github.com/anchore/syft@v1.4.2-0.20240516191711-1bec1fc5d397/syft/file/cataloger/executable/macho_test.go (about)

     1  package executable
     2  
     3  import (
     4  	"debug/macho"
     5  	"os"
     6  	"path/filepath"
     7  	"testing"
     8  
     9  	"github.com/stretchr/testify/assert"
    10  	"github.com/stretchr/testify/require"
    11  
    12  	"github.com/anchore/syft/syft/internal/unionreader"
    13  )
    14  
    15  func Test_machoHasEntrypoint(t *testing.T) {
    16  
    17  	readerForFixture := func(t *testing.T, fixture string) unionreader.UnionReader {
    18  		t.Helper()
    19  		f, err := os.Open(filepath.Join("test-fixtures/shared-info", fixture))
    20  		require.NoError(t, err)
    21  		return f
    22  	}
    23  
    24  	tests := []struct {
    25  		name    string
    26  		fixture string
    27  		want    bool
    28  	}{
    29  		{
    30  			name:    "shared lib",
    31  			fixture: "bin/libhello.dylib",
    32  			want:    false,
    33  		},
    34  		{
    35  			name:    "application",
    36  			fixture: "bin/hello_mac",
    37  			want:    true,
    38  		},
    39  	}
    40  	for _, tt := range tests {
    41  		t.Run(tt.name, func(t *testing.T) {
    42  			f, err := macho.NewFile(readerForFixture(t, tt.fixture))
    43  			require.NoError(t, err)
    44  			assert.Equal(t, tt.want, machoHasEntrypoint(f))
    45  		})
    46  	}
    47  }
    48  
    49  func Test_machoHasExports(t *testing.T) {
    50  	readerForFixture := func(t *testing.T, fixture string) unionreader.UnionReader {
    51  		t.Helper()
    52  		f, err := os.Open(filepath.Join("test-fixtures/shared-info", fixture))
    53  		require.NoError(t, err)
    54  		return f
    55  	}
    56  
    57  	tests := []struct {
    58  		name    string
    59  		fixture string
    60  		want    bool
    61  	}{
    62  		{
    63  			name:    "shared lib",
    64  			fixture: "bin/libhello.dylib",
    65  			want:    true,
    66  		},
    67  		{
    68  			name:    "application",
    69  			fixture: "bin/hello_mac",
    70  			want:    false,
    71  		},
    72  		{
    73  			name:    "gcc-amd64-darwin-exec-debug",
    74  			fixture: "bin/gcc-amd64-darwin-exec-debug",
    75  			want:    false,
    76  		},
    77  	}
    78  	for _, tt := range tests {
    79  		t.Run(tt.name, func(t *testing.T) {
    80  			f, err := macho.NewFile(readerForFixture(t, tt.fixture))
    81  			require.NoError(t, err)
    82  			assert.Equal(t, tt.want, machoHasExports(f))
    83  		})
    84  	}
    85  }