package migrations
import (
"strings"
"github.com/navidrome/navidrome/model/id"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = Describe("canonicalID", func() {
DescribeTable("transforms each historical id shape",
func(in, want string) {
Expect(canonicalID(in)).To(Equal(want))
},
Entry("hash-family id (fits 128 bits) is kept", "5cLJPkLA5DK2BADhoeotPk", "5cLJPkLA5DK2BADhoeotPk"),
Entry("overflowing random id is remapped via md5", "zzzzzzzzzzzzzzzzzzzzzz", "3LyqmwQBm5IRqlVjNYASwb"),
Entry("legacy 32-hex is re-encoded value-preserving", "e3b7fc2ae9447bbec37a13bf916e3cf6", "6VHl3uR4kss6sUPKA8Cwnk"),
Entry("playlist uuid is re-encoded value-preserving", "f47ac10b-58cc-4372-a567-0e02b2c3d479", "7rke2SAWaicSeSYzkhww6R"),
Entry("empty string passes through", "", ""),
Entry("share id (10 chars) passes through", "aB3xY9kQz1", "aB3xY9kQz1"),
Entry("truncated Finamp id (16 chars) passes through", "0123456789abcdef", "0123456789abcdef"),
Entry("22 chars with non-base62 char passes through", "!!!!!!!!!!!!!!!!!!!!!!", "!!!!!!!!!!!!!!!!!!!!!!"),
Entry("32 chars non-hex passes through", "zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz", "zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"),
Entry("36 chars without uuid dashes passes through", "000000000000000000000000000000000000", "000000000000000000000000000000000000"),
)
It("is the identity on every NewHash id", func() {
for _, parts := range [][]string{
{""}, {"a"}, {"The Beatles"}, {"genre", "electronic"},
{"/music/Artist/Album", "1"}, {strings.Repeat("x", 500)},
} {
h := id.NewHash(parts...)
Expect(h).To(HaveLen(22))
Expect(canonicalID(h)).To(Equal(h), "NewHash(%v) = %q was rewritten", parts, h)
}
})
It("is idempotent for every shape", func() {
for _, s := range []string{"5cLJPkLA5DK2BADhoeotPk", "zzzzzzzzzzzzzzzzzzzzzz",
"e3b7fc2ae9447bbec37a13bf916e3cf6", "f47ac10b-58cc-4372-a567-0e02b2c3d479"} {
once := canonicalID(s)
Expect(canonicalID(once)).To(Equal(once))
}
})
})
