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telegraf/plugins/inputs/snmp/snmp_mocks_test.go

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Adjust snmp translation to return conversion info. Also consolidated the translation code to obtain all info with just 1 command execution. Also split test command mocks out to their own file for cleanliness.
2016-09-18 00:10:46 +00:00
package snmp
import (
"fmt"
"os"
"os/exec"
"strings"
"testing"
)
type mockedCommandResult struct {
stdout string
stderr string
exitError bool
}
func mockExecCommand(arg0 string, args ...string) *exec.Cmd {
args = append([]string{"-test.run=TestMockExecCommand", "--", arg0}, args...)
cmd := exec.Command(os.Args[0], args...)
cmd.Stderr = os.Stderr // so the test output shows errors
return cmd
}
// This is not a real test. This is just a way of mocking out commands.
//
// Idea based on https://github.com/golang/go/blob/7c31043/src/os/exec/exec_test.go#L568
func TestMockExecCommand(t *testing.T) {
var cmd []string
for _, arg := range os.Args {
if string(arg) == "--" {
cmd = []string{}
continue
}
if cmd == nil {
continue
}
cmd = append(cmd, string(arg))
}
if cmd == nil {
return
}
cmd0 := strings.Join(cmd, "\000")
mcr, ok := mockedCommandResults[cmd0]
if !ok {
cv := fmt.Sprintf("%#v", cmd)[8:] // trim `[]string` prefix
fmt.Fprintf(os.Stderr, "Unmocked command. Please add the following to `mockedCommands` in snmp_mocks_generate.go, and then run `go generate`:\n\t%s,\n", cv)
os.Exit(1)
}
fmt.Printf("%s", mcr.stdout)
fmt.Fprintf(os.Stderr, "%s", mcr.stderr)
if mcr.exitError {
os.Exit(1)
}
os.Exit(0)
}
func init() {
execCommand = mockExecCommand
}
// BEGIN GO GENERATE CONTENT
var mockedCommandResults = map[string]mockedCommandResult{
Enable gofmt code simplification (#4887)
2018-10-19 20:32:54 +00:00
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.0.0.0": {stdout: "TEST::testTable\ntestTable OBJECT-TYPE\n -- FROM\tTEST\n MAX-ACCESS\tnot-accessible\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) 0 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.0.0.1.1": {stdout: "TEST::hostname\nhostname OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) 1 1 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.0.0.1.2": {stdout: "TEST::1.2\nanonymous#1 OBJECT-TYPE\n -- FROM\tTEST\n::= { iso(1) 0 testOID(0) 1 2 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x001.0.0.1.1": {stdout: "TEST::hostname\nhostname OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) 1 1 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.0.0.0.1.1": {stdout: "TEST::server\nserver OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) 1 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.0.0.0.1.1.0": {stdout: "TEST::server.0\nserver OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) server(1) 0 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.0.0.0.1.5": {stdout: "TEST::testTableEntry.5\ntestTableEntry OBJECT-TYPE\n -- FROM\tTEST\n MAX-ACCESS\tnot-accessible\n STATUS\tcurrent\n INDEX\t\t{ server }\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) 5 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.1.2.3": {stdout: "iso.2.3\niso OBJECT-TYPE\n -- FROM\t#-1\n::= { iso(1) 2 3 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00.iso.2.3": {stdout: "iso.2.3\niso OBJECT-TYPE\n -- FROM\t#-1\n::= { iso(1) 2 3 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00-m\x00all\x00.999": {stdout: ".999\n [TRUNCATED]\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00TEST::server": {stdout: "TEST::server\nserver OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) 1 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00TEST::server.0": {stdout: "TEST::server.0\nserver OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) server(1) 0 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00TEST::testTable": {stdout: "TEST::testTable\ntestTable OBJECT-TYPE\n -- FROM\tTEST\n