DockerCLI/cli/command/network/create_test.go

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package network
import (
"context"
"io/ioutil"
"strings"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/network"
"github.com/gotestyourself/gotestyourself/assert"
is "github.com/gotestyourself/gotestyourself/assert/cmp"
"github.com/pkg/errors"
)
func TestNetworkCreateErrors(t *testing.T) {
testCases := []struct {
args []string
flags map[string]string
networkCreateFunc func(ctx context.Context, name string, options types.NetworkCreate) (types.NetworkCreateResponse, error)
expectedError string
}{
{
expectedError: "exactly 1 argument",
},
{
args: []string{"toto"},
networkCreateFunc: func(ctx context.Context, name string, createBody types.NetworkCreate) (types.NetworkCreateResponse, error) {
return types.NetworkCreateResponse{}, errors.Errorf("error creating network")
},
expectedError: "error creating network",
},
{
args: []string{"toto"},
flags: map[string]string{
"ip-range": "255.255.0.0/24",
"gateway": "255.0.255.0/24",
"subnet": "10.1.2.0.30.50",
},
expectedError: "invalid CIDR address: 10.1.2.0.30.50",
},
{
args: []string{"toto"},
flags: map[string]string{
"ip-range": "255.255.0.0.30/24",
"gateway": "255.0.255.0/24",
"subnet": "255.0.0.0/24",
},
expectedError: "invalid CIDR address: 255.255.0.0.30/24",
},
{
args: []string{"toto"},
flags: map[string]string{
"gateway": "255.0.0.0/24",
},
expectedError: "every ip-range or gateway must have a corresponding subnet",
},
{
args: []string{"toto"},
flags: map[string]string{
"ip-range": "255.0.0.0/24",
},
expectedError: "every ip-range or gateway must have a corresponding subnet",
},
{
args: []string{"toto"},
flags: map[string]string{
"ip-range": "255.0.0.0/24",
"gateway": "255.0.0.0/24",
},
expectedError: "every ip-range or gateway must have a corresponding subnet",
},
{
args: []string{"toto"},
flags: map[string]string{
"ip-range": "255.255.0.0/24",
"gateway": "255.0.255.0/24",
"subnet": "10.1.2.0/23,10.1.3.248/30",
},
expectedError: "multiple overlapping subnet configuration is not supported",
},
{
args: []string{"toto"},
flags: map[string]string{
"ip-range": "192.168.1.0/24,192.168.1.200/24",
"gateway": "192.168.1.1,192.168.1.4",
"subnet": "192.168.2.0/24,192.168.1.250/24",
},
expectedError: "cannot configure multiple ranges (192.168.1.200/24, 192.168.1.0/24) on the same subnet (192.168.1.250/24)",
},
{
args: []string{"toto"},
flags: map[string]string{
"ip-range": "255.255.200.0/24,255.255.120.0/24",
"gateway": "255.0.255.0/24",
"subnet": "255.255.255.0/24,255.255.0.255/24",
},
expectedError: "no matching subnet for range 255.255.200.0/24",
},
{
args: []string{"toto"},
flags: map[string]string{
"ip-range": "192.168.1.0/24",
"gateway": "192.168.1.1,192.168.1.4",
"subnet": "192.168.2.0/24,192.168.1.250/24",
},
expectedError: "cannot configure multiple gateways (192.168.1.4, 192.168.1.1) for the same subnet (192.168.1.250/24)",
},
{
args: []string{"toto"},
flags: map[string]string{
"ip-range": "192.168.1.0/24",
"gateway": "192.168.4.1,192.168.5.4",
"subnet": "192.168.2.0/24,192.168.1.250/24",
},
expectedError: "no matching subnet for gateway 192.168.4.1",
},
{
args: []string{"toto"},
flags: map[string]string{
"gateway": "255.255.0.0/24",
"subnet": "255.255.0.0/24",
"aux-address": "255.255.0.30/24",
},
expectedError: "no matching subnet for aux-address",
},
}
for _, tc := range testCases {
cmd := newCreateCommand(
test.NewFakeCli(&fakeClient{
networkCreateFunc: tc.networkCreateFunc,
}),
)
cmd.SetArgs(tc.args)
for key, value := range tc.flags {
assert.NilError(t, cmd.Flags().Set(key, value))
}
cmd.SetOutput(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestNetworkCreateWithFlags(t *testing.T) {
expectedDriver := "foo"
expectedOpts := []network.IPAMConfig{
{
Subnet: "192.168.4.0/24",
IPRange: "192.168.4.0/24",
Gateway: "192.168.4.1/24",
AuxAddress: map[string]string{},
},
}
cli := test.NewFakeCli(&fakeClient{
networkCreateFunc: func(ctx context.Context, name string, createBody types.NetworkCreate) (types.NetworkCreateResponse, error) {
assert.Check(t, is.Equal(expectedDriver, createBody.Driver), "not expected driver error")
assert.Check(t, is.DeepEqual(expectedOpts, createBody.IPAM.Config), "not expected driver error")
return types.NetworkCreateResponse{
ID: name,
}, nil
},
})
args := []string{"banana"}
cmd := newCreateCommand(cli)
cmd.SetArgs(args)
cmd.Flags().Set("driver", "foo")
cmd.Flags().Set("ip-range", "192.168.4.0/24")
cmd.Flags().Set("gateway", "192.168.4.1/24")
cmd.Flags().Set("subnet", "192.168.4.0/24")
assert.NilError(t, cmd.Execute())
assert.Check(t, is.Equal("banana", strings.TrimSpace(cli.OutBuffer().String())))
}