e8011d7872
ConfigLocalScopeDefaultNetworks is now dead code, thank goodness! Make sure it stays dead by deleting the function. Refactor package ipamutils to simplify things given its newly-reduced (ahem) scope. Signed-off-by: Cory Snider <csnider@mirantis.com>
103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
package ipamutils
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import (
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"net"
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"testing"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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)
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func initBroadPredefinedNetworks() []*net.IPNet {
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pl := make([]*net.IPNet, 0, 31)
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mask := []byte{255, 255, 0, 0}
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for i := 17; i < 32; i++ {
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pl = append(pl, &net.IPNet{IP: []byte{172, byte(i), 0, 0}, Mask: mask})
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}
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mask20 := []byte{255, 255, 240, 0}
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for i := 0; i < 16; i++ {
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pl = append(pl, &net.IPNet{IP: []byte{192, 168, byte(i << 4), 0}, Mask: mask20})
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}
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return pl
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}
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func initGranularPredefinedNetworks() []*net.IPNet {
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pl := make([]*net.IPNet, 0, 256*256)
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mask := []byte{255, 255, 255, 0}
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for i := 0; i < 256; i++ {
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for j := 0; j < 256; j++ {
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pl = append(pl, &net.IPNet{IP: []byte{10, byte(i), byte(j), 0}, Mask: mask})
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}
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}
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return pl
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}
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func initGlobalScopeNetworks() []*net.IPNet {
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pl := make([]*net.IPNet, 0, 256*256)
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mask := []byte{255, 255, 255, 0}
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for i := 0; i < 256; i++ {
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for j := 0; j < 256; j++ {
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pl = append(pl, &net.IPNet{IP: []byte{30, byte(i), byte(j), 0}, Mask: mask})
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}
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}
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return pl
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}
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func TestDefaultNetwork(t *testing.T) {
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for _, nw := range GetGlobalScopeDefaultNetworks() {
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if ones, bits := nw.Mask.Size(); bits != 32 || ones != 24 {
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t.Fatalf("Unexpected size for network in granular list: %v", nw)
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}
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}
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for _, nw := range GetLocalScopeDefaultNetworks() {
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if ones, bits := nw.Mask.Size(); bits != 32 || (ones != 20 && ones != 16) {
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t.Fatalf("Unexpected size for network in broad list: %v", nw)
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}
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}
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originalBroadNets := initBroadPredefinedNetworks()
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m := make(map[string]bool)
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for _, v := range originalBroadNets {
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m[v.String()] = true
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}
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for _, nw := range GetLocalScopeDefaultNetworks() {
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_, ok := m[nw.String()]
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assert.Check(t, ok)
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delete(m, nw.String())
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}
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assert.Check(t, is.Len(m, 0))
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originalGranularNets := initGranularPredefinedNetworks()
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m = make(map[string]bool)
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for _, v := range originalGranularNets {
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m[v.String()] = true
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}
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for _, nw := range GetGlobalScopeDefaultNetworks() {
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_, ok := m[nw.String()]
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assert.Check(t, ok)
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delete(m, nw.String())
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}
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assert.Check(t, is.Len(m, 0))
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}
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func TestConfigGlobalScopeDefaultNetworks(t *testing.T) {
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err := ConfigGlobalScopeDefaultNetworks([]*NetworkToSplit{{"30.0.0.0/8", 24}})
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assert.NilError(t, err)
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originalGlobalScopeNetworks := initGlobalScopeNetworks()
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m := make(map[string]bool)
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for _, v := range originalGlobalScopeNetworks {
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m[v.String()] = true
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}
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for _, nw := range GetGlobalScopeDefaultNetworks() {
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_, ok := m[nw.String()]
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assert.Check(t, ok)
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delete(m, nw.String())
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}
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assert.Check(t, is.Len(m, 0))
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}
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