Update golang to 1.16.5, migrate to go modules

This commit is contained in:
Sergey Bogatyrets
2021-07-07 18:47:42 +03:00
parent c839f5c1e5
commit 45f9659532
630 changed files with 25 additions and 162902 deletions
-119
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@@ -1,119 +0,0 @@
package socks5
import (
"bytes"
"testing"
)
func TestNoAuth(t *testing.T) {
req := bytes.NewBuffer(nil)
req.Write([]byte{1, NoAuth})
var resp bytes.Buffer
s, _ := New(&Config{})
ctx, err := s.authenticate(&resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if ctx.Method != NoAuth {
t.Fatal("Invalid Context Method")
}
out := resp.Bytes()
if !bytes.Equal(out, []byte{socks5Version, NoAuth}) {
t.Fatalf("bad: %v", out)
}
}
func TestPasswordAuth_Valid(t *testing.T) {
req := bytes.NewBuffer(nil)
req.Write([]byte{2, NoAuth, UserPassAuth})
req.Write([]byte{1, 3, 'f', 'o', 'o', 3, 'b', 'a', 'r'})
var resp bytes.Buffer
cred := StaticCredentials{
"foo": "bar",
}
cator := UserPassAuthenticator{Credentials: cred}
s, _ := New(&Config{AuthMethods: []Authenticator{cator}})
ctx, err := s.authenticate(&resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if ctx.Method != UserPassAuth {
t.Fatal("Invalid Context Method")
}
val, ok := ctx.Payload["Username"]
if !ok {
t.Fatal("Missing key Username in auth context's payload")
}
if val != "foo" {
t.Fatal("Invalid Username in auth context's payload")
}
out := resp.Bytes()
if !bytes.Equal(out, []byte{socks5Version, UserPassAuth, 1, authSuccess}) {
t.Fatalf("bad: %v", out)
}
}
func TestPasswordAuth_Invalid(t *testing.T) {
req := bytes.NewBuffer(nil)
req.Write([]byte{2, NoAuth, UserPassAuth})
req.Write([]byte{1, 3, 'f', 'o', 'o', 3, 'b', 'a', 'z'})
var resp bytes.Buffer
cred := StaticCredentials{
"foo": "bar",
}
cator := UserPassAuthenticator{Credentials: cred}
s, _ := New(&Config{AuthMethods: []Authenticator{cator}})
ctx, err := s.authenticate(&resp, req)
if err != UserAuthFailed {
t.Fatalf("err: %v", err)
}
if ctx != nil {
t.Fatal("Invalid Context Method")
}
out := resp.Bytes()
if !bytes.Equal(out, []byte{socks5Version, UserPassAuth, 1, authFailure}) {
t.Fatalf("bad: %v", out)
}
}
func TestNoSupportedAuth(t *testing.T) {
req := bytes.NewBuffer(nil)
req.Write([]byte{1, NoAuth})
var resp bytes.Buffer
cred := StaticCredentials{
"foo": "bar",
}
cator := UserPassAuthenticator{Credentials: cred}
s, _ := New(&Config{AuthMethods: []Authenticator{cator}})
ctx, err := s.authenticate(&resp, req)
if err != NoSupportedAuth {
t.Fatalf("err: %v", err)
}
if ctx != nil {
t.Fatal("Invalid Context Method")
}
out := resp.Bytes()
if !bytes.Equal(out, []byte{socks5Version, noAcceptable}) {
t.Fatalf("bad: %v", out)
}
}
-24
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@@ -1,24 +0,0 @@
package socks5
import (
"testing"
)
func TestStaticCredentials(t *testing.T) {
creds := StaticCredentials{
"foo": "bar",
"baz": "",
}
if !creds.Valid("foo", "bar") {
t.Fatalf("expect valid")
