mirror of https://github.com/docker/docs.git
85 lines
2.5 KiB
Go
85 lines
2.5 KiB
Go
package virtualbox
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import (
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"net"
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"reflect"
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"testing"
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)
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// Tests that when we have a host only network which matches our expectations,
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// it gets returned correctly.
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func TestGetHostOnlyNetworkHappy(t *testing.T) {
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cidr := "192.168.99.0/24"
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ip, ipnet, err := net.ParseCIDR(cidr)
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if err != nil {
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t.Fatalf("Error parsing cidr: %s", err)
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}
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expectedHostOnlyNetwork := &hostOnlyNetwork{
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IPv4: *ipnet,
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}
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vboxNets := map[string]*hostOnlyNetwork{
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"HostInterfaceNetworking-vboxnet0": expectedHostOnlyNetwork,
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}
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n := getHostOnlyNetwork(vboxNets, ip, ipnet.Mask)
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if !reflect.DeepEqual(n, expectedHostOnlyNetwork) {
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t.Fatalf("Expected result of calling getHostOnlyNetwork to be the same as expected but it was not:\nexpected: %+v\nactual: %+v\n", expectedHostOnlyNetwork, n)
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}
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}
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// Tests that we are able to properly detect when a host only network which
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// matches our expectations can not be found.
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func TestGetHostOnlyNetworkNotFound(t *testing.T) {
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// Note that this has a different ip is different from "ip" below.
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cidr := "192.168.99.0/24"
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ip, ipnet, err := net.ParseCIDR(cidr)
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if err != nil {
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t.Fatalf("Error parsing cidr: %s", err)
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}
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ip = net.ParseIP("192.168.59.0").To4()
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// Suppose a vbox net is created, but it doesn't align with our
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// expectation.
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vboxNet := &hostOnlyNetwork{
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IPv4: *ipnet,
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}
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vboxNets := map[string]*hostOnlyNetwork{
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"HostInterfaceNetworking-vboxnet0": vboxNet,
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}
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n := getHostOnlyNetwork(vboxNets, ip, ipnet.Mask)
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if n != nil {
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t.Fatalf("Expected vbox net to be nil but it has a value: %+v\n", n)
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}
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}
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// Tests a special case where Virtualbox creates the host only network
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// successfully but mis-reports the netmask.
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func TestGetHostOnlyNetworkWindows10Bug(t *testing.T) {
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cidr := "192.168.99.0/24"
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ip, ipnet, err := net.ParseCIDR(cidr)
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if err != nil {
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t.Fatalf("Error parsing cidr: %s", err)
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}
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// This is a faulty netmask: a VirtualBox bug causes it to be
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// misreported.
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ipnet.Mask = net.IPMask(net.ParseIP("15.0.0.0").To4())
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expectedHostOnlyNetwork := &hostOnlyNetwork{
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IPv4: *ipnet,
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}
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vboxNets := map[string]*hostOnlyNetwork{
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"HostInterfaceNetworking-vboxnet0": expectedHostOnlyNetwork,
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}
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// The Mask that we are passing in will be the "legitimate" mask, so it
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// must differ from the magic buggy mask.
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n := getHostOnlyNetwork(vboxNets, ip, net.IPMask(net.ParseIP("255.255.255.0").To4()))
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if !reflect.DeepEqual(n, expectedHostOnlyNetwork) {
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t.Fatalf("Expected result of calling getHostOnlyNetwork to be the same as expected but it was not:\nexpected: %+v\nactual: %+v\n", expectedHostOnlyNetwork, n)
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}
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}
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