THRIFT-2945 Add Rust support
Client: Rust
Patch: Allen George <allen.george@gmail.com>
This closes #1147
diff --git a/lib/rs/src/protocol/binary.rs b/lib/rs/src/protocol/binary.rs
new file mode 100644
index 0000000..f3c9ea2
--- /dev/null
+++ b/lib/rs/src/protocol/binary.rs
@@ -0,0 +1,817 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+use byteorder::{BigEndian, ByteOrder, ReadBytesExt, WriteBytesExt};
+use std::cell::RefCell;
+use std::convert::From;
+use std::io::{Read, Write};
+use std::rc::Rc;
+use try_from::TryFrom;
+
+use ::{ProtocolError, ProtocolErrorKind};
+use ::transport::TTransport;
+use super::{TFieldIdentifier, TInputProtocol, TInputProtocolFactory, TListIdentifier,
+ TMapIdentifier, TMessageIdentifier, TMessageType};
+use super::{TOutputProtocol, TOutputProtocolFactory, TSetIdentifier, TStructIdentifier, TType};
+
+const BINARY_PROTOCOL_VERSION_1: u32 = 0x80010000;
+
+/// Read messages encoded in the Thrift simple binary encoding.
+///
+/// There are two available modes: `strict` and `non-strict`, where the
+/// `non-strict` version does not check for the protocol version in the
+/// received message header.
+///
+/// # Examples
+///
+/// Create and use a `TBinaryInputProtocol`.
+///
+/// ```no_run
+/// use std::cell::RefCell;
+/// use std::rc::Rc;
+/// use thrift::protocol::{TBinaryInputProtocol, TInputProtocol};
+/// use thrift::transport::{TTcpTransport, TTransport};
+///
+/// let mut transport = TTcpTransport::new();
+/// transport.open("localhost:9090").unwrap();
+/// let transport = Rc::new(RefCell::new(Box::new(transport) as Box<TTransport>));
+///
+/// let mut i_prot = TBinaryInputProtocol::new(transport, true);
+///
+/// let recvd_bool = i_prot.read_bool().unwrap();
+/// let recvd_string = i_prot.read_string().unwrap();
+/// ```
+pub struct TBinaryInputProtocol {
+ strict: bool,
+ transport: Rc<RefCell<Box<TTransport>>>,
+}
+
+impl TBinaryInputProtocol {
+ /// Create a `TBinaryInputProtocol` that reads bytes from `transport`.
+ ///
+ /// Set `strict` to `true` if all incoming messages contain the protocol
+ /// version number in the protocol header.
+ pub fn new(transport: Rc<RefCell<Box<TTransport>>>, strict: bool) -> TBinaryInputProtocol {
+ TBinaryInputProtocol {
+ strict: strict,
+ transport: transport,
+ }
+ }
+}
+
+impl TInputProtocol for TBinaryInputProtocol {
+ #[cfg_attr(feature = "cargo-clippy", allow(collapsible_if))]
+ fn read_message_begin(&mut self) -> ::Result<TMessageIdentifier> {
+ let mut first_bytes = vec![0; 4];
+ self.transport.borrow_mut().read_exact(&mut first_bytes[..])?;
+
+ // the thrift version header is intentionally negative
+ // so the first check we'll do is see if the sign bit is set
+ // and if so - assume it's the protocol-version header
+ if first_bytes[0] >= 8 {
+ // apparently we got a protocol-version header - check
+ // it, and if it matches, read the rest of the fields
+ if first_bytes[0..2] != [0x80, 0x01] {
+ Err(::Error::Protocol(ProtocolError {
+ kind: ProtocolErrorKind::BadVersion,
+ message: format!("received bad version: {:?}", &first_bytes[0..2]),
+ }))
+ } else {
+ let message_type: TMessageType = TryFrom::try_from(first_bytes[3])?;
+ let name = self.read_string()?;
+ let sequence_number = self.read_i32()?;
+ Ok(TMessageIdentifier::new(name, message_type, sequence_number))
+ }
+ } else {
+ // apparently we didn't get a protocol-version header,
+ // which happens if the sender is not using the strict protocol
+ if self.strict {
+ // we're in strict mode however, and that always
+ // requires the protocol-version header to be written first
+ Err(::Error::Protocol(ProtocolError {
+ kind: ProtocolErrorKind::BadVersion,
