gopkg.in/docker/docker.v20@v20.10.27/integration/container/links_linux_test.go (about)

     1  package container // import "github.com/docker/docker/integration/container"
     2  
     3  import (
     4  	"context"
     5  	"os"
     6  	"testing"
     7  
     8  	"github.com/docker/docker/api/types"
     9  	"github.com/docker/docker/api/types/filters"
    10  	"github.com/docker/docker/integration/internal/container"
    11  	"gotest.tools/v3/assert"
    12  	is "gotest.tools/v3/assert/cmp"
    13  	"gotest.tools/v3/skip"
    14  )
    15  
    16  func TestLinksEtcHostsContentMatch(t *testing.T) {
    17  	skip.If(t, testEnv.IsRemoteDaemon)
    18  	skip.If(t, testEnv.IsRootless, "rootless mode has different view of /etc/hosts")
    19  
    20  	hosts, err := os.ReadFile("/etc/hosts")
    21  	skip.If(t, os.IsNotExist(err))
    22  
    23  	defer setupTest(t)()
    24  	client := testEnv.APIClient()
    25  	ctx := context.Background()
    26  
    27  	cID := container.Run(ctx, t, client, container.WithNetworkMode("host"))
    28  	res, err := container.Exec(ctx, client, cID, []string{"cat", "/etc/hosts"})
    29  	assert.NilError(t, err)
    30  	assert.Assert(t, is.Len(res.Stderr(), 0))
    31  	assert.Equal(t, 0, res.ExitCode)
    32  
    33  	assert.Check(t, is.Equal(string(hosts), res.Stdout()))
    34  }
    35  
    36  func TestLinksContainerNames(t *testing.T) {
    37  	skip.If(t, testEnv.DaemonInfo.OSType == "windows")
    38  
    39  	defer setupTest(t)()
    40  	client := testEnv.APIClient()
    41  	ctx := context.Background()
    42  
    43  	containerA := "first_" + t.Name()
    44  	containerB := "second_" + t.Name()
    45  	container.Run(ctx, t, client, container.WithName(containerA))
    46  	container.Run(ctx, t, client, container.WithName(containerB), container.WithLinks(containerA+":"+containerA))
    47  
    48  	f := filters.NewArgs(filters.Arg("name", containerA))
    49  
    50  	containers, err := client.ContainerList(ctx, types.ContainerListOptions{
    51  		Filters: f,
    52  	})
    53  	assert.NilError(t, err)
    54  	assert.Check(t, is.Equal(1, len(containers)))
    55  	assert.Check(t, is.DeepEqual([]string{"/" + containerA, "/" + containerB + "/" + containerA}, containers[0].Names))
    56  }