encoding_test.go

Documentation: gopkg.in/square/go-jose.v2

     1  /*-
     2   * Copyright 2014 Square Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package jose
    18  
    19  import (
    20  	"bytes"
    21  	"strings"
    22  	"testing"
    23  )
    24  
    25  func TestDeflateRoundtrip(t *testing.T) {
    26  	original := []byte("Lorem ipsum dolor sit amet")
    27  
    28  	compressed, err := deflate(original)
    29  	if err != nil {
    30  		panic(err)
    31  	}
    32  
    33  	output, err := inflate(compressed)
    34  	if err != nil {
    35  		panic(err)
    36  	}
    37  
    38  	if bytes.Compare(output, original) != 0 {
    39  		t.Error("Input and output do not match")
    40  	}
    41  }
    42  
    43  func TestInvalidCompression(t *testing.T) {
    44  	_, err := compress("XYZ", []byte{})
    45  	if err == nil {
    46  		t.Error("should not accept invalid algorithm")
    47  	}
    48  
    49  	_, err = decompress("XYZ", []byte{})
    50  	if err == nil {
    51  		t.Error("should not accept invalid algorithm")
    52  	}
    53  
    54  	_, err = decompress(DEFLATE, []byte{1, 2, 3, 4})
    55  	if err == nil {
    56  		t.Error("should not accept invalid data")
    57  	}
    58  }
    59  
    60  func TestByteBufferTrim(t *testing.T) {
    61  	buf := newBufferFromInt(1)
    62  	if !bytes.Equal(buf.data, []byte{1}) {
    63  		t.Error("Byte buffer for integer '1' should contain [0x01]")
    64  	}
    65  
    66  	buf = newBufferFromInt(65537)
    67  	if !bytes.Equal(buf.data, []byte{1, 0, 1}) {
    68  		t.Error("Byte buffer for integer '65537' should contain [0x01, 0x00, 0x01]")
    69  	}
    70  }
    71  
    72  func TestFixedSizeBuffer(t *testing.T) {
    73  	data0 := []byte{}
    74  	data1 := []byte{1}
    75  	data2 := []byte{1, 2}
    76  	data3 := []byte{1, 2, 3}
    77  	data4 := []byte{1, 2, 3, 4}
    78  
    79  	buf0 := newFixedSizeBuffer(data0, 4)
    80  	buf1 := newFixedSizeBuffer(data1, 4)
    81  	buf2 := newFixedSizeBuffer(data2, 4)
    82  	buf3 := newFixedSizeBuffer(data3, 4)
    83  	buf4 := newFixedSizeBuffer(data4, 4)
    84  
    85  	if !bytes.Equal(buf0.data, []byte{0, 0, 0, 0}) {
    86  		t.Error("Invalid padded buffer for buf0")
    87  	}
    88  	if !bytes.Equal(buf1.data, []byte{0, 0, 0, 1}) {
    89  		t.Error("Invalid padded buffer for buf1")
    90  	}
    91  	if !bytes.Equal(buf2.data, []byte{0, 0, 1, 2}) {
    92  		t.Error("Invalid padded buffer for buf2")
    93  	}
    94  	if !bytes.Equal(buf3.data, []byte{0, 1, 2, 3}) {
    95  		t.Error("Invalid padded buffer for buf3")
    96  	}
    97  	if !bytes.Equal(buf4.data, []byte{1, 2, 3, 4}) {
    98  		t.Error("Invalid padded buffer for buf4")
    99  	}
   100  }
   101  
   102  func TestSerializeJSONRejectsNil(t *testing.T) {
   103  	defer func() {
   104  		r := recover()
   105  		if r == nil || !strings.Contains(r.(string), "nil pointer") {
   106  			t.Error("serialize function should not accept nil pointer")
   107  		}
   108  	}()
   109  
   110  	mustSerializeJSON(nil)
   111  }
   112  
   113  func TestFixedSizeBufferTooLarge(t *testing.T) {
   114  	defer func() {
   115  		r := recover()
   116  		if r == nil {
   117  			t.Error("should not be able to create fixed size buffer with oversized data")
   118  		}
   119  	}()
   120  
   121  	newFixedSizeBuffer(make([]byte, 2), 1)
   122  }
   123
View as plain text