}
if !creds.Valid("baz", "") {
t.Fatalf("expect valid")
}
if creds.Valid("foo", "") {
t.Fatalf("expect invalid")
}
}
-169
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@@ -1,169 +0,0 @@
package socks5
import (
"bytes"
"encoding/binary"
"io"
"log"
"net"
"os"
"strings"
"testing"
)
type MockConn struct {
buf bytes.Buffer
}
func (m *MockConn) Write(b []byte) (int, error) {
return m.buf.Write(b)
}
func (m *MockConn) RemoteAddr() net.Addr {
return &net.TCPAddr{IP: []byte{127, 0, 0, 1}, Port: 65432}
}
func TestRequest_Connect(t *testing.T) {
// Create a local listener
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatalf("err: %v", err)
}
go func() {
conn, err := l.Accept()
if err != nil {
t.Fatalf("err: %v", err)
}
defer conn.Close()
buf := make([]byte, 4)
if _, err := io.ReadAtLeast(conn, buf, 4); err != nil {
t.Fatalf("err: %v", err)
}
if !bytes.Equal(buf, []byte("ping")) {
t.Fatalf("bad: %v", buf)
}
conn.Write([]byte("pong"))
}()
lAddr := l.Addr().(*net.TCPAddr)
// Make server
s := &Server{config: &Config{
Rules: PermitAll(),
Resolver: DNSResolver{},
Logger: log.New(os.Stdout, "", log.LstdFlags),
}}
// Create the connect request
buf := bytes.NewBuffer(nil)
buf.Write([]byte{5, 1, 0, 1, 127, 0, 0, 1})
port := []byte{0, 0}
binary.BigEndian.PutUint16(port, uint16(lAddr.Port))
buf.Write(port)
// Send a ping
buf.Write([]byte("ping"))
// Handle the request
resp := &MockConn{}
req, err := NewRequest(buf)
if err != nil {
t.Fatalf("err: %v", err)
}
if err := s.handleRequest(req, resp); err != nil {
t.Fatalf("err: %v", err)
}
// Verify response
out := resp.buf.Bytes()
expected := []byte{
5,
0,
0,
1,
127, 0, 0, 1,
0, 0,
'p', 'o', 'n', 'g',
}
// Ignore the port for both
out[8] = 0
out[9] = 0
if !bytes.Equal(out, expected) {
t.Fatalf("bad: %v %v", out, expected)
}
}
func TestRequest_Connect_RuleFail(t *testing.T) {
// Create a local listener
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatalf("err: %v", err)
}
go func() {
conn, err := l.Accept()
if err != nil {
t.Fatalf("err: %v", err)
}
defer conn.Close()
buf := make([]byte, 4)
if _, err := io.ReadAtLeast(conn, buf, 4); err != nil {
t.Fatalf("err: %v", err)
}
if !bytes.Equal(buf, []byte("ping")) {
t.Fatalf("bad: %v", buf)
}
conn.Write([]byte("pong"))
}()
lAddr := l.Addr().(*net.TCPAddr)
// Make server
s := &Server{config: &Config{
Rules: PermitNone(),
Resolver: DNSResolver{},
Logger: log.New(os.Stdout, "", log.LstdFlags),
}}
// Create the connect request
buf := bytes.NewBuffer(nil)
buf.Write([]byte{5, 1, 0, 1, 127, 0, 0, 1})
port := []byte{0, 0}
binary.BigEndian.PutUint16(port, uint16(lAddr.Port))
buf.Write(port)
// Send a ping
buf.Write([]byte("ping"))
// Handle the request
resp := &MockConn{}
req, err := NewRequest(buf)
if err != nil {
t.Fatalf("err: %v", err)
}
if err := s.handleRequest(req, resp); !strings.Contains(err.Error(), "blocked by rules") {
t.Fatalf("err: %v", err)
}
// Verify response
out := resp.buf.Bytes()
