diff options
Diffstat (limited to 'internal/compare/image_test.go')
-rw-r--r-- | internal/compare/image_test.go | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/internal/compare/image_test.go b/internal/compare/image_test.go new file mode 100644 index 0000000..fe011a4 --- /dev/null +++ b/internal/compare/image_test.go @@ -0,0 +1,66 @@ +// Copyright 2019 Google LLC All Rights Reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package compare + +import ( + "testing" + + "github.com/google/go-containerregistry/pkg/v1/mutate" + "github.com/google/go-containerregistry/pkg/v1/random" + "github.com/google/go-containerregistry/pkg/v1/types" +) + +func TestDifferentImages(t *testing.T) { + a, err := random.Image(100, 3) + if err != nil { + t.Fatal(err) + } + b, err := random.Image(100, 3) + if err != nil { + t.Fatal(err) + } + + b = mutate.MediaType(b, types.OCIManifestSchema1) + + if err := Images(a, b); err == nil { + t.Errorf("got nil err, should have something") + } +} + +func TestMismatchedLayers(t *testing.T) { + a, err := random.Image(100, 3) + if err != nil { + t.Fatal(err) + } + b, err := random.Image(100, 2) + if err != nil { + t.Fatal(err) + } + + if err := Images(a, b); err == nil { + t.Errorf("got nil err, should have something") + } +} + +func TestEqualImages(t *testing.T) { + a, err := random.Image(100, 2) + if err != nil { + t.Fatal(err) + } + + if err := Images(a, a); err != nil { + t.Errorf("got err: %v", err) + } +} |