opentelemetry-collector/consumer/metrics_test.go

52 lines
1.6 KiB
Go

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package consumer
import (
"context"
"errors"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/collector/pdata/pmetric"
)
func TestDefaultMetrics(t *testing.T) {
cp, err := NewMetrics(func(context.Context, pmetric.Metrics) error { return nil })
assert.NoError(t, err)
assert.NoError(t, cp.ConsumeMetrics(context.Background(), pmetric.NewMetrics()))
assert.Equal(t, Capabilities{MutatesData: false}, cp.Capabilities())
}
func TestNilFuncMetrics(t *testing.T) {
_, err := NewMetrics(nil)
assert.Equal(t, errNilFunc, err)
}
func TestWithCapabilitiesMetrics(t *testing.T) {
cp, err := NewMetrics(
func(context.Context, pmetric.Metrics) error { return nil },
WithCapabilities(Capabilities{MutatesData: true}))
assert.NoError(t, err)
assert.NoError(t, cp.ConsumeMetrics(context.Background(), pmetric.NewMetrics()))
assert.Equal(t, Capabilities{MutatesData: true}, cp.Capabilities())
}
func TestConsumeMetrics(t *testing.T) {
consumeCalled := false
cp, err := NewMetrics(func(context.Context, pmetric.Metrics) error { consumeCalled = true; return nil })
assert.NoError(t, err)
assert.NoError(t, cp.ConsumeMetrics(context.Background(), pmetric.NewMetrics()))
assert.True(t, consumeCalled)
}
func TestConsumeMetrics_ReturnError(t *testing.T) {
want := errors.New("my_error")
cp, err := NewMetrics(func(context.Context, pmetric.Metrics) error { return want })
require.NoError(t, err)
assert.Equal(t, want, cp.ConsumeMetrics(context.Background(), pmetric.NewMetrics()))
}