test: add more test for go part

Signed-off-by: Zxilly <[email protected]>

internal/utils/utils_test.go

@@ -2,6 +2,7 @@ package utils
 
 import (
 	"debug/gosym"
+	"debug/pe"
 	"fmt"
 	"maps"
 	"reflect"
@@ -173,3 +174,9 @@ func TestCollect(t *testing.T) {
 		assert.Contains(t, result, k)
 	}
 }
+
+func TestGetImageBase(t *testing.T) {
+	mockFile := new(pe.File)
+	mockFile.OptionalHeader = 42
+	assert.Panics(t, func() { GetImageBase(mockFile) })
+}

internal/wrapper/elf_test.go

@@ -0,0 +1,38 @@
+package wrapper
+
+import (
+	"debug/elf"
+	"encoding/binary"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGoArchReturnsExpectedArchitectures(t *testing.T) {
+	tests := []struct {
+		machine      elf.Machine
+		expectedArch string
+		byteOrder    binary.ByteOrder
+	}{
+		{elf.EM_386, "386", binary.LittleEndian},
+		{elf.EM_X86_64, "amd64", binary.LittleEndian},
+		{elf.EM_ARM, "arm", binary.LittleEndian},
+		{elf.EM_AARCH64, "arm64", binary.LittleEndian},
+		{elf.EM_PPC64, "ppc64", binary.BigEndian},      // Adjusted for big endian
+		{elf.EM_PPC64, "ppc64le", binary.LittleEndian}, // Explicitly little endian
+		{elf.EM_S390, "s390x", binary.BigEndian},
+		{0, "", binary.LittleEndian}, // Test for an unsupported machine type
+	}
+
+	for _, test := range tests {
+		mockFile := new(elf.File)
+		mockFile.FileHeader = elf.FileHeader{
+			Machine:   test.machine,
+			ByteOrder: test.byteOrder,
+		}
+		wrapper := ElfWrapper{file: mockFile}
+
+		arch := wrapper.GoArch()
+		assert.Equal(t, test.expectedArch, arch)
+	}
+}

internal/wrapper/macho_test.go

@@ -0,0 +1,28 @@
+package wrapper
+
+import (
+	"debug/macho"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGoArchReturnsCorrectArchitectureString(t *testing.T) {
+	tests := []struct {
+		cpu      macho.Cpu
+		expected string
+	}{
+		{macho.Cpu386, "386"},
+		{macho.CpuAmd64, "amd64"},
+		{macho.CpuArm, "arm"},
+		{macho.CpuArm64, "arm64"},
+		{macho.CpuPpc64, "ppc64"},
+		{macho.Cpu(0), ""}, // Unsupported CPU type
+	}
+
+	for _, test := range tests {
+		m := MachoWrapper{file: &macho.File{FileHeader: macho.FileHeader{Cpu: test.cpu}}}
+		result := m.GoArch()
+		assert.Equal(t, test.expected, result)
+	}
+}

internal/wrapper/pe_test.go

@@ -0,0 +1,32 @@
+package wrapper
+
+import (
+	"debug/pe"
+	"testing"
+)
+
+func TestGoArchReturnsExpectedArchitectureString(t *testing.T) {
+	tests := []struct {
+		name     string
+		machine  uint16
+		expected string
+	}{
+		{"Returns386ForI386Machine", pe.IMAGE_FILE_MACHINE_I386, "386"},
+		{"ReturnsAmd64ForAmd64Machine", pe.IMAGE_FILE_MACHINE_AMD64, "amd64"},
+		{"ReturnsArmForArmMachine", pe.IMAGE_FILE_MACHINE_ARMNT, "arm"},
+		{"ReturnsArm64ForArm64Machine", pe.IMAGE_FILE_MACHINE_ARM64, "arm64"},
+		{"ReturnsEmptyStringForUnknownMachine", 0xFFFF, ""},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			mockFile := &pe.File{FileHeader: pe.FileHeader{Machine: test.machine}}
+			wrapper := PeWrapper{file: mockFile}
+
+			result := wrapper.GoArch()
+			if result != test.expected {
+				t.Errorf("Expected %s, got %s for machine type %v", test.expected, result, test.machine)
+			}
+		})
+	}
+}

internal/wrapper/wrapper_test.go

@@ -0,0 +1,12 @@
+package wrapper
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewWrapper(t *testing.T) {
+	ret := NewWrapper(nil)
+	assert.Equal(t, nil, ret)
+}