59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package lambda
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import (
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"context"
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/sdk/resource"
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semconv "go.opentelemetry.io/otel/semconv/v1.10.0"
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)
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// successfully return resource when process is running on Amazon Lambda environment
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func TestDetectSuccess(t *testing.T) {
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os.Clearenv()
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_ = os.Setenv(lambdaFunctionNameEnvVar, "testFunction")
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_ = os.Setenv(awsRegionEnvVar, "us-texas-1")
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_ = os.Setenv(lambdaFunctionVersionEnvVar, "$LATEST")
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attributes := []attribute.KeyValue{
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semconv.CloudProviderAWS,
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semconv.CloudRegionKey.String("us-texas-1"),
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semconv.FaaSNameKey.String("testFunction"),
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semconv.FaaSVersionKey.String("$LATEST"),
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}
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expectedResource := resource.NewWithAttributes(semconv.SchemaURL, attributes...)
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detector := resourceDetector{}
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res, err := detector.Detect(context.Background())
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assert.Nil(t, err, "Detector unexpectedly returned error")
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assert.Equal(t, expectedResource, res, "Resource returned is incorrect")
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}
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// return empty resource when not running on lambda
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func TestReturnsIfNoEnvVars(t *testing.T) {
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os.Clearenv()
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detector := resourceDetector{}
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res, err := detector.Detect(context.Background())
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assert.Equal(t, errNotOnLambda, err)
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assert.Equal(t, 0, len(res.Attributes()))
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}
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