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
|
package digest
import (
"testing"
)
func TestParseDigest(t *testing.T) {
for _, testcase := range []struct {
input string
err error
algorithm Algorithm
hex string
}{
{
input: "sha256:e58fcf7418d4390dec8e8fb69d88c06ec07039d651fedd3aa72af9972e7d046b",
algorithm: "sha256",
hex: "e58fcf7418d4390dec8e8fb69d88c06ec07039d651fedd3aa72af9972e7d046b",
},
{
input: "sha384:d3fc7881460b7e22e3d172954463dddd7866d17597e7248453c48b3e9d26d9596bf9c4a9cf8072c9d5bad76e19af801d",
algorithm: "sha384",
hex: "d3fc7881460b7e22e3d172954463dddd7866d17597e7248453c48b3e9d26d9596bf9c4a9cf8072c9d5bad76e19af801d",
},
{
// empty hex
input: "sha256:",
err: ErrDigestInvalidFormat,
},
{
// just hex
input: "d41d8cd98f00b204e9800998ecf8427e",
err: ErrDigestInvalidFormat,
},
{
// not hex
input: "sha256:d41d8cd98f00b204e9800m98ecf8427e",
err: ErrDigestInvalidFormat,
},
{
// too short
input: "sha256:abcdef0123456789",
err: ErrDigestInvalidLength,
},
{
// too short (from different algorithm)
input: "sha512:abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789",
err: ErrDigestInvalidLength,
},
{
input: "foo:d41d8cd98f00b204e9800998ecf8427e",
err: ErrDigestUnsupported,
},
} {
digest, err := ParseDigest(testcase.input)
if err != testcase.err {
t.Fatalf("error differed from expected while parsing %q: %v != %v", testcase.input, err, testcase.err)
}
if testcase.err != nil {
continue
}
if digest.Algorithm() != testcase.algorithm {
t.Fatalf("incorrect algorithm for parsed digest: %q != %q", digest.Algorithm(), testcase.algorithm)
}
if digest.Hex() != testcase.hex {
t.Fatalf("incorrect hex for parsed digest: %q != %q", digest.Hex(), testcase.hex)
}
// Parse string return value and check equality
newParsed, err := ParseDigest(digest.String())
if err != nil {
t.Fatalf("unexpected error parsing input %q: %v", testcase.input, err)
}
if newParsed != digest {
t.Fatalf("expected equal: %q != %q", newParsed, digest)
}
}
}
|
