github.com/braveheart12/insolar-09-08-19@v0.8.7/pulsar/entropygenerator/entropygenerator_test.go (about)

     1  /*
     2   *    Copyright 2019 Insolar Technologies
     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 entropygenerator
    18  
    19  import (
    20  	"bytes"
    21  	"testing"
    22  )
    23  
    24  func TestStandardEntropyGenerator_GenerateEntropy_EntropySize(t *testing.T) {
    25  	generator := &StandardEntropyGenerator{}
    26  
    27  	first := generator.GenerateEntropy()
    28  
    29  	if len(first) != 64 {
    30  		t.Errorf("Length of entropy should be equal to 8, got %v", len(first))
    31  	}
    32  }
    33  
    34  func TestStandardEntropyGenerator_GenerateEntropy_EntropyShouldBeUnique(t *testing.T) {
    35  	generator := &StandardEntropyGenerator{}
    36  	first := generator.GenerateEntropy()
    37  	second := generator.GenerateEntropy()
    38  
    39  	result := bytes.Equal(first[:], second[:])
    40  
    41  	if result {
    42  		t.Errorf("Entropies shouldn't be the same, got - %v, wanted - %v", first, second)
    43  	}
    44  }