github.com/tonistiigi/docker@v0.10.1-0.20240229224939-974013b0dc6a/client/network_create_test.go (about)

     1  package client // import "github.com/docker/docker/client"
     2  
     3  import (
     4  	"bytes"
     5  	"context"
     6  	"encoding/json"
     7  	"fmt"
     8  	"io"
     9  	"net/http"
    10  	"strings"
    11  	"testing"
    12  
    13  	"github.com/docker/docker/api/types"
    14  	"github.com/docker/docker/errdefs"
    15  	"gotest.tools/v3/assert"
    16  	is "gotest.tools/v3/assert/cmp"
    17  )
    18  
    19  func TestNetworkCreateError(t *testing.T) {
    20  	client := &Client{
    21  		client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
    22  	}
    23  
    24  	_, err := client.NetworkCreate(context.Background(), "mynetwork", types.NetworkCreate{})
    25  	assert.Check(t, is.ErrorType(err, errdefs.IsSystem))
    26  }
    27  
    28  // TestNetworkCreateConnectionError verifies that connection errors occurring
    29  // during API-version negotiation are not shadowed by API-version errors.
    30  //
    31  // Regression test for https://github.com/docker/cli/issues/4890
    32  func TestNetworkCreateConnectionError(t *testing.T) {
    33  	client, err := NewClientWithOpts(WithAPIVersionNegotiation(), WithHost("tcp://no-such-host.invalid"))
    34  	assert.NilError(t, err)
    35  
    36  	_, err = client.NetworkCreate(context.Background(), "mynetwork", types.NetworkCreate{})
    37  	assert.Check(t, is.ErrorType(err, IsErrConnectionFailed))
    38  }
    39  
    40  func TestNetworkCreate(t *testing.T) {
    41  	expectedURL := "/networks/create"
    42  
    43  	client := &Client{
    44  		client: newMockClient(func(req *http.Request) (*http.Response, error) {
    45  			if !strings.HasPrefix(req.URL.Path, expectedURL) {
    46  				return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
    47  			}
    48  
    49  			if req.Method != http.MethodPost {
    50  				return nil, fmt.Errorf("expected POST method, got %s", req.Method)
    51  			}
    52  
    53  			content, err := json.Marshal(types.NetworkCreateResponse{
    54  				ID:      "network_id",
    55  				Warning: "warning",
    56  			})
    57  			if err != nil {
    58  				return nil, err
    59  			}
    60  			return &http.Response{
    61  				StatusCode: http.StatusOK,
    62  				Body:       io.NopCloser(bytes.NewReader(content)),
    63  			}, nil
    64  		}),
    65  	}
    66  
    67  	networkResponse, err := client.NetworkCreate(context.Background(), "mynetwork", types.NetworkCreate{
    68  		Driver:     "mydriver",
    69  		EnableIPv6: true,
    70  		Internal:   true,
    71  		Options: map[string]string{
    72  			"opt-key": "opt-value",
    73  		},
    74  	})
    75  	if err != nil {
    76  		t.Fatal(err)
    77  	}
    78  	if networkResponse.ID != "network_id" {
    79  		t.Fatalf("expected networkResponse.ID to be 'network_id', got %s", networkResponse.ID)
    80  	}
    81  	if networkResponse.Warning != "warning" {
    82  		t.Fatalf("expected networkResponse.Warning to be 'warning', got %s", networkResponse.Warning)
    83  	}
    84  }