upgrade_test.go

Documentation: k8s.io/apimachinery/pkg/util/httpstream/spdy

     1  /*
     2  Copyright 2015 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package spdy
    18  
    19  import (
    20  	"net/http"
    21  	"net/http/httptest"
    22  	"testing"
    23  )
    24  
    25  func TestUpgradeResponse(t *testing.T) {
    26  	testCases := []struct {
    27  		connectionHeader string
    28  		upgradeHeader    string
    29  		shouldError      bool
    30  	}{
    31  		{
    32  			connectionHeader: "",
    33  			upgradeHeader:    "",
    34  			shouldError:      true,
    35  		},
    36  		{
    37  			connectionHeader: "Upgrade",
    38  			upgradeHeader:    "",
    39  			shouldError:      true,
    40  		},
    41  		{
    42  			connectionHeader: "",
    43  			upgradeHeader:    "SPDY/3.1",
    44  			shouldError:      true,
    45  		},
    46  		{
    47  			connectionHeader: "Upgrade",
    48  			upgradeHeader:    "SPDY/3.1",
    49  			shouldError:      false,
    50  		},
    51  	}
    52  
    53  	for i, testCase := range testCases {
    54  		server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
    55  			upgrader := NewResponseUpgrader()
    56  			conn := upgrader.UpgradeResponse(w, req, nil)
    57  			haveErr := conn == nil
    58  			if e, a := testCase.shouldError, haveErr; e != a {
    59  				t.Fatalf("%d: expected shouldErr=%t, got %t", i, testCase.shouldError, haveErr)
    60  			}
    61  			if haveErr {
    62  				return
    63  			}
    64  			if conn == nil {
    65  				t.Fatalf("%d: unexpected nil conn", i)
    66  			}
    67  			defer conn.Close()
    68  		}))
    69  		defer server.Close()
    70  
    71  		req, err := http.NewRequest("GET", server.URL, nil)
    72  		if err != nil {
    73  			t.Fatalf("%d: error creating request: %s", i, err)
    74  		}
    75  
    76  		req.Header.Set("Connection", testCase.connectionHeader)
    77  		req.Header.Set("Upgrade", testCase.upgradeHeader)
    78  
    79  		client := &http.Client{}
    80  		resp, err := client.Do(req)
    81  		if err != nil {
    82  			t.Fatalf("%d: unexpected non-nil err from client.Do: %s", i, err)
    83  		}
    84  
    85  		if testCase.shouldError {
    86  			continue
    87  		}
    88  
    89  		if resp.StatusCode != http.StatusSwitchingProtocols {
    90  			t.Fatalf("%d: expected status 101 switching protocols, got %d", i, resp.StatusCode)
    91  		}
    92  	}
    93  }
    94
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