forked from TrueCloudLab/distribution
737 lines
19 KiB
Go
737 lines
19 KiB
Go
package reference
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import (
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_ "crypto/sha256"
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_ "crypto/sha512"
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"encoding/json"
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"strings"
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"testing"
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"github.com/opencontainers/go-digest"
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)
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func TestReferenceParse(t *testing.T) {
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// referenceTestcases is a unified set of testcases for
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// testing the parsing of references
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referenceTestcases := []struct {
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// input is the repository name or name component testcase
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input string
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// err is the error expected from Parse, or nil
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err error
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// repository is the string representation for the reference
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repository string
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// domain is the domain expected in the reference
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domain string
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// tag is the tag for the reference
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tag string
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// digest is the digest for the reference (enforces digest reference)
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digest string
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}{
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{
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input: "test_com",
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repository: "test_com",
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},
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{
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input: "test.com:tag",
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repository: "test.com",
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tag: "tag",
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},
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{
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input: "test.com:5000",
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repository: "test.com",
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tag: "5000",
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},
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{
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input: "test.com/repo:tag",
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domain: "test.com",
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repository: "test.com/repo",
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tag: "tag",
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},
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{
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input: "test:5000/repo",
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domain: "test:5000",
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repository: "test:5000/repo",
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},
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{
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input: "test:5000/repo:tag",
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domain: "test:5000",
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repository: "test:5000/repo",
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tag: "tag",
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},
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{
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input: "test:5000/repo@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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domain: "test:5000",
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repository: "test:5000/repo",
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digest: "sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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},
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{
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input: "test:5000/repo:tag@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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domain: "test:5000",
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repository: "test:5000/repo",
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tag: "tag",
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digest: "sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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},
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{
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input: "test:5000/repo",
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domain: "test:5000",
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repository: "test:5000/repo",
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},
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{
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input: "",
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err: ErrNameEmpty,
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},
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{
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input: ":justtag",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "repo@sha256:ffffffffffffffffffffffffffffffffff",
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err: digest.ErrDigestInvalidLength,
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},
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{
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input: "validname@invaliddigest:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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err: digest.ErrDigestUnsupported,
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},
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{
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input: "Uppercase:tag",
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err: ErrNameContainsUppercase,
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},
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// FIXME "Uppercase" is incorrectly handled as a domain-name here, therefore passes.
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// See https://github.com/distribution/distribution/pull/1778, and https://github.com/docker/docker/pull/20175
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// {
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// input: "Uppercase/lowercase:tag",
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// err: ErrNameContainsUppercase,
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// },
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{
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input: "test:5000/Uppercase/lowercase:tag",
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err: ErrNameContainsUppercase,
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},
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{
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input: "lowercase:Uppercase",
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repository: "lowercase",
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tag: "Uppercase",
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},
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{
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input: strings.Repeat("a/", 128) + "a:tag",
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err: ErrNameTooLong,
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},
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{
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input: strings.Repeat("a/", 127) + "a:tag-puts-this-over-max",
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domain: "a",
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repository: strings.Repeat("a/", 127) + "a",
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tag: "tag-puts-this-over-max",
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},
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{
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input: "aa/asdf$$^/aa",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "sub-dom1.foo.com/bar/baz/quux",
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domain: "sub-dom1.foo.com",
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repository: "sub-dom1.foo.com/bar/baz/quux",
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},
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{
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input: "sub-dom1.foo.com/bar/baz/quux:some-long-tag",
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domain: "sub-dom1.foo.com",
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repository: "sub-dom1.foo.com/bar/baz/quux",
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tag: "some-long-tag",
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},
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{
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input: "b.gcr.io/test.example.com/my-app:test.example.com",
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domain: "b.gcr.io",
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repository: "b.gcr.io/test.example.com/my-app",
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tag: "test.example.com",
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},
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{
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input: "xn--n3h.com/myimage:xn--n3h.com", // ☃.com in punycode
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domain: "xn--n3h.com",
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repository: "xn--n3h.com/myimage",
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tag: "xn--n3h.com",
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},
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{
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input: "xn--7o8h.com/myimage:xn--7o8h.com@sha512:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", // 🐳.com in punycode
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domain: "xn--7o8h.com",
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repository: "xn--7o8h.com/myimage",
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tag: "xn--7o8h.com",
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digest: "sha512:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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},
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{
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input: "foo_bar.com:8080",
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repository: "foo_bar.com",
