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

     1  package arch
     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.AlpmDBEntry{
    23  					Provides: []string{"a-thing"},
    24  					Depends:  []string{"b-thing"},
    25  				},
    26  			},
    27  			want: dependency.Specification{
    28  				Provides: []string{"package-c", "a-thing", "a-thing"}, //  note: gets deduplicated downstream
    29  				Requires: []string{"b-thing"},
    30  			},
    31  		},
    32  		{
    33  			name: "strip version specifiers",
    34  			p: pkg.Package{
    35  				Name: "package-a",
    36  				Metadata: pkg.AlpmDBEntry{
    37  					Provides: []string{"libtree-sitter.so.me=1-64"},
    38  					Depends:  []string{"libtree-sitter.so.thing=2-64"},
    39  				},
    40  			},
    41  			want: dependency.Specification{
    42  				Provides: []string{"package-a", "libtree-sitter.so.me=1-64", "libtree-sitter.so.me"},
    43  				Requires: []string{"libtree-sitter.so.thing=2-64"},
    44  			},
    45  		},
    46  		{
    47  			name: "empty dependency data entries",
    48  			p: pkg.Package{
    49  				Name: "package-a",
    50  				Metadata: pkg.AlpmDBEntry{
    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  	tests := []struct {
    70  		name    string
    71  		version string
    72  		want    string
    73  	}{
    74  		{
    75  			name:    "empty expression",
    76  			version: "",
    77  			want:    "",
    78  		},
    79  		{
    80  			name:    "no expression",
    81  			version: "gcc-libs",
    82  			want:    "gcc-libs",
    83  		},
    84  		{
    85  			name:    "=",
    86  			version: "libtree-sitter.so=0-64",
    87  			want:    "libtree-sitter.so",
    88  		},
    89  		{
    90  			name:    "ignores file paths",
    91  			version: "/bin/sh",
    92  			want:    "/bin/sh",
    93  		},
    94  	}
    95  	for _, tt := range tests {
    96  		t.Run(tt.name, func(t *testing.T) {
    97  			assert.Equal(t, tt.want, stripVersionSpecifier(tt.version))
    98  		})
    99  	}
   100  }