Updated varlink vendored code

Signed-off-by: baude <bbaude@redhat.com>

Closes: #670
Approved by: mheon
This commit is contained in:
baude
2018-04-25 10:54:24 -05:00
committed by Atomic Bot
parent bef93de431
commit 22011b428c
14 changed files with 1127 additions and 1513 deletions

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@ -1,13 +0,0 @@
language: go
sudo: false
go:
- '1.9'
- 1.10.x
install:
- go get golang.org/x/tools/cmd/cover
- go get github.com/mattn/goveralls
script:
- '"$HOME/gopath/bin/goveralls" -show -service=travis-ci -repotoken "$COVERALLS_TOKEN"'
env:
global:
- secure: 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@ -1,3 +0,0 @@
all:
go test -v ./...
.PHONY: all

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@ -1,85 +0,0 @@
package main
import (
"strings"
"testing"
)
func expect(t *testing.T, expected string, returned string) {
if strings.Compare(returned, expected) != 0 {
t.Fatalf("Expected(%d): `%s`\nGot(%d): `%s`\n",
len(expected), expected,
len(returned), returned)
}
}
func TestIDLParser(t *testing.T) {
pkgname, b, err := generateTemplate(`
# Interface to jump a spacecraft to another point in space. The
# FTL Drive is the propulsion system to achieve faster-than-light
# travel through space. A ship making a properly calculated
# jump can arrive safely in planetary orbit, or alongside other
# ships or spaceborne objects.
interface org.example.ftl
# The current state of the FTL drive and the amount of fuel
# available to jump.
type DriveCondition (
state: (idle, spooling, busy),
booster: bool,
active_engines: [](id: int, state: bool),
tylium_level: int
)
# Speed, trajectory and jump duration is calculated prior to
# activating the FTL drive.
type DriveConfiguration (
speed: int,
trajectory: int,
duration: int
)
# The galactic coordinates use the Sun as the origin. Galactic
# longitude is measured with primary direction from the Sun to
# the center of the galaxy in the galactic plane, while the
# galactic latitude measures the angle of the object above the
# galactic plane.
type Coordinate (
longitude: float,
latitude: float,
distance: int
)
# Monitor the drive. The method will reply with an update whenever
# the drive's state changes
method Monitor() -> (condition: DriveCondition)
# Calculate the drive's jump parameters from the current
# position to the target position in the galaxy
method CalculateConfiguration(
current: Coordinate,
target: Coordinate
) -> (configuration: DriveConfiguration)
# Jump to the calculated point in space
method Jump(configuration: DriveConfiguration) -> ()
# There is not enough tylium to jump with the given parameters
error NotEnoughEnergy ()
# The supplied parameters are outside the supported range
error ParameterOutOfRange (field: string)
# some more coverage
method Foo(interface: string) -> (ret: (go: string, switch: bool, more: (t:bool, f:bool)))
`)
if err != nil {
t.Fatalf("Error parsing %v", err)
}
expect(t, "orgexampleftl", pkgname)
if len(b) <= 0 {
t.Fatal("No generated go source")
}
// FIXME: compare b.String() against expected output
}

