github.com/google/martian/v3@v3.3.3/method/method_verifier_test.go (about)

     1  // Copyright 2015 Google Inc. All rights reserved.
     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 method
    16  
    17  import (
    18  	"net/http"
    19  	"testing"
    20  
    21  	"github.com/google/martian/v3"
    22  	"github.com/google/martian/v3/parse"
    23  	"github.com/google/martian/v3/verify"
    24  )
    25  
    26  func TestVerifierFromJSON(t *testing.T) {
    27  	msg := []byte(`{
    28      "method.Verifier": {
    29        "scope": ["request"],
    30        "method": "POST"
    31      }
    32    }`)
    33  
    34  	r, err := parse.FromJSON(msg)
    35  	if err != nil {
    36  		t.Fatalf("parse.FromJSON(): got %v, want no error", err)
    37  	}
    38  	reqmod := r.RequestModifier()
    39  	if reqmod == nil {
    40  		t.Fatal("reqmod: got nil, want not nil")
    41  	}
    42  	reqv, ok := reqmod.(verify.RequestVerifier)
    43  	if !ok {
    44  		t.Fatal("reqmod.(verify.RequestVerifier): got !ok, want ok")
    45  	}
    46  
    47  	req, err := http.NewRequest("GET", "http://example.com", nil)
    48  	if err != nil {
    49  		t.Fatalf("http.NewRequest(): got %v, want no error", err)
    50  	}
    51  	if err := reqv.ModifyRequest(req); err != nil {
    52  		t.Fatalf("ModifyRequest(): got %v, want no error", err)
    53  	}
    54  	if err := reqv.VerifyRequests(); err == nil {
    55  		t.Error("VerifyRequests(): got nil, want not nil")
    56  	}
    57  }
    58  
    59  func TestVerifyRequestPasses(t *testing.T) {
    60  	for _, m := range []string{
    61  		"GET",
    62  		"HEAD",
    63  		"PUT",
    64  		"POST",
    65  		"DELETE",
    66  		"TRACE",
    67  		"OPTIONS",
    68  		"CONNECT",
    69  		"PATCH",
    70  	} {
    71  		v, err := NewVerifier(m)
    72  		if err != nil {
    73  			t.Fatalf("NewVerifier(%q): got %v, want no error", m, err)
    74  		}
    75  		req, err := http.NewRequest(m, "www.google.com", nil)
    76  		if err != nil {
    77  			t.Fatalf("http.NewRequest(): got %v, want no error", err)
    78  		}
    79  		if err := v.ModifyRequest(req); err != nil {
    80  			t.Fatalf("ModifyRequest(): got %v, want no error", err)
    81  		}
    82  		if err := v.VerifyRequests(); err != nil {
    83  			t.Fatalf("VerifyRequests(): got %v, want no error", err)
    84  		}
    85  
    86  		v.ResetRequestVerifications()
    87  
    88  		if err := v.VerifyRequests(); err != nil {
    89  			t.Errorf("v.VerifyRequests(): got %v, want no error", err)
    90  		}
    91  	}
    92  }
    93  
    94  func TestVerifyPostRequestFailsWithMultiFail(t *testing.T) {
    95  	v, _ := NewVerifier("POST")
    96  	req, err := http.NewRequest("GET", "http://www.google.com", nil)
    97  	if err != nil {
    98  		t.Fatalf("http.NewRequest got %v, want no error", err)
    99  	}
   100  	if err := v.ModifyRequest(req); err != nil {
   101  		t.Fatalf("ModifyRequest(): got %v, want no error", err)
   102  	}
   103  	if err := v.ModifyRequest(req); err != nil {
   104  		t.Fatalf("ModifyRequest(): got %v, want no error", err)
   105  	}
   106  
   107  	merr, ok := v.VerifyRequests().(*martian.MultiError)
   108  	if !ok {
   109  		t.Fatalf("VerifyRequests(): got nil, want *verify.MultiError")
   110  	}
   111  
   112  	errs := merr.Errors()
   113  	if len(errs) != 2 {
   114  		t.Fatalf("len(merr.Errors()): got %d, want 2", len(errs))
   115  	}
   116  
   117  	expectErr := "request(http://www.google.com) method verification error: got POST, want GET"
   118  	for i := range errs {
   119  		if got, want := errs[i].Error(), expectErr; got != want {
   120  			t.Errorf("%d. err.Error(): mismatched error output\ngot: %s\nwant: %s", i,
   121  				got, want)
   122  		}
   123  	}
   124  
   125  	v.ResetRequestVerifications()
   126  
   127  	if err := v.VerifyRequests(); err != nil {
   128  		t.Errorf("v.VerifyRequests(): got %v, want no error", err)
   129  	}
   130  }
   131  
   132  func TestBadInputToConstructor(t *testing.T) {
   133  	if _, err := NewVerifier(""); err == nil {
   134  		t.Fatalf("NewVerifier(): no error returned for empty")
   135  	}
   136  }