+ message: format!("received bad version: {:?}", &first_bytes[0..2]),
+ }))
+ } else {
+ // in the non-strict version the first message field
+ // is the message name. strings (byte arrays) are length-prefixed,
+ // so we've just read the length in the first 4 bytes
+ let name_size = BigEndian::read_i32(&first_bytes) as usize;
+ let mut name_buf: Vec<u8> = Vec::with_capacity(name_size);
+ self.transport.borrow_mut().read_exact(&mut name_buf)?;
+ let name = String::from_utf8(name_buf)?;
+
+ // read the rest of the fields
+ let message_type: TMessageType = self.read_byte().and_then(TryFrom::try_from)?;
+ let sequence_number = self.read_i32()?;
+ Ok(TMessageIdentifier::new(name, message_type, sequence_number))
+ }
+ }
+ }
+
+ fn read_message_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn read_struct_begin(&mut self) -> ::Result<Option<TStructIdentifier>> {
+ Ok(None)
+ }
+
+ fn read_struct_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn read_field_begin(&mut self) -> ::Result<TFieldIdentifier> {
+ let field_type_byte = self.read_byte()?;
+ let field_type = field_type_from_u8(field_type_byte)?;
+ let id = match field_type {
+ TType::Stop => Ok(0),
+ _ => self.read_i16(),
+ }?;
+ Ok(TFieldIdentifier::new::<Option<String>, String, i16>(None, field_type, id))
+ }
+
+ fn read_field_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn read_bytes(&mut self) -> ::Result<Vec<u8>> {
+ let num_bytes = self.transport.borrow_mut().read_i32::<BigEndian>()? as usize;
+ let mut buf = vec![0u8; num_bytes];
+ self.transport.borrow_mut().read_exact(&mut buf).map(|_| buf).map_err(From::from)
+ }
+
+ fn read_bool(&mut self) -> ::Result<bool> {
+ let b = self.read_i8()?;
+ match b {
+ 0 => Ok(false),
+ _ => Ok(true),
+ }
+ }
+
+ fn read_i8(&mut self) -> ::Result<i8> {
+ self.transport.borrow_mut().read_i8().map_err(From::from)
+ }
+
+ fn read_i16(&mut self) -> ::Result<i16> {
+ self.transport.borrow_mut().read_i16::<BigEndian>().map_err(From::from)
+ }
+
+ fn read_i32(&mut self) -> ::Result<i32> {
+ self.transport.borrow_mut().read_i32::<BigEndian>().map_err(From::from)
+ }
+
+ fn read_i64(&mut self) -> ::Result<i64> {
+ self.transport.borrow_mut().read_i64::<BigEndian>().map_err(From::from)
+ }
+
+ fn read_double(&mut self) -> ::Result<f64> {
+ self.transport.borrow_mut().read_f64::<BigEndian>().map_err(From::from)
+ }
+
+ fn read_string(&mut self) -> ::Result<String> {
+ let bytes = self.read_bytes()?;
+ String::from_utf8(bytes).map_err(From::from)
+ }
+
+ fn read_list_begin(&mut self) -> ::Result<TListIdentifier> {
+ let element_type: TType = self.read_byte().and_then(field_type_from_u8)?;
+ let size = self.read_i32()?;
+ Ok(TListIdentifier::new(element_type, size))
+ }
+
+ fn read_list_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn read_set_begin(&mut self) -> ::Result<TSetIdentifier> {
+ let element_type: TType = self.read_byte().and_then(field_type_from_u8)?;
+ let size = self.read_i32()?;
+ Ok(TSetIdentifier::new(element_type, size))
+ }
+
+ fn read_set_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn read_map_begin(&mut self) -> ::Result<TMapIdentifier> {
+ let key_type: TType = self.read_byte().and_then(field_type_from_u8)?;
+ let value_type: TType = self.read_byte().and_then(field_type_from_u8)?;
+ let size = self.read_i32()?;
+ Ok(TMapIdentifier::new(key_type, value_type, size))
+ }
+
+ fn read_map_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ // utility
+ //
+
+ fn read_byte(&mut self) -> ::Result<u8> {
+ self.transport.borrow_mut().read_u8().map_err(From::from)
+ }
+}
+
+/// Factory for creating instances of `TBinaryInputProtocol`.
