github.com/Lephar/snapd@v0.0.0-20210825215435-c7fba9cef4d2/cmd/snapctl/main_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2016 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 main
    21  
    22  import (
    23  	"bytes"
    24  	"encoding/json"
    25  	"fmt"
    26  	"io/ioutil"
    27  	"net/http"
    28  	"net/http/httptest"
    29  	"os"
    30  	"path/filepath"
    31  	"testing"
    32  
    33  	. "gopkg.in/check.v1"
    34  
    35  	"github.com/snapcore/snapd/client"
    36  )
    37  
    38  func TestT(t *testing.T) { TestingT(t) }
    39  
    40  type snapctlSuite struct {
    41  	server            *httptest.Server
    42  	oldArgs           []string
    43  	expectedContextID string
    44  	expectedArgs      []string
    45  	expectedStdin     []byte
    46  }
    47  
    48  var _ = Suite(&snapctlSuite{})
    49  
    50  func (s *snapctlSuite) SetUpTest(c *C) {
    51  	os.Setenv("SNAP_COOKIE", "snap-context-test")
    52  	// don't use SNAP_CONTEXT, in case other tests accidentally leak this
    53  	os.Unsetenv("SNAP_CONTEXT")
    54  	n := 0
    55  	s.server = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    56  		switch n {
    57  		case 0:
    58  			c.Assert(r.Method, Equals, "POST")
    59  			c.Assert(r.URL.Path, Equals, "/v2/snapctl")
    60  			c.Assert(r.Header.Get("Authorization"), Equals, "")
    61  
    62  			var snapctlPostData client.SnapCtlPostData
    63  			decoder := json.NewDecoder(r.Body)
    64  			c.Assert(decoder.Decode(&snapctlPostData), IsNil)
    65  			c.Assert(snapctlPostData.ContextID, Equals, s.expectedContextID)
    66  			c.Assert(snapctlPostData.Args, DeepEquals, s.expectedArgs)
    67  			c.Assert(snapctlPostData.Stdin, DeepEquals, s.expectedStdin)
    68  
    69  			fmt.Fprintln(w, `{"type": "sync", "result": {"stdout": "test stdout", "stderr": "test stderr"}}`)
    70  		default:
    71  			c.Fatalf("expected to get 1 request, now on %d", n+1)
    72  		}
    73  
    74  		n++
    75  	}))
    76  	clientConfig.BaseURL = s.server.URL
    77  	s.oldArgs = os.Args
    78  	os.Args = []string{"snapctl"}
    79  	s.expectedContextID = "snap-context-test"
    80  	s.expectedArgs = []string{}
    81  
    82  	fakeAuthPath := filepath.Join(c.MkDir(), "auth.json")
    83  	os.Setenv("SNAPD_AUTH_DATA_FILENAME", fakeAuthPath)
    84  	err := ioutil.WriteFile(fakeAuthPath, []byte(`{"macaroon":"user-macaroon"}`), 0644)
    85  	c.Assert(err, IsNil)
    86  }
    87  
    88  func (s *snapctlSuite) TearDownTest(c *C) {
    89  	os.Unsetenv("SNAP_COOKIE")
    90  	os.Unsetenv("SNAPD_AUTH_DATA_FILENAME")
    91  	clientConfig.BaseURL = ""
    92  	s.server.Close()
    93  	os.Args = s.oldArgs
    94  }
    95  
    96  func (s *snapctlSuite) TestSnapctl(c *C) {
    97  	stdout, stderr, err := run(nil)
    98  	c.Check(err, IsNil)
    99  	c.Check(string(stdout), Equals, "test stdout")
   100  	c.Check(string(stderr), Equals, "test stderr")
   101  }
   102  
   103  func (s *snapctlSuite) TestSnapctlWithArgs(c *C) {
   104  	os.Args = []string{"snapctl", "foo", "--bar"}
   105  
   106  	s.expectedArgs = []string{"foo", "--bar"}
   107  	stdout, stderr, err := run(nil)
   108  	c.Check(err, IsNil)
   109  	c.Check(string(stdout), Equals, "test stdout")
   110  	c.Check(string(stderr), Equals, "test stderr")
   111  }
   112  
   113  func (s *snapctlSuite) TestSnapctlHelp(c *C) {
   114  	os.Unsetenv("SNAP_COOKIE")
   115  	s.expectedContextID = ""
   116  
   117  	os.Args = []string{"snapctl", "-h"}
   118  	s.expectedArgs = []string{"-h"}
   119  
   120  	_, _, err := run(nil)
   121  	c.Check(err, IsNil)
   122  }
   123  
   124  func (s *snapctlSuite) TestSnapctlWithStdin(c *C) {
   125  	s.expectedStdin = []byte("hello")
   126  	mockStdin := bytes.NewBuffer(s.expectedStdin)
   127  
   128  	_, _, err := run(mockStdin)
   129  	c.Check(err, IsNil)
   130  }