VictoriaMetrics/lib/flagutil/array_test.go
Aliaksandr Valialkin d7067c46d0
lib/flagutil: add defaultValue arg to NewArray{Int,Bytes,Duration} functions
The defaultValue is printed in the flag description when passing -help to the app.

This is a follow-up for aef31f201a

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/4776
2023-08-12 04:19:05 -07:00

404 lines
9.5 KiB
Go

package flagutil
import (
"flag"
"os"
"reflect"
"testing"
"time"
)
var (
fooFlagString ArrayString
fooFlagDuration ArrayDuration
fooFlagBool ArrayBool
fooFlagInt ArrayInt
fooFlagBytes ArrayBytes
)
func init() {
os.Args = append(os.Args, "-fooFlagString=foo", "-fooFlagString=bar")
os.Args = append(os.Args, "-fooFlagDuration=10s", "-fooFlagDuration=5m")
os.Args = append(os.Args, "-fooFlagBool=true", "-fooFlagBool=false,true", "-fooFlagBool")
os.Args = append(os.Args, "-fooFlagInt=1", "-fooFlagInt=2,3")
os.Args = append(os.Args, "-fooFlagBytes=10MB", "-fooFlagBytes=23,10kib")
flag.Var(&fooFlagString, "fooFlagString", "test")
flag.Var(&fooFlagDuration, "fooFlagDuration", "test")
flag.Var(&fooFlagBool, "fooFlagBool", "test")
flag.Var(&fooFlagInt, "fooFlagInt", "test")
flag.Var(&fooFlagBytes, "fooFlagBytes", "test")
}
func TestMain(m *testing.M) {
flag.Parse()
os.Exit(m.Run())
}
func TestArrayString(t *testing.T) {
expected := ArrayString{
"foo",
"bar",
}
if !reflect.DeepEqual(expected, fooFlagString) {
t.Fatalf("unexpected flag values; got\n%q\nwant\n%q", fooFlagString, expected)
}
}
func TestArrayString_Set(t *testing.T) {
f := func(s, expectedResult string) {
t.Helper()
var a ArrayString
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
result := a.String()
if result != expectedResult {
t.Fatalf("unexpected values parsed;\ngot\n%s\nwant\n%s", result, expectedResult)
}
}
// Zero args
f("", "")
// Single arg
f(`foo`, `foo`)
f(`fo"o`, `"fo\"o"`)
f(`fo'o`, `"fo'o"`)
f(`fo{o`, `"fo{o"`)
f(`fo[o`, `"fo[o"`)
f(`fo(o`, `"fo(o"`)
// Single arg with Prometheus label filters
f(`foo{bar="baz",x="y"}`, `"foo{bar=\"baz\",x=\"y\"}"`)
f(`foo{bar="ba}z",x="y"}`, `"foo{bar=\"ba}z\",x=\"y\"}"`)
f(`foo{bar='baz',x="y"}`, `"foo{bar='baz',x=\"y\"}"`)
f(`foo{bar='baz',x='y'}`, `"foo{bar='baz',x='y'}"`)
f(`foo{bar='ba}z',x='y'}`, `"foo{bar='ba}z',x='y'}"`)
f(`{foo="ba[r",baz='a'}`, `"{foo=\"ba[r\",baz='a'}"`)
// Single arg with JSON
f(`[1,2,3]`, `"[1,2,3]"`)
f(`{"foo":"ba,r",baz:x}`, `"{\"foo\":\"ba,r\",baz:x}"`)
// Single quoted arg
f(`"foo"`, `foo`)
f(`"fo,'o"`, `"fo,'o"`)
f(`"f\\o,\'\"o"`, `"f\\o,\\'\"o"`)
f(`"foo{bar='baz',x='y'}"`, `"foo{bar='baz',x='y'}"`)
f(`'foo'`, `foo`)
f(`'fo,"o'`, `"fo,\"o"`)
f(`'f\\o,\'\"o'`, `"f\\o,'\\\"o"`)
f(`'foo{bar="baz",x="y"}'`, `"foo{bar=\"baz\",x=\"y\"}"`)
// Multiple args
f(`foo,bar,baz`, `foo,bar,baz`)
f(`"foo",'bar',{[(ba'",z"`, `foo,bar,"{[(ba'\",z\""`)
f(`foo,b"'ar,"baz,d`, `foo,"b\"'ar,\"baz",d`)
f(`{foo="b,ar"},baz{x="y",z="d"}`, `"{foo=\"b,ar\"}","baz{x=\"y\",z=\"d\"}"`)
// Empty args
f(`""`, ``)
f(`''`, ``)
f(`,`, `,`)
f(`,foo,,ba"r,`, `,foo,,"ba\"r",`)
// Special chars inside double quotes
f(`"foo,b\nar"`, `"foo,b\nar"`)
f(`"foo\x23bar"`, "foo\x23bar")
