Re: [PATCH spice-server 5/5] test-stream-device: Check data are sent together

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> 
> On 13/07/18 16:33, Frediano Ziglio wrote:
> > Check that data sent to device are collapsed in a single message.
> > The StreamChannel object is mocked in the test.
> > This checks that commit dcc3f995d9f5575e319adcfe530c477a7c294ff3
> > ("stream-device: handle_data: send whole message") is doing the
> > right thing.
> > 
> > Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> > ---
> >  server/tests/test-stream-device.c | 99 +++++++++++++++++++++++++++++++
> >  1 file changed, 99 insertions(+)
> > 
> > diff --git a/server/tests/test-stream-device.c
> > b/server/tests/test-stream-device.c
> > index 1bcc1d42c..2916a07d8 100644
> > --- a/server/tests/test-stream-device.c
> > +++ b/server/tests/test-stream-device.c
> > @@ -31,6 +31,8 @@
> >  
> >  #include "test-display-base.h"
> >  #include "test-glib-compat.h"
> > +#include "stream-channel.h"
> > +#include "reds.h"
> >  
> >  static SpiceCharDeviceInstance vmc_instance;
> >  
> > @@ -173,6 +175,66 @@ check_vmc_error_message(void)
> >      g_assert_cmpint(GUINT32_FROM_LE(hdr.size), <=, vmc_write_pos -
> >      sizeof(hdr));
> >  }
> >  
> > +static int num_send_data_calls = 0;
> > +
> > +struct StreamChannel {
> > +    RedChannel parent;
> > +};
> > +
> > +struct StreamChannelClass {
> > +    RedChannelClass parent_class;
> > +};
> > +
> > +G_DEFINE_TYPE(StreamChannel, stream_channel, RED_TYPE_CHANNEL)
> > +
> > +static void
> > +stream_channel_init(StreamChannel *channel)
> > +{
> > +}
> > +
> > +static void
> > +stream_channel_class_init(StreamChannelClass *klass)
> > +{
> > +}
> > +
> > +void stream_channel_change_format(StreamChannel *channel,
> > +                                  const struct StreamMsgFormat *fmt)
> > +{
> > +}
> > +
> > +void stream_channel_send_data(StreamChannel *channel,
> > +                              const void *data, size_t size,
> > +                              uint32_t mm_time)
> > +{
> > +    ++num_send_data_calls;
> > +}
> > +
> > +void stream_channel_register_start_cb(StreamChannel *channel,
> > +                                      stream_channel_start_proc cb, void
> > *opaque)
> > +{
> > +}
> > +
> > +void stream_channel_register_queue_stat_cb(StreamChannel *channel,
> > +                                           stream_channel_queue_stat_proc
> > cb, void *opaque)
> > +{
> > +}
> > +
> > +StreamChannel* stream_channel_new(RedsState *server, uint32_t id)
> > +{
> > +    return g_object_new(TYPE_STREAM_CHANNEL,
> > +                        "spice-server", server,
> > +                        "core-interface", reds_get_core_interface(server),
> > +                        "channel-type", SPICE_CHANNEL_DISPLAY,
> > +                        "id", id,
> > +                        "migration-flags", 0,
> > +                        "handle-acks", FALSE,
> > +                        NULL);
> > +}
> > +
> > +void stream_channel_reset(StreamChannel *channel)
> > +{
> > +}
> > +
> 
> This breaks the meson build due to redefinitions of struct StreamChannel
> and all the functions from stream-channel.c. Maybe we could rename this
> struct to TestStreamChannel?
> 

No, we can't, this code is replacing the other, if you add another object
you don't mock the other.

The problem is that you need to link the library, not extract the
objects with spice_server_lib.extract_all_objects() and link them.
Why is done that way?

> server/server@@spice-server@sha/stream-channel.c.o: In function
> `stream_channel_get_type':
> /home/elima/projects/spice/spice/build/../server/stream-channel.c:90:
> multiple definition of `stream_channel_get_type'
> server/tests/server@tests@@test-stream-device@exe/test-stream-device.c.o:/home/elima/projects/spice/spice/build/../server/tests/test-stream-device.c:189:
> first defined here
...
...
> collect2: error: ld returned 1 exit status
> 
> For the moment I am disabling this test on the meson build.
> 
> 
> 
> >  static SpiceCoreInterface *core;
> >  static Test *test;
> >  typedef int TestFixture;
> > @@ -190,6 +252,8 @@ static void test_stream_device_setup(TestFixture
> > *fixture, gconstpointer user_da
> >      vmc_write_pos = 0;
> >      message_sizes_curr = message_sizes;
> >      message_sizes_end = message_sizes;
> > +
> > +    num_send_data_calls = 0;
> >  }
> >  
> >  static void test_stream_device_teardown(TestFixture *fixture,
> >  gconstpointer user_data)
> > @@ -384,6 +448,39 @@ static void test_stream_device_huge_data(TestFixture
> > *fixture, gconstpointer use
> >      check_vmc_error_message();
> >  }
> >  
> > +// check that server send all message
> > +static void test_stream_device_data_message(TestFixture *fixture,
> > gconstpointer user_data)
> > +{
> > +    uint8_t *p = message;
> > +
> > +    // add some messages into device buffer
> > +    p = add_format(p, 640, 480, SPICE_VIDEO_CODEC_TYPE_MJPEG);
> > +    p = add_stream_hdr(p, STREAM_TYPE_DATA, 1017);
> > +    for (int i = 0; i < 1017; ++i, ++p) {
> > +        *p = (uint8_t) (i * 123 + 57);
> > +    }
> > +    *message_sizes_end = 51;
> > +    ++message_sizes_end;
> > +    *message_sizes_end = 123;
> > +    ++message_sizes_end;
> > +    *message_sizes_end = 534;
> > +    ++message_sizes_end;
> > +    *message_sizes_end = p - message;
> > +    ++message_sizes_end;
> > +
> > +    test_kick();
> > +
> > +    // we should read all data
> > +    g_assert(message_sizes_curr - message_sizes == 4);
> > +
> > +    // we should have no data from the device
> > +    discard_server_capabilities();
> > +    g_assert_cmpint(vmc_write_pos, ==, 0);
> > +
> > +    // make sure data were collapsed in a single message
> > +    g_assert_cmpint(num_send_data_calls, ==, 1);
> > +}
> > +
> >  static void test_add(const char *name, void (*func)(TestFixture *,
> >  gconstpointer), gconstpointer arg)
> >  {
> >      g_test_add(name, TestFixture, arg, test_stream_device_setup, func,
> >      test_stream_device_teardown);
> > @@ -407,6 +504,8 @@ int main(int argc, char *argv[])
> >               test_stream_device_empty, GINT_TO_POINTER(STREAM_TYPE_DATA));
> >      test_add("/server/stream-device-huge-data",
> >               test_stream_device_huge_data, NULL);
> > +    test_add("/server/stream-device-data-message",
> > +             test_stream_device_data_message, NULL);
> >  
> >      return g_test_run();
> >  }
> > 
> 

Frediano
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