test: fuzz

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

Taskfile.yml

@@ -47,10 +47,15 @@ tasks:
     cmds:
       - scripts/fuzz.sh ./internal/tmpl 30s
 
+  fuzz:artifact:
+    cmds:
+      - scripts/fuzz.sh ./internal/artifact 30s
+
   fuzz:
     desc: Run fuzz tests
   cmds:
     - task: fuzz:tmpl
+    - task: fuzz:artifact
 
   test:golden:update:
     desc: Run all tests that write goldne files, updating the files.

internal/artifact/artifact_fuzz_test.go

@@ -4,7 +4,6 @@ import (
 	"crypto/rand"
 	"os"
 	"path/filepath"
-	"strings"
 	"testing"
 )
 
@@ -36,11 +35,9 @@ func FuzzChecksum(f *testing.F) {
 			"blake2s":    true,
 			"sha224":     true,
 			"sha384":     true,
-			"sha3-256":   true,
-			"sha3-512":   true,
 			"sha3-224":   true,
-			"sha3-384":   true,
 			"sha3-256":   true,
+			"sha3-384":   true,
 			"sha3-512":   true,
 		}
 		
@@ -81,6 +78,28 @@ func FuzzChecksumLargeData(f *testing.F) {
 			t.Skip()
 		}
 		
+		// Skip invalid algorithms
+		validAlgorithms := map[string]bool{
+			"sha256":     true,
+			"md5":        true,
+			"sha1":       true,
+			"crc32":      true,
+			"sha512":     true,
+			"blake2b":    true,
+			"blake2s":    true,
+			"sha224":     true,
+			"sha384":     true,
+			"sha3-224":   true,
+			"sha3-256":   true,
+			"sha3-384":   true,
+			"sha3-512":   true,
+		}
+		
+		// Only test with valid algorithms to avoid expected errors
+		if !validAlgorithms[algorithm] {
+			t.Skip()
+		}
+		
 		// Generate random data of specified size
 		data := make([]byte, size)
 		if _, err := rand.Read(data); err != nil {

internal/artifact/testdata/fuzz/FuzzChecksumLargeData/9f2a0bc58229b2e8

@@ -0,0 +1,3 @@
+go test fuzz v1
+string("0")
+int(50000)

scripts/fuzz.sh

@@ -1,10 +1,11 @@
 #!/bin/bash
 pkg="$1"
-timeout="$1"
+timeout="$2"
 
-grep "func Fuzz" "$pkg" |
-	cut -f1 -d'(' |
+grep "func Fuzz" "$pkg"/*.go |
 	cut -f2 -d' ' |
+	cut -f1 -d'(' |
 	while read -r f; do
 		go test -fuzztime="$timeout" -fuzz="$f" "$pkg"/...
 	done
+go test "$pkg"/...