knative.dev/pkg@v0.0.0-20260602142205-ac97e43f6622/changeset/commit_test.go (about)

     1  /*
     2  Copyright 2022 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 changeset
    18  
    19  import (
    20  	"runtime/debug"
    21  	"sync"
    22  	"testing"
    23  
    24  	"github.com/google/go-cmp/cmp"
    25  )
    26  
    27  func TestGet(t *testing.T) {
    28  	cases := []struct {
    29  		name   string
    30  		info   *debug.BuildInfo
    31  		ok     bool
    32  		result string
    33  	}{{
    34  		name:   "info fails",
    35  		ok:     false,
    36  		result: Unknown,
    37  	}, {
    38  		name:   "missing revision",
    39  		ok:     true,
    40  		info:   &debug.BuildInfo{},
    41  		result: Unknown,
    42  	}, {
    43  		name: "SHA1 revision is truncated",
    44  		ok:   true,
    45  		info: &debug.BuildInfo{
    46  			Settings: []debug.BuildSetting{{
    47  				Key: "vcs.revision", Value: "3666ce749d32abe7be0528380c8c05a4282cb733",
    48  			}},
    49  		},
    50  		result: "3666ce7",
    51  	}, {
    52  		name: "SHA256 revision is truncated",
    53  		ok:   true,
    54  		info: &debug.BuildInfo{
    55  			Settings: []debug.BuildSetting{{
    56  				Key: "vcs.revision", Value: "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824",
    57  			}},
    58  		},
    59  		result: "2cf24db",
    60  	}, {
    61  		name: "modified workspace results in -dirty suffix",
    62  		ok:   true,
    63  		info: &debug.BuildInfo{
    64  			Settings: []debug.BuildSetting{{
    65  				Key: "vcs.revision", Value: "3666ce749d32abe7be0528380c8c05a4282cb733",
    66  			}, {
    67  				Key: "vcs.modified", Value: "true",
    68  			}},
    69  		},
    70  		result: "3666ce7-dirty",
    71  	}}
    72  
    73  	for _, c := range cases {
    74  		t.Run(c.name, func(t *testing.T) {
    75  			rev = ""
    76  			once = sync.Once{}
    77  			readBuildInfo = func() (info *debug.BuildInfo, ok bool) {
    78  				return c.info, c.ok
    79  			}
    80  
    81  			got := Get()
    82  			want := c.result
    83  
    84  			if diff := cmp.Diff(want, got); diff != "" {
    85  				t.Errorf("result doesn't match expected: %s", diff)
    86  			}
    87  		})
    88  	}
    89  }