github.com/anchore/syft@v1.4.2-0.20240516191711-1bec1fc5d397/syft/pkg/cataloger/debian/dependency_test.go (about)

     1  package debian
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/stretchr/testify/assert"
     7  
     8  	"github.com/anchore/syft/syft/pkg"
     9  	"github.com/anchore/syft/syft/pkg/cataloger/internal/dependency"
    10  )
    11  
    12  func Test_dbEntryDependencySpecifier(t *testing.T) {
    13  	tests := []struct {
    14  		name string
    15  		p    pkg.Package
    16  		want dependency.Specification
    17  	}{
    18  		{
    19  			name: "keeps given values + package name",
    20  			p: pkg.Package{
    21  				Name: "package-c",
    22  				Metadata: pkg.DpkgDBEntry{
    23  					Provides: []string{"a-thing"},
    24  					Depends:  []string{"b-thing"},
    25  				},
    26  			},
    27  			want: dependency.Specification{
    28  				Provides: []string{"package-c", "a-thing"},
    29  				Requires: []string{"b-thing"},
    30  			},
    31  		},
    32  		{
    33  			name: "strip version specifiers + split package deps",
    34  			p: pkg.Package{
    35  				Name: "package-a",
    36  				Metadata: pkg.DpkgDBEntry{
    37  					Provides: []string{"foo [i386]"},
    38  					Depends:  []string{"libgmp10 (>= 2:6.2.1+dfsg1)", "default-mta | mail-transport-agent"},
    39  				},
    40  			},
    41  			want: dependency.Specification{
    42  				Provides: []string{"package-a", "foo"},
    43  				Requires: []string{"libgmp10", "default-mta", "mail-transport-agent"},
    44  			},
    45  		},
    46  		{
    47  			name: "empty dependency data entries",
    48  			p: pkg.Package{
    49  				Name: "package-a",
    50  				Metadata: pkg.DpkgDBEntry{
    51  					Provides: []string{""},
    52  					Depends:  []string{""},
    53  				},
    54  			},
    55  			want: dependency.Specification{
    56  				Provides: []string{"package-a"},
    57  				Requires: nil,
    58  			},
    59  		},
    60  	}
    61  	for _, tt := range tests {
    62  		t.Run(tt.name, func(t *testing.T) {
    63  			assert.Equal(t, tt.want, dbEntryDependencySpecifier(tt.p))
    64  		})
    65  	}
    66  }
    67  
    68  func Test_stripVersionSpecifier(t *testing.T) {
    69  
    70  	tests := []struct {
    71  		name  string
    72  		input string
    73  		want  string
    74  	}{
    75  		{
    76  			name:  "package name only",
    77  			input: "test",
    78  			want:  "test",
    79  		},
    80  		{
    81  			name:  "with version",
    82  			input: "test (1.2.3)",
    83  			want:  "test",
    84  		},
    85  		{
    86  			name:  "multiple packages",
    87  			input: "test | other",
    88  			want:  "test | other",
    89  		},
    90  		{
    91  			name:  "with architecture specifiers",
    92  			input: "test [amd64 i386]",
    93  			want:  "test",
    94  		},
    95  	}
    96  	for _, tt := range tests {
    97  		t.Run(tt.name, func(t *testing.T) {
    98  			assert.Equal(t, tt.want, stripVersionSpecifier(tt.input))
    99  		})
   100  	}
   101  }