mirror of https://github.com/knative/pkg.git
91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
/*
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Copyright 2025 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
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import (
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"testing"
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"github.com/google/go-cmp/cmp"
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)
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func TestNewFromMap(t *testing.T) {
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got, err := NewFromMap(nil)
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want := DefaultConfig()
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if err != nil {
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t.Error("unexpected error:", err)
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}
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if diff := cmp.Diff(want, got); diff != "" {
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t.Error("unexpected diff (-want +got): ", diff)
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}
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}
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func TestNewFromMapBadInput(t *testing.T) {
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cases := []struct {
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name string
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m map[string]string
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}{{
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name: "unexpected endpoint set",
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m: map[string]string{"tracing-endpoint": "https://blah.example.com"},
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}, {
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name: "missing endpoint",
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m: map[string]string{"tracing-protocol": "grpc"},
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}, {
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name: "unsupported protocol",
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m: map[string]string{"tracing-protocol": "bad-protocol"},
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}, {
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name: "bad sampling rate - less than zero",
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m: map[string]string{"tracing-sampling-rate": "-1"},
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}, {
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name: "bad sampling rate - greater than one",
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m: map[string]string{"tracing-sampling-rate": "1.1"},
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}, {
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name: "bad sampling rate - not a float",
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m: map[string]string{"tracing-sampling-rate": "bad-rate"},
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}}
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for _, tc := range cases {
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t.Run(tc.name, func(t *testing.T) {
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if _, err := NewFromMap(tc.m); err == nil {
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t.Error("expected an error")
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}
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})
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}
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}
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func TestNewFromMapWithPrefix(t *testing.T) {
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got, err := NewFromMapWithPrefix("request-", map[string]string{
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"request-tracing-protocol": ProtocolGRPC,
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"request-tracing-endpoint": "https://blah.example.com",
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"request-tracing-sampling-rate": "0.8",
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})
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if err != nil {
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t.Error("unexpected error", err)
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}
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want := Config{
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Protocol: ProtocolGRPC,
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Endpoint: "https://blah.example.com",
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SamplingRate: 0.8,
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}
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if diff := cmp.Diff(want, got); diff != "" {
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t.Error("unexpected diff (-want +got): ", diff)
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}
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}
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