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package plugin
import (
"context"
"reflect"
"testing"
"github.com/hashicorp/go-plugin/test/grpc"
"google.golang.org/grpc"
)
func TestGRPCClient_App(t *testing.T) {
client, server := TestPluginGRPCConn(t, map[string]Plugin{
"test": new(testGRPCInterfacePlugin),
})
defer client.Close()
defer server.Stop()
raw, err := client.Dispense("test")
if err != nil {
t.Fatalf("err: %s", err)
}
impl, ok := raw.(testInterface)
if !ok {
t.Fatalf("bad: %#v", raw)
}
result := impl.Double(21)
if result != 42 {
t.Fatalf("bad: %#v", result)
}
err = impl.Bidirectional()
if err != nil {
t.Fatal(err)
}
}
func TestGRPCConn_BidirectionalPing(t *testing.T) {
conn, _ := TestGRPCConn(t, func(s *grpc.Server) {
grpctest.RegisterPingPongServer(s, &pingPongServer{})
})
defer conn.Close()
pingPongClient := grpctest.NewPingPongClient(conn)
pResp, err := pingPongClient.Ping(context.Background(), &grpctest.PingRequest{})
if err != nil {
t.Fatal(err)
}
if pResp.Msg != "pong" {
t.Fatal("Bad PingPong")
}
}
func TestGRPCC_Stream(t *testing.T) {
client, server := TestPluginGRPCConn(t, map[string]Plugin{
"test": new(testGRPCInterfacePlugin),
})
defer client.Close()
defer server.Stop()
raw, err := client.Dispense("test")
if err != nil {
t.Fatalf("err: %s", err)
}
impl, ok := raw.(testStreamer)
if !ok {
t.Fatalf("bad: %#v", raw)
}
expected := []int32{21, 22, 23, 24, 25, 26}
result, err := impl.Stream(21, 27)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(result, expected) {
t.Fatalf("expected: %v\ngot: %v", expected, result)
}
}
func TestGRPCClient_Ping(t *testing.T) {
client, server := TestPluginGRPCConn(t, map[string]Plugin{
"test": new(testGRPCInterfacePlugin),
})
defer client.Close()
defer server.Stop()
// Run a couple pings
if err := client.Ping(); err != nil {
t.Fatalf("err: %s", err)
}
if err := client.Ping(); err != nil {
t.Fatalf("err: %s", err)
}
// Close the remote end
server.server.Stop()
// Test ping fails
if err := client.Ping(); err == nil {
t.Fatal("should error")
}
}
|
