github.com/fafucoder/cilium@v1.6.11/pkg/contexthelpers/context_test.go (about)

     1  // Copyright 2020 Authors of Cilium
     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  // +build !privileged_tests
    16  
    17  package contexthelpers
    18  
    19  import (
    20  	"context"
    21  	"testing"
    22  	"time"
    23  
    24  	"gopkg.in/check.v1"
    25  )
    26  
    27  func Test(t *testing.T) {
    28  	check.TestingT(t)
    29  }
    30  
    31  type ContextSuite struct{}
    32  
    33  var _ = check.Suite(&ContextSuite{})
    34  
    35  func (b *ContextSuite) TestConditionalTimeoutContext(c *check.C) {
    36  	ctx, cancel, ch := NewConditionalTimeoutContext(context.Background(), 10*time.Millisecond)
    37  	c.Assert(ctx, check.Not(check.IsNil))
    38  	c.Assert(cancel, check.Not(check.IsNil))
    39  	c.Assert(ch, check.Not(check.IsNil))
    40  
    41  	// validate that the context is being cancelled due to the 10
    42  	// millisecond timeout specified
    43  	select {
    44  	case <-ctx.Done():
    45  	case <-time.After(time.Second):
    46  		c.Errorf("conditional timeout was not triggered")
    47  	}
    48  
    49  	ctx, cancel, ch = NewConditionalTimeoutContext(context.Background(), 10*time.Millisecond)
    50  	// report success via the channel
    51  	ch <- true
    52  	close(ch)
    53  
    54  	// validate that the context is not being cancelled as success has been
    55  	// reported
    56  	select {
    57  	case <-ctx.Done():
    58  		c.Errorf("context cancelled despite reporting success")
    59  	case <-time.After(100 * time.Millisecond):
    60  	}
    61  
    62  	cancel()
    63  }