
 }
 
-// Types of InvalidAccessErrors
-var (
-	ErrCertificateExpired = errors.New("x509Cert expired")
-	ErrNoTurnCredencials  = errors.New("turn server credentials required")
-	ErrTurnCredencials    = errors.New("invalid turn server credentials")
-	ErrExistingTrack      = errors.New("track aready exists")
-)
-
 // NotSupportedError indicates the operation is not supported.
 type NotSupportedError struct {
 	Err error
 }
 
-func (e NotSupportedError) Error() string {
+func (e *NotSupportedError) Error() string {
 	return fmt.Sprintf("webrtc: NotSupportedError: %v", e.Err)
 }
 
-// Types of NotSupportedErrors
-var (
-	ErrPrivateKeyType = errors.New("private key type not supported")
-)
-
 // InvalidModificationError indicates the object can not be modified in this way.
 type InvalidModificationError struct {
 	Err error
 }
 
-func (e InvalidModificationError) Error() string {
+func (e *InvalidModificationError) Error() string {
 	return fmt.Sprintf("webrtc: InvalidModificationError: %v", e.Err)
 }
 
-// Types of InvalidModificationErrors
-var (
-	ErrModifyingPeerIdentity         = errors.New("peerIdentity cannot be modified")
-	ErrModifyingCertificates         = errors.New("certificates cannot be modified")
-	ErrModifyingBundlePolicy         = errors.New("bundle policy cannot be modified")
-	ErrModifyingRtcpMuxPolicy        = errors.New("rtcp mux policy cannot be modified")
-	ErrModifyingIceCandidatePoolSize = errors.New("ice candidate pool size cannot be modified")
-)
-
 // SyntaxError indicates the string did not match the expected pattern.
 type SyntaxError struct {
 	Err error
 }
 
-func (e SyntaxError) Error() string {
+func (e *SyntaxError) Error() string {
 	return fmt.Sprintf("webrtc: SyntaxError: %v", e.Err)
 }
 
-// Types of SyntaxErrors
-var ()
-
 // TypeError indicates an issue with a supplied value
 type TypeError struct {
 	Err error
 }
 
-func (e TypeError) Error() string {
+func (e *TypeError) Error() string {
 	return fmt.Sprintf("webrtc: TypeError: %v", e.Err)
 }
 
-// Types of TypeError
-var (
-	ErrInvalidValue = errors.New("invalid value")
-)
-
 // OperationError indicates an issue with execution
 type OperationError struct {
 	Err error
 }
 
-func (e OperationError) Error() string {
+func (e *OperationError) Error() string {
 	return fmt.Sprintf("webrtc: OperationError: %v", e.Err)
 }
-
-// Types of OperationError
-var (
-	ErrMaxDataChannels = errors.New("maximum number of datachannels reached")
-)
-
-// ErrUnknownType indicates a Unknown info
-var ErrUnknownType = errors.New("Unknown")