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// SPDX-License-Identifier: GPL-3.0-or-later
package dnsmasq_dhcp
import (
"os"
"testing"
"github.com/netdata/netdata/go/plugins/plugin/go.d/agent/module"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
dataConfigJSON, _ = os.ReadFile("testdata/config.json")
dataConfigYAML, _ = os.ReadFile("testdata/config.yaml")
)
const (
testLeasesPath = "testdata/dnsmasq.leases"
testConfPath = "testdata/dnsmasq.conf"
testConfDir = "testdata/dnsmasq.d"
)
func Test_testDataIsValid(t *testing.T) {
for name, data := range map[string][]byte{
"dataConfigJSON": dataConfigJSON,
"dataConfigYAML": dataConfigYAML,
} {
require.NotNil(t, data, name)
}
}
func TestDnsmasqDHCP_ConfigurationSerialize(t *testing.T) {
module.TestConfigurationSerialize(t, &DnsmasqDHCP{}, dataConfigJSON, dataConfigYAML)
}
func TestDnsmasqDHCP_Init(t *testing.T) {
job := New()
job.LeasesPath = testLeasesPath
job.ConfPath = testConfPath
job.ConfDir = testConfDir
assert.NoError(t, job.Init())
}
func TestDnsmasqDHCP_InitEmptyLeasesPath(t *testing.T) {
job := New()
job.LeasesPath = ""
assert.Error(t, job.Init())
}
func TestDnsmasqDHCP_InitInvalidLeasesPath(t *testing.T) {
job := New()
job.LeasesPath = testLeasesPath
job.LeasesPath += "!"
assert.Error(t, job.Init())
}
func TestDnsmasqDHCP_InitZeroDHCPRanges(t *testing.T) {
job := New()
job.LeasesPath = testLeasesPath
job.ConfPath = "testdata/dnsmasq3.conf"
job.ConfDir = ""
assert.NoError(t, job.Init())
}
func TestDnsmasqDHCP_Check(t *testing.T) {
job := New()
job.LeasesPath = testLeasesPath
job.ConfPath = testConfPath
job.ConfDir = testConfDir
require.NoError(t, job.Init())
assert.NoError(t, job.Check())
}
func TestDnsmasqDHCP_Charts(t *testing.T) {
job := New()
job.LeasesPath = testLeasesPath
job.ConfPath = testConfPath
job.ConfDir = testConfDir
require.NoError(t, job.Init())
assert.NotNil(t, job.Charts())
}
func TestDnsmasqDHCP_Cleanup(t *testing.T) {
assert.NotPanics(t, New().Cleanup)
}
func TestDnsmasqDHCP_Collect(t *testing.T) {
job := New()
job.LeasesPath = testLeasesPath
job.ConfPath = testConfPath
job.ConfDir = testConfDir
require.NoError(t, job.Init())
require.NoError(t, job.Check())
expected := map[string]int64{
"dhcp_range_1230::1-1230::64_allocated_leases": 7,
"dhcp_range_1230::1-1230::64_utilization": 7,
"dhcp_range_1231::1-1231::64_allocated_leases": 1,
"dhcp_range_1231::1-1231::64_utilization": 1,
"dhcp_range_1232::1-1232::64_allocated_leases": 1,
"dhcp_range_1232::1-1232::64_utilization": 1,
"dhcp_range_1233::1-1233::64_allocated_leases": 1,
"dhcp_range_1233::1-1233::64_utilization": 1,
"dhcp_range_1234::1-1234::64_allocated_leases": 1,
"dhcp_range_1234::1-1234::64_utilization": 1,
"dhcp_range_192.168.0.1-192.168.0.100_allocated_leases": 6,
"dhcp_range_192.168.0.1-192.168.0.100_utilization": 6,
"dhcp_range_192.168.1.1-192.168.1.100_allocated_leases": 5,
"dhcp_range_192.168.1.1-192.168.1.100_utilization": 5,
"dhcp_range_192.168.2.1-192.168.2.100_allocated_leases": 4,
"dhcp_range_192.168.2.1-192.168.2.100_utilization": 4,
"dhcp_range_192.168.200.1-192.168.200.100_allocated_leases": 1,
"dhcp_range_192.168.200.1-192.168.200.100_utilization": 1,
"dhcp_range_192.168.3.1-192.168.3.100_allocated_leases": 1,
"dhcp_range_192.168.3.1-192.168.3.100_utilization": 1,
"dhcp_range_192.168.4.1-192.168.4.100_allocated_leases": 1,
"dhcp_range_192.168.4.1-192.168.4.100_utilization": 1,
"ipv4_dhcp_hosts": 6,
"ipv4_dhcp_ranges": 6,
"ipv6_dhcp_hosts": 5,
"ipv6_dhcp_ranges": 5,
}
assert.Equal(t, expected, job.Collect())
}
func TestDnsmasqDHCP_CollectFailedToOpenLeasesPath(t *testing.T) {
job := New()
job.LeasesPath = testLeasesPath
job.ConfPath = testConfPath
job.ConfDir = testConfDir
require.NoError(t, job.Init())
require.NoError(t, job.Check())
job.LeasesPath = ""
assert.Nil(t, job.Collect())
}
func TestDnsmasqDHCP_parseDHCPRangeValue(t *testing.T) {
tests := map[string]struct {
input string
wantFail bool
}{
"ipv4": {
input: "192.168.0.50,192.168.0.150,12h",
},
"ipv4 with netmask": {
input: "192.168.0.50,192.168.0.150,255.255.255.0,12h",
},
"ipv4 with netmask and tag": {
input: "set:red,1.1.1.50,1.1.2.150, 255.255.252.0",
},
"ipv4 with iface": {
input: "enp3s0, 172.16.1.2, 172.16.1.254, 1h",
},
"ipv4 with iface 2": {
input: "enp2s0.100, 192.168.100.2, 192.168.100.254, 1h",
},
"ipv4 static": {
wantFail: true,
input: "192.168.0.0,static",
},
"ipv6": {
input: "1234::2,1234::500",
},
"ipv6 slacc": {
input: "1234::2,1234::500, slaac",
},
"ipv6 with with prefix length and lease time": {
input: "1234::2,1234::500, 64, 12h",
},
"ipv6 ra-only": {
wantFail: true,
input: "1234::,ra-only",
},
"ipv6 ra-names": {
wantFail: true,
input: "1234::,ra-names",
},
"ipv6 ra-stateless": {
wantFail: true,
input: "1234::,ra-stateless",
},
"invalid": {
wantFail: true,
input: "192.168.0.0",
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
v := parseDHCPRangeValue(test.input)
if test.wantFail {
assert.Emptyf(t, v, "parsing '%s' must fail", test.input)
} else {
assert.NotEmptyf(t, v, "parsing '%s' must not fail", test.input)
}
})
}
}
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