3 files changed, 33 insertions, 28 deletions
diff --git a/pkg/config/config_test.go b/pkg/config/config_test.go
index 43d4a48..ee130f3 100644
--- a/pkg/config/config_test.go
+++ b/pkg/config/config_test.go
@@ -1,10 +1,8 @@
 package config
 
 import (
-	"reflect"
 	"testing"
 
-	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
@@ -35,14 +33,14 @@ func TestLoadFile(t *testing.T) {
 		name          string
 		input         string
 		expected      *Config
-		expectedError interface{}
+		expectedError error
 	}{
-		{"Non existant file", "test_data/non-existant", nil, &OpenError{}},
-		{"Invalid file content", "test_data/invalid.yaml", nil, &DecodeError{}},
-		{"Invalid address should fail to load", "test_data/invalid_address.yaml", nil, &InvalidAddressError{}},
-		{"Unresolvable address should fail to load", "test_data/invalid_address_unresolvable.yaml", nil, &InvalidAddressError{}},
-		{"Invalid port should fail to load", "test_data/invalid_port.yaml", nil, &InvalidPortError{}},
-		{"Invalid token should fail to load", "test_data/invalid_token.yaml", nil, &InvalidTokenError{}},
+		{"Non existant file", "test_data/non-existant", nil, OpenError{}},
+		{"Invalid file content", "test_data/invalid.yaml", nil, DecodeError{}},
+		{"Invalid address should fail to load", "test_data/invalid_address.yaml", nil, InvalidAddressError{}},
+		{"Unresolvable address should fail to load", "test_data/invalid_address_unresolvable.yaml", nil, InvalidAddressError{}},
+		{"Invalid port should fail to load", "test_data/invalid_port.yaml", nil, InvalidPortError{}},
+		{"Invalid token should fail to load", "test_data/invalid_token.yaml", nil, InvalidTokenError{}},
 		{"Minimal config", "test_data/minimal.yaml", &minimalConfig, nil},
 		{"Minimal config with resolving", "test_data/minimal_with_hostname.yaml", &minimalConfigWithResolving, nil},
 		{"Complete config", "test_data/complete.yaml", &completeConfig, nil},
@@ -52,12 +50,12 @@ func TestLoadFile(t *testing.T) {
 			valid, err := LoadFile(tc.input)
 			if tc.expectedError != nil {
 				require.Error(t, err)
-				assert.Equalf(t, reflect.TypeOf(err), reflect.TypeOf(tc.expectedError), "Invalid error type. Got %s but expected %s", reflect.TypeOf(err), reflect.TypeOf(tc.expectedError))
+				requireErrorTypeMatch(t, err, tc.expectedError)
 				require.Nil(t, valid)
 			} else {
 				require.NoError(t, err)
 			}
-			assert.Equal(t, tc.expected, valid, "Invalid value")
+			require.Equal(t, tc.expected, valid, "Invalid value")
 		})
 	}
 }
diff --git a/pkg/config/error.go b/pkg/config/error.go
index c49b6a9..1fc1665 100644
--- a/pkg/config/error.go
+++ b/pkg/config/error.go
@@ -2,21 +2,19 @@ package config
 
 import "fmt"
 
-type ErrorType int
-
 // file open configuration file error
 type OpenError struct {
 	path string
 	err  error
 }
 
-func (e *OpenError) Error() string {
+func (e OpenError) Error() string {
 	return fmt.Sprintf("Failed to open configuration file : %s", e.path)
 }
-func (e *OpenError) Unwrap() error { return e.err }
+func (e OpenError) Unwrap() error { return e.err }
 
 func newOpenError(path string, err error) error {
-	return &OpenError{
+	return OpenError{
 		path: path,
 		err:  err,
 	}
@@ -28,13 +26,13 @@ type DecodeError struct {
 	err  error
 }
 
-func (e *DecodeError) Error() string {
+func (e DecodeError) Error() string {
 	return fmt.Sprintf("Failed to decode configuration file : %s", e.path)
 }
-func (e *DecodeError) Unwrap() error { return e.err }
+func (e DecodeError) Unwrap() error { return e.err }
 
 func newDecodeError(path string, err error) error {
-	return &DecodeError{
+	return DecodeError{
 		path: path,
 		err:  err,
 	}
@@ -46,13 +44,13 @@ type InvalidAddressError struct {
 	err     error
 }
 
-func (e *InvalidAddressError) Error() string {
+func (e InvalidAddressError) Error() string {
 	return fmt.Sprintf("Invalid address %s : it must be a valid ipv4 address, ipv6 address, or resolvable name", e.address)
 }
-func (e *InvalidAddressError) Unwrap() error { return e.err }
+func (e InvalidAddressError) Unwrap() error { return e.err }
 
 func newInvalidAddressError(address string, err error) error {
-	return &InvalidAddressError{
+	return InvalidAddressError{
 		address: address,
 		err:     err,
 	}
@@ -64,13 +62,13 @@ type InvalidPortError struct {
 	err  error
 }
 
-func (e *InvalidPortError) Error() string {
+func (e InvalidPortError) Error() string {
 	return fmt.Sprintf("Invalid port %s : it must be a valid port number or tcp service name", e.port)
 }
-func (e *InvalidPortError) Unwrap() error { return e.err }
+func (e InvalidPortError) Unwrap() error { return e.err }
 
 func newInvalidPortError(port string, err error) error {
-	return &InvalidPortError{
+	return InvalidPortError{
 		port: port,
 		err:  err,
 	}
@@ -81,12 +79,12 @@ type InvalidTokenError struct {
 	token string
 }
 
-func (e *InvalidTokenError) Error() string {
+func (e InvalidTokenError) Error() string {
 	return fmt.Sprintf("Invalid token %s : it must be an hexadecimal string that lookslike 12345678-9abc-def0-1234-56789abcdef0", e.token)
 }
 
 func newInvalidTokenError(token string) error {
-	return &InvalidTokenError{
+	return InvalidTokenError{
 		token: token,
 	}
 }
diff --git a/pkg/config/error_test.go b/pkg/config/error_test.go
index f9807c1..e3be1a8 100644
--- a/pkg/config/error_test.go
+++ b/pkg/config/error_test.go
@@ -1,6 +1,15 @@
 package config
 
-import "testing"
+import (
+	"reflect"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func requireErrorTypeMatch(t *testing.T, err error, expected error) {
+	require.Equalf(t, reflect.TypeOf(err), reflect.TypeOf(expected), "Invalid error type. Got %s but expected %s", reflect.TypeOf(err), reflect.TypeOf(expected))
+}
 
 func TestErrorsCoverage(t *testing.T) {
 	openErr := OpenError{}