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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2021 The Jaeger Authors.
// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 testutils
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
jaeger_api_v2 "go.opentelemetry.io/contrib/samplers/jaegerremote/internal/proto-gen/jaeger-idl/proto/api_v2"
"go.opentelemetry.io/contrib/samplers/jaegerremote/internal/utils"
)
func TestMockAgentSamplingManager(t *testing.T) {
mockAgent, err := StartMockAgent()
require.NoError(t, err)
defer mockAgent.Close()
err = utils.GetJSON("http://"+mockAgent.SamplingServerAddr()+"/", nil)
require.Error(t, err, "no 'service' parameter")
err = utils.GetJSON("http://"+mockAgent.SamplingServerAddr()+"/?service=a&service=b", nil)
require.Error(t, err, "Too many 'service' parameters")
var resp jaeger_api_v2.SamplingStrategyResponse
err = utils.GetJSON("http://"+mockAgent.SamplingServerAddr()+"/?service=something", &resp)
require.NoError(t, err)
assert.Equal(t, jaeger_api_v2.SamplingStrategyType_PROBABILISTIC, resp.StrategyType)
mockAgent.AddSamplingStrategy("service123", &jaeger_api_v2.SamplingStrategyResponse{
StrategyType: jaeger_api_v2.SamplingStrategyType_RATE_LIMITING,
RateLimitingSampling: &jaeger_api_v2.RateLimitingSamplingStrategy{
MaxTracesPerSecond: 123,
},
})
err = utils.GetJSON("http://"+mockAgent.SamplingServerAddr()+"/?service=service123", &resp)
require.NoError(t, err)
assert.Equal(t, jaeger_api_v2.SamplingStrategyType_RATE_LIMITING, resp.StrategyType)
require.NotNil(t, resp.RateLimitingSampling)
assert.EqualValues(t, 123, resp.RateLimitingSampling.MaxTracesPerSecond)
}
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