Add somes tests to virtualbox driver

Signed-off-by: David Gageot <david@gageot.net>

drivers/virtualbox/disk_test.go

@@ -7,8 +7,8 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-var (
-	testDiskInfoText = `
+const (
+	validDiskInfoText = `
 storagecontrollerbootable0="on"
 "SATA-0-0"="/home/ehazlett/.boot2docker/boot2docker.iso"
 "SATA-IsEjected"="off"
@@ -22,7 +22,7 @@ nic1="nat"
 func TestVMDiskInfo(t *testing.T) {
 	vbox := &VBoxManagerMock{
 		args:   "showvminfo default --machinereadable",
-		stdOut: testDiskInfoText,
+		stdOut: validDiskInfoText,
 	}
 
 	disk, err := getVMDiskInfo("default", vbox)

drivers/virtualbox/network.go

@@ -75,9 +75,10 @@ func listHostOnlyNetworks(vbox VBoxManager) (map[string]*hostOnlyNetwork, error)
 		return nil, err
 	}
 
-	s := bufio.NewScanner(strings.NewReader(out))
 	m := map[string]*hostOnlyNetwork{}
 	n := &hostOnlyNetwork{}
+
+	s := bufio.NewScanner(strings.NewReader(out))
 	for s.Scan() {
 		line := s.Text()
 		if line == "" {
@@ -85,10 +86,12 @@ func listHostOnlyNetworks(vbox VBoxManager) (map[string]*hostOnlyNetwork, error)
 			n = &hostOnlyNetwork{}
 			continue
 		}
+
 		res := reColonLine.FindStringSubmatch(line)
 		if res == nil {
 			continue
 		}
+
 		switch key, val := res[1], res[2]; key {
 		case "Name":
 			n.Name = val
@@ -122,6 +125,7 @@ func listHostOnlyNetworks(vbox VBoxManager) (map[string]*hostOnlyNetwork, error)
 			n.NetworkName = val
 		}
 	}
+
 	if err := s.Err(); err != nil {
 		return nil, err
 	}

drivers/virtualbox/network_test.go

@@ -4,6 +4,8 @@ import (
 	"net"
 	"reflect"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
 // Tests that when we have a host only network which matches our expectations,
@@ -82,3 +84,91 @@ func TestGetHostOnlyNetworkWindows10Bug(t *testing.T) {
 		t.Fatalf("Expected result of calling getHostOnlyNetwork to be the same as expected but it was not:\nexpected: %+v\nactual: %+v\n", expectedHostOnlyNetwork, n)
 	}
 }
+
+func TestListHostOnlyNetworks(t *testing.T) {
+	vbox := &VBoxManagerMock{
+		args: "list hostonlyifs",
+		stdOut: `Name:            vboxnet0
+GUID:            786f6276-656e-4074-8000-0a0027000000
+DHCP:            Disabled
+IPAddress:       192.168.99.1
+NetworkMask:     255.255.255.0
+IPV6Address:
+IPV6NetworkMaskPrefixLength: 0
+HardwareAddress: 0a:00:27:00:00:00
+MediumType:      Ethernet
+Status:          Up
+VBoxNetworkName: HostInterfaceNetworking-vboxnet0
+
+`,
+	}
+
+	nets, err := listHostOnlyNetworks(vbox)
+
+	assert.Equal(t, 1, len(nets))
+	assert.NoError(t, err)
+
+	net, present := nets["HostInterfaceNetworking-vboxnet0"]
+
+	assert.True(t, present)
+	assert.Equal(t, "vboxnet0", net.Name)
+	assert.Equal(t, "786f6276-656e-4074-8000-0a0027000000", net.GUID)
+	assert.False(t, net.DHCP)
+	assert.Equal(t, "192.168.99.1", net.IPv4.IP.String())
+	assert.Equal(t, "ffffff00", net.IPv4.Mask.String())
+	assert.Empty(t, net.IPv6.IP)
+	assert.Equal(t, "0a:00:27:00:00:00", net.HwAddr.String())
+	assert.Equal(t, "Ethernet", net.Medium)
+	assert.Equal(t, "Up", net.Status)
+	assert.Equal(t, "HostInterfaceNetworking-vboxnet0", net.NetworkName)
+}
+
+func TestListTwoHostOnlyNetworks(t *testing.T) {
+	vbox := &VBoxManagerMock{
+		args: "list hostonlyifs",
+		stdOut: `Name:            vboxnet0
+GUID:            786f6276-656e-4074-8000-0a0027000000
+DHCP:            Disabled
+IPAddress:       192.168.99.1
+NetworkMask:     255.255.255.0
+IPV6Address:
+IPV6NetworkMaskPrefixLength: 0
+HardwareAddress: 0a:00:27:00:00:00
+MediumType:      Ethernet
+Status:          Up
+VBoxNetworkName: HostInterfaceNetworking-vboxnet0
+
+Name:            vboxnet1
+GUID:            786f6276-656e-4174-8000-0a0027000001
+DHCP:            Disabled
+IPAddress:       192.168.99.1
+NetworkMask:     255.255.255.0
+IPV6Address:
+IPV6NetworkMaskPrefixLength: 0
+HardwareAddress: 0a:00:27:00:00:01
+MediumType:      Ethernet
+Status:          Up
+VBoxNetworkName: HostInterfaceNetworking-vboxnet1
+
+`,
+	}
+
+	nets, err := listHostOnlyNetworks(vbox)
+
+	assert.Equal(t, 2, len(nets))
+	assert.NoError(t, err)
+
+	net, present := nets["HostInterfaceNetworking-vboxnet1"]
+
+	assert.True(t, present)
+	assert.Equal(t, "vboxnet1", net.Name)
+	assert.Equal(t, "786f6276-656e-4174-8000-0a0027000001", net.GUID)
+	assert.False(t, net.DHCP)
+	assert.Equal(t, "192.168.99.1", net.IPv4.IP.String())
+	assert.Equal(t, "ffffff00", net.IPv4.Mask.String())
+	assert.Empty(t, net.IPv6.IP)
+	assert.Equal(t, "0a:00:27:00:00:01", net.HwAddr.String())
+	assert.Equal(t, "Ethernet", net.Medium)
+	assert.Equal(t, "Up", net.Status)
+	assert.Equal(t, "HostInterfaceNetworking-vboxnet1", net.NetworkName)
+}