index_test.go

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

     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 empty
    16  
    17  import (
    18  	"testing"
    19  
    20  	v1 "github.com/google/go-containerregistry/pkg/v1"
    21  	"github.com/google/go-containerregistry/pkg/v1/types"
    22  	"github.com/google/go-containerregistry/pkg/v1/validate"
    23  )
    24  
    25  func TestIndex(t *testing.T) {
    26  	if err := validate.Index(Index); err != nil {
    27  		t.Fatalf("validate.Index(empty.Index) = %v", err)
    28  	}
    29  
    30  	if mt, err := Index.MediaType(); err != nil || mt != types.OCIImageIndex {
    31  		t.Errorf("empty.Index.MediaType() = %v, %v", mt, err)
    32  	}
    33  
    34  	if _, err := Index.Image(v1.Hash{}); err == nil {
    35  		t.Errorf("empty.Index.Image() should always fail")
    36  	}
    37  	if _, err := Index.ImageIndex(v1.Hash{}); err == nil {
    38  		t.Errorf("empty.Index.ImageIndex() should always fail")
    39  	}
    40  }
    41
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