forked from anchore/syft
-
Notifications
You must be signed in to change notification settings - Fork 0
/
utils.go
200 lines (171 loc) · 5.43 KB
/
utils.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
package testutils
import (
"bytes"
"testing"
"github.com/anchore/syft/syft/presenter"
"github.com/anchore/go-testutils"
"github.com/anchore/stereoscope/pkg/filetree"
"github.com/anchore/stereoscope/pkg/imagetest"
"github.com/anchore/syft/syft/distro"
"github.com/anchore/syft/syft/pkg"
"github.com/anchore/syft/syft/source"
"github.com/sergi/go-diff/diffmatchpatch"
"github.com/stretchr/testify/assert"
)
type redactor func(s []byte) []byte
func AssertPresenterAgainstGoldenImageSnapshot(t *testing.T, pres presenter.Presenter, testImage string, updateSnapshot bool, redactors ...redactor) {
var buffer bytes.Buffer
// grab the latest image contents and persist
if updateSnapshot {
imagetest.UpdateGoldenFixtureImage(t, testImage)
}
err := pres.Present(&buffer)
assert.NoError(t, err)
actual := buffer.Bytes()
// replace the expected snapshot contents with the current presenter contents
if updateSnapshot {
testutils.UpdateGoldenFileContents(t, actual)
}
var expected = testutils.GetGoldenFileContents(t)
// remove dynamic values, which should be tested independently
for _, r := range redactors {
actual = r(actual)
expected = r(expected)
}
// assert that the golden file snapshot matches the actual contents
if !bytes.Equal(expected, actual) {
dmp := diffmatchpatch.New()
diffs := dmp.DiffMain(string(expected), string(actual), true)
t.Errorf("mismatched output:\n%s", dmp.DiffPrettyText(diffs))
}
}
func AssertPresenterAgainstGoldenSnapshot(t *testing.T, pres presenter.Presenter, updateSnapshot bool, redactors ...redactor) {
var buffer bytes.Buffer
err := pres.Present(&buffer)
assert.NoError(t, err)
actual := buffer.Bytes()
// replace the expected snapshot contents with the current presenter contents
if updateSnapshot {
testutils.UpdateGoldenFileContents(t, actual)
}
var expected = testutils.GetGoldenFileContents(t)
// remove dynamic values, which should be tested independently
for _, r := range redactors {
actual = r(actual)
expected = r(expected)
}
if !bytes.Equal(expected, actual) {
dmp := diffmatchpatch.New()
diffs := dmp.DiffMain(string(expected), string(actual), true)
t.Errorf("mismatched output:\n%s", dmp.DiffPrettyText(diffs))
}
}
func ImageInput(t testing.TB, testImage string) (*pkg.Catalog, source.Metadata, *distro.Distro) {
t.Helper()
catalog := pkg.NewCatalog()
img := imagetest.GetGoldenFixtureImage(t, testImage)
_, ref1, _ := img.SquashedTree().File("/somefile-1.txt", filetree.FollowBasenameLinks)
_, ref2, _ := img.SquashedTree().File("/somefile-2.txt", filetree.FollowBasenameLinks)
// populate catalog with test data
catalog.Add(pkg.Package{
ID: "package-1-id",
Name: "package-1",
Version: "1.0.1",
Locations: []source.Location{
source.NewLocationFromImage(string(ref1.RealPath), *ref1, img),
},
Type: pkg.PythonPkg,
FoundBy: "the-cataloger-1",
Language: pkg.Python,
MetadataType: pkg.PythonPackageMetadataType,
Licenses: []string{"MIT"},
Metadata: pkg.PythonPackageMetadata{
Name: "package-1",
Version: "1.0.1",
},
PURL: "a-purl-1",
CPEs: []pkg.CPE{
pkg.MustCPE("cpe:2.3:*:some:package:1:*:*:*:*:*:*:*"),
},
})
catalog.Add(pkg.Package{
ID: "package-2-id",
Name: "package-2",
Version: "2.0.1",
Locations: []source.Location{
source.NewLocationFromImage(string(ref2.RealPath), *ref2, img),
},
Type: pkg.DebPkg,
FoundBy: "the-cataloger-2",
MetadataType: pkg.DpkgMetadataType,
Metadata: pkg.DpkgMetadata{
Package: "package-2",
Version: "2.0.1",
},
PURL: "a-purl-2",
CPEs: []pkg.CPE{
pkg.MustCPE("cpe:2.3:*:some:package:2:*:*:*:*:*:*:*"),
},
})
// this is a hard coded value that is not given by the fixture helper and must be provided manually
img.Metadata.ManifestDigest = "sha256:2731251dc34951c0e50fcc643b4c5f74922dad1a5d98f302b504cf46cd5d9368"
src, err := source.NewFromImage(img, "user-image-input")
assert.NoError(t, err)
dist, err := distro.NewDistro(distro.Debian, "1.2.3", "like!")
assert.NoError(t, err)
return catalog, src.Metadata, &dist
}
func DirectoryInput(t testing.TB) (*pkg.Catalog, source.Metadata, *distro.Distro) {
catalog := pkg.NewCatalog()
// populate catalog with test data
catalog.Add(pkg.Package{
ID: "package-1-id",
Name: "package-1",
Version: "1.0.1",
Type: pkg.PythonPkg,
FoundBy: "the-cataloger-1",
Locations: []source.Location{
{RealPath: "/some/path/pkg1"},
},
Language: pkg.Python,
MetadataType: pkg.PythonPackageMetadataType,
Licenses: []string{"MIT"},
Metadata: pkg.PythonPackageMetadata{
Name: "package-1",
Version: "1.0.1",
Files: []pkg.PythonFileRecord{
{
Path: "/some/path/pkg1/dependencies/foo",
},
},
},
PURL: "a-purl-2",
CPEs: []pkg.CPE{
pkg.MustCPE("cpe:2.3:*:some:package:2:*:*:*:*:*:*:*"),
},
})
catalog.Add(pkg.Package{
ID: "package-2-id",
Name: "package-2",
Version: "2.0.1",
Type: pkg.DebPkg,
FoundBy: "the-cataloger-2",
Locations: []source.Location{
{RealPath: "/some/path/pkg1"},
},
MetadataType: pkg.DpkgMetadataType,
Metadata: pkg.DpkgMetadata{
Package: "package-2",
Version: "2.0.1",
},
PURL: "a-purl-2",
CPEs: []pkg.CPE{
pkg.MustCPE("cpe:2.3:*:some:package:2:*:*:*:*:*:*:*"),
},
})
dist, err := distro.NewDistro(distro.Debian, "1.2.3", "like!")
assert.NoError(t, err)
src, err := source.NewFromDirectory("/some/path")
assert.NoError(t, err)
return catalog, src.Metadata, &dist
}