133 lines
2.7 KiB
Go
133 lines
2.7 KiB
Go
package main
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import (
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"reflect"
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"testing"
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)
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func TestTagParsing(t *testing.T) {
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cases := []struct {
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tag string
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expected ImageTag
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expectsError bool
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}{
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{
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"image",
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ImageTag{},
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true,
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},
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{
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"image:latest",
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ImageTag{},
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true,
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},
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{
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"user/image:v1",
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ImageTag{
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ImageTag: "user/image:v1",
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Image: "user/image",
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Version: "1",
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VersionParts: []int{1},
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},
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false,
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},
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{
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"image:v1",
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ImageTag{
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ImageTag: "image:v1",
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Image: "library/image",
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Version: "1",
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VersionParts: []int{1},
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},
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false,
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},
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{
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"image:v1.0",
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ImageTag{
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ImageTag: "image:v1.0",
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Image: "library/image",
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Version: "1.0",
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VersionParts: []int{1, 0},
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},
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false,
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},
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{
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"image:v1.0.0",
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ImageTag{
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ImageTag: "image:v1.0.0",
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Image: "library/image",
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Version: "1.0.0",
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VersionParts: []int{1, 0, 0},
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},
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false,
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},
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{
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"image:v1.0.0-desc",
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ImageTag{
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ImageTag: "image:v1.0.0-desc",
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Image: "library/image",
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TagDesc: "desc",
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Version: "1.0.0",
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VersionParts: []int{1, 0, 0},
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},
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false,
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},
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{
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"image:v1.0.0-desc@sha256:123abc",
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ImageTag{
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ImageTag: "image:v1.0.0-desc@sha256:123abc",
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Image: "library/image",
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TagDesc: "desc",
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TagSha: "sha256:123abc",
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Version: "1.0.0",
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VersionParts: []int{1, 0, 0},
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},
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false,
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},
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{
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"image:v1.0.0@sha256:123abc",
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ImageTag{
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ImageTag: "image:v1.0.0@sha256:123abc",
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Image: "library/image",
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TagSha: "sha256:123abc",
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Version: "1.0.0",
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VersionParts: []int{1, 0, 0},
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},
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false,
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},
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// Real world example that had caused issues
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{
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"matrixdotorg/synapse:v1.41.0@sha256:75f2b3c35c047693f4f4334d4ceb97951de1ba12bd3c6182c8a2ee624d7c5ab7",
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ImageTag{
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ImageTag: "matrixdotorg/synapse:v1.41.0@sha256:75f2b3c35c047693f4f4334d4ceb97951de1ba12bd3c6182c8a2ee624d7c5ab7",
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Image: "matrixdotorg/synapse",
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TagSha: "sha256:75f2b3c35c047693f4f4334d4ceb97951de1ba12bd3c6182c8a2ee624d7c5ab7",
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Version: "1.41.0",
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VersionParts: []int{1, 41, 0},
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},
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false,
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},
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}
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for _, c := range cases {
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result, err := ParseImageTag(c.tag)
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if c.expectsError {
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if err == nil {
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t.Errorf("ParseImageTag(%s): expected erro but didn't get one", c.tag)
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}
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continue
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}
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if err != nil {
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t.Errorf("ParseImageTag(%s): unexpected error: %v", c.tag, err)
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}
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if !reflect.DeepEqual(result, c.expected) {
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t.Errorf(
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"ParseImageTag(%s): unexpected result. Actual: %+v Expected: %+v",
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c.tag,
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result,
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c.expected,
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)
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}
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}
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}
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