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@ -1,294 +0,0 @@
package main
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"path"
"strings"
"github.com/varlink/go/varlink/idl"
)
var goKeywords = map[string]struct{}{
"break": {},
"case": {},
"chan": {},
"const": {},
"continue": {},
"default": {},
"defer": {},
"else": {},
"fallthrough": {},
"for": {},
"func": {},
"go": {},
"goto": {},
"if": {},
"import": {},
"interface": {},
"map": {},
"package": {},
"range": {},
"return": {},
"select": {},
"struct": {},
"switch": {},
"type": {},
"var": {},
}
func sanitizeGoName(name string) string {
if _, ok := goKeywords[name]; !ok {
return name
}
return name + "_"
}
func writeType(b *bytes.Buffer, t *idl.Type, json bool, ident int) {
switch t.Kind {
case idl.TypeBool:
b.WriteString("bool")
case idl.TypeInt:
b.WriteString("int64")
case idl.TypeFloat:
b.WriteString("float64")
case idl.TypeString, idl.TypeEnum:
b.WriteString("string")
case idl.TypeArray:
b.WriteString("[]")
writeType(b, t.ElementType, json, ident)
case idl.TypeMaybe:
b.WriteString("*")
writeType(b, t.ElementType, json, ident)
case idl.TypeAlias:
b.WriteString(t.Alias)
case idl.TypeStruct:
b.WriteString("struct{\n")
for _, field := range t.Fields {
for i := 0; i < ident+1; i++ {
b.WriteString("\t")
}
b.WriteString(strings.Title(field.Name) + " ")
writeType(b, field.Type, json, ident+1)
if json {
b.WriteString(" `json:\"" + field.Name + "\"`")
}
b.WriteString("\n")
}
for i := 0; i < ident; i++ {
b.WriteString("\t")
}
b.WriteString("}")
}
}
func generateTemplate(description string) (string, []byte, error) {
description = strings.TrimRight(description, "\n")
midl, err := idl.New(description)
if err != nil {
return "", nil, err
}
pkgname := strings.Replace(midl.Name, ".", "", -1)
var b bytes.Buffer
b.WriteString("// Generated with github.com/varlink/go/cmd/varlink-go-interface-generator\n")
b.WriteString("package " + pkgname + "\n\n")
b.WriteString(`import "github.com/varlink/go/varlink"` + "\n\n")
// Type declarations
for _, a := range midl.Aliases {
b.WriteString("type " + a.Name + " ")
writeType(&b, a.Type, true, 0)
b.WriteString("\n\n")
}
// Local interface with all methods
b.WriteString("type " + pkgname + "Interface interface {\n")
for _, m := range midl.Methods {
b.WriteString("\t" + m.Name + "(c VarlinkCall")
for _, field := range m.In.Fields {
b.WriteString(", " + strings.Title(field.Name) + " ")
writeType(&b, field.Type, false, 1)
}
b.WriteString(") error\n")
}
b.WriteString("}\n\n")
// Local object with all methods
b.WriteString("type VarlinkCall struct{ varlink.Call }\n\n")
// Reply methods for all varlink errors
for _, e := range midl.Errors {
b.WriteString("func (c *VarlinkCall) Reply" + e.Name + "(")
for i, field := range e.Type.Fields {
if i > 0 {
b.WriteString(", ")
}
b.WriteString(sanitizeGoName(field.Name) + " ")
writeType(&b, field.Type, false, 1)
}
b.WriteString(") error {\n")
if len(e.Type.Fields) > 0 {
b.WriteString("\tvar out ")
writeType(&b, e.Type, true, 1)
b.WriteString("\n")
for _, field := range e.Type.Fields {
switch field.Type.Kind {
case idl.TypeStruct, idl.TypeArray:
b.WriteString("\tout." + strings.Title(field.Name) + " = ")
writeType(&b, field.Type, true, 1)
b.WriteString("(" + sanitizeGoName(field.Name) + ")\n")
default:
b.WriteString("\tout." + strings.Title(field.Name) + " = " + sanitizeGoName(field.Name) + "\n")
}
}
b.WriteString("\treturn c.ReplyError(\"" + midl.Name + "." + e.Name + "\", &out)\n")
} else {
b.WriteString("\treturn c.ReplyError(\"" + midl.Name + "." + e.Name + "\", nil)\n")
}
b.WriteString("}\n\n")
}
// Reply methods for all varlink methods