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tag: "8080",
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},
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{
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input: "foo/foo_bar.com:8080",
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domain: "foo",
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repository: "foo/foo_bar.com",
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tag: "8080",
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},
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{
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input: "192.168.1.1",
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repository: "192.168.1.1",
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},
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{
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input: "192.168.1.1:tag",
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repository: "192.168.1.1",
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tag: "tag",
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},
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{
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input: "192.168.1.1:5000",
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repository: "192.168.1.1",
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tag: "5000",
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},
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{
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input: "192.168.1.1/repo",
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domain: "192.168.1.1",
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repository: "192.168.1.1/repo",
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},
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{
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input: "192.168.1.1:5000/repo",
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domain: "192.168.1.1:5000",
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repository: "192.168.1.1:5000/repo",
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},
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{
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input: "192.168.1.1:5000/repo:5050",
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domain: "192.168.1.1:5000",
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repository: "192.168.1.1:5000/repo",
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tag: "5050",
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},
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{
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input: "[2001:db8::1]",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "[2001:db8::1]:5000",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "[2001:db8::1]:tag",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "[2001:db8::1]/repo",
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domain: "[2001:db8::1]",
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repository: "[2001:db8::1]/repo",
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},
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{
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input: "[2001:db8:1:2:3:4:5:6]/repo:tag",
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domain: "[2001:db8:1:2:3:4:5:6]",
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repository: "[2001:db8:1:2:3:4:5:6]/repo",
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tag: "tag",
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},
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{
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input: "[2001:db8::1]:5000/repo",
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domain: "[2001:db8::1]:5000",
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repository: "[2001:db8::1]:5000/repo",
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},
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{
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input: "[2001:db8::1]:5000/repo:tag",
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domain: "[2001:db8::1]:5000",
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repository: "[2001:db8::1]:5000/repo",
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tag: "tag",
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},
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{
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input: "[2001:db8::1]:5000/repo@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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domain: "[2001:db8::1]:5000",
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repository: "[2001:db8::1]:5000/repo",
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digest: "sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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},
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{
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input: "[2001:db8::1]:5000/repo:tag@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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domain: "[2001:db8::1]:5000",
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repository: "[2001:db8::1]:5000/repo",
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tag: "tag",
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digest: "sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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},
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{
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input: "[2001:db8::]:5000/repo",
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domain: "[2001:db8::]:5000",
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repository: "[2001:db8::]:5000/repo",
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},
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{
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input: "[::1]:5000/repo",
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domain: "[::1]:5000",
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repository: "[::1]:5000/repo",
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},
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{
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input: "[fe80::1%eth0]:5000/repo",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "[fe80::1%@invalidzone]:5000/repo",
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err: ErrReferenceInvalidFormat,
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},
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}
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for _, testcase := range referenceTestcases {
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testcase := testcase
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t.Run(testcase.input, func(t *testing.T) {
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repo, err := Parse(testcase.input)
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if testcase.err != nil {
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if err == nil {
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t.Errorf("missing expected error: %v", testcase.err)
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} else if testcase.err != err {
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t.Errorf("mismatched error: got %v, expected %v", err, testcase.err)
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}
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return
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} else if err != nil {
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t.Errorf("unexpected parse error: %v", err)
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return
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}
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if repo.String() != testcase.input {
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t.Errorf("mismatched repo: got %q, expected %q", repo.String(), testcase.input)
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}
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if named, ok := repo.(Named); ok {
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if named.Name() != testcase.repository {
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t.Errorf("unexpected repository: got %q, expected %q", named.Name(), testcase.repository)
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}
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domain, _ := SplitHostname(named)
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if domain != testcase.domain {
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t.Errorf("unexpected domain: got %q, expected %q", domain, testcase.domain)
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}
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} else if testcase.repository != "" || testcase.domain != "" {
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t.Errorf("expected named type, got %T", repo)
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}
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tagged, ok := repo.(Tagged)
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if testcase.tag != "" {
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if ok {
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if tagged.Tag() != testcase.tag {
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t.Errorf("unexpected tag: got %q, expected %q", tagged.Tag(), testcase.tag)
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}
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} else {
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t.Errorf("expected tagged type, got %T", repo)
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}
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} else if ok {
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t.Errorf("unexpected tagged type")
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}
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digested, ok := repo.(Digested)
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if testcase.digest != "" {
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if ok {
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if digested.Digest().String() != testcase.digest {
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t.Errorf("unexpected digest: got %q, expected %q", digested.Digest().String(), testcase.digest)
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}
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} else {
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t.Errorf("expected digested type, got %T", repo)
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}
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} else if ok {
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t.Errorf("unexpected digested type")
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}
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})
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}
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}
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// TestWithNameFailure tests cases where WithName should fail. Cases where it
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// should succeed are covered by TestSplitHostname, below.
