match_test.go

Documentation: github.com/google/go-containerregistry/pkg/v1/match

     1  // Copyright 2020 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 match_test
    16  
    17  import (
    18  	"testing"
    19  
    20  	v1 "github.com/google/go-containerregistry/pkg/v1"
    21  	"github.com/google/go-containerregistry/pkg/v1/match"
    22  	"github.com/google/go-containerregistry/pkg/v1/types"
    23  	imagespec "github.com/opencontainers/image-spec/specs-go/v1"
    24  )
    25  
    26  func TestName(t *testing.T) {
    27  	tests := []struct {
    28  		desc  v1.Descriptor
    29  		name  string
    30  		match bool
    31  	}{
    32  		{v1.Descriptor{Annotations: map[string]string{imagespec.AnnotationRefName: "foo"}}, "foo", true},
    33  		{v1.Descriptor{Annotations: map[string]string{imagespec.AnnotationRefName: "foo"}}, "bar", false},
    34  		{v1.Descriptor{Annotations: map[string]string{}}, "bar", false},
    35  		{v1.Descriptor{Annotations: nil}, "bar", false},
    36  		{v1.Descriptor{}, "bar", false},
    37  	}
    38  	for i, tt := range tests {
    39  		f := match.Name(tt.name)
    40  		if match := f(tt.desc); match != tt.match {
    41  			t.Errorf("%d: mismatched, got %v expected %v for desc %#v name %s", i, match, tt.match, tt.desc, tt.name)
    42  		}
    43  	}
    44  }
    45  
    46  func TestAnnotation(t *testing.T) {
    47  	tests := []struct {
    48  		desc  v1.Descriptor
    49  		key   string
    50  		value string
    51  		match bool
    52  	}{
    53  		{v1.Descriptor{Annotations: map[string]string{"foo": "bar"}}, "foo", "bar", true},
    54  		{v1.Descriptor{Annotations: map[string]string{"foo": "bar"}}, "bar", "foo", false},
    55  		{v1.Descriptor{Annotations: map[string]string{}}, "foo", "bar", false},
    56  		{v1.Descriptor{Annotations: nil}, "foo", "bar", false},
    57  		{v1.Descriptor{}, "foo", "bar", false},
    58  	}
    59  	for i, tt := range tests {
    60  		f := match.Annotation(tt.key, tt.value)
    61  		if match := f(tt.desc); match != tt.match {
    62  			t.Errorf("%d: mismatched, got %v expected %v for desc %#v annotation %s:%s", i, match, tt.match, tt.desc, tt.key, tt.value)
    63  		}
    64  	}
    65  }
    66  
    67  func TestPlatforms(t *testing.T) {
    68  	tests := []struct {
    69  		desc      v1.Descriptor
    70  		platforms []v1.Platform
    71  		match     bool
    72  	}{
    73  		{v1.Descriptor{Platform: &v1.Platform{Architecture: "amd64", OS: "linux"}}, []v1.Platform{{Architecture: "amd64", OS: "darwin"}, {Architecture: "amd64", OS: "linux"}}, true},
    74  		{v1.Descriptor{Platform: &v1.Platform{Architecture: "amd64", OS: "linux"}}, []v1.Platform{{Architecture: "arm64", OS: "linux"}, {Architecture: "s390x", OS: "linux"}}, false},
    75  		{v1.Descriptor{Platform: &v1.Platform{OS: "linux"}}, []v1.Platform{{Architecture: "arm64", OS: "linux"}}, false},
    76  		{v1.Descriptor{Platform: &v1.Platform{}}, []v1.Platform{{Architecture: "arm64", OS: "linux"}}, false},
    77  		{v1.Descriptor{Platform: nil}, []v1.Platform{{Architecture: "arm64", OS: "linux"}}, false},
    78  		{v1.Descriptor{}, []v1.Platform{{Architecture: "arm64", OS: "linux"}}, false},
    79  	}
    80  	for i, tt := range tests {
    81  		f := match.Platforms(tt.platforms...)
    82  		if match := f(tt.desc); match != tt.match {
    83  			t.Errorf("%d: mismatched, got %v expected %v for desc %#v platform %#v", i, match, tt.match, tt.desc, tt.platforms)
    84  		}
    85  	}
    86  }
    87  
    88  func TestMediaTypes(t *testing.T) {
    89  	tests := []struct {
    90  		desc       v1.Descriptor
    91  		mediaTypes []string
    92  		match      bool
    93  	}{
    94  		{v1.Descriptor{MediaType: types.OCIImageIndex}, []string{string(types.OCIImageIndex)}, true},
    95  		{v1.Descriptor{MediaType: types.OCIImageIndex}, []string{string(types.OCIManifestSchema1)}, false},
    96  		{v1.Descriptor{MediaType: types.OCIImageIndex}, []string{string(types.OCIManifestSchema1), string(types.OCIImageIndex)}, true},
    97  		{v1.Descriptor{MediaType: types.OCIImageIndex}, []string{"a", "b"}, false},
    98  		{v1.Descriptor{}, []string{string(types.OCIManifestSchema1), string(types.OCIImageIndex)}, false},
    99  	}
   100  	for i, tt := range tests {
   101  		f := match.MediaTypes(tt.mediaTypes...)
   102  		if match := f(tt.desc); match != tt.match {
   103  			t.Errorf("%d: mismatched, got %v expected %v for desc %#v mediaTypes %#v", i, match, tt.match, tt.desc, tt.mediaTypes)
   104  		}
   105  	}
   106  }
   107  
   108  func TestDigests(t *testing.T) {
   109  	hashes := []string{
   110  		"deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef",
   111  		"abcde1111111222f0123456789abcdef0123456789abcdef0123456789abcdef",
   112  		"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef",
   113  	}
   114  	algo := "sha256"
   115  
   116  	tests := []struct {
   117  		desc    v1.Descriptor
   118  		digests []v1.Hash
   119  		match   bool
   120  	}{
   121  		{v1.Descriptor{Digest: v1.Hash{Algorithm: algo, Hex: hashes[0]}}, []v1.Hash{{Algorithm: algo, Hex: hashes[0]}, {Algorithm: algo, Hex: hashes[1]}}, true},
   122  		{v1.Descriptor{Digest: v1.Hash{Algorithm: algo, Hex: hashes[1]}}, []v1.Hash{{Algorithm: algo, Hex: hashes[0]}, {Algorithm: algo, Hex: hashes[1]}}, true},
   123  		{v1.Descriptor{Digest: v1.Hash{Algorithm: algo, Hex: hashes[2]}}, []v1.Hash{{Algorithm: algo, Hex: hashes[0]}, {Algorithm: algo, Hex: hashes[1]}}, false},
   124  	}
   125  	for i, tt := range tests {
   126  		f := match.Digests(tt.digests...)
   127  		if match := f(tt.desc); match != tt.match {
   128  			t.Errorf("%d: mismatched, got %v expected %v for desc %#v digests %#v", i, match, tt.match, tt.desc, tt.digests)
   129  		}
   130  	}
   131  }
   132
View as plain text