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import (
"fmt"
"regexp"
"testing"
"time"
"github.com/oklog/ulid/v2"
"github.com/samber/lo"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/openmeterio/openmeter/pkg/models"
)
func TestMeterValidation(t *testing.T) {
tests := []struct {
description string
meter Meter
error error
}{
{
description: "valid meter",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationSum,
EventType: "event-type-test",
ValueProperty: lo.ToPtr("$.my_property"),
GroupBy: map[string]string{"test_group": "$.test_group"},
},
error: nil,
},
{
description: "valid without group by",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationSum,
EventType: "event-type-test",
ValueProperty: lo.ToPtr("$.my_property"),
},
error: nil,
},
{
description: "count is valid without value property",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationCount,
EventType: "event-type-test",
GroupBy: map[string]string{"test_group": "$.test_group"},
},
error: nil,
},
{
description: "count is invalid with value property",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationCount,
EventType: "event-type-test",
ValueProperty: lo.ToPtr("$.my_property"),
GroupBy: map[string]string{"test_group": "$.test_group"},
},
error: fmt.Errorf("meter value property is not allowed when the aggregation is count"),
},
{
description: "key is empty",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Aggregation: MeterAggregationCount,
EventType: "event-type-test",
GroupBy: map[string]string{"test_group": "$.test_group"},
},
error: fmt.Errorf("meter key is required"),
},
{
description: "aggregation is empty",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
EventType: "event-type-test",
ValueProperty: lo.ToPtr("$.my_property"),
GroupBy: map[string]string{"test_group": "$.test_group"},
},
error: fmt.Errorf("meter aggregation is required"),
},
{
description: "window size is empty",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationCount,
EventType: "event-type-test",
GroupBy: map[string]string{"test_group": "$.test_group"},
},
error: nil,
},
{
description: "event type is empty",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationSum,
ValueProperty: lo.ToPtr("$.my_property"),
GroupBy: map[string]string{"test_group": "$.test_group"},
},
error: fmt.Errorf("meter event type is required"),
},
{
description: "missing value property",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationSum,
EventType: "event-type-test",
GroupBy: map[string]string{"test_group": "$.test_group"},
},
error: fmt.Errorf("meter value property is required"),
},
{
description: "invalid value property",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationSum,
EventType: "event-type-test",
ValueProperty: lo.ToPtr("invalid"),
GroupBy: map[string]string{"test_group": "$.test_group"},
},
error: fmt.Errorf("meter value property must start with $"),
},
{
description: "invalid group by key",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationSum,
EventType: "event-type-test",
ValueProperty: lo.ToPtr("$.my_property"),
GroupBy: map[string]string{"in-valid": "$.test_group"},
},
error: fmt.Errorf("meter group by key in-valid is invalid, only alphanumeric and underscore characters are allowed"),
},
{
description: "invalid group by key",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationSum,
EventType: "event-type-test",
ValueProperty: lo.ToPtr("$.my_property"),
GroupBy: map[string]string{"": "$.test_group"},
},
error: fmt.Errorf("meter group by key cannot be empty"),
},
{
description: "invalid group by property",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationSum,
EventType: "event-type-test",
ValueProperty: lo.ToPtr("$.my_property"),
GroupBy: map[string]string{"test_group": "invalid"},
},
error: fmt.Errorf("meter group by value must start with $ for key test_group"),
},
{
description: "value property cannot be in the group by",
meter: Meter{
ManagedResource: models.ManagedResource{
ID: ulid.Make().String(),
NamespacedModel: models.NamespacedModel{
Namespace: ulid.Make().String(),
},
ManagedModel: models.ManagedModel{
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
},
Name: "Test meter",
},
Key: "slug-test",
Aggregation: MeterAggregationUniqueCount,
EventType: "event-type-test",
ValueProperty: lo.ToPtr("$.my_property"),
GroupBy: map[string]string{"test_group": "$.my_property"},
},
error: fmt.Errorf("meter group by value test_group cannot be the same as value property"),
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.description, func(t *testing.T) {
err := tt.meter.Validate()
if tt.error == nil && err != nil {
t.Error(err)
}
if tt.error != nil && err == nil {
t.Errorf("expected error %v, got nil", tt.error)
}
})
}
}
func Test_EventTypeFilter(t *testing.T) {
var reservedEventTypePatterns []*EventTypePattern
patterns := []string{
`^om\.`,
`^_\.`,
}
for _, pattern := range patterns {
re, err := regexp.Compile(pattern)
require.NoErrorf(t, err, "invalid regexp pattern '%s'", pattern)
reservedEventTypePatterns = append(reservedEventTypePatterns, re)
}
validator := NewEventTypeValidator(reservedEventTypePatterns)
tests := []struct {
name string
eventType string
expectedMatch bool
}{
{
name: "Random",
eventType: "event-type-1",
expectedMatch: false,
},
{
name: "Openmeter",
eventType: "om.event-type-1",
expectedMatch: true,
},
{
name: "System",
eventType: "_.event-type-1",
expectedMatch: true,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
err := validator(test.eventType)
assert.Equal(t, test.expectedMatch, err != nil)
})
}
}
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