Example usage for io.netty.channel.embedded EmbeddedChannel flushOutbound

Introduction

In this page you can find the example usage for io.netty.channel.embedded EmbeddedChannel flushOutbound.

Prototype

public EmbeddedChannel flushOutbound() 

Source Link

Document

Flushes the outbound of this Channel .

Usage

From source file:io.crate.protocols.postgres.PostgresWireProtocolTest.java

License:Apache License

@Test
public void testDescribePortalMessage() throws Exception {
    PostgresWireProtocol ctx = new PostgresWireProtocol(sqlOperations, new AlwaysOKNullAuthentication(), null);

    EmbeddedChannel channel = new EmbeddedChannel(ctx.decoder, ctx.handler);
    {//  w ww  . jav  a 2 s. c o  m
        ByteBuf buffer = Unpooled.buffer();

        ClientMessages.sendStartupMessage(buffer, "doc");
        ClientMessages.sendParseMessage(buffer, "S1", "select ? in (1, 2, 3)",
                new int[] { PGTypes.get(DataTypes.LONG).oid() });
        ClientMessages.sendBindMessage(buffer, "P1", "S1", Collections.singletonList(1));
        channel.writeInbound(buffer);

        // we're not interested in the startup, parse, or bind replies
        channel.flushOutbound();
        channel.outboundMessages().clear();
    }
    {
        // try portal describe message
        ByteBuf buffer = Unpooled.buffer();
        ClientMessages.sendDescribeMessage(buffer, ClientMessages.DescribeType.PORTAL, "P1");
        channel.writeInbound(buffer);

        // we should get back a RowDescription message
        ByteBuf response = channel.readOutbound();
        assertThat(response.readByte(), is((byte) 'T'));
        assertThat(response.readInt(), is(42));
        assertThat(response.readShort(), is((short) 1));
        assertThat(PostgresWireProtocol.readCString(response), is("($1 IN (1, 2, 3))"));

        assertThat(response.readInt(), is(0));
        assertThat(response.readShort(), is((short) 0));
        assertThat(response.readInt(), is(PGTypes.get(DataTypes.BOOLEAN).oid()));
        assertThat(response.readShort(), is((short) PGTypes.get(DataTypes.BOOLEAN).typeLen()));
        assertThat(response.readInt(), is(PGTypes.get(DataTypes.LONG).typeMod()));
        assertThat(response.readShort(), is((short) 0));
    }
}

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From source file:io.crate.protocols.postgres.PostgresWireProtocolTest.java

License:Apache License

@Test
public void testDescribeStatementMessage() throws Exception {
    PostgresWireProtocol ctx = new PostgresWireProtocol(sqlOperations, new AlwaysOKNullAuthentication(), null);

    EmbeddedChannel channel = new EmbeddedChannel(ctx.decoder, ctx.handler);
    {/*from   w  ww  .  j a v  a2 s  .  c  o  m*/
        ByteBuf buffer = Unpooled.buffer();

        ClientMessages.sendStartupMessage(buffer, "doc");
        ClientMessages.sendParseMessage(buffer, "S1", "select ? in (1, 2, 3)", new int[0]);
        channel.writeInbound(buffer);

        // we're not interested in the startup, parse, or bind replies
        channel.flushOutbound();
        channel.outboundMessages().clear();
    }
    {
        // try the describe statement variant
        ByteBuf buffer = Unpooled.buffer();
        ClientMessages.sendDescribeMessage(buffer, ClientMessages.DescribeType.STATEMENT, "S1");
        channel.writeInbound(buffer);

        // we should get back a ParameterDescription message
        ByteBuf response = channel.readOutbound();
        assertThat(response.readByte(), is((byte) 't'));
        assertThat(response.readInt(), is(10));
        assertThat(response.readShort(), is((short) 1));
        assertThat(response.readInt(), is(PGTypes.get(DataTypes.LONG).oid()));

        // we should get back a RowDescription message
        response = channel.readOutbound();
        assertThat(response.readByte(), is((byte) 'T'));
        assertThat(response.readInt(), is(42));
        assertThat(response.readShort(), is((short) 1));
        assertThat(PostgresWireProtocol.readCString(response), is("($1 IN (1, 2, 3))"));

        assertThat(response.readInt(), is(0));
        assertThat(response.readShort(), is((short) 0));
        assertThat(response.readInt(), is(PGTypes.get(DataTypes.BOOLEAN).oid()));
        assertThat(response.readShort(), is((short) PGTypes.get(DataTypes.BOOLEAN).typeLen()));
        assertThat(response.readInt(), is(PGTypes.get(DataTypes.LONG).typeMod()));
        assertThat(response.readShort(), is((short) 0));
    }
}

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