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server_test.go
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server_test.go
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package jsonrpc
import (
"github.com/stretchr/testify/assert"
"testing"
"context"
"encoding/json"
"github.com/opentracing/opentracing-go"
)
func TestCall_CorrectEmptyResponse(t *testing.T) {
s := NewServer(map[string]Handler{
"foo": func(ctx context.Context, message *json.RawMessage) (interface{}, *Error) {
return nil, nil
},
})
resp := s.Call(
context.TODO(),
[]byte(`{ "method": "foo", "id": "123", "jsonrpc": "2.0"}`),
)
assert.Equal(t, `{"jsonrpc":"2.0","id":"123"}`, string(resp))
}
func TestCall_CorrectStringResponse(t *testing.T) {
s := NewServer(map[string]Handler{
"foo": func(ctx context.Context, message *json.RawMessage) (interface{}, *Error) {
return "correct response", nil
},
})
resp := s.Call(
context.TODO(),
[]byte(`{ "method": "foo", "id": "123", "jsonrpc": "2.0"}`),
)
assert.Equal(t, `{"jsonrpc":"2.0","id":"123","result":"correct response"}`, string(resp))
}
func TestCall_CorrectStructResponse(t *testing.T) {
s := NewServer(map[string]Handler{
"foo": func(ctx context.Context, message *json.RawMessage) (interface{}, *Error) {
return struct {
Foo string `json:"foo"`
}{
Foo : "bar",
}, nil
},
})
resp := s.Call(
context.TODO(),
[]byte(`{ "method": "foo", "id": "123", "jsonrpc": "2.0"}`),
)
assert.Equal(t, `{"jsonrpc":"2.0","id":"123","result":{"foo":"bar"}}`, string(resp))
}
func TestCall_HandleIncorrectMethodName(t *testing.T) {
s := NewServer(map[string]Handler{
"foo": func(ctx context.Context, message *json.RawMessage) (interface{}, *Error) {
return "response", nil
},
})
resp := s.Call(
context.TODO(),
[]byte(`{ "method": "incorrect_method", "id": "123", "jsonrpc": "2.0"}`),
)
assert.Equal(t, `{"jsonrpc":"2.0","id":"123","error":{"code":-32601,"message":"Method not found"}}`, string(resp))
}
func TestCall_CorrectWorkWithSpan(t *testing.T) {
s := NewServer(map[string]Handler{
"foo": func(ctx context.Context, message *json.RawMessage) (interface{}, *Error) {
return "response", nil
},
})
span := (&opentracing.NoopTracer{}).StartSpan("foo1")
ctx := opentracing.ContextWithSpan(context.Background(), span)
resp := s.Call(
ctx,
[]byte(`{ "method": "foo", "id": "123", "jsonrpc": "2.0"}`),
)
assert.Equal(t, `{"jsonrpc":"2.0","id":"123","result":"response"}`, string(resp))
// TODO: check that span has tags: rpc.method and rpc.ID
}