985ee759e7
This was using a different regexp from the intended one. This meant that tags with uppercase characters were not accepted. Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
486 lines
12 KiB
Go
486 lines
12 KiB
Go
package reference
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import (
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"encoding/json"
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"strconv"
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"strings"
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"testing"
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"github.com/docker/distribution/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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// hostname is the hostname expected in the reference
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hostname 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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hostname: "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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hostname: "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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hostname: "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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hostname: "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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hostname: "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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hostname: "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: "validname@invaliddigest:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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err: digest.ErrDigestUnsupported,
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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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hostname: "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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hostname: "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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hostname: "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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hostname: "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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hostname: "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:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", // 🐳.com in punycode
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hostname: "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:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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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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hostname: "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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for _, testcase := range referenceTestcases {
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failf := func(format string, v ...interface{}) {
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t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
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t.Fail()
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}
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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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failf("missing expected error: %v", testcase.err)
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} else if testcase.err != err {
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failf("mismatched error: got %v, expected %v", err, testcase.err)
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}
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continue
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} else if err != nil {
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failf("unexpected parse error: %v", err)
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continue
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}
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if repo.String() != testcase.input {
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failf("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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failf("unexpected repository: got %q, expected %q", named.Name(), testcase.repository)
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}
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hostname, _ := SplitHostname(named)
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if hostname != testcase.hostname {
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failf("unexpected hostname: got %q, expected %q", hostname, testcase.hostname)
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}
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} else if testcase.repository != "" || testcase.hostname != "" {
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failf("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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failf("unexpected tag: got %q, expected %q", tagged.Tag(), testcase.tag)
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}
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} else {
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failf("expected tagged type, got %T", repo)
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}
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} else if ok {
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failf("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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failf("unexpected digest: got %q, expected %q", digested.Digest().String(), testcase.digest)
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}
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} else {
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failf("expected digested type, got %T", repo)
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}
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} else if ok {
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failf("unexpected digested type")
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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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hostname 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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hostname: "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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hostname: "",
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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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hostname: "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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hostname: "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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hostname: "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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hostname: "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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failf := func(format string, v ...interface{}) {
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t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
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t.Fail()
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}
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named, err := WithName(testcase.input)
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if err != nil {
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failf("error parsing name: %s", err)
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}
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hostname, name := SplitHostname(named)
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if hostname != testcase.hostname {
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failf("unexpected hostname: got %q, expected %q", hostname, testcase.hostname)
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}
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if name != testcase.name {
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failf("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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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@sha256:1234567890098765432112345667890098765",
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name: "other.com/named",
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digest: "sha256:1234567890098765432112345667890098765",
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},
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}
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for _, testcase := range testcases {
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failf := func(format string, v ...interface{}) {
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t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
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t.Fail()
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}
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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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failf("error marshalling: %v", err)
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}
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t := serializationType{}
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if err := json.Unmarshal(b, &t); err != nil {
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if testcase.err == nil {
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failf("error unmarshalling: %v", err)
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}
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if err != testcase.err {
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failf("wrong error, expected %v, got %v", testcase.err, err)
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}
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continue
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} else if testcase.err != nil {
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failf("expected error unmarshalling: %v", testcase.err)
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}
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if t.Description != testcase.description {
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failf("wrong description, expected %q, got %q", testcase.description, t.Description)
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}
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ref := t.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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failf("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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failf("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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failf("unexpected tag: got %q, expected %q", tagged.Tag(), testcase.tag)
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}
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} else {
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failf("expected tagged type, got %T", ref)
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}
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} else if ok {
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failf("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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failf("unexpected digest: got %q, expected %q", digested.Digest().String(), testcase.digest)
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}
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} else {
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failf("expected digested type, got %T", ref)
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}
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} else if ok {
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failf("unexpected digested type")
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}
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t = 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(t)
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if err != nil {
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failf("error marshing serialization type: %v", err)
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}
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if string(b) != string(b2) {
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failf("unexpected serialized value: expected %q, got %q", string(b), string(b2))
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}
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// Ensure t.Field is not implementing "Reference" directly, getting
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// around the Reference type system
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var fieldInterface interface{} = t.Field
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if _, ok := fieldInterface.(Reference); ok {
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failf("field should not implement Reference interface")
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}
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}
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}
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func TestWithTag(t *testing.T) {
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testcases := []struct {
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name string
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tag string
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combined string
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}{
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{
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name: "test.com/foo",
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tag: "tag",
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combined: "test.com/foo:tag",
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},
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{
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name: "foo",
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tag: "tag2",
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combined: "foo:tag2",
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},
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{
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name: "test.com:8000/foo",
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tag: "tag4",
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combined: "test.com:8000/foo:tag4",
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},
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{
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name: "test.com:8000/foo",
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tag: "TAG5",
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combined: "test.com:8000/foo:TAG5",
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},
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}
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for _, testcase := range testcases {
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failf := func(format string, v ...interface{}) {
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t.Logf(strconv.Quote(testcase.name)+": "+format, v...)
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t.Fail()
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}
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named, err := WithName(testcase.name)
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if err != nil {
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failf("error parsing name: %s", err)
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}
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tagged, err := WithTag(named, testcase.tag)
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if err != nil {
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failf("WithTag failed: %s", err)
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}
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if tagged.String() != testcase.combined {
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failf("unexpected: got %q, expected %q", tagged.String(), testcase.combined)
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}
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}
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}
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func TestWithDigest(t *testing.T) {
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testcases := []struct {
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name string
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digest digest.Digest
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combined string
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}{
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{
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name: "test.com/foo",
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digest: "sha256:1234567890098765432112345667890098765",
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combined: "test.com/foo@sha256:1234567890098765432112345667890098765",
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},
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{
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name: "foo",
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digest: "sha256:1234567890098765432112345667890098765",
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combined: "foo@sha256:1234567890098765432112345667890098765",
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},
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{
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name: "test.com:8000/foo",
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digest: "sha256:1234567890098765432112345667890098765",
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combined: "test.com:8000/foo@sha256:1234567890098765432112345667890098765",
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},
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}
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for _, testcase := range testcases {
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failf := func(format string, v ...interface{}) {
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t.Logf(strconv.Quote(testcase.name)+": "+format, v...)
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t.Fail()
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}
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named, err := WithName(testcase.name)
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if err != nil {
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failf("error parsing name: %s", err)
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}
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digested, err := WithDigest(named, testcase.digest)
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if err != nil {
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failf("WithDigest failed: %s", err)
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}
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if digested.String() != testcase.combined {
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failf("unexpected: got %q, expected %q", digested.String(), testcase.combined)
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}
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}
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}
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