gvisor.dev/gvisor@v0.0.0-20240520182842-f9d4d51c7e0f/test/benchmarks/tools/iperf_test.go (about)

     1  // Copyright 2020 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  package tools
    15  
    16  import "testing"
    17  
    18  // TestIperf checks the Iperf parsers on sample output.
    19  func TestIperf(t *testing.T) {
    20  	sampleData := `
    21  ------------------------------------------------------------
    22  Client connecting to 10.138.15.215, TCP port 32779
    23  TCP window size: 45.0 KByte (default)
    24  ------------------------------------------------------------
    25  [  3] local 10.138.15.216 port 32866 connected with 10.138.15.215 port 32779
    26  [ ID] Interval       Transfer     Bandwidth
    27  [  3]  0.0-10.0 sec  459520 KBytes  45900 KBytes/sec
    28  `
    29  	i := Iperf{}
    30  	bandwidth, err := i.bandwidth(sampleData)
    31  	if err != nil || bandwidth != 45900 {
    32  		t.Fatalf("failed with: %v and %f", err, bandwidth)
    33  	}
    34  }