README.md

@@ -13,7 +13,6 @@ SPDX-License-Identifier: CC0-1.0
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 <p align="center"><img src="./assets/gopher2.svg" width="250" alt="go-mail logo"/></p>

b64linebreaker_test.go

@@ -8,7 +8,6 @@ import (
 	"bufio"
 	"bytes"
 	"encoding/base64"
-	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -384,11 +383,6 @@ LjI4MiIgc3R5bGU9ImZpbGw6I2ZmYjI1YztzdHJva2U6IzAwMDtzdHJva2Utd2lkdGg6NC45NXB4
 OyIvPjwvZz48L3N2Zz4=
 `
 
-var (
-	errMockDefault = errors.New("mock write error")
-	errMockNewline = errors.New("mock newline error")
-)
-
 // TestBase64LineBreaker tests the Write and Close methods of the Base64LineBreaker
 func TestBase64LineBreaker(t *testing.T) {
 	l, err := os.Open("assets/gopher2.svg")
@@ -443,47 +437,6 @@ func TestBase64LineBreakerFailures(t *testing.T) {
 	}
 }
 
-func TestBase64LineBreaker_WriteAndClose(t *testing.T) {
-	tests := []struct {
-		name   string
-		data   []byte
-		writer io.Writer
-	}{
-		{
-			name:   "Write data within MaxBodyLength",
-			data:   []byte("testdata"),
-			writer: &mockWriterExcess{writeError: errMockDefault},
-		},
-		{
-			name: "Write data exceeds MaxBodyLength",
-			data: []byte("verylongtestdataverylongtestdataverylongtestdata" +
-				"verylongtestdataverylongtestdataverylongtestdata"),
-			writer: &mockWriterExcess{writeError: errMockDefault},
-		},
-		{
-			name: "Write data exceeds MaxBodyLength with newline",
-			data: []byte("verylongtestdataverylongtestdataverylongtestdata" +
-				"verylongtestdataverylongtestdataverylongtestdata"),
-			writer: &mockWriterNewline{writeError: errMockDefault},
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			blr := &Base64LineBreaker{out: tt.writer}
-
-			_, err := blr.Write(tt.data)
-			if err != nil && !errors.Is(err, errMockDefault) && !errors.Is(err, errMockNewline) {
-				t.Errorf("Unexpected error while writing: %v", err)
-			}
-			err = blr.Close()
-			if err != nil && !errors.Is(err, errMockDefault) && !errors.Is(err, errMockNewline) {
-				t.Errorf("Unexpected error while closing: %v", err)
-			}
-		})
-	}
-}
-
 // removeNewLines removes any newline characters from the given data
 func removeNewLines(data []byte) []byte {
 	result := make([]byte, len(data))
@@ -510,35 +463,6 @@ func (e errorWriter) Close() error {
 	return fmt.Errorf("supposed to always fail")
 }
 
-type mockWriterExcess struct {
-	writeError error
-}
-type mockWriterNewline struct {
-	writeError error
-}
-
-func (w *mockWriterExcess) Write(p []byte) (n int, err error) {
-	switch len(p) {
-	case 0:
-		return 0, nil
-	case 2:
-		return 2, nil
-	default:
-		return len(p), errMockDefault
-	}
-}
-
-func (w *mockWriterNewline) Write(p []byte) (n int, err error) {
-	switch len(p) {
-	case 0:
-		return 0, nil
-	case 2:
-		return 2, errMockNewline
-	default:
-		return len(p), nil
-	}
-}
-
 func FuzzBase64LineBreaker_Write(f *testing.F) {
 	f.Add([]byte("abc"))
 	f.Add([]byte("def"))