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func TestWithNameFailure(t *testing.T) {
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testcases := []struct {
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input string
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err error
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}{
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{
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input: "",
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err: ErrNameEmpty,
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},
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{
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input: ":justtag",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: "validname@invaliddigest:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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err: ErrReferenceInvalidFormat,
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},
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{
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input: strings.Repeat("a/", 128) + "a:tag",
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err: ErrNameTooLong,
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},
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{
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input: "aa/asdf$$^/aa",
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err: ErrReferenceInvalidFormat,
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},
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}
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for _, testcase := range testcases {
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testcase := testcase
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t.Run(testcase.input, func(t *testing.T) {
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_, err := WithName(testcase.input)
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if err == nil {
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t.Errorf("no error parsing name. expected: %s", testcase.err)
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}
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})
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}
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}
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func TestSplitHostname(t *testing.T) {
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testcases := []struct {
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input string
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domain string
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name string
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}{
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{
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input: "test.com/foo",
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domain: "test.com",
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name: "foo",
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},
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{
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input: "test_com/foo",
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domain: "",
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name: "test_com/foo",
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},
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{
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input: "test:8080/foo",
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domain: "test:8080",
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name: "foo",
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},
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{
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input: "test.com:8080/foo",
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domain: "test.com:8080",
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name: "foo",
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},
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{
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input: "test-com:8080/foo",
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domain: "test-com:8080",
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name: "foo",
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},
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{
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input: "xn--n3h.com:18080/foo",
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domain: "xn--n3h.com:18080",
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name: "foo",
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},
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}
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for _, testcase := range testcases {
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testcase := testcase
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t.Run(testcase.input, func(t *testing.T) {
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named, err := WithName(testcase.input)
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if err != nil {
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t.Errorf("error parsing name: %s", err)
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}
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domain, name := SplitHostname(named)
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if domain != testcase.domain {
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t.Errorf("unexpected domain: got %q, expected %q", domain, testcase.domain)
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}
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if name != testcase.name {
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t.Errorf("unexpected name: got %q, expected %q", name, testcase.name)
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}
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})
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}
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}
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type serializationType struct {
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Description string
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Field Field
