mirror of https://github.com/knative/pkg.git
79 lines
2.1 KiB
Go
79 lines
2.1 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 tracing_test
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import (
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"errors"
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"testing"
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"github.com/google/go-cmp/cmp"
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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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reporterrecorder "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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func TestOpenCensusTracerApplyConfig(t *testing.T) {
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tcs := []struct {
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name string
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cfg config.Config
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expect *config.Config
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reporterError bool
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}{{
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name: "Disabled config",
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cfg: config.Config{
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Backend: config.None,
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},
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expect: nil,
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}, {
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name: "Endpoint specified",
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cfg: config.Config{
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Backend: config.Zipkin,
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ZipkinEndpoint: "test-endpoint:1234",
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},
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expect: &config.Config{
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Backend: config.Zipkin,
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ZipkinEndpoint: "test-endpoint:1234",
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},
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}}
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endpoint, _ := openzipkin.NewEndpoint("test", "localhost:1234")
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for _, tc := range tcs {
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t.Run(tc.name, func(t *testing.T) {
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var gotCfg *config.Config
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reporter := reporterrecorder.NewReporter()
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oct := NewOpenCensusTracer(WithZipkinExporter(func(cfg *config.Config) (zipkinreporter.Reporter, error) {
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gotCfg = cfg
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if tc.reporterError {
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return nil, errors.New("Induced reporter factory error")
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}
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return reporter, nil
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}, endpoint))
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if err := oct.ApplyConfig(&tc.cfg); (err == nil) == tc.reporterError {
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t.Error("Failed to apply config:", err)
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}
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if diff := cmp.Diff(gotCfg, tc.expect); diff != "" {
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t.Error("Got tracer config (-want, +got) =", diff)
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}
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oct.Finish()
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})
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}
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}
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