/usr/share/gocode/src/github.com/cenk/rpc2/jsonrpc/jsonrpc_test.go is in golang-github-cenk-rpc2-dev 0.0~git20160427.0.7ab76d2e88c7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | package jsonrpc
import (
"github.com/cenk/rpc2"
"net"
"testing"
"time"
)
const (
network = "tcp4"
addr = "127.0.0.1:5000"
)
func TestJSONRPC(t *testing.T) {
type Args struct{ A, B int }
type Reply int
lis, err := net.Listen(network, addr)
if err != nil {
t.Fatal(err)
}
srv := rpc2.NewServer()
srv.Handle("add", func(client *rpc2.Client, args *Args, reply *Reply) error {
*reply = Reply(args.A + args.B)
var rep Reply
err := client.Call("mult", Args{2, 3}, &rep)
if err != nil {
t.Fatal(err)
}
if rep != 6 {
t.Fatalf("not expected: %d", rep)
}
return nil
})
srv.Handle("addPos", func(client *rpc2.Client, args []interface{}, result *float64) error {
*result = args[0].(float64) + args[1].(float64)
return nil
})
number := make(chan int, 1)
srv.Handle("set", func(client *rpc2.Client, i int, _ *struct{}) error {
number <- i
return nil
})
go func() {
conn, err := lis.Accept()
if err != nil {
t.Fatal(err)
}
srv.ServeCodec(NewJSONCodec(conn))
}()
conn, err := net.Dial(network, addr)
if err != nil {
t.Fatal(err)
}
clt := rpc2.NewClientWithCodec(NewJSONCodec(conn))
clt.Handle("mult", func(client *rpc2.Client, args *Args, reply *Reply) error {
*reply = Reply(args.A * args.B)
return nil
})
go clt.Run()
// Test Call.
var rep Reply
err = clt.Call("add", Args{1, 2}, &rep)
if err != nil {
t.Fatal(err)
}
if rep != 3 {
t.Fatalf("not expected: %d", rep)
}
// Test notification.
err = clt.Notify("set", 6)
if err != nil {
t.Fatal(err)
}
select {
case i := <-number:
if i != 6 {
t.Fatalf("unexpected number: %d", i)
}
case <-time.After(time.Second):
t.Fatal("did not get notification")
}
// Test undefined method.
err = clt.Call("foo", 1, &rep)
if err.Error() != "rpc2: can't find method foo" {
t.Fatal(err)
}
// Test Positional arguments.
var result float64
err = clt.Call("addPos", []interface{}{1, 2}, &result)
if err != nil {
t.Fatal(err)
}
if result != 3 {
t.Fatalf("not expected: %d", result)
}
}
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