| 8 | ) |
| 9 | |
| 10 | func TestUserExternalLabels(t *testing.T) { |
| 11 | limits := ruleLimits{} |
| 12 | e := newUserExternalLabels(labels.FromStrings("from", "cortex"), &limits) |
| 13 | |
| 14 | tests := []struct { |
| 15 | name string |
| 16 | removeBeforeTest bool |
| 17 | exists bool |
| 18 | userExternalLabels labels.Labels |
| 19 | expectedExternalLabels labels.Labels |
| 20 | }{ |
| 21 | { |
| 22 | name: "global labels only", |
| 23 | removeBeforeTest: false, |
| 24 | exists: false, |
| 25 | userExternalLabels: labels.EmptyLabels(), |
| 26 | expectedExternalLabels: labels.FromStrings("from", "cortex"), |
| 27 | }, |
| 28 | { |
| 29 | name: "local labels without overriding", |
| 30 | removeBeforeTest: true, |
| 31 | exists: false, |
| 32 | userExternalLabels: labels.FromStrings("tag", "local"), |
| 33 | expectedExternalLabels: labels.FromStrings("from", "cortex", "tag", "local"), |
| 34 | }, |
| 35 | { |
| 36 | name: "local labels that override globals", |
| 37 | removeBeforeTest: false, |
| 38 | exists: true, |
| 39 | userExternalLabels: labels.FromStrings("from", "cloud", "tag", "local"), |
| 40 | expectedExternalLabels: labels.FromStrings("from", "cloud", "tag", "local"), |
| 41 | }, |
| 42 | { |
| 43 | name: "utf8", |
| 44 | removeBeforeTest: true, |
| 45 | exists: false, |
| 46 | userExternalLabels: labels.FromStrings("test.utf8.metric", "😄"), |
| 47 | expectedExternalLabels: labels.FromStrings("from", "cortex", "test.utf8.metric", "😄"), |
| 48 | }, |
| 49 | } |
| 50 | |
| 51 | const userID = "test-user" |
| 52 | for _, data := range tests { |
| 53 | t.Run(data.name, func(t *testing.T) { |
| 54 | if data.removeBeforeTest { |
| 55 | e.remove(userID) |
| 56 | } |
| 57 | _, exists := e.get(userID) |
| 58 | require.Equal(t, data.exists, exists) |
| 59 | |
| 60 | limits.externalLabels = data.userExternalLabels |
| 61 | lset, ok := e.update(userID) |
| 62 | require.True(t, ok) |
| 63 | require.Equal(t, data.expectedExternalLabels, lset) |
| 64 | lset1, ok := e.update(userID) |
| 65 | require.False(t, ok) // Not updated. |
| 66 | require.Equal(t, data.expectedExternalLabels, lset1) |
| 67 | }) |