github.com/vchain-us/vcn@v0.9.11-0.20210921212052-a2484d23c0b3/pkg/extractor/docker/docker_test.go (about)

     1  /*
     2   * Copyright (c) 2018-2020 vChain, Inc. All Rights Reserved.
     3   * This software is released under GPL3.
     4   * The full license information can be found under:
     5   * https://www.gnu.org/licenses/gpl-3.0.en.html
     6   *
     7   */
     8  
     9  package docker
    10  
    11  import (
    12  	"os/exec"
    13  	"testing"
    14  
    15  	"github.com/stretchr/testify/assert"
    16  	"github.com/vchain-us/vcn/pkg/uri"
    17  )
    18  
    19  func TestDocker(t *testing.T) {
    20  	_, err := exec.Command("docker", "pull", "hello-world").Output()
    21  	if err != nil {
    22  		t.Skip("docker not available")
    23  	}
    24  
    25  	u, _ := uri.Parse("docker://hello-world")
    26  	artifacts, err := Artifact(u)
    27  	assert.NoError(t, err)
    28  	assert.NotNil(t, artifacts)
    29  	assert.Equal(t, "docker://hello-world:latest", artifacts[0].Name)
    30  	assert.Regexp(t, "[0-9a-f]{64}", artifacts[0].Hash)
    31  	assert.NotZero(t, artifacts[0].Size)
    32  }
    33  
    34  func TestInferVer(t *testing.T) {
    35  	testCases := map[string]string{
    36  		"golang:1.12-stretch": "1.12-stretch",
    37  		"golang:latest":       "",
    38  	}
    39  
    40  	for tag, ver := range testCases {
    41  		i := image{
    42  			RepoTags: []string{tag},
    43  		}
    44  		assert.Equal(
    45  			t,
    46  			ver,
    47  			i.inferVer(),
    48  			"wrong version for %s", tag,
    49  		)
    50  	}
    51  }