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}
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func TestSerialization(t *testing.T) {
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testcases := []struct {
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description string
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input string
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name string
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tag string
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digest string
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err error
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}{
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{
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description: "empty value",
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err: ErrNameEmpty,
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},
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{
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description: "just a name",
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input: "example.com:8000/named",
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name: "example.com:8000/named",
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},
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{
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description: "name with a tag",
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input: "example.com:8000/named:tagged",
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name: "example.com:8000/named",
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tag: "tagged",
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},
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{
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description: "name with digest",
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input: "other.com/named@sha256:1234567890098765432112345667890098765432112345667890098765432112",
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name: "other.com/named",
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digest: "sha256:1234567890098765432112345667890098765432112345667890098765432112",
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},
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}
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for _, testcase := range testcases {
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testcase := testcase
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t.Run(testcase.description, func(t *testing.T) {
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m := map[string]string{
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"Description": testcase.description,
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"Field": testcase.input,
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}
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b, err := json.Marshal(m)
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if err != nil {
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t.Errorf("error marshalling: %v", err)
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}
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st := serializationType{}
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if err := json.Unmarshal(b, &st); err != nil {
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if testcase.err == nil {
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t.Errorf("error unmarshalling: %v", err)
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}
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if err != testcase.err {
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t.Errorf("wrong error, expected %v, got %v", testcase.err, err)
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}
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return
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} else if testcase.err != nil {
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t.Errorf("expected error unmarshalling: %v", testcase.err)
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}
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if st.Description != testcase.description {
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t.Errorf("wrong description, expected %q, got %q", testcase.description, st.Description)
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}
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ref := st.Field.Reference()
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if named, ok := ref.(Named); ok {
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if named.Name() != testcase.name {
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t.Errorf("unexpected repository: got %q, expected %q", named.Name(), testcase.name)
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}
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} else if testcase.name != "" {
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t.Errorf("expected named type, got %T", ref)
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}
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tagged, ok := ref.(Tagged)
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if testcase.tag != "" {
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if ok {
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if tagged.Tag() != testcase.tag {
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t.Errorf("unexpected tag: got %q, expected %q", tagged.Tag(), testcase.tag)
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}
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} else {
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t.Errorf("expected tagged type, got %T", ref)
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}
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} else if ok {
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t.Errorf("unexpected tagged type")
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}
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digested, ok := ref.(Digested)
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if testcase.digest != "" {
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if ok {
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if digested.Digest().String() != testcase.digest {
