*: Fix various lints

3 files changed, 15 insertions, 1 deletions

diff --git a/internal/compress/zlib/reader_reset.go b/internal/compress/zlib/reader_reset.go
index fbcaccac..fe675c73 100644
--- a/internal/compress/zlib/reader_reset.go
+++ b/internal/compress/zlib/reader_reset.go
@@ -57,7 +57,7 @@ func (z *Reader) reset(r io.Reader, dict []byte) error {
 	}
 
 	haveDict := z.scratch[1]&0x20 != 0
-	if haveDict {
+	if haveDict { //nolint:nestif
 		readN, z.err = io.ReadFull(z.r, z.scratch[0:4])
 
 		readNUint64, err := intconv.IntToUint64(readN)
diff --git a/internal/compress/zlib/reader_test.go b/internal/compress/zlib/reader_test.go
index 6fda1f27..13f32dbc 100644
--- a/internal/compress/zlib/reader_test.go
+++ b/internal/compress/zlib/reader_test.go
@@ -151,6 +151,8 @@ var zlibTests = []zlibTest{
 }
 
 func TestDecompressor(t *testing.T) {
+	t.Parallel()
+
 	b := new(bytes.Buffer)
 	for _, tt := range zlibTests {
 		in := bytes.NewReader(tt.compressed)
diff --git a/internal/compress/zlib/writer_test.go b/internal/compress/zlib/writer_test.go
index b2bbd6be..2a8318a6 100644
--- a/internal/compress/zlib/writer_test.go
+++ b/internal/compress/zlib/writer_test.go
@@ -25,6 +25,8 @@ var data = []string{
 // Tests that compressing and then decompressing the given file at the given compression level and dictionary
 // yields equivalent bytes to the original file.
 func testFileLevelDict(t *testing.T, fn string, level int, d string) {
+	t.Helper()
+
 	// Read the file, as golden output.
 	golden, err := os.Open(fn)
 	if err != nil {
@@ -51,6 +53,8 @@ func testFileLevelDict(t *testing.T, fn string, level int, d string) {
 }
 
 func testLevelDict(t *testing.T, fn string, b0 []byte, level int, d string) {
+	t.Helper()
+
 	// Make dictionary, if given.
 	var dict []byte
 	if d != "" {
@@ -135,6 +139,8 @@ func testLevelDict(t *testing.T, fn string, b0 []byte, level int, d string) {
 }
 
 func TestWriter(t *testing.T) {
+	t.Parallel()
+
 	for i, s := range data {
 		b := []byte(s)
 		tag := fmt.Sprintf("#%d", i)
@@ -149,6 +155,8 @@ func TestWriter(t *testing.T) {
 }
 
 func TestWriterBig(t *testing.T) {
+	t.Parallel()
+
 	for i, fn := range filenames {
 		testFileLevelDict(t, fn, DefaultCompression, "")
 		testFileLevelDict(t, fn, NoCompression, "")
@@ -169,6 +177,8 @@ func TestWriterBig(t *testing.T) {
 }
 
 func TestWriterDict(t *testing.T) {
+	t.Parallel()
+
 	const dictionary = "0123456789."
 	for i, fn := range filenames {
 		testFileLevelDict(t, fn, DefaultCompression, dictionary)
@@ -190,6 +200,8 @@ func TestWriterDict(t *testing.T) {
 }
 
 func TestWriterDictIsUsed(t *testing.T) {
+	t.Parallel()
+
 	var (
 		input = []byte("Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.")
 		buf   bytes.Buffer