ref_test.go

Documentation: github.com/google/go-containerregistry/pkg/name

     1  // Copyright 2018 Google LLC All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //    http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package name
    16  
    17  import (
    18  	"testing"
    19  )
    20  
    21  var (
    22  	testDefaultRegistry = "registry.upbound.io"
    23  	testDefaultTag      = "stable"
    24  	inputDefaultNames   = []string{
    25  		"crossplane/provider-gcp",
    26  		"crossplane/provider-gcp:v0.14.0",
    27  		"ubuntu",
    28  		"gcr.io/crossplane/provider-gcp:latest",
    29  	}
    30  	outputDefaultNames = []string{
    31  		"registry.upbound.io/crossplane/provider-gcp:stable",
    32  		"registry.upbound.io/crossplane/provider-gcp:v0.14.0",
    33  		"registry.upbound.io/ubuntu:stable",
    34  		"gcr.io/crossplane/provider-gcp:latest",
    35  	}
    36  )
    37  
    38  func TestParseReferenceDefaulting(t *testing.T) {
    39  	for i, name := range inputDefaultNames {
    40  		ref, err := ParseReference(name, WithDefaultRegistry(testDefaultRegistry), WithDefaultTag(testDefaultTag))
    41  		if err != nil {
    42  			t.Errorf("ParseReference(%q); %v", name, err)
    43  		}
    44  		if ref.Name() != outputDefaultNames[i] {
    45  			t.Errorf("ParseReference(%q); got %v, want %v", name, ref.String(), outputDefaultNames[i])
    46  		}
    47  	}
    48  }
    49  
    50  func TestParseReference(t *testing.T) {
    51  	for _, name := range goodWeakValidationDigestNames {
    52  		ref, err := ParseReference(name, WeakValidation)
    53  		if err != nil {
    54  			t.Errorf("ParseReference(%q); %v", name, err)
    55  		}
    56  		dig, err := NewDigest(name, WeakValidation)
    57  		if err != nil {
    58  			t.Errorf("NewDigest(%q); %v", name, err)
    59  		}
    60  		if ref != dig {
    61  			t.Errorf("ParseReference(%q) != NewDigest(%q); got %v, want %v", name, name, ref, dig)
    62  		}
    63  	}
    64  
    65  	for _, name := range goodStrictValidationDigestNames {
    66  		ref, err := ParseReference(name, StrictValidation)
    67  		if err != nil {
    68  			t.Errorf("ParseReference(%q); %v", name, err)
    69  		}
    70  		dig, err := NewDigest(name, StrictValidation)
    71  		if err != nil {
    72  			t.Errorf("NewDigest(%q); %v", name, err)
    73  		}
    74  		if ref != dig {
    75  			t.Errorf("ParseReference(%q) != NewDigest(%q); got %v, want %v", name, name, ref, dig)
    76  		}
    77  	}
    78  
    79  	for _, name := range badDigestNames {
    80  		if _, err := ParseReference(name, WeakValidation); err == nil {
    81  			t.Errorf("ParseReference(%q); expected error, got none", name)
    82  		}
    83  	}
    84  
    85  	for _, name := range goodWeakValidationTagNames {
    86  		ref, err := ParseReference(name, WeakValidation)
    87  		if err != nil {
    88  			t.Errorf("ParseReference(%q); %v", name, err)
    89  		}
    90  		tag, err := NewTag(name, WeakValidation)
    91  		if err != nil {
    92  			t.Errorf("NewTag(%q); %v", name, err)
    93  		}
    94  		if ref != tag {
    95  			t.Errorf("ParseReference(%q) != NewTag(%q); got %v, want %v", name, name, ref, tag)
    96  		}
    97  	}
    98  
    99  	for _, name := range goodStrictValidationTagNames {
   100  		ref, err := ParseReference(name, StrictValidation)
   101  		if err != nil {
   102  			t.Errorf("ParseReference(%q); %v", name, err)
   103  		}
   104  		tag, err := NewTag(name, StrictValidation)
   105  		if err != nil {
   106  			t.Errorf("NewTag(%q); %v", name, err)
   107  		}
   108  		if ref != tag {
   109  			t.Errorf("ParseReference(%q) != NewTag(%q); got %v, want %v", name, name, ref, tag)
   110  		}
   111  	}
   112  
   113  	for _, name := range badTagNames {
   114  		if _, err := ParseReference(name, WeakValidation); err == nil {
   115  			t.Errorf("ParseReference(%q); expected error, got none", name)
   116  		}
   117  	}
   118  }
   119  
   120  func TestMustParseReference(t *testing.T) {
   121  	for _, name := range append(goodWeakValidationTagNames, goodWeakValidationDigestNames...) {
   122  		func() {
   123  			defer func() {
   124  				if err := recover(); err != nil {
   125  					t.Errorf("MustParseReference(%q, WeakValidation); panic: %v", name, err)
   126  				}
   127  			}()
   128  			MustParseReference(stringConst(name), WeakValidation)
   129  		}()
   130  	}
   131  
   132  	for _, name := range append(goodStrictValidationTagNames, goodStrictValidationDigestNames...) {
   133  		func() {
   134  			defer func() {
   135  				if err := recover(); err != nil {
   136  					t.Errorf("MustParseReference(%q, StrictValidation); panic: %v", name, err)
   137  				}
   138  			}()
   139  			MustParseReference(stringConst(name), StrictValidation)
   140  		}()
   141  	}
   142  
   143  	for _, name := range append(badTagNames, badDigestNames...) {
   144  		func() {
   145  			defer func() { recover() }()
   146  			ref := MustParseReference(stringConst(name), WeakValidation)
   147  			t.Errorf("MustParseReference(%q, WeakValidation) should panic, got: %#v", name, ref)
   148  		}()
   149  	}
   150  }
   151  
   152  // Test that MustParseReference can accept a const string or string value.
   153  const str = "valid/string"
   154  
   155  var _ = MustParseReference(str)
   156  var _ = MustParseReference("valid/string")
   157  var _ = MustParseReference("valid/prefix/" + str)
   158
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