expected := []byte{
5,
2,
0,
1,
0, 0, 0, 0,
0, 0,
}
if !bytes.Equal(out, expected) {
t.Fatalf("bad: %v %v", out, expected)
}
}
-21
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@@ -1,21 +0,0 @@
package socks5
import (
"testing"
"golang.org/x/net/context"
)
func TestDNSResolver(t *testing.T) {
d := DNSResolver{}
ctx := context.Background()
_, addr, err := d.Resolve(ctx, "localhost")
if err != nil {
t.Fatalf("err: %v", err)
}
if !addr.IsLoopback() {
t.Fatalf("expected loopback")
}
}
-24
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@@ -1,24 +0,0 @@
package socks5
import (
"testing"
"golang.org/x/net/context"
)
func TestPermitCommand(t *testing.T) {
ctx := context.Background()
r := &PermitCommand{true, false, false}
if _, ok := r.Allow(ctx, &Request{Command: ConnectCommand}); !ok {
t.Fatalf("expect connect")
}
if _, ok := r.Allow(ctx, &Request{Command: BindCommand}); ok {
t.Fatalf("do not expect bind")
}
if _, ok := r.Allow(ctx, &Request{Command: AssociateCommand}); ok {
t.Fatalf("do not expect associate")
}
}
-110
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@@ -1,110 +0,0 @@
package socks5
import (
"bytes"
"encoding/binary"
"io"
"log"
"net"
"os"
"testing"
"time"
)
func TestSOCKS5_Connect(t *testing.T) {
// Create a local listener
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatalf("err: %v", err)
}
go func() {
conn, err := l.Accept()
if err != nil {
t.Fatalf("err: %v", err)
}
defer conn.Close()
buf := make([]byte, 4)
if _, err := io.ReadAtLeast(conn, buf, 4); err != nil {
t.Fatalf("err: %v", err)
}
if !bytes.Equal(buf, []byte("ping")) {
t.Fatalf("bad: %v", buf)
}
conn.Write([]byte("pong"))
}()
lAddr := l.Addr().(*net.TCPAddr)
// Create a socks server
creds := StaticCredentials{
"foo": "bar",
}
cator := UserPassAuthenticator{Credentials: creds}
conf := &Config{
AuthMethods: []Authenticator{cator},
Logger: log.New(os.Stdout, "", log.LstdFlags),
}
serv, err := New(conf)
if err != nil {
t.Fatalf("err: %v", err)
}
// Start listening
go func() {
if err := serv.ListenAndServe("tcp", "127.0.0.1:12365"); err != nil {
t.Fatalf("err: %v", err)
}
}()
time.Sleep(10 * time.Millisecond)
// Get a local conn
conn, err := net.Dial("tcp", "127.0.0.1:12365")
if err != nil {
t.Fatalf("err: %v", err)
}
// Connect, auth and connec to local
req := bytes.NewBuffer(nil)
req.Write([]byte{5})
req.Write([]byte{2, NoAuth, UserPassAuth})
req.Write([]byte{1, 3, 'f', 'o', 'o', 3, 'b', 'a', 'r'})
req.Write([]byte{5, 1, 0, 1, 127, 0, 0, 1})
port := []byte{0, 0}
binary.BigEndian.PutUint16(port, uint16(lAddr.Port))
req.Write(port)
// Send a ping
req.Write([]byte("ping"))
// Send all the bytes
conn.Write(req.Bytes())
// Verify response
expected := []byte{
socks5Version, UserPassAuth,
1, authSuccess,
5,
0,
0,
1,
127, 0, 0, 1,
0, 0,
'p', 'o', 'n', 'g',
}
out := make([]byte, len(expected))
conn.SetDeadline(time.Now().Add(time.Second))
if _, err := io.ReadAtLeast(conn, out, len(out)); err != nil {
