commands/ip: Add

Author: rajivr

commands/ip.go

@@ -0,0 +1,7 @@
+package commands
+
+import "github.com/docker/machine/libmachine"
+
+func cmdIP(c CommandLine, api libmachine.API) error {
+	return runAction("ip", c, api)
+}

commands/ip_test.go

@@ -0,0 +1,79 @@
+package commands
+
+import (
+	"testing"
+
+	"github.com/docker/machine/commands/commandstest"
+	"github.com/docker/machine/drivers/fakedriver"
+	"github.com/docker/machine/libmachine"
+	"github.com/docker/machine/libmachine/host"
+	"github.com/docker/machine/libmachine/libmachinetest"
+	"github.com/docker/machine/libmachine/state"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCmdIPMissingMachineName(t *testing.T) {
+	commandLine := &commandstest.FakeCommandLine{}
+	api := &libmachinetest.FakeAPI{}
+
+	err := cmdURL(commandLine, api)
+
+	assert.Equal(t, err, ErrNoDefault)
+}
+
+func TestCmdIP(t *testing.T) {
+	testCases := []struct {
+		commandLine CommandLine
+		api         libmachine.API
+		expectedErr error
+		expectedOut string
+	}{
+		{
+			commandLine: &commandstest.FakeCommandLine{
+				CliArgs: []string{"machine"},
+			},
+			api: &libmachinetest.FakeAPI{
+				Hosts: []*host.Host{
+					{
+						Name: "machine",
+						Driver: &fakedriver.Driver{
+							MockState: state.Running,
+							MockIP:    "1.2.3.4",
+						},
+					},
+				},
+			},
+			expectedErr: nil,
+			expectedOut: "1.2.3.4\n",
+		},
+		{
+			commandLine: &commandstest.FakeCommandLine{
+				CliArgs: []string{},
+			},
+			api: &libmachinetest.FakeAPI{
+				Hosts: []*host.Host{
+					{
+						Name: "default",
+						Driver: &fakedriver.Driver{
+							MockState: state.Running,
+							MockIP:    "1.2.3.4",
+						},
+					},
+				},
+			},
+			expectedErr: nil,
+			expectedOut: "1.2.3.4\n",
+		},
+	}
+
+	for _, tc := range testCases {
+		stdoutGetter := commandstest.NewStdoutGetter()
+
+		err := cmdIP(tc.commandLine, tc.api)
+
+		assert.Equal(t, tc.expectedErr, err)
+		assert.Equal(t, tc.expectedOut, stdoutGetter.Output())
+
+		stdoutGetter.Stop()
+	}
+}