for _, m := range midl.Methods {
b.WriteString("func (c *VarlinkCall) Reply" + m.Name + "(")
for i, field := range m.Out.Fields {
if i > 0 {
b.WriteString(", ")
}
b.WriteString(sanitizeGoName(field.Name) + " ")
writeType(&b, field.Type, false, 1)
}
b.WriteString(") error {\n")
if len(m.Out.Fields) > 0 {
b.WriteString("\tvar out ")
writeType(&b, m.Out, true, 1)
b.WriteString("\n")
for _, field := range m.Out.Fields {
switch field.Type.Kind {
case idl.TypeStruct, idl.TypeArray:
b.WriteString("\tout." + strings.Title(field.Name) + " = ")
writeType(&b, field.Type, true, 1)
b.WriteString("(" + sanitizeGoName(field.Name) + ")\n")
default:
b.WriteString("\tout." + strings.Title(field.Name) + " = " + sanitizeGoName(field.Name) + "\n")
}
}
b.WriteString("\treturn c.Reply(&out)\n")
} else {
b.WriteString("\treturn c.Reply(nil)\n")
}
b.WriteString("}\n\n")
}
// Dummy methods for all varlink methods
for _, m := range midl.Methods {
b.WriteString("func (s *VarlinkInterface) " + m.Name + "(c VarlinkCall")
for _, field := range m.In.Fields {
b.WriteString(", " + sanitizeGoName(field.Name) + " ")
writeType(&b, field.Type, false, 1)
}
b.WriteString(") error {\n" +
"\treturn c.ReplyMethodNotImplemented(\"" + m.Name + "\")\n" +
"}\n\n")
}
// Method call dispatcher
b.WriteString("func (s *VarlinkInterface) VarlinkDispatch(call varlink.Call, methodname string) error {\n" +
"\tswitch methodname {\n")
for _, m := range midl.Methods {
b.WriteString("\tcase \"" + m.Name + "\":\n")
if len(m.In.Fields) > 0 {
b.WriteString("\t\tvar in ")
writeType(&b, m.In, true, 2)
b.WriteString("\n")
b.WriteString("\t\terr := call.GetParameters(&in)\n" +
"\t\tif err != nil {\n" +
"\t\t\treturn call.ReplyInvalidParameter(\"parameters\")\n" +
"\t\t}\n")
b.WriteString("\t\treturn s." + pkgname + "Interface." + m.Name + "(VarlinkCall{call}")
if len(m.In.Fields) > 0 {
for _, field := range m.In.Fields {
switch field.Type.Kind {
case idl.TypeStruct, idl.TypeArray:
b.WriteString(", ")
writeType(&b, field.Type, false, 2)
b.WriteString("(in." + strings.Title(field.Name) + ")")
default:
b.WriteString(", in." + strings.Title(field.Name))
}
}
}
b.WriteString(")\n")
} else {
b.WriteString("\t\treturn s." + pkgname + "Interface." + m.Name + "(VarlinkCall{call})\n")
}
b.WriteString("\n")
}
b.WriteString("\tdefault:\n" +
"\t\treturn call.ReplyMethodNotFound(methodname)\n" +
"\t}\n" +
"}\n")
// Varlink interface name
b.WriteString("func (s *VarlinkInterface) VarlinkGetName() string {\n" +
"\treturn `" + midl.Name + "`\n" + "}\n\n")
// Varlink interface description
b.WriteString("func (s *VarlinkInterface) VarlinkGetDescription() string {\n" +
"\treturn `" + midl.Description + "\n`\n}\n\n")
b.WriteString("type VarlinkInterface struct {\n" +
"\t" + pkgname + "Interface\n" +
"}\n\n")
b.WriteString("func VarlinkNew(m " + pkgname + "Interface) *VarlinkInterface {\n" +
"\treturn &VarlinkInterface{m}\n" +
"}\n")
return pkgname, b.Bytes(), nil
}
func generateFile(varlinkFile string) {
file, err := ioutil.ReadFile(varlinkFile)
if err != nil {
fmt.Fprintf(os.Stderr, "Error reading file '%s': %s\n", varlinkFile, err)
os.Exit(1)
}
pkgname, b, err := generateTemplate(string(file))
if err != nil {
fmt.Fprintf(os.Stderr, "Error parsing file '%s': %s\n", varlinkFile, err)
os.Exit(1)
}
filename := path.Dir(varlinkFile) + "/" + pkgname + ".go"
err = ioutil.WriteFile(filename, b, 0660)
if err != nil {
fmt.Fprintf(os.Stderr, "Error writing file '%s': %s\n", filename, err)
os.Exit(1)
}
}
func main() {
if len(os.Args) != 2 {
fmt.Printf("Usage: %s <file>\n", os.Args[0])
os.Exit(1)
}
generateFile(os.Args[1])
}