t.Fatalf("err: %v", err)
}
// Ignore the port
out[12] = 0
out[13] = 0
if !bytes.Equal(out, expected) {
t.Fatalf("bad: %v", out)
}
}
-550
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@@ -1,550 +0,0 @@
package env_test
import (
"errors"
"fmt"
"net/http"
"os"
"reflect"
"strconv"
"testing"
"time"
"github.com/caarlos0/env"
"github.com/stretchr/testify/assert"
)
type Config struct {
Some string `env:"somevar"`
Other bool `env:"othervar"`
Port int `env:"PORT"`
Int64Val int64 `env:"INT64VAL"`
UintVal uint `env:"UINTVAL"`
Uint64Val uint64 `env:"UINT64VAL"`
NotAnEnv string
DatabaseURL string `env:"DATABASE_URL" envDefault:"postgres://localhost:5432/db"`
Strings []string `env:"STRINGS"`
SepStrings []string `env:"SEPSTRINGS" envSeparator:":"`
Numbers []int `env:"NUMBERS"`
Numbers64 []int64 `env:"NUMBERS64"`
UNumbers64 []uint64 `env:"UNUMBERS64"`
Bools []bool `env:"BOOLS"`
Duration time.Duration `env:"DURATION"`
Float32 float32 `env:"FLOAT32"`
Float64 float64 `env:"FLOAT64"`
Float32s []float32 `env:"FLOAT32S"`
Float64s []float64 `env:"FLOAT64S"`
Durations []time.Duration `env:"DURATIONS"`
}
type ParentStruct struct {
InnerStruct *InnerStruct
unexported *InnerStruct
Ignored *http.Client
}
type InnerStruct struct {
Inner string `env:"innervar"`
Number uint `env:"innernum"`
}
func TestParsesEnv(t *testing.T) {
os.Setenv("somevar", "somevalue")
os.Setenv("othervar", "true")
os.Setenv("PORT", "8080")
os.Setenv("STRINGS", "string1,string2,string3")
os.Setenv("SEPSTRINGS", "string1:string2:string3")
os.Setenv("NUMBERS", "1,2,3,4")
os.Setenv("NUMBERS64", "1,2,2147483640,-2147483640")
os.Setenv("UNUMBERS64", "1,2,214748364011,9147483641")
os.Setenv("BOOLS", "t,TRUE,0,1")
os.Setenv("DURATION", "1s")
os.Setenv("FLOAT32", "3.40282346638528859811704183484516925440e+38")
os.Setenv("FLOAT64", "1.797693134862315708145274237317043567981e+308")
os.Setenv("FLOAT32S", "1.0,2.0,3.0")
os.Setenv("FLOAT64S", "1.0,2.0,3.0")
os.Setenv("UINTVAL", "44")
os.Setenv("UINT64VAL", "6464")
os.Setenv("INT64VAL", "-7575")
os.Setenv("DURATIONS", "1s,2s,3s")
defer os.Clearenv()
cfg := Config{}
assert.NoError(t, env.Parse(&cfg))
assert.Equal(t, "somevalue", cfg.Some)
assert.Equal(t, true, cfg.Other)
assert.Equal(t, 8080, cfg.Port)
assert.Equal(t, uint(44), cfg.UintVal)
assert.Equal(t, int64(-7575), cfg.Int64Val)
assert.Equal(t, uint64(6464), cfg.Uint64Val)
assert.Equal(t, []string{"string1", "string2", "string3"}, cfg.Strings)
assert.Equal(t, []string{"string1", "string2", "string3"}, cfg.SepStrings)
assert.Equal(t, []int{1, 2, 3, 4}, cfg.Numbers)
assert.Equal(t, []int64{1, 2, 2147483640, -2147483640}, cfg.Numbers64)
assert.Equal(t, []uint64{1, 2, 214748364011, 9147483641}, cfg.UNumbers64)
assert.Equal(t, []bool{true, true, false, true}, cfg.Bools)
d1, _ := time.ParseDuration("1s")
assert.Equal(t, d1, cfg.Duration)
f32 := float32(3.40282346638528859811704183484516925440e+38)
assert.Equal(t, f32, cfg.Float32)
