github.com/karrick/gorill@v1.10.3/multiWriteCloserFanIn_test.go (about)

     1  // +build !race
     2  
     3  package gorill
     4  
     5  import (
     6  	"io"
     7  	"testing"
     8  	"time"
     9  )
    10  
    11  func TestMultiWriteCloserFanIn(t *testing.T) {
    12  	bb := NewNopCloseBufferSize(16384)
    13  
    14  	first := NewMultiWriteCloserFanIn(bb)
    15  
    16  	want := string(largeBuf)
    17  	first.Write(largeBuf)
    18  
    19  	if actual := bb.String(); actual != want {
    20  		t.Errorf("Actual: %#v; Expected: %#v", actual, want)
    21  	}
    22  
    23  	bb.Reset()
    24  	want = ""
    25  	if actual := bb.String(); actual != want {
    26  		t.Errorf("Actual: %#v; Expected: %#v", actual, want)
    27  	}
    28  
    29  	second := first.Add()
    30  	want = string(largeBuf)
    31  	second.Write(largeBuf)
    32  
    33  	if actual := bb.String(); actual != want {
    34  		t.Errorf("Actual: %#v; Expected: %#v", actual, want)
    35  	}
    36  
    37  	first.Close()
    38  	if want, actual := false, bb.IsClosed(); actual != want {
    39  		t.Errorf("Actual: %#v; Expected: %#v", actual, want)
    40  	}
    41  
    42  	second.Close()
    43  	time.Sleep(100 * time.Millisecond) // race condition during testing
    44  	if want, actual := true, bb.IsClosed(); actual != want {
    45  		t.Errorf("Actual: %#v; Expected: %#v", actual, want)
    46  	}
    47  }
    48  
    49  func BenchmarkWriterMultiWriteCloserFanIn(b *testing.B) {
    50  	consumers := make([]io.WriteCloser, consumerCount)
    51  	for i := 0; i < len(consumers); i++ {
    52  		consumers[i] = NewMultiWriteCloserFanIn(NewNopCloseBuffer())
    53  	}
    54  	benchmarkWriter(b, b.N, consumers)
    55  }