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@ -1,142 +0,0 @@
package main
import (
"fmt"
"go/ast"
"go/importer"
"go/parser"
"go/token"
"go/types"
"log"
"os"
)
func GoToVarlinkType(t types.Type) string {
switch u := t.(type) {
case *types.Basic:
if u.Info()&types.IsBoolean != 0 {
return "bool"
}
if u.Info()&types.IsInteger != 0 {
return "int"
}
if u.Info()&types.IsFloat != 0 {
return "float"
}
if u.Info()&types.IsString != 0 {
return "string"
}
return fmt.Sprintf("<<<%s>>>", t.String())
case *types.Named:
return u.Obj().Name()
case *types.Map:
return fmt.Sprintf("<<<%s>>>", u.String())
case *types.Interface:
return fmt.Sprintf("<<<%s>>>", u.String())
case *types.Pointer:
return fmt.Sprintf("?%s", GoToVarlinkType(u.Elem()))
case *types.Array:
return fmt.Sprintf("[]%s", GoToVarlinkType(u.Elem()))
case *types.Slice:
return fmt.Sprintf("[]%s", GoToVarlinkType(u.Elem()))
default:
return fmt.Sprintf("<<<%T %s>>>", t, u)
}
return t.String()
}
func PrintDefsUses(name string, fset *token.FileSet, files []*ast.File) error {
conf := types.Config{
Importer: importer.Default(),
FakeImportC: true,
}
info := &types.Info{
Defs: make(map[*ast.Ident]types.Object),
}
_, err := conf.Check(name, fset, files, info)
if err != nil {
return err // type error
}
seen := map[string]interface{}{}
for id, obj := range info.Defs {
if obj == nil {
continue
}
if _, ok := seen[id.Name]; ok {
continue
}
/*
if !obj.Exported() || obj.Pkg().Name() != name {
continue
}
*/
switch f := obj.Type().Underlying().(type) {
case *types.Struct:
if f.NumFields() > 0 {
fmt.Printf("type %s (\n", id.Name)
fmt.Printf("\t%s: %s",
f.Field(0).Name(), GoToVarlinkType(f.Field(0).Type()))
for i := 1; i < f.NumFields(); i++ {
fmt.Printf(",\n\t%s: %s",
f.Field(i).Name(), GoToVarlinkType(f.Field(i).Type()))
}
fmt.Printf("\n)\n\n")
}
}
seen[id.Name] = nil
}
return nil
}
func main() {
path := os.Args[1]
fs := token.NewFileSet()
if stat, err := os.Stat(path); err == nil && stat.IsDir() {
pkgs, err := parser.ParseDir(fs, path, nil, 0)
if err != nil {
fmt.Printf("parsing dir '%s': %s", path, err)
}
for name, pkg := range pkgs {
log.Println("Found package:", name)
fset := make([]*ast.File, len(pkg.Files), len(pkg.Files))
idx := 0
for _, value := range pkg.Files {
fset[idx] = value
idx++
}
if err := PrintDefsUses(name, fs, fset); err != nil {
log.Print(err) // type error
}
}
} else {
fset, err := parser.ParseFile(fs, path, nil, 0)
if err != nil {
fmt.Printf("parsing file '%s': %s", path, err)
}
name := fset.Name.String()
if err := PrintDefsUses(name, fs, []*ast.File{fset}); err != nil {
log.Print(err) // type error
}
}
}