f64 := float64(1.797693134862315708145274237317043567981e+308)
assert.Equal(t, f64, cfg.Float64)
assert.Equal(t, []float32{float32(1.0), float32(2.0), float32(3.0)}, cfg.Float32s)
assert.Equal(t, []float64{float64(1.0), float64(2.0), float64(3.0)}, cfg.Float64s)
d2, _ := time.ParseDuration("2s")
d3, _ := time.ParseDuration("3s")
assert.Equal(t, []time.Duration{d1, d2, d3}, cfg.Durations)
}
func TestParsesEnvInner(t *testing.T) {
os.Setenv("innervar", "someinnervalue")
defer os.Clearenv()
cfg := ParentStruct{
InnerStruct: &InnerStruct{},
unexported: &InnerStruct{},
}
assert.NoError(t, env.Parse(&cfg))
assert.Equal(t, "someinnervalue", cfg.InnerStruct.Inner)
}
func TestParsesEnvInnerNil(t *testing.T) {
os.Setenv("innervar", "someinnervalue")
defer os.Clearenv()
cfg := ParentStruct{}
assert.NoError(t, env.Parse(&cfg))
}
func TestParsesEnvInnerInvalid(t *testing.T) {
os.Setenv("innernum", "-547")
defer os.Clearenv()
cfg := ParentStruct{
InnerStruct: &InnerStruct{},
}
assert.Error(t, env.Parse(&cfg))
}
func TestEmptyVars(t *testing.T) {
cfg := Config{}
assert.NoError(t, env.Parse(&cfg))
assert.Equal(t, "", cfg.Some)
assert.Equal(t, false, cfg.Other)
assert.Equal(t, 0, cfg.Port)
assert.Equal(t, uint(0), cfg.UintVal)
assert.Equal(t, uint64(0), cfg.Uint64Val)
assert.Equal(t, int64(0), cfg.Int64Val)
assert.Equal(t, 0, len(cfg.Strings))
assert.Equal(t, 0, len(cfg.SepStrings))
assert.Equal(t, 0, len(cfg.Numbers))
assert.Equal(t, 0, len(cfg.Bools))
}
func TestPassAnInvalidPtr(t *testing.T) {
var thisShouldBreak int
assert.Error(t, env.Parse(&thisShouldBreak))
}
func TestPassReference(t *testing.T) {
cfg := Config{}
assert.Error(t, env.Parse(cfg))
}
func TestInvalidBool(t *testing.T) {
os.Setenv("othervar", "should-be-a-bool")
defer os.Clearenv()
cfg := Config{}
assert.Error(t, env.Parse(&cfg))
}
func TestInvalidInt(t *testing.T) {
os.Setenv("PORT", "should-be-an-int")
defer os.Clearenv()
cfg := Config{}
assert.Error(t, env.Parse(&cfg))
}
func TestInvalidUint(t *testing.T) {
os.Setenv("UINTVAL", "-44")
defer os.Clearenv()
cfg := Config{}
assert.Error(t, env.Parse(&cfg))
}
func TestInvalidFloat32(t *testing.T) {
os.Setenv("FLOAT32", "AAA")
defer os.Clearenv()
cfg := Config{}
assert.Error(t, env.Parse(&cfg))
}
func TestInvalidFloat64(t *testing.T) {
os.Setenv("FLOAT64", "AAA")
defer os.Clearenv()
cfg := Config{}
assert.Error(t, env.Parse(&cfg))
}
func TestInvalidUint64(t *testing.T) {
os.Setenv("UINT64VAL", "AAA")
defer os.Clearenv()
cfg := Config{}
assert.Error(t, env.Parse(&cfg))
}
func TestInvalidInt64(t *testing.T) {
os.Setenv("INT64VAL", "AAA")
defer os.Clearenv()
cfg := Config{}
assert.Error(t, env.Parse(&cfg))
}
func TestInvalidInt64Slice(t *testing.T) {
type config struct {
BadFloats []int64 `env:"BADINTS"`
}
os.Setenv("BADINTS", "A,2,3")
cfg := &config{}
assert.Error(t, env.Parse(cfg))
}
func TestInvalidUInt64Slice(t *testing.T) {
type config struct {
