go.etcd.io/etcd@v3.3.27+incompatible/lease/leasehttp/http_test.go (about)

     1  // Copyright 2016 The etcd 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  package leasehttp
    16  
    17  import (
    18  	"context"
    19  	"net/http"
    20  	"net/http/httptest"
    21  	"os"
    22  	"strings"
    23  	"testing"
    24  	"time"
    25  
    26  	"github.com/coreos/etcd/lease"
    27  	"github.com/coreos/etcd/mvcc/backend"
    28  )
    29  
    30  func TestRenewHTTP(t *testing.T) {
    31  	be, tmpPath := backend.NewTmpBackend(time.Hour, 10000)
    32  	defer os.Remove(tmpPath)
    33  	defer be.Close()
    34  
    35  	le := lease.NewLessor(be, int64(5))
    36  	le.Promote(time.Second)
    37  	l, err := le.Grant(1, int64(5))
    38  	if err != nil {
    39  		t.Fatalf("failed to create lease: %v", err)
    40  	}
    41  
    42  	ts := httptest.NewServer(NewHandler(le, waitReady))
    43  	defer ts.Close()
    44  
    45  	ttl, err := RenewHTTP(context.TODO(), l.ID, ts.URL+LeasePrefix, http.DefaultTransport)
    46  	if err != nil {
    47  		t.Fatal(err)
    48  	}
    49  	if ttl != 5 {
    50  		t.Fatalf("ttl expected 5, got %d", ttl)
    51  	}
    52  }
    53  
    54  func TestTimeToLiveHTTP(t *testing.T) {
    55  	be, tmpPath := backend.NewTmpBackend(time.Hour, 10000)
    56  	defer os.Remove(tmpPath)
    57  	defer be.Close()
    58  
    59  	le := lease.NewLessor(be, int64(5))
    60  	le.Promote(time.Second)
    61  	l, err := le.Grant(1, int64(5))
    62  	if err != nil {
    63  		t.Fatalf("failed to create lease: %v", err)
    64  	}
    65  
    66  	ts := httptest.NewServer(NewHandler(le, waitReady))
    67  	defer ts.Close()
    68  
    69  	resp, err := TimeToLiveHTTP(context.TODO(), l.ID, true, ts.URL+LeaseInternalPrefix, http.DefaultTransport)
    70  	if err != nil {
    71  		t.Fatal(err)
    72  	}
    73  	if resp.LeaseTimeToLiveResponse.ID != 1 {
    74  		t.Fatalf("lease id expected 1, got %d", resp.LeaseTimeToLiveResponse.ID)
    75  	}
    76  	if resp.LeaseTimeToLiveResponse.GrantedTTL != 5 {
    77  		t.Fatalf("granted TTL expected 5, got %d", resp.LeaseTimeToLiveResponse.GrantedTTL)
    78  	}
    79  }
    80  
    81  func TestRenewHTTPTimeout(t *testing.T) {
    82  	testApplyTimeout(t, func(l *lease.Lease, serverURL string) error {
    83  		_, err := RenewHTTP(context.TODO(), l.ID, serverURL+LeasePrefix, http.DefaultTransport)
    84  		return err
    85  	})
    86  }
    87  
    88  func TestTimeToLiveHTTPTimeout(t *testing.T) {
    89  	testApplyTimeout(t, func(l *lease.Lease, serverURL string) error {
    90  		_, err := TimeToLiveHTTP(context.TODO(), l.ID, true, serverURL+LeaseInternalPrefix, http.DefaultTransport)
    91  		return err
    92  	})
    93  }
    94  
    95  func testApplyTimeout(t *testing.T, f func(*lease.Lease, string) error) {
    96  	be, tmpPath := backend.NewTmpBackend(time.Hour, 10000)
    97  	defer os.Remove(tmpPath)
    98  	defer be.Close()
    99  
   100  	le := lease.NewLessor(be, int64(5))
   101  	le.Promote(time.Second)
   102  	l, err := le.Grant(1, int64(5))
   103  	if err != nil {
   104  		t.Fatalf("failed to create lease: %v", err)
   105  	}
   106  
   107  	ts := httptest.NewServer(NewHandler(le, waitNotReady))
   108  	defer ts.Close()
   109  	err = f(l, ts.URL)
   110  	if err == nil {
   111  		t.Fatalf("expected timeout error, got nil")
   112  	}
   113  	if strings.Compare(err.Error(), ErrLeaseHTTPTimeout.Error()) != 0 {
   114  		t.Fatalf("expected (%v), got (%v)", ErrLeaseHTTPTimeout.Error(), err.Error())
   115  	}
   116  }
   117  
   118  func waitReady() <-chan struct{} {
   119  	ch := make(chan struct{})
   120  	close(ch)
   121  	return ch
   122  }
   123  
   124  func waitNotReady() <-chan struct{} {
   125  	return nil
   126  }