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@ -1,44 +0,0 @@
%global goipath github.com/varlink/go
Version: 0
%gometa
Name: %{goname}
Release: 1%{?dist}
Summary: Go bindings for varlink
License: ASL 2.0
URL: %{gourl}
Source0: %{gosource}
%description
Native Go bindings for the varlink protocol.
%package devel
Summary: %{summary}
BuildArch: noarch
%description devel
%{summary}
This package contains library source intended for
building other packages which use import path with
%{gobaseipath} prefix.
%prep
%forgesetup
%build
%gobuildroot
%install
gofiles=$(find . %{gofindfilter} -print)
%goinstall $gofiles
%check
%files devel -f devel.file-list
%license LICENSE
%doc README.md
%changelog
* Tue Mar 20 2018 <info@varlink.org> 0-1
- Version 0

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@ -27,17 +27,26 @@ type Connection struct {
}
// Send sends a method call.
func (c *Connection) Send(method string, parameters interface{}, more bool) error {
func (c *Connection) Send(method string, parameters interface{}, more bool, oneway bool) error {
type call struct {
Method string `json:"method"`
Parameters interface{} `json:"parameters,omitempty"`
More bool `json:"more,omitempty"`
OneShot bool `json:"oneshot,omitempty"`
Oneway bool `json:"oneway,omitempty"`
}
if more && oneway {
return &Error{
Name: "org.varlink.InvalidParameter",
Parameters: "oneway",
}
}
m := call{
Method: method,
Parameters: parameters,
More: more,
Oneway: oneway,
}
b, err := json.Marshal(m)
if err != nil {
@ -54,53 +63,47 @@ func (c *Connection) Send(method string, parameters interface{}, more bool) erro
}
// Receive receives a method reply.
func (c *Connection) Receive(parameters interface{}, continues *bool, oneshot *bool) error {
func (c *Connection) Receive(parameters interface{}) (bool, error) {
type reply struct {
Parameters *json.RawMessage `json:"parameters"`
Continues bool `json:"continues"`
Oneshot bool `json:"oneshot"`
Error string `json:"error"`
}
out, err := c.reader.ReadBytes('\x00')
if err != nil {
return err
return false, err
}
var m reply
err = json.Unmarshal(out[:len(out)-1], &m)
if err != nil {
return err
return false, err
}
if m.Error != "" {
return &Error{
return false, &Error{
Name: m.Error,
Parameters: m.Parameters,
}
}
if continues != nil {
*continues = m.Continues
}
if oneshot != nil {
*oneshot = m.Oneshot
}
if parameters != nil && m.Parameters != nil {
return json.Unmarshal(*m.Parameters, parameters)
return m.Continues, json.Unmarshal(*m.Parameters, parameters)
}
return nil
return m.Continues, nil
}
// Call sends a method call and returns the result of the call.
func (c *Connection) Call(method string, parameters interface{}, result interface{}) error {
err := c.Send(method, &parameters, false)
err := c.Send(method, &parameters, false, false)
if err != nil {
return err
}
return c.Receive(result, nil, nil)
_, err = c.Receive(result)
return err
}
// GetInterfaceDescription requests the interface description string from the service.