BadFloats []uint64 `env:"BADINTS"`
}
os.Setenv("BADFLOATS", "A,2,3")
cfg := &config{}
assert.Error(t, env.Parse(cfg))
}
func TestInvalidFloat32Slice(t *testing.T) {
type config struct {
BadFloats []float32 `env:"BADFLOATS"`
}
os.Setenv("BADFLOATS", "A,2.0,3.0")
cfg := &config{}
assert.Error(t, env.Parse(cfg))
}
func TestInvalidFloat64Slice(t *testing.T) {
type config struct {
BadFloats []float64 `env:"BADFLOATS"`
}
os.Setenv("BADFLOATS", "A,2.0,3.0")
cfg := &config{}
assert.Error(t, env.Parse(cfg))
}
func TestInvalidBoolsSlice(t *testing.T) {
type config struct {
BadBools []bool `env:"BADBOOLS"`
}
os.Setenv("BADBOOLS", "t,f,TRUE,faaaalse")
cfg := &config{}
assert.Error(t, env.Parse(cfg))
}
func TestInvalidDuration(t *testing.T) {
os.Setenv("DURATION", "should-be-a-valid-duration")
defer os.Clearenv()
cfg := Config{}
assert.Error(t, env.Parse(&cfg))
}
func TestInvalidDurations(t *testing.T) {
os.Setenv("DURATIONS", "1s,contains-an-invalid-duration,3s")
defer os.Clearenv()
cfg := Config{}
assert.Error(t, env.Parse(&cfg))
}
func TestParsesDefaultConfig(t *testing.T) {
cfg := Config{}
assert.NoError(t, env.Parse(&cfg))
assert.Equal(t, "postgres://localhost:5432/db", cfg.DatabaseURL)
}
func TestParseStructWithoutEnvTag(t *testing.T) {
cfg := Config{}
assert.NoError(t, env.Parse(&cfg))
assert.Empty(t, cfg.NotAnEnv)
}
func TestParseStructWithInvalidFieldKind(t *testing.T) {
type config struct {
WontWorkByte byte `env:"BLAH"`
}
os.Setenv("BLAH", "a")
cfg := config{}
assert.Error(t, env.Parse(&cfg))
}
func TestUnsupportedSliceType(t *testing.T) {
type config struct {
WontWork []map[int]int `env:"WONTWORK"`
}
os.Setenv("WONTWORK", "1,2,3")
defer os.Clearenv()
cfg := &config{}
assert.Error(t, env.Parse(cfg))
}
func TestBadSeparator(t *testing.T) {
type config struct {
WontWork []int `env:"WONTWORK" envSeparator:":"`
}
cfg := &config{}
os.Setenv("WONTWORK", "1,2,3,4")
defer os.Clearenv()
assert.Error(t, env.Parse(cfg))
}
func TestNoErrorRequiredSet(t *testing.T) {
type config struct {
IsRequired string `env:"IS_REQUIRED,required"`
}
cfg := &config{}
os.Setenv("IS_REQUIRED", "val")
defer os.Clearenv()
assert.NoError(t, env.Parse(cfg))
assert.Equal(t, "val", cfg.IsRequired)
}
func TestErrorRequiredNotSet(t *testing.T) {
type config struct {
IsRequired string `env:"IS_REQUIRED,required"`
}
cfg := &config{}
assert.Error(t, env.Parse(cfg))
}
func TestCustomParser(t *testing.T) {
type foo struct {
name string
}
type config struct {
Var foo `env:"VAR"`
}
os.Setenv("VAR", "test")
customParserFunc := func(v string) (interface{}, error) {
return foo{name: v}, nil
}
cfg := &config{}
err := env.ParseWithFuncs(cfg, map[reflect.Type]env.ParserFunc{
reflect.TypeOf(foo{}): customParserFunc,
})
assert.NoError(t, err)
assert.Equal(t, cfg.Var.name, "test")
}
func TestParseWithFuncsNoPtr(t *testing.T) {
type foo struct{}
err := env.ParseWithFuncs(foo{}, nil)
assert.Error(t, err)
assert.Equal(t, err, env.ErrNotAStructPtr)
