github.com/openebs/api@v1.12.0/pkg/util/hash_test.go (about)

     1  // Copyright © 2020 The OpenEBS Authors
     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  
    15  package util
    16  
    17  import (
    18  	"sort"
    19  	"testing"
    20  )
    21  
    22  func TestHashList(t *testing.T) {
    23  	fakeTestList := map[string][]string{
    24  		"list1": []string{},
    25  		"list2": []string{"list-1", "list-2", "list-3"},
    26  		"list3": []string{"list-4", "list-5", "list-6"},
    27  	}
    28  
    29  	for _, test := range fakeTestList {
    30  		fakeHash, err := Hash(test)
    31  		if err != nil {
    32  			t.Errorf("Failed to calculate the hash expected string but got: '%s' Error: '%v'", fakeHash, err)
    33  		}
    34  	}
    35  	fakeHash, err := Hash(fakeTestList)
    36  	if err != nil {
    37  		t.Errorf("Failed to calculate the hash expected string but got: '%s' Error: '%v'", fakeHash, err)
    38  	}
    39  }
    40  
    41  func TestHashStruct(t *testing.T) {
    42  	fakeStruct := map[string]struct {
    43  		name string
    44  		list []string
    45  	}{
    46  		"struct1": {
    47  			name: "",
    48  			list: []string{},
    49  		},
    50  		"struct2": {
    51  			name: "abcdefgh",
    52  			list: []string{"abc-1", "abc-2", "abc-3"},
    53  		},
    54  		"struct3": {
    55  			name: "jklmnop",
    56  			list: []string{"abcde", "abcdf", "hash"},
    57  		},
    58  	}
    59  	for _, test := range fakeStruct {
    60  		fakeHash, err := Hash(test)
    61  		if err != nil {
    62  			t.Errorf("Failed to calculate the hash expected string but got: '%s' Error: '%v'", fakeHash, err)
    63  		}
    64  	}
    65  	fakeHash, err := Hash(fakeStruct)
    66  	if err != nil {
    67  		t.Errorf("Failed to calculate the hash expected string but got: '%s' Error: '%v'", fakeHash, err)
    68  	}
    69  }
    70  
    71  func TestHashInnerStruct(t *testing.T) {
    72  	type fakeStruct struct {
    73  		name string
    74  		list []string
    75  	}
    76  	fakeComplexStruct := map[int]struct {
    77  		innerStructNum int
    78  		innerStruct    struct {
    79  			name string
    80  			list []string
    81  		}
    82  	}{
    83  		1: {
    84  			innerStructNum: 1,
    85  			innerStruct: fakeStruct{
    86  				name: "",
    87  				list: []string{},
    88  			},
    89  		},
    90  		2: {
    91  			innerStructNum: 2,
    92  			innerStruct: fakeStruct{
    93  				name: "hashInnerStruct",
    94  				list: []string{"hash1", "hash2", "hash3", "hash4"},
    95  			},
    96  		},
    97  	}
    98  	for _, test := range fakeComplexStruct {
    99  		fakeHash, err := Hash(test)
   100  		if err != nil {
   101  			t.Errorf("Failed to calculate the hash expected string but got: '%s' Error: '%v'", fakeHash, err)
   102  		}
   103  	}
   104  	fakeHash, err := Hash(fakeComplexStruct)
   105  	if err != nil {
   106  		t.Errorf("Failed to calculate the hash expected string but got: '%s' Error: '%v'", fakeHash, err)
   107  	}
   108  }
   109  
   110  func TestHashOutput(t *testing.T) {
   111  	list1 := []string{"one", "three", "two", "four"}
   112  	list2 := []string{"four", "one", "three", "two"}
   113  	sort.Strings(list1)
   114  	sort.Strings(list2)
   115  	hash1, err := Hash(list1)
   116  	if err != nil {
   117  		t.Errorf("Failed to calculate the hash expected string but got: '%s' Error: '%v'", hash1, err)
   118  	}
   119  	hash2, err := Hash(list2)
   120  	if err != nil {
   121  		t.Errorf("Failed to calculate the hash expected string but got: '%s' Error: '%v'", hash2, err)
   122  	}
   123  	if hash1 != hash2 {
   124  		t.Errorf("hash value didn't matched for the same list")
   125  	}
   126  }