MAX-ACCESS\tnot-accessible\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) 0 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00TEST::connections": {stdout: "TEST::connections\nconnections OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tINTEGER\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) 2 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00TEST::latency": {stdout: "TEST::latency\nlatency OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) 3 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00TEST::description": {stdout: "TEST::description\ndescription OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) testTable(0) testTableEntry(1) 4 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00TEST::hostname": {stdout: "TEST::hostname\nhostname OBJECT-TYPE\n -- FROM\tTEST\n SYNTAX\tOCTET STRING\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n::= { iso(1) 0 testOID(0) 1 1 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00IF-MIB::ifPhysAddress.1": {stdout: "IF-MIB::ifPhysAddress.1\nifPhysAddress OBJECT-TYPE\n -- FROM\tIF-MIB\n -- TEXTUAL CONVENTION PhysAddress\n SYNTAX\tOCTET STRING\n DISPLAY-HINT\t\"1x:\"\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n DESCRIPTION\t\"The interface's address at its protocol sub-layer. For\n example, for an 802.x interface, this object normally\n contains a MAC address. The interface's media-specific MIB\n must define the bit and byte ordering and the format of the\n value of this object. For interfaces which do not have such\n an address (e.g., a serial line), this object should contain\n an octet string of zero length.\"\n::= { iso(1) org(3) dod(6) internet(1) mgmt(2) mib-2(1) interfaces(2) ifTable(2) ifEntry(1) ifPhysAddress(6) 1 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00BRIDGE-MIB::dot1dTpFdbAddress.1": {stdout: "BRIDGE-MIB::dot1dTpFdbAddress.1\ndot1dTpFdbAddress OBJECT-TYPE\n -- FROM\tBRIDGE-MIB\n -- TEXTUAL CONVENTION MacAddress\n SYNTAX\tOCTET STRING (6) \n DISPLAY-HINT\t\"1x:\"\n MAX-ACCESS\tread-only\n STATUS\tcurrent\n DESCRIPTION\t\"A unicast MAC address for which the bridge has\n forwarding and/or filtering information.\"\n::= { iso(1) org(3) dod(6) internet(1) mgmt(2) mib-2(1) dot1dBridge(17) dot1dTp(4) dot1dTpFdbTable(3) dot1dTpFdbEntry(1) dot1dTpFdbAddress(1) 1 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00-Ob\x00TCP-MIB::tcpConnectionLocalAddress.1": {stdout: "TCP-MIB::tcpConnectionLocalAddress.1\ntcpConnectionLocalAddress OBJECT-TYPE\n -- FROM\tTCP-MIB\n -- TEXTUAL CONVENTION InetAddress\n SYNTAX\tOCTET STRING (0..255) \n MAX-ACCESS\tnot-accessible\n STATUS\tcurrent\n DESCRIPTION\t\"The local IP address for this TCP connection. The type\n of this address is determined by the value of\n tcpConnectionLocalAddressType.\n\n As this object is used in the index for the\n tcpConnectionTable, implementors should be\n careful not to create entries that would result in OIDs\n with more than 128 subidentifiers; otherwise the information\n cannot be accessed by using SNMPv1, SNMPv2c, or SNMPv3.\"\n::= { iso(1) org(3) dod(6) internet(1) mgmt(2) mib-2(1) tcp(6) tcpConnectionTable(19) tcpConnectionEntry(1) tcpConnectionLocalAddress(2) 1 }\n", stderr: "", exitError: false},
"snmptranslate\x00-Td\x00TEST::testTable.1": {stdout: "TEST::testTableEntry\ntestTableEntry OBJECT-TYPE\n -- FROM\tTEST\n MAX-ACCESS\tnot-accessible\n STATUS\tcurrent\n INDEX\t\t{ server }\n::= { iso(1) 0 testOID(0) testTable(0) 1 }\n", stderr: "", exitError: false},
"snmptable\x00-Ch\x00-Cl\x00-c\x00public\x00127.0.0.1\x00TEST::testTable": {stdout: "server connections latency description \nTEST::testTable: No entries\n", stderr: "", exitError: false},
Adjust snmp translation to return conversion info. Also consolidated the translation code to obtain all info with just 1 command execution. Also split test command mocks out to their own file for cleanliness.
2016-09-18 00:10:46 +00:00
}