github.com/kaisenlinux/docker.io@v0.0.0-20230510090727-ea55db55fac7/engine/api/server/router/swarm/helpers_test.go (about)

     1  package swarm // import "github.com/docker/docker/api/server/router/swarm"
     2  
     3  import (
     4  	"reflect"
     5  	"testing"
     6  
     7  	"github.com/docker/docker/api/types/swarm"
     8  	"github.com/docker/go-units"
     9  )
    10  
    11  func TestAdjustForAPIVersion(t *testing.T) {
    12  	var (
    13  		expectedSysctls = map[string]string{"foo": "bar"}
    14  	)
    15  	// testing the negative -- does this leave everything else alone? -- is
    16  	// prohibitively time-consuming to write, because it would need an object
    17  	// with literally every field filled in.
    18  	spec := &swarm.ServiceSpec{
    19  		TaskTemplate: swarm.TaskSpec{
    20  			ContainerSpec: &swarm.ContainerSpec{
    21  				Sysctls: expectedSysctls,
    22  				Privileges: &swarm.Privileges{
    23  					CredentialSpec: &swarm.CredentialSpec{
    24  						Config: "someconfig",
    25  					},
    26  				},
    27  				Configs: []*swarm.ConfigReference{
    28  					{
    29  						File: &swarm.ConfigReferenceFileTarget{
    30  							Name: "foo",
    31  							UID:  "bar",
    32  							GID:  "baz",
    33  						},
    34  						ConfigID:   "configFile",
    35  						ConfigName: "configFile",
    36  					},
    37  					{
    38  						Runtime:    &swarm.ConfigReferenceRuntimeTarget{},
    39  						ConfigID:   "configRuntime",
    40  						ConfigName: "configRuntime",
    41  					},
    42  				},
    43  				Ulimits: []*units.Ulimit{
    44  					{
    45  						Name: "nofile",
    46  						Soft: 100,
    47  						Hard: 200,
    48  					},
    49  				},
    50  			},
    51  			Placement: &swarm.Placement{
    52  				MaxReplicas: 222,
    53  			},
    54  			Resources: &swarm.ResourceRequirements{
    55  				Limits: &swarm.Limit{
    56  					Pids: 300,
    57  				},
    58  			},
    59  		},
    60  	}
    61  
    62  	// first, does calling this with a later version correctly NOT strip
    63  	// fields? do the later version first, so we can reuse this spec in the
    64  	// next test.
    65  	adjustForAPIVersion("1.41", spec)
    66  	if !reflect.DeepEqual(spec.TaskTemplate.ContainerSpec.Sysctls, expectedSysctls) {
    67  		t.Error("Sysctls was stripped from spec")
    68  	}
    69  
    70  	if spec.TaskTemplate.Resources.Limits.Pids == 0 {
    71  		t.Error("PidsLimit was stripped from spec")
    72  	}
    73  	if spec.TaskTemplate.Resources.Limits.Pids != 300 {
    74  		t.Error("PidsLimit did not preserve the value from spec")
    75  	}
    76  
    77  	if spec.TaskTemplate.ContainerSpec.Privileges.CredentialSpec.Config != "someconfig" {
    78  		t.Error("CredentialSpec.Config field was stripped from spec")
    79  	}
    80  
    81  	if spec.TaskTemplate.ContainerSpec.Configs[1].Runtime == nil {
    82  		t.Error("ConfigReferenceRuntimeTarget was stripped from spec")
    83  	}
    84  
    85  	if spec.TaskTemplate.Placement.MaxReplicas != 222 {
    86  		t.Error("MaxReplicas was stripped from spec")
    87  	}
    88  
    89  	if len(spec.TaskTemplate.ContainerSpec.Ulimits) == 0 {
    90  		t.Error("Ulimits were stripped from spec")
    91  	}
    92  
    93  	// next, does calling this with an earlier version correctly strip fields?
    94  	adjustForAPIVersion("1.29", spec)
    95  	if spec.TaskTemplate.ContainerSpec.Sysctls != nil {
    96  		t.Error("Sysctls was not stripped from spec")
    97  	}
    98  
    99  	if spec.TaskTemplate.Resources.Limits.Pids != 0 {
   100  		t.Error("PidsLimit was not stripped from spec")
   101  	}
   102  
   103  	if spec.TaskTemplate.ContainerSpec.Privileges.CredentialSpec.Config != "" {
   104  		t.Error("CredentialSpec.Config field was not stripped from spec")
   105  	}
   106  
   107  	if spec.TaskTemplate.ContainerSpec.Configs[1].Runtime != nil {
   108  		t.Error("ConfigReferenceRuntimeTarget was not stripped from spec")
   109  	}
   110  
   111  	if spec.TaskTemplate.Placement.MaxReplicas != 0 {
   112  		t.Error("MaxReplicas was not stripped from spec")
   113  	}
   114  
   115  	if len(spec.TaskTemplate.ContainerSpec.Ulimits) != 0 {
   116  		t.Error("Ulimits were not stripped from spec")
   117  	}
   118  
   119  }