github.com/tenywen/fabric@v1.0.0-beta.0.20170620030522-a5b1ed380643/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  // TestValidConfigID checks that the constraints on chain IDs are enforced properly
    25  func TestValidConfigID(t *testing.T) {
    26  	acceptMsg := "Should have accepted valid config ID"
    27  	rejectMsg := "Should have rejected invalid config ID"
    28  
    29  	t.Run("ZeroLength", func(t *testing.T) {
    30  		if err := validateConfigID(""); err == nil {
    31  			t.Fatal(rejectMsg)
    32  		}
    33  	})
    34  
    35  	t.Run("LongerThanMaxAllowed", func(t *testing.T) {
    36  		if err := validateConfigID(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 := validateConfigID(illegalName); err == nil {
    44  				t.Fatal(rejectMsg)
    45  			}
    46  		}
    47  	})
    48  
    49  	t.Run("ContainsIllegalCharacter", func(t *testing.T) {
    50  		if err := validateConfigID("foo_bar"); err == nil {
    51  			t.Fatal(rejectMsg)
    52  		}
    53  	})
    54  
    55  	t.Run("ValidName", func(t *testing.T) {
    56  		if err := validateConfigID("foo.bar"); err != nil {
    57  			t.Fatal(acceptMsg)
    58  		}
    59  	})
    60  }
    61  
    62  // TestValidChannelID checks that the constraints on chain IDs are enforced properly
    63  func TestValidChannelID(t *testing.T) {
    64  	acceptMsg := "Should have accepted valid channel ID"
    65  	rejectMsg := "Should have rejected invalid channel ID"
    66  
    67  	t.Run("ZeroLength", func(t *testing.T) {
    68  		if err := validateChannelID(""); err == nil {
    69  			t.Fatal(rejectMsg)
    70  		}
    71  	})
    72  
    73  	t.Run("LongerThanMaxAllowed", func(t *testing.T) {
    74  		if err := validateChannelID(randomLowerAlphaString(maxLength + 1)); err == nil {
    75  			t.Fatal(rejectMsg)
    76  		}
    77  	})
    78  
    79  	t.Run("ContainsIllegalCharacter", func(t *testing.T) {
    80  		if err := validateChannelID("foo_bar"); err == nil {
    81  			t.Fatal(rejectMsg)
    82  		}
    83  	})
    84  
    85  	t.Run("StartsWithNumber", func(t *testing.T) {
    86  		if err := validateChannelID("8foo"); err == nil {
    87  			t.Fatal(rejectMsg)
    88  		}
    89  	})
    90  
    91  	t.Run("StartsWithDot", func(t *testing.T) {
    92  		if err := validateChannelID(".foo"); err == nil {
    93  			t.Fatal(rejectMsg)
    94  		}
    95  	})
    96  
    97  	t.Run("ValidName", func(t *testing.T) {
    98  		if err := validateChannelID("f-oo.bar"); err != nil {
    99  			t.Fatal(acceptMsg)
   100  		}
   101  	})
   102  }
   103  
   104  // Helper functions
   105  
   106  func randomLowerAlphaString(size int) string {
   107  	letters := []rune("abcdefghijklmnopqrstuvwxyz")
   108  	output := make([]rune, size)
   109  	for i := range output {
   110  		output[i] = letters[rand.Intn(len(letters))]
   111  	}
   112  	return string(output)
   113  }
   114  
   115  func randomAlphaString(size int) string {
   116  	letters := []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
   117  	output := make([]rune, size)
   118  	for i := range output {
   119  		output[i] = letters[rand.Intn(len(letters))]
   120  	}
   121  	return string(output)
   122  }