github.com/ubuntu-core/snappy@v0.0.0-20210827154228-9e584df982bb/daemon/response_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2014-2015 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package daemon_test
    21  
    22  import (
    23  	"encoding/json"
    24  	"fmt"
    25  	"io/ioutil"
    26  	"net/http"
    27  	"net/http/httptest"
    28  	"os"
    29  	"path/filepath"
    30  
    31  	"gopkg.in/check.v1"
    32  
    33  	"github.com/snapcore/snapd/daemon"
    34  )
    35  
    36  type responseSuite struct{}
    37  
    38  var _ = check.Suite(&responseSuite{})
    39  
    40  func (s *responseSuite) TestRespSetsLocationIfAccepted(c *check.C) {
    41  	rec := httptest.NewRecorder()
    42  
    43  	rsp := &daemon.RespJSON{
    44  		Status: 202,
    45  		Result: map[string]interface{}{
    46  			"resource": "foo/bar",
    47  		},
    48  	}
    49  
    50  	rsp.ServeHTTP(rec, nil)
    51  	hdr := rec.Header()
    52  	c.Check(hdr.Get("Location"), check.Equals, "foo/bar")
    53  }
    54  
    55  func (s *responseSuite) TestRespSetsLocationIfCreated(c *check.C) {
    56  	rec := httptest.NewRecorder()
    57  
    58  	rsp := &daemon.RespJSON{
    59  		Status: 201,
    60  		Result: map[string]interface{}{
    61  			"resource": "foo/bar",
    62  		},
    63  	}
    64  
    65  	rsp.ServeHTTP(rec, nil)
    66  	hdr := rec.Header()
    67  	c.Check(hdr.Get("Location"), check.Equals, "foo/bar")
    68  }
    69  
    70  func (s *responseSuite) TestRespDoesNotSetLocationIfOther(c *check.C) {
    71  	rec := httptest.NewRecorder()
    72  
    73  	rsp := &daemon.RespJSON{
    74  		Status: 418, // I'm a teapot
    75  		Result: map[string]interface{}{
    76  			"resource": "foo/bar",
    77  		},
    78  	}
    79  
    80  	rsp.ServeHTTP(rec, nil)
    81  	hdr := rec.Header()
    82  	c.Check(hdr.Get("Location"), check.Equals, "")
    83  }
    84  
    85  func (s *responseSuite) TestFileResponseSetsContentDisposition(c *check.C) {
    86  	const filename = "icon.png"
    87  
    88  	path := filepath.Join(c.MkDir(), filename)
    89  	err := ioutil.WriteFile(path, nil, os.ModePerm)
    90  	c.Check(err, check.IsNil)
    91  
    92  	rec := httptest.NewRecorder()
    93  	rsp := daemon.FileResponse(path)
    94  	req, err := http.NewRequest("GET", "", nil)
    95  	c.Check(err, check.IsNil)
    96  
    97  	rsp.ServeHTTP(rec, req)
    98  
    99  	hdr := rec.Header()
   100  	c.Check(hdr.Get("Content-Disposition"), check.Equals,
   101  		fmt.Sprintf("attachment; filename=%s", filename))
   102  }
   103  
   104  // Due to how the protocol was defined the result must be sent, even if it is
   105  // null. Older clients rely on this.
   106  func (s *responseSuite) TestRespJSONWithNullResult(c *check.C) {
   107  	rj := &daemon.RespJSON{Result: nil}
   108  	data, err := json.Marshal(rj)
   109  	c.Assert(err, check.IsNil)
   110  	c.Check(string(data), check.Equals, `{"type":"","status-code":0,"status":"","result":null}`)
   111  }