github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/gossip/keys_test.go (about)

     1  // Copyright 2016 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  package gossip
    12  
    13  import (
    14  	"testing"
    15  
    16  	"github.com/cockroachdb/cockroach/pkg/roachpb"
    17  	"github.com/cockroachdb/cockroach/pkg/util/leaktest"
    18  )
    19  
    20  func TestNodeIDFromKey(t *testing.T) {
    21  	defer leaktest.AfterTest(t)()
    22  
    23  	testCases := []struct {
    24  		key     string
    25  		nodeID  roachpb.NodeID
    26  		success bool
    27  	}{
    28  		{MakeNodeIDKey(0), 0, true},
    29  		{MakeNodeIDKey(1), 1, true},
    30  		{MakeNodeIDKey(123), 123, true},
    31  		{MakeNodeIDKey(123) + "foo", 0, false},
    32  		{"foo" + MakeNodeIDKey(123), 0, false},
    33  		{KeyNodeIDPrefix, 0, false},
    34  		{KeyNodeIDPrefix + ":", 0, false},
    35  		{KeyNodeIDPrefix + ":foo", 0, false},
    36  		{"123", 0, false},
    37  		{MakePrefixPattern(KeyNodeIDPrefix), 0, false},
    38  		{MakeNodeLivenessKey(1), 0, false},
    39  		{MakeStoreKey(1), 0, false},
    40  	}
    41  
    42  	for _, tc := range testCases {
    43  		t.Run(tc.key, func(t *testing.T) {
    44  			nodeID, err := NodeIDFromKey(tc.key, KeyNodeIDPrefix)
    45  			if err != nil {
    46  				if tc.success {
    47  					t.Errorf("expected success, got error: %s", err)
    48  				}
    49  			} else if !tc.success {
    50  				t.Errorf("expected failure, got nodeID %d", nodeID)
    51  			} else if nodeID != tc.nodeID {
    52  				t.Errorf("expected NodeID=%d, got %d", tc.nodeID, nodeID)
    53  			}
    54  		})
    55  	}
    56  }
    57  
    58  func TestStoreIDFromKey(t *testing.T) {
    59  	defer leaktest.AfterTest(t)()
    60  
    61  	testCases := []struct {
    62  		key     string
    63  		storeID roachpb.StoreID
    64  		success bool
    65  	}{
    66  		{MakeStoreKey(0), 0, true},
    67  		{MakeStoreKey(1), 1, true},
    68  		{MakeStoreKey(123), 123, true},
    69  		{MakeStoreKey(123) + "foo", 0, false},
    70  		{"foo" + MakeStoreKey(123), 0, false},
    71  		{KeyStorePrefix, 0, false},
    72  		{"123", 0, false},
    73  		{MakePrefixPattern(KeyStorePrefix), 0, false},
    74  	}
    75  
    76  	for _, tc := range testCases {
    77  		t.Run(tc.key, func(t *testing.T) {
    78  			storeID, err := StoreIDFromKey(tc.key)
    79  			if err != nil {
    80  				if tc.success {
    81  					t.Errorf("expected success, got error: %s", err)
    82  				}
    83  			} else if !tc.success {
    84  				t.Errorf("expected failure, got storeID %d", storeID)
    85  			} else if storeID != tc.storeID {
    86  				t.Errorf("expected StoreID=%d, got %d", tc.storeID, storeID)
    87  			}
    88  		})
    89  	}
    90  }