knative.dev/pkg@v0.0.0-20260602142205-ac97e43f6622/version/version_test.go (about)

     1  /*
     2  Copyright 2020 The Knative 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 version
    18  
    19  import (
    20  	"errors"
    21  	"testing"
    22  
    23  	"k8s.io/apimachinery/pkg/version"
    24  )
    25  
    26  type testVersioner struct {
    27  	version string
    28  	err     error
    29  }
    30  
    31  func (t *testVersioner) ServerVersion() (*version.Info, error) {
    32  	return &version.Info{GitVersion: t.version}, t.err
    33  }
    34  
    35  func TestVersionCheck(t *testing.T) {
    36  	tests := []struct {
    37  		name            string
    38  		actualVersion   *testVersioner
    39  		versionOverride string
    40  		wantError       bool
    41  	}{{
    42  		name:          "greater version (patch)",
    43  		actualVersion: &testVersioner{version: "v1.34.1"},
    44  	}, {
    45  		name:          "greater version (patch), no v",
    46  		actualVersion: &testVersioner{version: "1.34.1"},
    47  	}, {
    48  		name:          "greater version (patch), pre-release",
    49  		actualVersion: &testVersioner{version: "1.34.1-kpn-065dce"},
    50  	}, {
    51  		name:          "greater version (patch), pre-release with build",
    52  		actualVersion: &testVersioner{version: "1.34.1-1095+9689d22dc3121e-dirty"},
    53  	}, {
    54  		name:            "greater version (patch), pre-release, envvar override",
    55  		actualVersion:   &testVersioner{version: "1.15.11-kpn-065dce"},
    56  		versionOverride: "1.15.11",
    57  	}, {
    58  		name:            "greater version (patch), pre-release, envvar override, -0 hack",
    59  		actualVersion:   &testVersioner{version: "1.15.11-kpn-065dce"},
    60  		versionOverride: "1.15.11-0",
    61  	}, {
    62  		name:          "greater version (minor)",
    63  		actualVersion: &testVersioner{version: "v1.35.0"},
    64  	}, {
    65  		name:          "same version",
    66  		actualVersion: &testVersioner{version: "v1.34.0"},
    67  	}, {
    68  		name:          "same version with build",
    69  		actualVersion: &testVersioner{version: "v1.34.0+k3s.1"},
    70  	}, {
    71  		name:          "same version with pre-release",
    72  		actualVersion: &testVersioner{version: "v1.34.0-k3s.1"},
    73  	}, {
    74  		name:          "smaller version",
    75  		actualVersion: &testVersioner{version: "v1.14.3"},
    76  		wantError:     true,
    77  	}, {
    78  		name:          "error while fetching",
    79  		actualVersion: &testVersioner{err: errors.New("random error")},
    80  		wantError:     true,
    81  	}, {
    82  		name:            "smaller version with overridden version",
    83  		versionOverride: "v1.13.0",
    84  		actualVersion:   &testVersioner{version: "v1.13.3"},
    85  	}, {
    86  		name:          "unparseable actual version",
    87  		actualVersion: &testVersioner{version: "v1.13.foo"},
    88  		wantError:     true,
    89  	}, {
    90  		name:            "unparseable override version",
    91  		versionOverride: "v1.13.foo",
    92  		actualVersion:   &testVersioner{version: "v1.13.3"},
    93  		wantError:       true,
    94  	}}
    95  
    96  	for _, test := range tests {
    97  		t.Run(test.name, func(t *testing.T) {
    98  			t.Setenv(KubernetesMinVersionKey, test.versionOverride)
    99  
   100  			err := CheckMinimumVersion(test.actualVersion)
   101  			if err == nil && test.wantError {
   102  				t.Errorf("Expected an error for minimum: %q, actual: %v", KubernetesMinimumVersion(), test.actualVersion)
   103  			}
   104  
   105  			if err != nil && !test.wantError {
   106  				t.Errorf("Expected no error but got %v for minimum: %q, actual: %v", err, KubernetesMinimumVersion(), test.actualVersion)
   107  			}
   108  		})
   109  	}
   110  }
   111  
   112  func TestKubernetesMinimumVersion(t *testing.T) {
   113  	t.Run("default", func(t *testing.T) {
   114  		t.Setenv(KubernetesMinVersionKey, "")
   115  		if got := KubernetesMinimumVersion(); got != DefaultKubernetesMinVersion {
   116  			t.Errorf("KubernetesMinimumVersion() = %q, want %q", got, DefaultKubernetesMinVersion)
   117  		}
   118  	})
   119  	t.Run("override", func(t *testing.T) {
   120  		t.Setenv(KubernetesMinVersionKey, "v1.99.0")
   121  		if got := KubernetesMinimumVersion(); got != "v1.99.0" {
   122  			t.Errorf("KubernetesMinimumVersion() = %q, want %q", got, "v1.99.0")
   123  		}
   124  	})
   125  }