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@ -1,144 +0,0 @@
package varlink_test
// test with no internal access
import (
"github.com/varlink/go/varlink"
"os"
"testing"
"time"
)
type VarlinkInterface struct{}
func (s *VarlinkInterface) VarlinkDispatch(call varlink.Call, methodname string) error {
return call.ReplyMethodNotImplemented(methodname)
}
func (s *VarlinkInterface) VarlinkGetName() string {
return `org.example.test`
}
func (s *VarlinkInterface) VarlinkGetDescription() string {
return "#"
}
type VarlinkInterface2 struct{}
func (s *VarlinkInterface2) VarlinkDispatch(call varlink.Call, methodname string) error {
return call.ReplyMethodNotImplemented(methodname)
}
func (s *VarlinkInterface2) VarlinkGetName() string {
return `org.example.test2`
}
func (s *VarlinkInterface2) VarlinkGetDescription() string {
return "#"
}
func TestRegisterService(t *testing.T) {
newTestInterface := new(VarlinkInterface)
service, err := varlink.NewService(
"Varlink",
"Varlink Test",
"1",
"https://github.com/varlink/go/varlink",
)
if err != nil {
t.Fatalf("NewService(): %v", err)
}
if err := service.RegisterInterface(newTestInterface); err != nil {
t.Fatalf("Couldn't register service: %v", err)
}
if err := service.RegisterInterface(newTestInterface); err == nil {
t.Fatal("Could register service twice")
}
defer func() { service.Shutdown() }()
servererror := make(chan error)
go func() {
servererror <- service.Listen("unix:@varlinkexternal_TestRegisterService", 0)
}()
time.Sleep(time.Second / 5)
n := new(VarlinkInterface2)
if err := service.RegisterInterface(n); err == nil {
t.Fatal("Could register service while running")
}
time.Sleep(time.Second / 5)
service.Shutdown()
if err := <-servererror; err != nil {
t.Fatalf("service.Listen(): %v", err)
}
}
func TestUnix(t *testing.T) {
newTestInterface := new(VarlinkInterface)
service, err := varlink.NewService(
"Varlink",
"Varlink Test",
"1",
"https://github.com/varlink/go/varlink",
)
if err != nil {
t.Fatalf("NewService(): %v", err)
}
if err := service.RegisterInterface(newTestInterface); err != nil {
t.Fatalf("RegisterInterface(): %v", err)
}
servererror := make(chan error)
go func() {
servererror <- service.Listen("unix:varlinkexternal_TestUnix", 0)
}()
time.Sleep(time.Second / 5)
service.Shutdown()
if err := <-servererror; err != nil {
t.Fatalf("service.Listen(): %v", err)
}
}
func TestListenFDSNotInt(t *testing.T) {
newTestInterface := new(VarlinkInterface)
service, err := varlink.NewService(
"Varlink",
"Varlink Test",
"1",
"https://github.com/varlink/go/varlink",
)
if err != nil {
t.Fatalf("NewService(): %v", err)
}
if err := service.RegisterInterface(newTestInterface); err != nil {
t.Fatalf("Couldn't register service: %v", err)
}
os.Setenv("LISTEN_FDS", "foo")
servererror := make(chan error)
go func() {
servererror <- service.Listen("unix:varlinkexternal_TestListenFDSNotInt", 0)
}()
time.Sleep(time.Second / 5)
service.Shutdown()
err = <-servererror
if err != nil {
t.Fatalf("service.Run(): %v", err)
}
}

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@ -13,8 +13,10 @@ const (
TypeInt
TypeFloat
TypeString
TypeObject
TypeArray
TypeMaybe
TypeMap
TypeStruct
TypeEnum
TypeAlias
@ -277,9 +279,25 @@ func (p *parser) readType() *Type {
if e == nil {
return nil
}
if e.Kind == TypeMaybe {
return nil
}
t = &Type{Kind: TypeMaybe, ElementType: e}
case '[':
var kind TypeKind
switch p.readKeyword() {
case "string":
kind = TypeMap
case "":
kind = TypeArray
default:
return nil
}
if p.next() != ']' {
return nil
}
@ -287,7 +305,7 @@ func (p *parser) readType() *Type {
if e == nil {
return nil
}
t = &Type{Kind: TypeArray, ElementType: e}
t = &Type{Kind: kind, ElementType: e}
default:
p.backup()
@ -304,6 +322,9 @@ func (p *parser) readType() *Type {
case "string":
t = &Type{Kind: TypeString}
case "object":
t = &Type{Kind: TypeObject}
}
} else if name := p.readTypeName(); name != "" {

