k8s.io/kubernetes@v1.31.0-alpha.0.0.20240520171757-56147500dadc/cluster/images/etcd/migrate/versions_test.go (about)

     1  /*
     2  Copyright 2018 The Kubernetes Authors.
     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 main
    18  
    19  import (
    20  	"testing"
    21  
    22  	"github.com/blang/semver/v4"
    23  )
    24  
    25  func TestSerializeEtcdVersionPair(t *testing.T) {
    26  	cases := []struct {
    27  		versionTxt string
    28  		version    *EtcdVersionPair
    29  		match      bool
    30  	}{
    31  		{"3.1.2/etcd3", &EtcdVersionPair{&EtcdVersion{semver.MustParse("3.1.2")}, storageEtcd3}, true},
    32  		{"1.1.1-rc.0/etcd3", &EtcdVersionPair{&EtcdVersion{semver.MustParse("1.1.1-rc.0")}, storageEtcd3}, true},
    33  		{"10.100.1000/etcd3", &EtcdVersionPair{&EtcdVersion{semver.MustParse("10.100.1000")}, storageEtcd3}, true},
    34  	}
    35  
    36  	for _, c := range cases {
    37  		vp, err := ParseEtcdVersionPair(c.versionTxt)
    38  		if err != nil {
    39  			t.Errorf("Failed to parse '%s': %v", c.versionTxt, err)
    40  		}
    41  		if vp.Equals(c.version) != c.match {
    42  			t.Errorf("Expected '%s' to be parsed as '%+v', got '%+v'", c.versionTxt, c.version, vp)
    43  		}
    44  		if vp.String() != c.versionTxt {
    45  			t.Errorf("Expected round trip serialization back to '%s', got '%s'", c.versionTxt, vp.String())
    46  		}
    47  	}
    48  
    49  	unparsables := []string{
    50  		"1.1/etcd3",
    51  		"1.1.1.1/etcd3",
    52  		"1.1.1/etcd4",
    53  	}
    54  	for _, unparsable := range unparsables {
    55  		vp, err := ParseEtcdVersionPair(unparsable)
    56  		if err == nil {
    57  			t.Errorf("Should have failed to parse '%s' but got '%s'", unparsable, vp)
    58  		}
    59  	}
    60  }
    61  
    62  func TestMajorMinorEquals(t *testing.T) {
    63  	cases := []struct {
    64  		first  *EtcdVersion
    65  		second *EtcdVersion
    66  		match  bool
    67  	}{
    68  		{&EtcdVersion{semver.Version{Major: 3, Minor: 1, Patch: 2}}, &EtcdVersion{semver.Version{Major: 3, Minor: 1, Patch: 0}}, true},
    69  		{&EtcdVersion{semver.Version{Major: 3, Minor: 1, Patch: 2}}, &EtcdVersion{semver.Version{Major: 3, Minor: 1, Patch: 2}}, true},
    70  
    71  		{&EtcdVersion{semver.Version{Major: 3, Minor: 0, Patch: 0}}, &EtcdVersion{semver.Version{Major: 3, Minor: 1, Patch: 0}}, false},
    72  		{&EtcdVersion{semver.Version{Major: 2, Minor: 0, Patch: 0}}, &EtcdVersion{semver.Version{Major: 3, Minor: 0, Patch: 0}}, false},
    73  	}
    74  
    75  	for _, c := range cases {
    76  		if c.first.MajorMinorEquals(c.second) != c.match {
    77  			t.Errorf("Expected (%+v == %+v) == %t, got %t", c.first, c.second, c.match, !c.match)
    78  		}
    79  	}
    80  }