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config_test.go
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config_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://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 metric // import "go.opentelemetry.io/otel/metric"
import (
"testing"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/otel/attribute"
)
func TestMeterConfig(t *testing.T) {
t.Run("Empty", func(t *testing.T) {
assert.Equal(t, NewMeterConfig(), MeterConfig{})
})
t.Run("InstrumentationVersion", func(t *testing.T) {
v0, v1 := "v0.1.0", "v1.0.0"
assert.Equal(t, NewMeterConfig(
WithInstrumentationVersion(v0),
).InstrumentationVersion(), v0)
assert.Equal(t, NewMeterConfig(
WithInstrumentationVersion(v0),
WithInstrumentationVersion(v1),
).InstrumentationVersion(), v1, "last option has precedence")
})
t.Run("SchemaURL", func(t *testing.T) {
s120 := "https://opentelemetry.io/schemas/1.2.0"
s130 := "https://opentelemetry.io/schemas/1.3.0"
assert.Equal(t, NewMeterConfig(
WithSchemaURL(s120),
).SchemaURL(), s120)
assert.Equal(t, NewMeterConfig(
WithSchemaURL(s120),
WithSchemaURL(s130),
).SchemaURL(), s130, "last option has precedence")
})
t.Run("Attributes", func(t *testing.T) {
one, two := attribute.Int("key", 1), attribute.Int("key", 2)
assert.Equal(t, NewMeterConfig(
WithScopeAttributes(one, two),
).Attributes(), attribute.NewSet(two), "last attribute is used")
assert.Equal(t, NewMeterConfig(
WithScopeAttributes(two),
WithScopeAttributes(one),
).Attributes(), attribute.NewSet(one), "last option has precedence")
})
}