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factory_test.go
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factory_test.go
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http:https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package spanmetricsconnector
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/collector/connector/connectortest"
"go.opentelemetry.io/collector/consumer/consumertest"
"go.opentelemetry.io/collector/pdata/pcommon"
)
func TestNewConnector(t *testing.T) {
defaultMethod := "GET"
defaultMethodValue := pcommon.NewValueStr(defaultMethod)
for _, tc := range []struct {
name string
durationHistogramBuckets []time.Duration
dimensions []Dimension
wantDurationHistogramBuckets []float64
wantDimensions []dimension
}{
{
name: "simplest config (use defaults)",
},
{
name: "1 configured duration histogram bucket should result in 1 explicit duration bucket (+1 implicit +Inf bucket)",
durationHistogramBuckets: []time.Duration{2 * time.Millisecond},
dimensions: []Dimension{
{Name: "http.method", Default: &defaultMethod},
{Name: "http.status_code"},
},
wantDimensions: []dimension{
{name: "http.method", value: &defaultMethodValue},
{"http.status_code", nil},
},
},
} {
t.Run(tc.name, func(t *testing.T) {
// Prepare
factory := NewFactory()
creationParams := connectortest.NewNopCreateSettings()
cfg := factory.CreateDefaultConfig().(*Config)
cfg.Histogram.Explicit = &ExplicitHistogramConfig{
Buckets: tc.durationHistogramBuckets,
}
cfg.Dimensions = tc.dimensions
// Test
traceConnector, err := factory.CreateTracesToMetrics(context.Background(), creationParams, cfg, consumertest.NewNop())
smc := traceConnector.(*connectorImp)
// Verify
assert.Nil(t, err)
assert.NotNil(t, smc)
assert.Equal(t, tc.wantDimensions, smc.dimensions)
})
}
}