parsers_test.go

Documentation: k8s.io/kubernetes/pkg/util/parsers

     1  /*
     2  Copyright 2016 The Kubernetes 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 parsers
    18  
    19  import (
    20  	"strings"
    21  	"testing"
    22  )
    23  
    24  // Based on Docker test case removed in:
    25  // https://github.com/docker/docker/commit/4352da7803d182a6013a5238ce20a7c749db979a
    26  func TestParseImageName(t *testing.T) {
    27  	testCases := []struct {
    28  		Input         string
    29  		Repo          string
    30  		Tag           string
    31  		Digest        string
    32  		expectedError string
    33  	}{
    34  		{Input: "root", Repo: "docker.io/library/root", Tag: "latest"},
    35  		{Input: "root:tag", Repo: "docker.io/library/root", Tag: "tag"},
    36  		{Input: "root@sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", Repo: "docker.io/library/root", Digest: "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"},
    37  		{Input: "user/repo", Repo: "docker.io/user/repo", Tag: "latest"},
    38  		{Input: "user/repo:tag", Repo: "docker.io/user/repo", Tag: "tag"},
    39  		{Input: "user/repo@sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", Repo: "docker.io/user/repo", Digest: "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"},
    40  		{Input: "url:5000/repo", Repo: "url:5000/repo", Tag: "latest"},
    41  		{Input: "url:5000/repo:tag", Repo: "url:5000/repo", Tag: "tag"},
    42  		{Input: "url:5000/repo@sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", Repo: "url:5000/repo", Digest: "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"},
    43  		{Input: "url:5000/repo:latest@sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", Tag: "latest", Repo: "url:5000/repo", Digest: "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"},
    44  		{Input: "ROOT", expectedError: "must be lowercase"},
    45  		{Input: "http://root", expectedError: "invalid reference format"},
    46  		{Input: "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", expectedError: "cannot specify 64-byte hexadecimal strings"},
    47  	}
    48  	for _, testCase := range testCases {
    49  		repo, tag, digest, err := ParseImageName(testCase.Input)
    50  		switch {
    51  		case testCase.expectedError != "" && !strings.Contains(err.Error(), testCase.expectedError):
    52  			t.Errorf("ParseImageName(%s) expects error %v but did not get one", testCase.Input, err)
    53  		case testCase.expectedError == "" && err != nil:
    54  			t.Errorf("ParseImageName(%s) failed: %v", testCase.Input, err)
    55  		case repo != testCase.Repo || tag != testCase.Tag || digest != testCase.Digest:
    56  			t.Errorf("Expected repo: %q, tag: %q and digest: %q, got %q, %q and %q", testCase.Repo, testCase.Tag, testCase.Digest,
    57  				repo, tag, digest)
    58  		}
    59  	}
    60  }
    61
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