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https://github.com/distribution/distribution
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375f3cc136
This commit adds regular expression definitions for several string identifiers used througout the registry. The repository name regex supports up to five path path components and restricts repeated periods, dashes and underscores. The tag regex simply validates the length of the tag and that printable characters are required. Though we define a new package common, these definition should land in docker core.
80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
package common
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import (
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"reflect"
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"testing"
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)
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func TestParseTarSumComponents(t *testing.T) {
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for _, testcase := range []struct {
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input string
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expected TarSumInfo
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err error
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}{
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{
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input: "tarsum.v1+sha256:220a60ecd4a3c32c282622a625a54db9ba0ff55b5ba9c29c7064a2bc358b6a3e",
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expected: TarSumInfo{
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Version: "v1",
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Algorithm: "sha256",
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Digest: "220a60ecd4a3c32c282622a625a54db9ba0ff55b5ba9c29c7064a2bc358b6a3e",
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},
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},
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{
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input: "",
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err: InvalidTarSumError{},
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},
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{
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input: "purejunk",
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err: InvalidTarSumError{TarSum: "purejunk"},
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},
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{
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input: "tarsum.v23+test:12341234123412341effefefe",
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expected: TarSumInfo{
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Version: "v23",
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Algorithm: "test",
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Digest: "12341234123412341effefefe",
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},
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},
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// The following test cases are ported from docker core
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{
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// Version 0 tarsum
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input: "tarsum+sha256:e58fcf7418d4390dec8e8fb69d88c06ec07039d651fedd3aa72af9972e7d046b",
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expected: TarSumInfo{
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Algorithm: "sha256",
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Digest: "e58fcf7418d4390dec8e8fb69d88c06ec07039d651fedd3aa72af9972e7d046b",
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},
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},
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{
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// Dev version tarsum
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input: "tarsum.dev+sha256:e58fcf7418d4390dec8e8fb69d88c06ec07039d651fedd3aa72af9972e7d046b",
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expected: TarSumInfo{
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Version: "dev",
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Algorithm: "sha256",
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Digest: "e58fcf7418d4390dec8e8fb69d88c06ec07039d651fedd3aa72af9972e7d046b",
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},
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},
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} {
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tsi, err := ParseTarSum(testcase.input)
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if err != nil {
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if testcase.err != nil && err == testcase.err {
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continue // passes
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}
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t.Fatalf("unexpected error parsing tarsum: %v", err)
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}
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if testcase.err != nil {
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t.Fatalf("expected error not encountered on %q: %v", testcase.input, testcase.err)
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}
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if !reflect.DeepEqual(tsi, testcase.expected) {
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t.Fatalf("expected tarsum info: %v != %v", tsi, testcase.expected)
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}
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if testcase.input != tsi.String() {
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t.Fatalf("input should equal output: %q != %q", tsi.String(), testcase.input)
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}
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}
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}
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