}
func TestArrayString_GetOptionalArg(t *testing.T) {
f := func(s string, argIdx int, expectedValue string) {
t.Helper()
var a ArrayString
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
v := a.GetOptionalArg(argIdx)
if v != expectedValue {
t.Fatalf("unexpected value; got %q; want %q", v, expectedValue)
}
}
f("", 0, "")
f("", 1, "")
f("foo", 0, "foo")
f("foo", 23, "foo")
f("foo,bar", 0, "foo")
f("foo,bar", 1, "bar")
f("foo,bar", 2, "")
}
func TestArrayString_String(t *testing.T) {
f := func(s string) {
t.Helper()
var a ArrayString
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
result := a.String()
if result != s {
t.Fatalf("unexpected string;\ngot\n%s\nwant\n%s", result, s)
}
}
f("")
f("foo")
f("foo,bar")
f(",")
f(",foo,")
f(`", foo","b\"ar",`)
f(`,"\nfoo\\",bar`)
f(`"foo{bar=~\"baz\",a!=\"b\"}","{a='b,{[(c'}"`)
}
func TestArrayDuration(t *testing.T) {
expected := ArrayDuration{
a: []time.Duration{
time.Second * 10,
time.Minute * 5,
},
}
if !reflect.DeepEqual(expected, fooFlagDuration) {
t.Fatalf("unexpected flag values; got\n%s\nwant\n%s", &fooFlagDuration, &expected)
}
}
func TestArrayDuration_Set(t *testing.T) {
f := func(s, expectedResult string) {
t.Helper()
var a ArrayDuration
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
result := a.String()
if result != expectedResult {
t.Fatalf("unexpected values parsed;\ngot\n%q\nwant\n%q", result, expectedResult)
}
}
f("", "")
f(`1m`, `1m0s`)
f(`5m,1s,1h`, `5m0s,1s,1h0m0s`)
}
func TestArrayDuration_GetOptionalArg(t *testing.T) {
f := func(s string, argIdx int, defaultValue, expectedValue time.Duration) {
t.Helper()
var a ArrayDuration
a.defaultValue = defaultValue
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
v := a.GetOptionalArg(argIdx)
if v != expectedValue {
t.Fatalf("unexpected value; got %q; want %q", v, expectedValue)
}
}
f("", 0, time.Second, time.Second)
f("", 1, time.Minute, time.Minute)
f("10s,1m", 1, time.Minute, time.Minute)
f("10s", 3, time.Minute, time.Second*10)
}
func TestArrayDuration_String(t *testing.T) {
f := func(s string) {
t.Helper()
var a ArrayDuration
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
result := a.String()
if result != s {
t.Fatalf("unexpected string;\ngot\n%s\nwant\n%s", result, s)
}
}
f("")
f("10s,1m0s")
f("5m0s,1s")
}
func TestArrayBool(t *testing.T) {
expected := ArrayBool{
true, false, true, true,
}
if !reflect.DeepEqual(expected, fooFlagBool) {
t.Fatalf("unexpected flag values; got\n%v\nwant\n%v", fooFlagBool, expected)
}
}
func TestArrayBool_Set(t *testing.T) {
f := func(s, expectedResult string) {
t.Helper()
var a ArrayBool
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
result := a.String()
if result != expectedResult {
t.Fatalf("unexpected values parsed;\ngot\n%v\nwant\n%v", result, expectedResult)
}
}
f("", "")
f(`true`, `true`)
f(`false,True,False`, `false,true,false`)
}
func TestArrayBool_GetOptionalArg(t *testing.T) {
f := func(s string, argIdx int, expectedValue bool) {
t.Helper()
var a ArrayBool
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
v := a.GetOptionalArg(argIdx)
if v != expectedValue {
