github.com/uber/kraken@v0.1.4/core/digest_test.go (about)

     1  // Copyright (c) 2016-2019 Uber Technologies, Inc.
     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  package core
    15  
    16  import (
    17  	"encoding/json"
    18  	"fmt"
    19  	"testing"
    20  
    21  	"github.com/stretchr/testify/require"
    22  )
    23  
    24  func TestValidateSHA256(t *testing.T) {
    25  	tests := []struct {
    26  		desc  string
    27  		input string
    28  		err   bool
    29  	}{
    30  		{"valid", "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", false},
    31  		{"too short", "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b85", true},
    32  		{"too long", "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b8556", true},
    33  		{"invalid hex", "zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz", true},
    34  	}
    35  	for _, test := range tests {
    36  		t.Run(test.desc, func(t *testing.T) {
    37  			err := ValidateSHA256(test.input)
    38  			if test.err {
    39  				require.Error(t, err)
    40  			} else {
    41  				require.NoError(t, err)
    42  			}
    43  		})
    44  	}
    45  }
    46  
    47  func TestNewSHA256DigestFromHex(t *testing.T) {
    48  	require := require.New(t)
    49  
    50  	d, err := NewSHA256DigestFromHex("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855")
    51  	require.NoError(err)
    52  	require.Equal("sha256", d.Algo())
    53  	require.Equal("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", d.Hex())
    54  	require.Equal("sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", d.String())
    55  	v, err := d.Value()
    56  	require.NoError(err)
    57  	require.Equal([]byte("\"sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\""), v)
    58  	require.Equal("e3b0", d.ShardID())
    59  }
    60  
    61  func TestNewSHA256DigestFromHexError(t *testing.T) {
    62  	_, err := NewSHA256DigestFromHex("invalid")
    63  	require.Error(t, err)
    64  }
    65  
    66  func TestParseSHA256Digest(t *testing.T) {
    67  	require := require.New(t)
    68  
    69  	d, err := ParseSHA256Digest("sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855")
    70  	require.NoError(err)
    71  	require.Equal("sha256", d.Algo())
    72  	require.Equal("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", d.Hex())
    73  	require.Equal("sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", d.String())
    74  	v, err := d.Value()
    75  	require.NoError(err)
    76  	require.Equal([]byte("\"sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\""), v)
    77  	require.Equal("e3b0", d.ShardID())
    78  }
    79  
    80  func TestParseSHA256DigestErrors(t *testing.T) {
    81  	tests := []struct {
    82  		desc  string
    83  		input string
    84  	}{
    85  		{"empty", ""},
    86  		{"extra part", "sha256:sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"},
    87  		{"no algo", "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"},
    88  		{"wrong algo", "sha1:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"},
    89  		{"invalid hex", "sha256:invalid"},
    90  	}
    91  	for _, test := range tests {
    92  		t.Run(test.desc, func(t *testing.T) {
    93  			_, err := ParseSHA256Digest(test.input)
    94  			require.Error(t, err)
    95  		})
    96  	}
    97  }
    98  
    99  func TestDigestStringConversion(t *testing.T) {
   100  	d := DigestFixture()
   101  	result, err := ParseSHA256Digest(d.String())
   102  	require.NoError(t, err)
   103  	require.Equal(t, d, result)
   104  }
   105  
   106  func TestDigestMarshalJSON(t *testing.T) {
   107  	require := require.New(t)
   108  	digest := DigestFixture()
   109  
   110  	b, err := json.Marshal(digest)
   111  	require.NoError(err)
   112  	require.Equal(string(b), fmt.Sprintf("%q", digest))
   113  
   114  	var result Digest
   115  	require.NoError(json.Unmarshal(b, &result))
   116  	require.Equal(digest, result)
   117  }
   118  
   119  func TestDigestUnmarshalJSONErrors(t *testing.T) {
   120  	tests := []struct {
   121  		desc  string
   122  		input string
   123  	}{
   124  		{"empty", ""},
   125  		{"invalid", "\"sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"},
   126  		{"no algo", "\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\""},
   127  	}
   128  	for _, test := range tests {
   129  		t.Run(test.desc, func(t *testing.T) {
   130  			var d Digest
   131  			require.Error(t, d.UnmarshalJSON([]byte(test.input)))
   132  		})
   133  	}
   134  }
   135  
   136  func TestDigestListValue(t *testing.T) {
   137  	require := require.New(t)
   138  	digests := DigestList{DigestFixture(), DigestFixture(), DigestFixture()}
   139  	v, err := digests.Value()
   140  	require.NoError(err)
   141  	expected := fmt.Sprintf("[%q,%q,%q]", digests[0], digests[1], digests[2])
   142  	require.Equal(expected, fmt.Sprintf("%s", v))
   143  
   144  	var result DigestList
   145  	require.NoError(result.Scan([]byte(expected)))
   146  	require.Equal(digests, result)
   147  }