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package kubernetes
import (
"testing"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func TestGetStackAPIVersion(t *testing.T) {
var tests = []struct {
description string
groups *metav1.APIGroupList
err bool
expectedStack StackVersion
}{
{"no stack api", makeGroups(), true, ""},
{"v1beta1", makeGroups(groupVersion{"compose.docker.com", []string{"v1beta1"}}), false, StackAPIV1Beta1},
{"v1beta2", makeGroups(groupVersion{"compose.docker.com", []string{"v1beta2"}}), false, StackAPIV1Beta2},
{"most recent has precedence", makeGroups(groupVersion{"compose.docker.com", []string{"v1beta1", "v1beta2"}}), false, StackAPIV1Beta2},
{"most recent has precedence", makeGroups(groupVersion{"compose.docker.com", []string{"v1beta1", "v1beta2", "v1alpha3"}}), false, StackAPIV1Alpha3},
}
for _, test := range tests {
version, err := getAPIVersion(test.groups)
if test.err {
assert.ErrorContains(t, err, "")
} else {
assert.NilError(t, err)
}
assert.Check(t, is.Equal(test.expectedStack, version))
}
}
type groupVersion struct {
name string
versions []string
}
func makeGroups(versions ...groupVersion) *metav1.APIGroupList {
groups := make([]metav1.APIGroup, len(versions))
for i := range versions {
groups[i].Name = versions[i].name
for _, v := range versions[i].versions {
groups[i].Versions = append(groups[i].Versions, metav1.GroupVersionForDiscovery{Version: v})
}
}
return &metav1.APIGroupList{
Groups: groups,
}
}
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