github.com/adnan-c/fabric_e2e_couchdb@v0.6.1-preview.0.20170228180935-21ce6b23cf91/orderer/sbft/persist/persist_test.go (about)

     1  /*
     2  Copyright Digital Asset Holdings, LLC 2016 All Rights Reserved.
     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 persist
    18  
    19  import (
    20  	"fmt"
    21  	"math/rand"
    22  	"testing"
    23  )
    24  
    25  func TestCreatePersist(t *testing.T) {
    26  	tempdir := fmt.Sprintf("/tmp/persist_test_%d", rand.Int())
    27  	p := New(tempdir)
    28  	if p == nil {
    29  		t.Fatalf("Failed to create Persist.")
    30  	}
    31  }
    32  
    33  func TestStoreState(t *testing.T) {
    34  	tempdir := fmt.Sprintf("/tmp/persist_test_%d", rand.Int())
    35  	p := New(tempdir)
    36  	err := p.StoreState("key", []byte{0, 1})
    37  	if err != nil {
    38  		t.Fatalf("Failed to store state.")
    39  	}
    40  }
    41  
    42  func TestReadState(t *testing.T) {
    43  	tempdir := fmt.Sprintf("/tmp/persist_test_%d", rand.Int())
    44  	key := "key"
    45  	var v byte = 22
    46  	value := []byte{v}
    47  	p := New(tempdir)
    48  	err := p.StoreState(key, value)
    49  	if err != nil {
    50  		t.Fatalf("Failed to store state.")
    51  	}
    52  	value2, err := p.ReadState(key)
    53  	if err != nil {
    54  		t.Fatalf("Failed to read state.")
    55  	}
    56  	if len(value2) != 1 || value2[0] != v {
    57  		t.Fatalf("The read state is not equal to the one written.")
    58  	}
    59  }
    60  
    61  func TestErroneousReadState(t *testing.T) {
    62  	tempdir := fmt.Sprintf("/tmp/persist_test_%d", rand.Int())
    63  	key := "key"
    64  	p := New(tempdir)
    65  	_, err := p.ReadState(key)
    66  	if err == nil {
    67  		t.Fatalf("A non-existing key cannot be read.")
    68  	}
    69  }
    70  
    71  func TestDelState(t *testing.T) {
    72  	tempdir := fmt.Sprintf("/tmp/persist_test_%d", rand.Int())
    73  	key := "key"
    74  	var v byte = 22
    75  	value := []byte{v}
    76  	p := New(tempdir)
    77  	err := p.StoreState(key, value)
    78  	if err != nil {
    79  		t.Fatalf("Failed to store state.")
    80  	}
    81  	p.DelState(key)
    82  	_, err = p.ReadState(key)
    83  	if err == nil {
    84  		t.Fatalf("Failed to delete state.")
    85  	}
    86  }
    87  
    88  func TestReadStateSet(t *testing.T) {
    89  	tempdir := fmt.Sprintf("/tmp/persist_test_%d", rand.Int())
    90  	prefix := "keys"
    91  	key1 := "keys.one"
    92  	key2 := "keys.two"
    93  	var v1 byte = 22
    94  	value1 := []byte{v1}
    95  	var v2 byte = 57
    96  	value2 := []byte{v2}
    97  
    98  	p := New(tempdir)
    99  
   100  	err1 := p.StoreState(key1, value1)
   101  	if err1 != nil {
   102  		t.Fatalf("Failed to store state: %s (1)", err1)
   103  	}
   104  	err2 := p.StoreState(key2, value2)
   105  	if err2 != nil {
   106  		t.Fatalf("Failed to store state: %s (2)", err2)
   107  	}
   108  
   109  	set, err := p.ReadStateSet(prefix)
   110  	if err != nil {
   111  		t.Fatalf("Failed to read state set.")
   112  	}
   113  	retrv1, ok1 := set[key1]
   114  	if !ok1 || len(retrv1) != 1 || retrv1[0] != v1 {
   115  		t.Fatalf("The read state is not equal to the one written. (1)")
   116  	}
   117  	retrv2, ok2 := set[key2]
   118  	if !ok2 || len(retrv2) != 1 || retrv2[0] != v2 {
   119  		t.Fatalf("The read state is not equal to the one written. (2)")
   120  	}
   121  
   122  	if len(set) != 2 {
   123  		t.Fatalf("Too much item in the read state set.")
   124  	}
   125  }