chore: code cleanup

internal/file/tar_file_traversal.go

@@ -32,12 +32,12 @@ func ExtractGlobsFromTarToUniqueTempFile(archivePath, dir string, globs ...strin
 		}
 
 		// we have a file we want to extract....
-		tempfilePrefix := filepath.Base(filepath.Clean(file.Name())) + "-"
-		tempFile, err := os.CreateTemp(dir, tempfilePrefix)
+		tempFilePrefix := filepath.Base(filepath.Clean(file.Name())) + "-"
+		tempFile, err := os.CreateTemp(dir, tempFilePrefix)
 		if err != nil {
 			return fmt.Errorf("unable to create temp file: %w", err)
 		}
-		// we shouldn't try and keep the tempfile open as the returned result may have several files, which takes up
+		// we shouldn't try and keep the tempFile open as the returned result may have several files, which takes up
 		// resources (leading to "too many open files"). Instead we'll return a file opener to the caller which
 		// provides a ReadCloser. It is up to the caller to handle closing the file explicitly.
 		defer tempFile.Close()

internal/file/zip_file_helpers_test.go

@@ -1,7 +1,6 @@
 package file
 
 import (
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path"
@@ -73,31 +72,11 @@ func assertNoError(t testing.TB, fn func() error) func() {
 func setupZipFileTest(t testing.TB, sourceDirPath string, zip64 bool) string {
 	t.Helper()
 
-	archivePrefix, err := ioutil.TempFile("", "syft-ziputil-archive-TEST-")
-	if err != nil {
-		t.Fatalf("unable to create tempfile: %+v", err)
-	}
-
-	t.Cleanup(
-		assertNoError(t,
-			func() error {
-				return os.Remove(archivePrefix.Name())
-			},
-		),
-	)
-
-	destinationArchiveFilePath := archivePrefix.Name() + ".zip"
+	archivePrefix := path.Join(t.TempDir(), "syft-ziputil-archive-TEST-")
+	destinationArchiveFilePath := archivePrefix + ".zip"
 	t.Logf("archive path: %s", destinationArchiveFilePath)
 	createZipArchive(t, sourceDirPath, destinationArchiveFilePath, zip64)
 
-	t.Cleanup(
-		assertNoError(t,
-			func() error {
-				return os.Remove(destinationArchiveFilePath)
-			},
-		),
-	)
-
 	cwd, err := os.Getwd()
 	if err != nil {
 		t.Fatalf("unable to get cwd: %+v", err)

internal/file/zip_file_traversal_test.go

@@ -9,7 +9,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
@@ -49,13 +48,7 @@ func TestUnzipToDir(t *testing.T) {
 	sourceDirPath := path.Join(goldenRootDir, "zip-source")
 	archiveFilePath := setupZipFileTest(t, sourceDirPath, false)
 
-	unzipDestinationDir, err := ioutil.TempDir("", "syft-ziputil-contents-TEST-")
-	t.Cleanup(assertNoError(t, func() error {
-		return os.RemoveAll(unzipDestinationDir)
-	}))
-	if err != nil {
-		t.Fatalf("unable to create tempdir: %+v", err)
-	}
+	unzipDestinationDir := t.TempDir()
 
 	t.Logf("content path: %s", unzipDestinationDir)
 
@@ -170,7 +163,7 @@ func prependZipSourceFixtureWithString(tb testing.TB, value string) func(tb test
 		archivePath := prepZipSourceFixture(t)
 
 		// create a temp file
-		tmpFile, err := ioutil.TempFile("", "syft-ziputil-prependZipSourceFixtureWithString-")
+		tmpFile, err := os.CreateTemp(tb.TempDir(), "syft-ziputil-prependZipSourceFixtureWithString-")
 		if err != nil {
 			t.Fatalf("unable to create tempfile: %+v", err)
 		}
@@ -209,25 +202,14 @@ func prependZipSourceFixtureWithString(tb testing.TB, value string) func(tb test
 
 func prepZipSourceFixture(t testing.TB) string {
 	t.Helper()
-	archivePrefix, err := ioutil.TempFile("", "syft-ziputil-prepZipSourceFixture-")
-	if err != nil {
-		t.Fatalf("unable to create tempfile: %+v", err)
-	}
-
-	t.Cleanup(func() {
-		assert.NoError(t, os.Remove(archivePrefix.Name()))
-	})
+	archivePrefix := path.Join(t.TempDir(), "syft-ziputil-prepZipSourceFixture-")
 
 	// the zip utility will add ".zip" to the end of the given name
-	archivePath := archivePrefix.Name() + ".zip"
-
-	t.Cleanup(func() {
-		assert.NoError(t, os.Remove(archivePath))
-	})
+	archivePath := archivePrefix + ".zip"
 
 	t.Logf("archive path: %s", archivePath)
 
-	createZipArchive(t, "zip-source", archivePrefix.Name(), false)
+	createZipArchive(t, "zip-source", archivePrefix, false)
 
 	return archivePath
 }

syft/cpe/cpe_test.go

@@ -3,7 +3,7 @@ package cpe
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"strings"
 	"testing"
 
