github.com/adnan-c/fabric_e2e_couchdb@v0.6.1-preview.0.20170228180935-21ce6b23cf91/common/configtx/util_test.go (about)

     1  /*
     2  Copyright IBM Corp. 2017 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 configtx
    18  
    19  import (
    20  	"math/rand"
    21  	"testing"
    22  )
    23  
    24  // TestValidchainID checks that the constraints on chain IDs are enforced properly
    25  func TestValidChainID(t *testing.T) {
    26  	acceptMsg := "Should have accepted valid chain ID"
    27  	rejectMsg := "Should have rejected invalid chain ID"
    28  
    29  	t.Run("ZeroLength", func(t *testing.T) {
    30  		if err := validateChainID(""); err == nil {
    31  			t.Fatal(rejectMsg)
    32  		}
    33  	})
    34  
    35  	t.Run("LongerThanMaxAllowed", func(t *testing.T) {
    36  		if err := validateChainID(randomAlphaString(maxLength + 1)); err == nil {
    37  			t.Fatal(rejectMsg)
    38  		}
    39  	})
    40  
    41  	t.Run("HasIllegalName", func(t *testing.T) {
    42  		for illegalName := range illegalNames {
    43  			if err := validateChainID(illegalName); err == nil {
    44  				t.Fatal(rejectMsg)
    45  			}
    46  		}
    47  	})
    48  
    49  	t.Run("ContainsIllegalCharacter", func(t *testing.T) {
    50  		if err := validateChainID("foo_bar"); err == nil {
    51  			t.Fatal(rejectMsg)
    52  		}
    53  	})
    54  
    55  	t.Run("ValidName", func(t *testing.T) {
    56  		if err := validateChainID("foo.bar"); err != nil {
    57  			t.Fatal(acceptMsg)
    58  		}
    59  	})
    60  }
    61  
    62  // Helper functions
    63  
    64  func randomAlphaString(size int) string {
    65  	letters := []rune("abcdefghijklmnopqrstuvwxyz")
    66  	output := make([]rune, size)
    67  	for i := range output {
    68  		output[i] = letters[rand.Intn(len(letters))]
    69  	}
    70  	return string(output)
    71  }