github.com/google/martian/v3@v3.3.3/status/status_modifier_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 status
    16  
    17  import (
    18  	"fmt"
    19  	"net/http"
    20  	"testing"
    21  
    22  	"github.com/google/martian/v3/parse"
    23  	"github.com/google/martian/v3/proxyutil"
    24  )
    25  
    26  func TestFromJSON(t *testing.T) {
    27  	msg := []byte(`{
    28      "status.Modifier": {
    29        "scope": ["response"],
    30        "statusCode": 400
    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  	resmod := r.ResponseModifier()
    39  	if resmod == nil {
    40  		t.Fatal("resmod: got nil, want not nil")
    41  	}
    42  
    43  	res := proxyutil.NewResponse(200, nil, nil)
    44  	if err := resmod.ModifyResponse(res); err != nil {
    45  		t.Fatalf("ModifyResponse(): got %v, want no error", err)
    46  	}
    47  	if got, want := res.StatusCode, 400; got != want {
    48  		t.Errorf("res.StatusCode: got %d, want %d", got, want)
    49  	}
    50  }
    51  
    52  func TestStatusModifierOnResponse(t *testing.T) {
    53  	for i, status := range []int{
    54  		http.StatusForbidden,
    55  		http.StatusOK,
    56  		http.StatusTemporaryRedirect,
    57  	} {
    58  		req, err := http.NewRequest("GET", "/", nil)
    59  		if err != nil {
    60  			t.Fatalf("NewRequest(): got %v, want no error", err)
    61  		}
    62  
    63  		res := proxyutil.NewResponse(200, nil, req)
    64  
    65  		mod := NewModifier(status)
    66  
    67  		if err := mod.ModifyResponse(res); err != nil {
    68  			t.Fatalf("%d. ModifyResponse(): got %v, want no error", i, err)
    69  		}
    70  
    71  		if got, want := res.StatusCode, status; got != want {
    72  			t.Errorf("%d. res.StatusCode: got %v, want %v", i, got, want)
    73  		}
    74  		if got, want := res.Status, fmt.Sprintf("%d %s", res.StatusCode, http.StatusText(status)); got != want {
    75  			t.Errorf("%d. res.Status: got %q, want %q", i, got, want)
    76  		}
    77  	}
    78  }