func (s *MySuite) TestStore(c *check.C) { var err error store := ipamStore{} store.ServiceStore = &store storeConfig := make(map[string]interface{}) storeConfig["type"] = "sqlite3" storeConfig["database"] = s.RomanaTestSuite.GetMockSqliteFile("ipam") err = store.SetConfig(storeConfig) c.Assert(err, check.IsNil) cidr := "10.0.0.0/8" ip, _, _ := net.ParseCIDR(cidr) dc := common.Datacenter{Cidr: cidr, IpVersion: 4, Prefix: common.IPv4ToInt(ip), PrefixBits: 8, PortBits: 8, TenantBits: 4, SegmentBits: 4} _, network, _ := net.ParseCIDR("10.1.0.0/16") hostIpInt := common.IPv4ToInt(network.IP) segmentBitShift := uint64(8) tenantBitShift := uint64(segmentBitShift + 4) upToEndpointIpInt := hostIpInt | (1 << tenantBitShift) | (1 << segmentBitShift) // 253 // 127 // 63 // 31 for _, stride := range []uint{0, 1, 2, 4} { // for _, stride := range []uint{0} { err = store.CreateSchema(true) if err != nil { panic(err) } err = store.Connect() if err != nil { panic(err) } dc.EndpointSpaceBits = stride dc.EndpointBits = 8 - stride endpoint := &Endpoint{Id: 0, EffectiveNetworkID: 0, HostId: "X", SegmentID: "X", TenantID: "X"} i := uint(1) firstIp := "" var upperBound uint switch stride { case 0: upperBound = 253 case 1: upperBound = 127 case 2: upperBound = 64 case 4: upperBound = 16 } log.Printf("For %d/%d go until 1= %d", dc.EndpointBits, stride, upperBound) for i = 1; i <= uint(upperBound); i++ { endpoint.Id = 0 msg := fmt.Sprintf("For stride %d, endpoint bits %d, try %d\n", stride, dc.EndpointBits, i) log.Println(msg) err = store.addEndpoint(endpoint, upToEndpointIpInt, dc) if err != nil { c.Error(fmt.Sprintf("Unexpected error on try %d: %v", i, err)) c.FailNow() } log.Printf("%s: Got IP: %s (effective network ID %d)", msg, endpoint.Ip, endpoint.EffectiveNetworkID) if firstIp == "" { firstIp = endpoint.Ip } } // Here we have reached the end... endpoint.Id = 0 err = store.addEndpoint(endpoint, upToEndpointIpInt, dc) if err == nil { c.Error(fmt.Sprintf("Expected error, but got %+v", endpoint)) c.FailNow() } endpoint.Id = 0 _, err = store.deleteEndpoint(firstIp) if err != nil { c.Error(fmt.Sprintf("Unexpected error on try %d: %v", i, err)) c.FailNow() } endpoint.Id = 0 err = store.addEndpoint(endpoint, upToEndpointIpInt, dc) if err != nil { c.Error(fmt.Sprintf("Unexpected error on try %d: %v", i, err)) c.Fail() } c.Assert(endpoint.Ip, check.Equals, firstIp) if c.Failed() { return } endpoint.Id = 0 err = store.addEndpoint(endpoint, upToEndpointIpInt, dc) if err == nil { c.Error(fmt.Sprintf("Expected error, but got %+v", endpoint)) c.FailNow() } } }