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t.Errorf("unexpected digest: got %q, expected %q", digested.Digest().String(), testcase.digest)
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}
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} else {
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t.Errorf("expected digested type, got %T", ref)
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}
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} else if ok {
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t.Errorf("unexpected digested type")
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}
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st = serializationType{
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Description: testcase.description,
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Field: AsField(ref),
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}
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b2, err := json.Marshal(st)
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if err != nil {
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t.Errorf("error marshing serialization type: %v", err)
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}
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if string(b) != string(b2) {
|
|
t.Errorf("unexpected serialized value: expected %q, got %q", string(b), string(b2))
|
|
}
|
|
|
|
// Ensure st.Field is not implementing "Reference" directly, getting
|
|
// around the Reference type system
|
|
var fieldInterface interface{} = st.Field
|
|
if _, ok := fieldInterface.(Reference); ok {
|
|
t.Errorf("field should not implement Reference interface")
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestWithTag(t *testing.T) {
|
|
testcases := []struct {
|
|
name string
|
|
digest digest.Digest
|
|
tag string
|
|
combined string
|
|
}{
|
|
{
|
|
name: "test.com/foo",
|
|
tag: "tag",
|
|
combined: "test.com/foo:tag",
|
|
},
|
|
{
|
|
name: "foo",
|
|
tag: "tag2",
|
|
combined: "foo:tag2",
|
|
},
|
|
{
|
|
name: "test.com:8000/foo",
|
|
tag: "tag4",
|
|
combined: "test.com:8000/foo:tag4",
|
|
},
|
|
{
|
|
name: "test.com:8000/foo",
|
|
tag: "TAG5",
|
|
combined: "test.com:8000/foo:TAG5",
|
|
},
|
|
{
|
|
name: "test.com:8000/foo",
|
|
digest: "sha256:1234567890098765432112345667890098765",
|
|
tag: "TAG5",
|
|
combined: "test.com:8000/foo:TAG5@sha256:1234567890098765432112345667890098765",
|
|
},
|
|
}
|
|
for _, testcase := range testcases {
|
|
testcase := testcase
|
|
t.Run(testcase.combined, func(t *testing.T) {
|
|
named, err := WithName(testcase.name)
|
|
if err != nil {
|
|
t.Errorf("error parsing name: %s", err)
|
|
}
|
|
if testcase.digest != "" {
|
|
canonical, err := WithDigest(named, testcase.digest)
|
|
if err != nil {
|
|
t.Errorf("error adding digest")
|
|
}
|
|
named = canonical
|
|
}
|
|
|
|
tagged, err := WithTag(named, testcase.tag)
|
|
if err != nil {
|
|
t.Errorf("WithTag failed: %s", err)
|
|
}
|
|
if tagged.String() != testcase.combined {
|
|
t.Errorf("unexpected: got %q, expected %q", tagged.String(), testcase.combined)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestWithDigest(t *testing.T) {
|
|
testcases := []struct {
|
|
name string
|
|
digest digest.Digest
|
|
tag string
|
|
combined string
|
|
}{
|
|
{
|
|
name: "test.com/foo",
|
|
digest: "sha256:1234567890098765432112345667890098765",
|
|
combined: "test.com/foo@sha256:1234567890098765432112345667890098765",
|
|
},
|
|
{
|
|
name: "foo",
|
|
digest: "sha256:1234567890098765432112345667890098765",
|
|
combined: "foo@sha256:1234567890098765432112345667890098765",
|
|
},
|
|
{
|
|
name: "test.com:8000/foo",
|
|
digest: "sha256:1234567890098765432112345667890098765",
|
|
combined: "test.com:8000/foo@sha256:1234567890098765432112345667890098765",
|
|
},
|
|
{
|
|
name: "test.com:8000/foo",
|
|
digest: "sha256:1234567890098765432112345667890098765",
|
|
tag: "latest",
|
|
combined: "test.com:8000/foo:latest@sha256:1234567890098765432112345667890098765",
|
|
},
|
|
}
|
|
for _, testcase := range testcases {
|
|
testcase := testcase
|
|
t.Run(testcase.combined, func(t *testing.T) {
|
|
named, err := WithName(testcase.name)
|
|
if err != nil {
|
|
t.Errorf("error parsing name: %s", err)
|
|
}
|
|
if testcase.tag != "" {
|
|
tagged, err := WithTag(named, testcase.tag)
|
|
if err != nil {
|
|
t.Errorf("error adding tag")
|
|
}
|
|
named = tagged
|
|
}
|
|
digested, err := WithDigest(named, testcase.digest)
|
|
if err != nil {
|
|
t.Errorf("WithDigest failed: %s", err)
|
|
}
|
|
if digested.String() != testcase.combined {
|
|
t.Errorf("unexpected: got %q, expected %q", digested.String(), testcase.combined)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestParseNamed(t *testing.T) {
|
|
testcases := []struct {
|
|
input string
|
|
domain string
|
|
name string
|
|
err error
|
|
}{
|
|
{
|
|
input: "test.com/foo",
|
|
domain: "test.com",
|
|
name: "foo",
|
|
},
|
|
{
|
|
input: "test:8080/foo",
|
|
domain: "test:8080",
|
|
name: "foo",
|
|
},
|
|
{
|
|
input: "test_com/foo",
|
|
err: ErrNameNotCanonical,
|
|
},
|
|
{
|
|
input: "test.com",
|
|
err: ErrNameNotCanonical,
|
|
},
|
|
{
|
|
input: "foo",
|
|
err: ErrNameNotCanonical,
|
|
},
|
|
{
|
|
input: "library/foo",
|
|
err: ErrNameNotCanonical,
|
|
},
|
|
{
|
|
input: "docker.io/library/foo",
|
|
domain: "docker.io",
|
|
name: "library/foo",
|
|
},
|
|
// Ambiguous case, parser will add "library/" to foo
|
|
{
|
|
input: "docker.io/foo",
|
|
err: ErrNameNotCanonical,
|
|
},
|
|
}
|
|
for _, testcase := range testcases {
|
|
testcase := testcase
|
|
t.Run(testcase.input, func(t *testing.T) {
|
|
named, err := ParseNamed(testcase.input)
|
|
if err != nil && testcase.err == nil {
|
|
t.Errorf("error parsing name: %s", err)
|
|
return
|
|
} else if err == nil && testcase.err != nil {
|
|
t.Errorf("parsing succeeded: expected error %v", testcase.err)
|
|
return
|
|
} else if err != testcase.err {
|
|
t.Errorf("unexpected error %v, expected %v", err, testcase.err)
|
|
return
|
|
} else if err != nil {
|
|
return
|
|
}
|
|
|
|
domain, name := SplitHostname(named)
|
|
if domain != testcase.domain {
|
|
t.Errorf("unexpected domain: got %q, expected %q", domain, testcase.domain)
|
|
}
|
|
if name != testcase.name {
|
|
t.Errorf("unexpected name: got %q, expected %q", name, testcase.name)
|
|
}
|
|
})
|
|
}
|
|
}
|