github.com/tonistiigi/docker@v0.10.1-0.20240229224939-974013b0dc6a/integration/container/links_linux_test.go (about)

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