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import (
"testing"
"github.com/stretchr/testify/require"
api "github.com/openmeterio/openmeter/api/v3"
)
func TestValidateLabel(t *testing.T) {
tests := []struct {
name string
key string
value string
wantErr bool
}{
{
name: "valid alphanumeric",
key: "key",
value: "value",
},
{
name: "valid with underscore",
key: "my_good",
value: "my_good",
},
{
name: "valid with dot",
key: "my.good",
value: "my.good",
},
{
name: "valid with hyphen",
key: "my-good",
value: "my-good",
},
{
name: "valid single character",
key: "a",
value: "b",
},
{
name: "valid two characters",
key: "ab",
value: "cd",
},
{
name: "valid uppercase",
key: "MyKey",
value: "MyValue",
},
{
name: "valid digits",
key: "key123",
value: "value456",
},
{
name: "valid starts and ends with digit",
key: "1key1",
value: "2value2",
},
{
name: "invalid key trailing underscore",
key: "bad_",
value: "good",
wantErr: true,
},
{
name: "invalid key trailing hyphen",
key: "bad-",
value: "good",
wantErr: true,
},
{
name: "invalid key trailing dot",
key: "bad.",
value: "good",
wantErr: true,
},
{
name: "invalid key leading underscore",
key: "_bad",
value: "good",
wantErr: true,
},
{
name: "invalid key leading hyphen",
key: "-bad",
value: "good",
wantErr: true,
},
{
name: "invalid key leading dot",
key: ".bad",
value: "good",
wantErr: true,
},
{
name: "invalid key empty",
key: "",
value: "good",
wantErr: true,
},
{
name: "invalid value trailing underscore",
key: "good",
value: "bad_",
wantErr: true,
},
{
name: "invalid value leading dot",
key: "good",
value: ".bad",
wantErr: true,
},
{
name: "invalid value empty",
key: "good",
value: "",
wantErr: true,
},
{
name: "both key and value invalid",
key: "_bad",
value: "bad_",
wantErr: true,
},
{
name: "reserved openmeter prefix",
key: "openmeter_key",
value: "value",
wantErr: true,
},
{
name: "reserved kong prefix",
key: "kong_key",
value: "value",
wantErr: true,
},
{
name: "reserved konnect prefix",
key: "konnect_key",
value: "value",
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
err := ValidateLabel(tt.key, tt.value)
if !tt.wantErr {
require.NoError(t, err)
return
}
require.Error(t, err)
})
}
}
func TestValidateLabels(t *testing.T) {
tests := []struct {
name string
labels api.Labels
wantErr bool
}{
{
name: "nil labels",
labels: nil,
wantErr: false,
},
{
name: "empty labels",
labels: api.Labels{},
wantErr: false,
},
{
name: "all valid",
labels: api.Labels{
"env": "production",
"team": "platform",
"version": "v1",
},
wantErr: false,
},
{
name: "one invalid key",
labels: api.Labels{
"_bad": "value",
"good": "value",
},
wantErr: true,
},
{
name: "one invalid value",
labels: api.Labels{
"good": "bad_",
},
wantErr: true,
},
{
name: "both key and value invalid in same entry",
labels: api.Labels{
"_bad": "bad_",
},
wantErr: true,
},
{
name: "multiple invalid keys",
labels: api.Labels{
"_bad1": "good",
"_bad2": "good",
},
wantErr: true,
},
{
name: "reserved prefix key",
labels: api.Labels{
"openmeter_key": "value",
},
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
err := ValidateLabels(tt.labels)
if !tt.wantErr {
require.NoError(t, err)
return
}
require.Error(t, err)
})
}
}
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