t.Fatalf("unexpected value; got %v; want %v", v, expectedValue)
}
}
f("", 0, false)
f("", 1, false)
f("true,true,false", 1, true)
f("true", 2, true)
}
func TestArrayBool_String(t *testing.T) {
f := func(s string) {
t.Helper()
var a ArrayBool
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
result := a.String()
if result != s {
t.Fatalf("unexpected string;\ngot\n%s\nwant\n%s", result, s)
}
}
f("")
f("true")
f("true,false")
f("false,true")
}
func TestArrayInt(t *testing.T) {
expected := ArrayInt{
a: []int{1, 2, 3},
}
if !reflect.DeepEqual(expected, fooFlagInt) {
t.Fatalf("unexpected flag values; got\n%d\nwant\n%d", fooFlagInt, expected)
}
}
func TestArrayInt_Set(t *testing.T) {
f := func(s, expectedResult string) {
t.Helper()
var a ArrayInt
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
result := a.String()
if result != expectedResult {
t.Fatalf("unexpected values parsed;\ngot\n%q\nwant\n%q", result, expectedResult)
}
}
f("", "")
f(`1`, `1`)
f(`-2,3,-64`, `-2,3,-64`)
}
func TestArrayInt_GetOptionalArg(t *testing.T) {
f := func(s string, argIdx, defaultValue, expectedValue int) {
t.Helper()
var a ArrayInt
a.defaultValue = defaultValue
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
v := a.GetOptionalArg(argIdx)
if v != expectedValue {
t.Fatalf("unexpected value; got %d; want %d", v, expectedValue)
}
}
f("", 0, 123, 123)
f("", 1, -34, -34)
f("10,1", 1, 234, 1)
f("10", 3, -34, 10)
}
func TestArrayInt_String(t *testing.T) {
f := func(s string) {
t.Helper()
var a ArrayInt
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
result := a.String()
if result != s {
t.Fatalf("unexpected string;\ngot\n%s\nwant\n%s", result, s)
}
}
f("")
f("10,1")
f("-5,1,123")
}
func TestArrayBytes(t *testing.T) {
expected := []int64{10000000, 23, 10240}
result := make([]int64, len(fooFlagBytes.a))
for i, b := range fooFlagBytes.a {
result[i] = b.N
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("unexpected flag values; got\n%d\nwant\n%d", result, expected)
}
}
func TestArrayBytes_Set(t *testing.T) {
f := func(s, expectedResult string) {
t.Helper()
var a ArrayBytes
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
result := a.String()
if result != expectedResult {
t.Fatalf("unexpected values parsed;\ngot\n%s\nwant\n%s", result, expectedResult)
}
}
f("", "")
f(`1`, `1`)
f(`-2,3,10kb`, `-2,3,10KB`)
}
func TestArrayBytes_GetOptionalArg(t *testing.T) {
f := func(s string, argIdx int, defaultValue, expectedValue int64) {
t.Helper()
var a ArrayBytes
a.defaultValue = defaultValue
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
v := a.GetOptionalArg(argIdx)
if v != expectedValue {
t.Fatalf("unexpected value; got %d; want %d", v, expectedValue)
}
}
f("", 0, 123, 123)
f("", 1, -34, -34)
f("10,1", 1, 234, 1)
f("10,1", 3, 234, 234)
f("10Kb", 3, -34, 10000)
}
func TestArrayBytes_String(t *testing.T) {
f := func(s string) {
t.Helper()
var a ArrayBytes
if err := a.Set(s); err != nil {
t.Fatalf("unexpected error: %s", err)
}
result := a.String()
if result != s {
t.Fatalf("unexpected string;\ngot\n%s\nwant\n%s", result, s)
}
}
f("")
f("10.5KiB,1")
f("-5,1,123MB")
}