mirror of https://github.com/knative/pkg.git
47 lines
1.6 KiB
Go
47 lines
1.6 KiB
Go
/*
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Copyright 2019 The Knative Authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package testing
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import (
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openzipkin "github.com/openzipkin/zipkin-go"
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zipkinreporter "github.com/openzipkin/zipkin-go/reporter"
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"github.com/openzipkin/zipkin-go/reporter/recorder"
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"knative.dev/pkg/tracing"
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"knative.dev/pkg/tracing/config"
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)
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// FakeZipkineExporter is intended to capture the testing boilerplate of building
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// up the ConfigOption to pass NewOpenCensusTracer and expose a mechanism for examining
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// the traces it would have reported. To set it up, use something like:
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// reporter, co := FakeZipkinExporter()
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// defer reporter.Close()
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// oct := NewOpenCensusTracer(co)
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// defer oct.Close()
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// // Do stuff.
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// spans := reporter.Flush()
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// // Check reported spans.
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func FakeZipkinExporter() (*recorder.ReporterRecorder, tracing.ConfigOption) {
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// Create tracer with reporter recorder
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reporter := recorder.NewReporter()
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endpoint, _ := openzipkin.NewEndpoint("test", "localhost:1234")
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exp := tracing.WithZipkinExporter(func(cfg *config.Config) (zipkinreporter.Reporter, error) {
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return reporter, nil
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}, endpoint)
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return reporter, exp
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}
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