}
func TestParseWithFuncsInvalidType(t *testing.T) {
var c int
err := env.ParseWithFuncs(&c, nil)
assert.Error(t, err)
assert.Equal(t, err, env.ErrNotAStructPtr)
}
func TestCustomParserError(t *testing.T) {
type foo struct {
name string
}
type config struct {
Var foo `env:"VAR"`
}
os.Setenv("VAR", "test")
customParserFunc := func(v string) (interface{}, error) {
return nil, errors.New("something broke")
}
cfg := &config{}
err := env.ParseWithFuncs(cfg, map[reflect.Type]env.ParserFunc{
reflect.TypeOf(foo{}): customParserFunc,
})
assert.Empty(t, cfg.Var.name, "Var.name should not be filled out when parse errors")
assert.Error(t, err)
assert.Equal(t, err.Error(), "Custom parser error: something broke")
}
func TestCustomParserBasicType(t *testing.T) {
type ConstT int32
type config struct {
Const ConstT `env:"CONST_VAL"`
}
exp := ConstT(123)
os.Setenv("CONST_VAL", fmt.Sprintf("%d", exp))
customParserFunc := func(v string) (interface{}, error) {
i, err := strconv.Atoi(v)
if err != nil {
return nil, err
}
r := ConstT(i)
return r, nil
}
cfg := &config{}
err := env.ParseWithFuncs(cfg, map[reflect.Type]env.ParserFunc{
reflect.TypeOf(ConstT(0)): customParserFunc,
})
assert.NoError(t, err)
assert.Equal(t, exp, cfg.Const)
}
func TypeCustomParserBasicInvalid(t *testing.T) {
type ConstT int32
type config struct {
Const ConstT `env:"CONST_VAL"`
}
os.Setenv("CONST_VAL", "foobar")
expErr := errors.New("Random error")
customParserFunc := func(_ string) (interface{}, error) {
return nil, expErr
}
cfg := &config{}
err := env.ParseWithFuncs(cfg, map[reflect.Type]env.ParserFunc{
reflect.TypeOf(ConstT(0)): customParserFunc,
})
assert.Empty(t, cfg.Const)
assert.Error(t, err)
assert.Equal(t, expErr, err)
}
func TestCustomParserBasicUnsupported(t *testing.T) {
type ConstT int32
type config struct {
Const ConstT `env:"CONST_VAL"`
}
exp := ConstT(123)
os.Setenv("CONST_VAL", fmt.Sprintf("%d", exp))
cfg := &config{}
err := env.Parse(cfg)
assert.Zero(t, cfg.Const)
assert.Error(t, err)
assert.Equal(t, env.ErrUnsupportedType, err)
}
func TestUnsupportedStructType(t *testing.T) {
type config struct {
Foo http.Client `env:"FOO"`
}
os.Setenv("FOO", "foo")
cfg := &config{}
err := env.Parse(cfg)
assert.Error(t, err)
assert.Equal(t, env.ErrUnsupportedType, err)
}
func TestEmptyOption(t *testing.T) {
type config struct {
Var string `env:"VAR,"`
}
cfg := &config{}
os.Setenv("VAR", "val")
defer os.Clearenv()
assert.NoError(t, env.Parse(cfg))
assert.Equal(t, "val", cfg.Var)
}
func TestErrorOptionNotRecognized(t *testing.T) {
type config struct {
Var string `env:"VAR,not_supported!"`
}
cfg := &config{}
assert.Error(t, env.Parse(cfg))
}
func ExampleParse() {
type config struct {
Home string `env:"HOME"`
Port int `env:"PORT" envDefault:"3000"`
IsProduction bool `env:"PRODUCTION"`
}
os.Setenv("HOME", "/tmp/fakehome")
cfg := config{}
env.Parse(&cfg)
fmt.Println(cfg)
// Output: {/tmp/fakehome 3000 false}
}
