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server_test.go
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server_test.go
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package hmac
import (
"context"
"testing"
"google.golang.org/grpc"
)
type mockServerStream struct {
grpc.ServerStream
}
func (m *mockServerStream) Context() context.Context {
return context.Background()
}
func TestStreamServerInterceptor(t *testing.T) {
handlerCalled := false
handler := func(srv interface{}, ss grpc.ServerStream) error {
handlerCalled = true
return nil
}
mockCalled := false
mockedAuth := func(ctx context.Context, message string) error {
mockCalled = true
expectedMessage, _ := NewMessage(nil, "method1")
if message != expectedMessage {
t.Errorf("StreamServerInterceptor() expected message to be %v got %v", expectedMessage, message)
}
return nil
}
s := &serverInterceptor{
auth: mockedAuth,
}
err := s.StreamServerInterceptor(nil, &mockServerStream{}, &grpc.StreamServerInfo{FullMethod: "method1"}, handler)
if err != nil {
t.Fatalf("StreamServerInterceptor() expected error to be nil got error = %v", err)
}
if !handlerCalled {
t.Errorf("StreamServerInterceptor() expected handler to be called")
}
if !mockCalled {
t.Errorf("StreamServerInterceptor() expected auth to be called")
}
}
func TestUnaryServerInterceptor(t *testing.T) {
handlerCalled := false
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
handlerCalled = true
return nil, nil
}
req := &struct{ field string }{field: "value"}
mockCalled := false
mockedAuth := func(ctx context.Context, message string) error {
mockCalled = true
expectedMessage, _ := NewMessage(req, "method1")
if message != expectedMessage {
t.Errorf("UnaryServerInterceptor() expected message to be %v got %v", expectedMessage, message)
}
return nil
}
s := &serverInterceptor{
auth: mockedAuth,
}
_, err := s.UnaryServerInterceptor(context.Background(), req, &grpc.UnaryServerInfo{FullMethod: "method1"}, handler)
if err != nil {
t.Fatalf("UnaryServerInterceptor() expected error to be nil got error = %v", err)
}
if !handlerCalled {
t.Errorf("UnaryServerInterceptor() expected handler to be called")
}
if !mockCalled {
t.Errorf("UnaryServerInterceptor() expected auth to be called")
}
}
func TestIgnoreMethods_unary(t *testing.T) {
tests := []struct {
name string
fullMethod string
expectedAuthCalled bool
expectedHandlerCalled bool
}{
{name: "Ignores", fullMethod: "method1", expectedAuthCalled: false, expectedHandlerCalled: true},
{name: "Does not ignore", fullMethod: "method2", expectedAuthCalled: true, expectedHandlerCalled: true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
authCalled := false
mockedAuth := func(ctx context.Context, message string) error { authCalled = true; return nil }
handlerCalled := false
mockedHandler := func(ctx context.Context, req interface{}) (interface{}, error) { handlerCalled = true; return nil, nil }
interceptor := &serverInterceptor{auth: mockedAuth}
interceptor.IgnoredMethods("method1")
_, err := interceptor.UnaryServerInterceptor(context.Background(), nil, &grpc.UnaryServerInfo{FullMethod: tt.fullMethod}, mockedHandler)
if err != nil {
t.Fatalf("UnaryServerInterceptor() expected error to be nil got error = %v", err)
}
if authCalled != tt.expectedAuthCalled {
t.Errorf("UnaryServerInterceptor() expected auth to be called %v got %v", tt.expectedAuthCalled, authCalled)
}
if handlerCalled != tt.expectedHandlerCalled {
t.Errorf("UnaryServerInterceptor() expected handler to be called %v got %v", tt.expectedHandlerCalled, handlerCalled)
}
})
}
}
func TestIgnoreMethods_stream(t *testing.T) {
tests := []struct {
name string
fullMethod string
expectedAuthCalled bool
expectedHandlerCalled bool
}{
{name: "Ignores", fullMethod: "method1", expectedAuthCalled: false, expectedHandlerCalled: true},
{name: "Does not ignore", fullMethod: "method2", expectedAuthCalled: true, expectedHandlerCalled: true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
authCalled := false
mockedAuth := func(ctx context.Context, message string) error { authCalled = true; return nil }
handlerCalled := false
mockedHandler := func(srv interface{}, ss grpc.ServerStream) error { handlerCalled = true; return nil }
interceptor := &serverInterceptor{auth: mockedAuth}
interceptor.IgnoredMethods("method1")
err := interceptor.StreamServerInterceptor(nil, &mockServerStream{}, &grpc.StreamServerInfo{FullMethod: tt.fullMethod}, mockedHandler)
if err != nil {
t.Fatalf("StreamServerInterceptor() expected error to be nil got error = %v", err)
}
if authCalled != tt.expectedAuthCalled {
t.Errorf("StreamServerInterceptor() expected auth to be called %v got %v", tt.expectedAuthCalled, authCalled)
}
if handlerCalled != tt.expectedHandlerCalled {
t.Errorf("StreamServerInterceptor() expected handler to be called %v got %v", tt.expectedHandlerCalled, handlerCalled)
}
})
}
}