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