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@ -1,127 +0,0 @@
package idl
import (
"fmt"
"runtime"
"testing"
)
/*
func expect(t *testing.T, expected string, returned string) {
if strings.Compare(returned, expected) != 0 {
t.Fatalf("Expected(%d): `%s`\nGot(%d): `%s`\n",
len(expected), expected,
len(returned), returned)
}
}
*/
func testParse(t *testing.T, pass bool, description string) {
_, _, line, _ := runtime.Caller(1)
t.Run(fmt.Sprintf("Line-%d", line), func(t *testing.T) {
midl, err := New(description)
if pass {
if err != nil {
t.Fatalf("generateTemplate(`%s`): %v", description, err)
}
if len(midl.Name) <= 0 {
t.Fatalf("generateTemplate(`%s`): returned no pkgname", description)
}
}
if !pass && (err == nil) {
t.Fatalf("generateTemplate(`%s`): did not fail", description)
}
})
}
func TestOneMethod(t *testing.T) {
testParse(t, true, "interface foo.bar\nmethod Foo()->()")
}
func TestOneMethodNoType(t *testing.T) {
testParse(t, false, "interface foo.bar\nmethod Foo()->(b:)")
}
func TestDomainNames(t *testing.T) {
testParse(t, true, "interface org.varlink.service\nmethod F()->()")
testParse(t, true, "interface com.example.0example\nmethod F()->()")
testParse(t, true, "interface com.example.example-dash\nmethod F()->()")
testParse(t, true, "interface xn--lgbbat1ad8j.example.algeria\nmethod F()->()")
testParse(t, false, "interface com.-example.leadinghyphen\nmethod F()->()")
testParse(t, false, "interface com.example-.danglinghyphen-\nmethod F()->()")
testParse(t, false, "interface Com.example.uppercase-toplevel\nmethod F()->()")
testParse(t, false, "interface Co9.example.number-toplevel\nmethod F()->()")
testParse(t, false, "interface 1om.example.number-toplevel\nmethod F()->()")
testParse(t, false, "interface com.Example\nmethod F()->()")
var name string
for i := 0; i < 255; i++ {
name += "a"
}
testParse(t, false, "interface com.example.toolong"+name+"\nmethod F()->()")
testParse(t, false, "interface xn--example.toolong"+name+"\nmethod F()->()")
}
func TestNoMethod(t *testing.T) {
testParse(t, false, `
interface org.varlink.service
type Interface (name: string, types: []Type, methods: []Method)
type Property (key: string, value: string)
`)
}
func TestTypeNoArgs(t *testing.T) {
testParse(t, true, "interface foo.bar\n type I ()\nmethod F()->()")
}
func TestTypeOneArg(t *testing.T) {
testParse(t, true, "interface foo.bar\n type I (b:bool)\nmethod F()->()")
}
func TestTypeOneArray(t *testing.T) {
testParse(t, true, "interface foo.bar\n type I (b:[]bool)\nmethod F()->()")
testParse(t, false, "interface foo.bar\n type I (b:bool[ ])\nmethod F()->()")
testParse(t, false, "interface foo.bar\n type I (b:bool[1])\nmethod F()->()")
testParse(t, false, "interface foo.bar\n type I (b:bool[ 1 ])\nmethod F()->()")
testParse(t, false, "interface foo.bar\n type I (b:bool[ 1 1 ])\nmethod F()->()")
}
func TestFieldnames(t *testing.T) {
testParse(t, false, "interface foo.bar\n type I (Test:[]bool)\nmethod F()->()")
testParse(t, false, "interface foo.bar\n type I (_test:[]bool)\nmethod F()->()")
testParse(t, false, "interface foo.bar\n type I (Äest:[]bool)\nmethod F()->()")
}
func TestNestedStructs(t *testing.T) {
testParse(t, true, "interface foo.bar\n type I ( b: [](foo: bool, bar: bool, baz: int) )\nmethod F()->()")
}
func TestEnum(t *testing.T) {
testParse(t, true, "interface foo.bar\n type I (b:(foo, bar, baz))\nmethod F()->()")
testParse(t, false, "interface foo.bar\n type I (foo, bar, baz : bool)\nmethod F()->()")
}
func TestIncomplete(t *testing.T) {
testParse(t, false, "interfacef foo.bar\nmethod F()->()")
testParse(t, false, "interface foo.bar\nmethod F()->()\ntype I (b: bool")
testParse(t, false, "interface foo.bar\nmethod F()->(")
testParse(t, false, "interface foo.bar\nmethod F(")
testParse(t, false, "interface foo.bar\nmethod ()->()")
testParse(t, false, "interface foo.bar\nmethod F->()\n")
testParse(t, false, "interface foo.bar\nmethod F()->\n")
testParse(t, false, "interface foo.bar\nmethod F()>()\n")
testParse(t, false, "interface foo.bar\nmethod F()->()\ntype (b: bool)")
testParse(t, false, "interface foo.bar\nmethod F()->()\nerror (b: bool)")
testParse(t, false, "interface foo.bar\nmethod F()->()\n dfghdrg")
}
func TestDuplicate(t *testing.T) {
testParse(t, false, `
interface foo.example
type Device()
type Device()
type T()
type T()
method F() -> ()
method F() -> ()
`)
}

