gvisor.dev/gvisor@v0.0.0-20240520182842-f9d4d51c7e0f/pkg/metric/condmetric_profiling_disabled_test.go (about)

     1  // Copyright 2022 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build !sentry_profiling
    16  // +build !sentry_profiling
    17  
    18  package metric
    19  
    20  import (
    21  	"testing"
    22  
    23  	pb "gvisor.dev/gvisor/pkg/metric/metric_go_proto"
    24  )
    25  
    26  func TestProfilingMetricsDisabled(t *testing.T) {
    27  	defer resetTest()
    28  
    29  	_, err := SentryProfiling.NewUint64Metric("/counterM", false, pb.MetricMetadata_UNITS_NONE, "One uint64 metric")
    30  	if err != nil {
    31  		t.Fatalf("NewUint64Metric got err %v want nil", err)
    32  	}
    33  
    34  	bucketer := NewExponentialBucketer(3, 2, 0, 1)
    35  	_, err = SentryProfiling.NewDistributionMetric("/distribM", false, bucketer, pb.MetricMetadata_UNITS_NANOSECONDS, "One distribution metric")
    36  	if err != nil {
    37  		t.Fatalf("NewDistributionMetric got err %v want nil", err)
    38  	}
    39  
    40  	_, err = SentryProfiling.NewTimerMetric("/timerM", bucketer, "One timer metric")
    41  	if err != nil {
    42  		t.Fatalf("NewTimerMetric got err %v want nil", err)
    43  	}
    44  
    45  	if err := Initialize(); err != nil {
    46  		t.Fatalf("Initialize(): %s", err)
    47  	}
    48  
    49  	if len(emitter) != 1 {
    50  		t.Fatalf("Initialize emitted %d events want 1", len(emitter))
    51  	}
    52  
    53  	mr, ok := emitter[0].(*pb.MetricRegistration)
    54  	if !ok {
    55  		t.Fatalf("emitter %v got %T want pb.MetricRegistration", emitter[0], emitter[0])
    56  	}
    57  
    58  	if len(mr.Metrics) != 0 {
    59  		t.Errorf("MetricRegistration got %d metrics want %d", len(mr.Metrics), 0)
    60  	}
    61  }