package image import ( "testing" "github.com/stretchr/testify/assert" ) func TestDecompose(t *testing.T) { const digestSuffix = "@sha256:0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" for _, c := range []struct { input string transport, registry, name, tag string isTagged, hasRegistry bool assembled string }{ {"#", "", "", "", "", false, false, ""}, // Entirely invalid input { // Fully qualified docker.io, name-only input "docker.io/library/busybox", "docker://", "docker.io", "library/busybox", "latest", false, true, "docker.io/library/busybox:latest", }, { // Fully qualified example.com, name-only input "example.com/ns/busybox", "docker://", "example.com", "ns/busybox", "latest", false, true, "example.com/ns/busybox:latest", }, { // Unqualified single-name input "busybox", "docker://", "", "busybox", "latest", false, false, "busybox:latest", }, { // Unqualified namespaced input "ns/busybox", "docker://", "", "ns/busybox", "latest", false, false, "ns/busybox:latest", }, { // name:tag "example.com/ns/busybox:notlatest", "docker://", "example.com", "ns/busybox", "notlatest", true, true, "example.com/ns/busybox:notlatest", }, { // name@digest // FIXME? .tag == "none" "example.com/ns/busybox" + digestSuffix, "docker://", "example.com", "ns/busybox", "none", false, true, // FIXME: this drops the digest and replaces it with an incorrect tag. "example.com/ns/busybox:none", }, { // name:tag@digest "example.com/ns/busybox:notlatest" + digestSuffix, "docker://", "example.com", "ns/busybox", "notlatest", true, true, // FIXME: This drops the digest "example.com/ns/busybox:notlatest", }, } { parts, err := decompose(c.input) if c.transport == "" { assert.Error(t, err, c.input) } else { assert.NoError(t, err, c.input) assert.Equal(t, c.transport, parts.transport, c.input) assert.Equal(t, c.registry, parts.registry, c.input) assert.Equal(t, c.name, parts.name, c.input) assert.Equal(t, c.tag, parts.tag, c.input) assert.Equal(t, c.isTagged, parts.isTagged, c.input) assert.Equal(t, c.hasRegistry, parts.hasRegistry, c.input) assert.Equal(t, c.assembled, parts.assemble(), c.input) } } }