View File

@ -152,10 +152,6 @@ func activationListener() net.Listener {
return nil
}
os.Unsetenv("LISTEN_PID")
os.Unsetenv("LISTEN_FDS")
os.Unsetenv("LISTEN_FDNAMES")
return listener
}

View File

@ -1,232 +0,0 @@
package varlink
// tests with access to internals
import (
"bufio"
"bytes"
"fmt"
"strings"
"testing"
)
func expect(t *testing.T, expected string, returned string) {
if strings.Compare(returned, expected) != 0 {
t.Fatalf("Expected(%d): `%s`\nGot(%d): `%s`\n",
len(expected), expected,
len(returned), strings.Replace(returned, "\000", "`+\"\\000\"+`", -1))
}
}
func TestService(t *testing.T) {
service, _ := NewService(
"Varlink",
"Varlink Test",
"1",
"https://github.com/varlink/go/varlink",
)
t.Run("ZeroMessage", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
if err := service.handleMessage(w, []byte{0}); err == nil {
t.Fatal("HandleMessage returned non-error")
}
})
t.Run("InvalidJson", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"foo.GetInterfaceDescription" fdgdfg}`)
if err := service.handleMessage(w, msg); err == nil {
t.Fatal("HandleMessage returned no error on invalid json")
}
})
t.Run("WrongInterface", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"foo.GetInterfaceDescription"}`)
if err := service.handleMessage(w, msg); err != nil {
t.Fatal("HandleMessage returned error on wrong interface")
}
expect(t, `{"parameters":{"interface":"foo"},"error":"org.varlink.service.InterfaceNotFound"}`+"\000",
b.String())
})
t.Run("InvalidMethod", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"InvalidMethod"}`)
if err := service.handleMessage(w, msg); err != nil {
t.Fatal("HandleMessage returned error on invalid method")
}
expect(t, `{"parameters":{"parameter":"method"},"error":"org.varlink.service.InvalidParameter"}`+"\000",
b.String())
})
t.Run("WrongMethod", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"org.varlink.service.WrongMethod"}`)
if err := service.handleMessage(w, msg); err != nil {
t.Fatal("HandleMessage returned error on wrong method")
}
expect(t, `{"parameters":{"method":"WrongMethod"},"error":"org.varlink.service.MethodNotFound"}`+"\000",
b.String())
})
t.Run("GetInterfaceDescriptionNullParameters", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"org.varlink.service.GetInterfaceDescription","parameters": null}`)
if err := service.handleMessage(w, msg); err != nil {
t.Fatalf("HandleMessage returned error: %v", err)
}
expect(t, `{"parameters":{"parameter":"parameters"},"error":"org.varlink.service.InvalidParameter"}`+"\000",
b.String())
})
t.Run("GetInterfaceDescriptionNoInterface", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"org.varlink.service.GetInterfaceDescription","parameters":{}}`)
if err := service.handleMessage(w, msg); err != nil {
t.Fatalf("HandleMessage returned error: %v", err)
}
expect(t, `{"parameters":{"parameter":"interface"},"error":"org.varlink.service.InvalidParameter"}`+"\000",
b.String())
})
t.Run("GetInterfaceDescriptionWrongInterface", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"org.varlink.service.GetInterfaceDescription","parameters":{"interface":"foo"}}`)
if err := service.handleMessage(w, msg); err != nil {
t.Fatalf("HandleMessage returned error: %v", err)
}
expect(t, `{"parameters":{"parameter":"interface"},"error":"org.varlink.service.InvalidParameter"}`+"\000",
b.String())
})
t.Run("GetInterfaceDescription", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"org.varlink.service.GetInterfaceDescription","parameters":{"interface":"org.varlink.service"}}`)
if err := service.handleMessage(w, msg); err != nil {
t.Fatalf("HandleMessage returned error: %v", err)
}
expect(t, `{"parameters":{"description":"# The Varlink Service Interface is provided by every varlink service. It\n# describes the service and the interfaces it implements.\ninterface org.varlink.service\n\n# Get a list of all the interfaces a service provides and information\n# about the implementation.\nmethod GetInfo() -\u003e (\n vendor: string,\n product: string,\n version: string,\n url: string,\n interfaces: []string\n)\n\n# Get the description of an interface that is implemented by this service.\nmethod GetInterfaceDescription(interface: string) -\u003e (description: string)\n\n# The requested interface was not found.\nerror InterfaceNotFound (interface: string)\n\n# The requested method was not found\nerror MethodNotFound (method: string)\n\n# The interface defines the requested method, but the service does not\n# implement it.\nerror MethodNotImplemented (method: string)\n\n# One of the passed parameters is invalid.\nerror InvalidParameter (parameter: string)"}}`+"\000",
b.String())
})
t.Run("GetInfo", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"org.varlink.service.GetInfo"}`)
if err := service.handleMessage(w, msg); err != nil {
t.Fatalf("HandleMessage returned error: %v", err)
}
expect(t, `{"parameters":{"vendor":"Varlink","product":"Varlink Test","version":"1","url":"https://github.com/varlink/go/varlink","interfaces":["org.varlink.service"]}}`+"\000",
b.String())
})
}
type VarlinkInterface struct{}
func (s *VarlinkInterface) VarlinkDispatch(call Call, methodname string) error {
switch methodname {
case "Ping":
if !call.WantsMore() {
return fmt.Errorf("More flag not passed")
}
if call.IsOneShot() {
return fmt.Errorf("OneShot flag set")
}
call.Continues = true
if err := call.Reply(nil); err != nil {
return err
}
if err := call.Reply(nil); err != nil {
return err
}
call.Continues = false
if err := call.Reply(nil); err != nil {
return err
}
return nil
case "PingError":
return call.ReplyError("org.example.test.PingError", nil)
}
call.Continues = true
if err := call.Reply(nil); err == nil {
return fmt.Errorf("call.Reply did not fail for Continues/More mismatch")
}
call.Continues = false
if err := call.ReplyError("WrongName", nil); err == nil {
return fmt.Errorf("call.ReplyError accepted invalid error name")
}
if err := call.ReplyError("org.varlink.service.MethodNotImplemented", nil); err == nil {
return fmt.Errorf("call.ReplyError accepted org.varlink.service error")
}
return call.ReplyMethodNotImplemented(methodname)
}
func (s *VarlinkInterface) VarlinkGetName() string {
return `org.example.test`
}
func (s *VarlinkInterface) VarlinkGetDescription() string {
return "#"
}
func TestMoreService(t *testing.T) {
newTestInterface := new(VarlinkInterface)
service, _ := NewService(
"Varlink",
"Varlink Test",
"1",
"https://github.com/varlink/go/varlink",
)
if err := service.RegisterInterface(newTestInterface); err != nil {
t.Fatalf("Couldn't register service: %v", err)
}
t.Run("MethodNotImplemented", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"org.example.test.Pingf"}`)
if err := service.handleMessage(w, msg); err != nil {
t.Fatalf("HandleMessage returned error: %v", err)
}
expect(t, `{"parameters":{"method":"Pingf"},"error":"org.varlink.service.MethodNotImplemented"}`+"\000",
b.String())
})
t.Run("PingError", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"org.example.test.PingError", "more" : true}`)
if err := service.handleMessage(w, msg); err != nil {
t.Fatalf("HandleMessage returned error: %v", err)
}
expect(t, `{"error":"org.example.test.PingError"}`+"\000",
b.String())
})
t.Run("MoreTest", func(t *testing.T) {
var b bytes.Buffer
w := bufio.NewWriter(&b)
msg := []byte(`{"method":"org.example.test.Ping", "more" : true}`)
if err := service.handleMessage(w, msg); err != nil {
t.Fatalf("HandleMessage returned error: %v", err)
}
expect(t, `{"continues":true}`+"\000"+`{"continues":true}`+"\000"+`{}`+"\000",
b.String())
})
}