@@ -80,12 +80,12 @@ func Test_normalizeCpeField(t *testing.T) {
 }
 
 func Test_CPEParser(t *testing.T) {
-	testCases := []struct {
+	var testCases []struct {
 		CPEString string `json:"cpe-string"`
 		CPEUrl    string `json:"cpe-url"`
 		WFN       CPE    `json:"wfn"`
-	}{}
-	out, err := ioutil.ReadFile("test-fixtures/cpe-data.json")
+	}
+	out, err := os.ReadFile("test-fixtures/cpe-data.json")
 	require.NoError(t, err)
 	require.NoError(t, json.Unmarshal(out, &testCases))
 

syft/linux/identify_release_test.go

@@ -1,7 +1,7 @@
 package linux
 
 import (
-	"io/ioutil"
+	"io"
 	"os"
 	"testing"
 
@@ -539,7 +539,7 @@ func retrieveFixtureContentsAsString(fixturePath string, t *testing.T) string {
 	}
 	defer fixture.Close()
 
-	b, err := ioutil.ReadAll(fixture)
+	b, err := io.ReadAll(fixture)
 	if err != nil {
 		t.Fatalf("unable to read fixture file: %+v", err)
 	}

syft/pkg/cataloger/java/graalvm_native_image_cataloger_test.go

@@ -6,7 +6,6 @@ import (
 	"compress/gzip"
 	"encoding/binary"
 	"io"
-	"io/ioutil"
 	"os"
 	"path"
 	"testing"
@@ -36,7 +35,7 @@ func TestParseNativeImage(t *testing.T) {
 		t.Run(test.fixture, func(t *testing.T) {
 			f, err := os.Open("test-fixtures/java-builds/packages/" + test.fixture)
 			assert.NoError(t, err)
-			readerCloser := io.ReadCloser(ioutil.NopCloser(f))
+			readerCloser := io.NopCloser(f)
 			reader, err := unionreader.GetUnionReader(readerCloser)
 			assert.NoError(t, err)
 			parsed := false
@@ -107,7 +106,7 @@ func TestParseNativeImageSbom(t *testing.T) {
 	for _, test := range tests {
 		t.Run(path.Base(test.fixture), func(t *testing.T) {
 			// Create a buffer to resemble a compressed SBOM in a native image.
-			sbom, err := ioutil.ReadFile(test.fixture)
+			sbom, err := os.ReadFile(test.fixture)
 			assert.NoError(t, err)
 			var b bytes.Buffer
 			writebytes := bufio.NewWriter(&b)

syft/source/source_test.go

@@ -898,7 +898,7 @@ func createArchive(t testing.TB, sourceDirPath, destinationArchivePath string, l
 func setupArchiveTest(t testing.TB, sourceDirPath string, layer2 bool) string {
 	t.Helper()
 
-	archivePrefix, err := os.CreateTemp("", "syft-archive-TEST-")
+	archivePrefix, err := os.CreateTemp(t.TempDir(), "syft-archive-TEST-")
 	require.NoError(t, err)
 
 	t.Cleanup(
@@ -913,14 +913,6 @@ func setupArchiveTest(t testing.TB, sourceDirPath string, layer2 bool) string {
 	t.Logf("archive path: %s", destinationArchiveFilePath)
 	createArchive(t, sourceDirPath, destinationArchiveFilePath, layer2)
 
-	t.Cleanup(
-		assertNoError(t,
-			func() error {
-				return os.Remove(destinationArchiveFilePath)
-			},
-		),
-	)
-
 	cwd, err := os.Getwd()
 	require.NoError(t, err)
 

test/cli/cyclonedx_valid_test.go

@@ -44,9 +44,7 @@ func TestValidCycloneDX(t *testing.T) {
 			args := []string{
 				test.subcommand, fixtureRef, "-q",
 			}
-			for _, a := range test.args {
-				args = append(args, a)
-			}
+			args = append(args, test.args...)
 
 			cmd, stdout, stderr := runSyft(t, nil, args...)
 			for _, traitFn := range test.assertions {

test/cli/json_schema_test.go

@@ -57,9 +57,7 @@ func TestJSONSchema(t *testing.T) {
 			args := []string{
 				test.subcommand, fixtureRef, "-q",
 			}
-			for _, a := range test.args {
-				args = append(args, a)
-			}
+			args = append(args, test.args...)
 
 			_, stdout, stderr := runSyft(t, nil, args...)
 

test/cli/spdx_json_schema_test.go

@@ -50,9 +50,7 @@ func TestSPDXJSONSchema(t *testing.T) {
 			args := []string{
 				test.subcommand, fixtureRef, "-q",
 			}
-			for _, a := range test.args {
-				args = append(args, a)
-			}
+			args = append(args, test.args...)
 
 			_, stdout, _ := runSyft(t, nil, args...)
 

test/integration/encode_decode_cycle_test.go

@@ -2,7 +2,6 @@ package integration
 
 import (
 	"bytes"
-	"fmt"
 	"regexp"
 	"testing"
 
@@ -64,7 +63,7 @@ func TestEncodeDecodeEncodeCycleComparison(t *testing.T) {
 	}
 
 	for _, test := range tests {
-		t.Run(fmt.Sprintf("%s", test.formatOption), func(t *testing.T) {
+		t.Run(string(test.formatOption), func(t *testing.T) {
 			for _, image := range images {
 				originalSBOM, _ := catalogFixtureImage(t, image, source.SquashedScope, nil)