1. docker
  2. Commit 149badc22b45acb171c3e583f6e820a06e4ced87
Browse code

Network tests

Andrea Luzzardi authored on 2013/02/22 11:34:35
Showing 1 changed files
network_test.go
History View file @ 149badc
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new file mode 100644
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+package docker
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+
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+import (
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+	"net"
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+	"testing"
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+)
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+
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+func TestNetworkRange(t *testing.T) {
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+	// Simple class C test
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+	_, network, _ := net.ParseCIDR("192.168.0.1/24")
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+	first, last := networkRange(network)
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+	if !first.Equal(net.ParseIP("192.168.0.0")) {
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+		t.Error(first.String())
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+	}
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+	if !last.Equal(net.ParseIP("192.168.0.255")) {
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+		t.Error(last.String())
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+	}
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+	if size, err := networkSize(network.Mask); err != nil || size != 256 {
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+		t.Error(size, err)
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+	}
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+
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+	// Class A test
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+	_, network, _ = net.ParseCIDR("10.0.0.1/8")
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+	first, last = networkRange(network)
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+	if !first.Equal(net.ParseIP("10.0.0.0")) {
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+		t.Error(first.String())
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+	}
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+	if !last.Equal(net.ParseIP("10.255.255.255")) {
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+		t.Error(last.String())
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+	}
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+	if size, err := networkSize(network.Mask); err != nil || size != 16777216 {
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+		t.Error(size, err)
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+	}
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+
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+	// Class A, random IP address
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+	_, network, _ = net.ParseCIDR("10.1.2.3/8")
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+	first, last = networkRange(network)
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+	if !first.Equal(net.ParseIP("10.0.0.0")) {
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+		t.Error(first.String())
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+	}
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+	if !last.Equal(net.ParseIP("10.255.255.255")) {
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+		t.Error(last.String())
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+	}
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+
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+	// 32bit mask
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+	_, network, _ = net.ParseCIDR("10.1.2.3/32")
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+	first, last = networkRange(network)
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+	if !first.Equal(net.ParseIP("10.1.2.3")) {
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+		t.Error(first.String())
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+	}
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+	if !last.Equal(net.ParseIP("10.1.2.3")) {
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+		t.Error(last.String())
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+	}
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+	if size, err := networkSize(network.Mask); err != nil || size != 1 {
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+		t.Error(size, err)
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+	}
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+
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+	// 31bit mask
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+	_, network, _ = net.ParseCIDR("10.1.2.3/31")
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+	first, last = networkRange(network)
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+	if !first.Equal(net.ParseIP("10.1.2.2")) {
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+		t.Error(first.String())
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+	}
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+	if !last.Equal(net.ParseIP("10.1.2.3")) {
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+		t.Error(last.String())
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+	}
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+	if size, err := networkSize(network.Mask); err != nil || size != 2 {
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+		t.Error(size, err)
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+	}
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+
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+	// 26bit mask
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+	_, network, _ = net.ParseCIDR("10.1.2.3/26")
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+	first, last = networkRange(network)
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+	if !first.Equal(net.ParseIP("10.1.2.0")) {
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+		t.Error(first.String())
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+	}
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+	if !last.Equal(net.ParseIP("10.1.2.63")) {
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+		t.Error(last.String())
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+	}
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+	if size, err := networkSize(network.Mask); err != nil || size != 64 {
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+		t.Error(size, err)
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+	}
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+}
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+
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+func TestConversion(t *testing.T) {
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+	ip := net.ParseIP("127.0.0.1")
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+	i, err := ipToInt(ip)
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+	if err != nil {
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+		t.Fatal(err)
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+	}
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+	if i == 0 {
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+		t.Fatal("converted to zero")
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+	}
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+	conv, err := intToIp(i)
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+	if err != nil {
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+		t.Fatal(err)
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+	}
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+	if !ip.Equal(conv) {
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+		t.Error(conv.String())
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+	}
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+}