github.com/m3db/m3@v1.5.0/src/query/api/v1/handler/graphite/pickle/pickle_writer_test.go (about)

     1  // Copyright (c) 2019 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package pickle
    22  
    23  import (
    24  	"bytes"
    25  	"math"
    26  	"testing"
    27  
    28  	"github.com/hydrogen18/stalecucumber"
    29  	"github.com/stretchr/testify/assert"
    30  	"github.com/stretchr/testify/require"
    31  )
    32  
    33  func TestWriteEmptyDict(t *testing.T) {
    34  	var buf bytes.Buffer
    35  	w := NewWriter(&buf)
    36  	w.BeginDict()
    37  	w.EndDict()
    38  	require.NoError(t, w.Close())
    39  
    40  	var m map[interface{}]interface{}
    41  	require.NoError(t, unpickle(buf.Bytes(), &m))
    42  	assert.Equal(t, map[interface{}]interface{}{}, m)
    43  }
    44  
    45  func TestWriteEmptyList(t *testing.T) {
    46  	var buf bytes.Buffer
    47  	w := NewWriter(&buf)
    48  	w.BeginList()
    49  	w.EndList()
    50  	require.NoError(t, w.Close())
    51  
    52  	var m []string
    53  	require.NoError(t, unpickle(buf.Bytes(), &m))
    54  	assert.Equal(t, []string{}, m)
    55  }
    56  
    57  func TestWriteComplex(t *testing.T) {
    58  	var buf bytes.Buffer
    59  	w := NewWriter(&buf)
    60  	w.BeginDict()
    61  	w.WriteDictKey("step")
    62  	w.WriteInt(3494945)
    63  	w.WriteDictKey("pi")
    64  	w.WriteFloat64(3.45E10)
    65  	w.WriteDictKey("none")
    66  	w.WriteNone()
    67  	w.WriteDictKey("noNumber")
    68  	w.WriteFloat64(math.NaN())
    69  	w.WriteDictKey("skey")
    70  	w.WriteString("hello world")
    71  	w.WriteDictKey("nested")
    72  	w.BeginDict()
    73  	w.WriteDictKey("fooBar")
    74  	w.BeginList()
    75  	w.WriteFloat64(349439.3494)
    76  	w.WriteInt(-9459450)
    77  	w.WriteString("A Nested String")
    78  	w.EndList()
    79  	w.EndDict()
    80  	w.EndDict()
    81  	require.NoError(t, w.Close())
    82  
    83  	s := struct {
    84  		Step     int
    85  		Pi       float64
    86  		NoNumber *float64
    87  		Skey     string
    88  		Nested   struct {
    89  			FooBar []interface{}
    90  		}
    91  	}{}
    92  
    93  	require.NoError(t, unpickle(buf.Bytes(), &s))
    94  	assert.Equal(t, 3494945, s.Step)
    95  	assert.Equal(t, 3.45E10, s.Pi)
    96  	assert.Nil(t, s.NoNumber)
    97  	assert.Equal(t, "hello world", s.Skey)
    98  	assert.Equal(t, []interface{}{
    99  		349439.3494, int64(-9459450), "A Nested String",
   100  	}, s.Nested.FooBar)
   101  }
   102  
   103  func unpickle(b []byte, data interface{}) error {
   104  	r := bytes.NewReader(b)
   105  	return stalecucumber.UnpackInto(data).From(stalecucumber.Unpickle(r))
   106  }