func ExampleParseRequiredField() {
type config struct {
Home string `env:"HOME"`
Port int `env:"PORT" envDefault:"3000"`
IsProduction bool `env:"PRODUCTION"`
SecretKey string `env:"SECRET_KEY,required"`
}
os.Setenv("HOME", "/tmp/fakehome")
cfg := config{}
err := env.Parse(&cfg)
fmt.Println(err)
// Output: Required environment variable SECRET_KEY is not set
}
func ExampleParseMultipleOptions() {
type config struct {
Home string `env:"HOME"`
Port int `env:"PORT" envDefault:"3000"`
IsProduction bool `env:"PRODUCTION"`
SecretKey string `env:"SECRET_KEY,required,option1"`
}
os.Setenv("HOME", "/tmp/fakehome")
cfg := config{}
err := env.Parse(&cfg)
fmt.Println(err)
// Output: Env tag option option1 not supported.
}
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@@ -1,48 +0,0 @@
package main
import (
"fmt"
"log"
"strings"
"time"
"github.com/caarlos0/env"
)
type config struct {
Home string `env:"HOME"`
Port int `env:"PORT" envDefault:"3000"`
IsProduction bool `env:"PRODUCTION"`
Hosts []string `env:"HOSTS" envSeparator:":"`
Duration time.Duration `env:"DURATION"`
ExampleFoo Foo `env:"EXAMPLE_FOO"`
}
type Foo struct {
Name string
}
func main() {
cfg := config{}
// Parse for built-in types
if err := env.Parse(&cfg); err != nil {
log.Fatal("Unable to parse envs: ", err)
}
// OR w/ a custom parser for `Foo`
//
// if err := env.ParseWithFuncs(&cfg, env.CustomParsers{
// reflect.TypeOf(Foo{}): fooParser,
// }); err != nil {
// log.Fatal("Unable to parse envs: ", err)
// }
fmt.Printf("%+v\n", cfg)
}
func fooParser(value string) (interface{}, error) {
return Foo{
Name: strings.ToUpper(value),
}, nil
}
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@@ -1,35 +0,0 @@
parsers
=======
This directory contains pre-built, custom parsers that can be used with `env.ParseWithFuncs`
to facilitate the parsing of envs that are not basic types.
Example Usage:
```golang
package main
import (
"fmt"
"log"
"net/url"
"github.com/caarlos0/env"
"github.com/caarlos0/env/parsers"
)
type config struct {
ExampleURL url.URL `env:"EXAMPLE_URL" envDefault:"https://google.com"`
}
func main() {
cfg := config{}
if err := env.ParseWithFuncs(&cfg, env.CustomParsers{
parsers.URLType: parsers.URLFunc,
}); err != nil {
log.Fatal("Unable to parse envs: ", err)
}
fmt.Printf("Scheme: %v Host: %v\n", cfg.ExampleURL.Scheme, cfg.ExampleURL.Host)
}
```
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@@ -1,23 +0,0 @@
// Package parsers contains custom parser funcs for common, non-built-in types
package parsers
import (
"fmt"
"net/url"
"reflect"
)
var (
// URLType is a helper var that represents the `reflect.Type`` of `url.URL`
URLType = reflect.TypeOf(url.URL{})
)
// URLFunc is a basic parser for the url.URL type that should be used with `env.ParseWithFuncs()`
func URLFunc(v string) (interface{}, error) {
u, err := url.Parse(v)
if err != nil {
return nil, fmt.Errorf("Unable to complete URL parse: %v", err)
}
return *u, nil
}