+#[derive(Default)]
+pub struct TBinaryInputProtocolFactory;
+
+impl TBinaryInputProtocolFactory {
+ /// Create a `TBinaryInputProtocolFactory`.
+ pub fn new() -> TBinaryInputProtocolFactory {
+ TBinaryInputProtocolFactory {}
+ }
+}
+
+impl TInputProtocolFactory for TBinaryInputProtocolFactory {
+ fn create(&mut self, transport: Rc<RefCell<Box<TTransport>>>) -> Box<TInputProtocol> {
+ Box::new(TBinaryInputProtocol::new(transport, true)) as Box<TInputProtocol>
+ }
+}
+
+/// Write messages using the Thrift simple binary encoding.
+///
+/// There are two available modes: `strict` and `non-strict`, where the
+/// `strict` version writes the protocol version number in the outgoing message
+/// header and the `non-strict` version does not.
+///
+/// # Examples
+///
+/// Create and use a `TBinaryOutputProtocol`.
+///
+/// ```no_run
+/// use std::cell::RefCell;
+/// use std::rc::Rc;
+/// use thrift::protocol::{TBinaryOutputProtocol, TOutputProtocol};
+/// use thrift::transport::{TTcpTransport, TTransport};
+///
+/// let mut transport = TTcpTransport::new();
+/// transport.open("localhost:9090").unwrap();
+/// let transport = Rc::new(RefCell::new(Box::new(transport) as Box<TTransport>));
+///
+/// let mut o_prot = TBinaryOutputProtocol::new(transport, true);
+///
+/// o_prot.write_bool(true).unwrap();
+/// o_prot.write_string("test_string").unwrap();
+/// ```
+pub struct TBinaryOutputProtocol {
+ strict: bool,
+ transport: Rc<RefCell<Box<TTransport>>>,
+}
+
+impl TBinaryOutputProtocol {
+ /// Create a `TBinaryOutputProtocol` that writes bytes to `transport`.
+ ///
+ /// Set `strict` to `true` if all outgoing messages should contain the
+ /// protocol version number in the protocol header.
+ pub fn new(transport: Rc<RefCell<Box<TTransport>>>, strict: bool) -> TBinaryOutputProtocol {
+ TBinaryOutputProtocol {
+ strict: strict,
+ transport: transport,
+ }
+ }
+
+ fn write_transport(&mut self, buf: &[u8]) -> ::Result<()> {
+ self.transport.borrow_mut().write(buf).map(|_| ()).map_err(From::from)
+ }
+}
+
+impl TOutputProtocol for TBinaryOutputProtocol {
+ fn write_message_begin(&mut self, identifier: &TMessageIdentifier) -> ::Result<()> {
+ if self.strict {
+ let message_type: u8 = identifier.message_type.into();
+ let header = BINARY_PROTOCOL_VERSION_1 | (message_type as u32);
+ self.transport.borrow_mut().write_u32::<BigEndian>(header)?;
+ self.write_string(&identifier.name)?;
+ self.write_i32(identifier.sequence_number)
+ } else {
+ self.write_string(&identifier.name)?;
+ self.write_byte(identifier.message_type.into())?;
+ self.write_i32(identifier.sequence_number)
+ }
+ }
+
+ fn write_message_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn write_struct_begin(&mut self, _: &TStructIdentifier) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn write_struct_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn write_field_begin(&mut self, identifier: &TFieldIdentifier) -> ::Result<()> {
+ if identifier.id.is_none() && identifier.field_type != TType::Stop {
+ return Err(::Error::Protocol(ProtocolError {
+ kind: ProtocolErrorKind::Unknown,
+ message: format!("cannot write identifier {:?} without sequence number",
+ &identifier),
+ }));
+ }
+
+ self.write_byte(field_type_to_u8(identifier.field_type))?;
+ if let Some(id) = identifier.id {
+ self.write_i16(id)
+ } else {
+ Ok(())
+ }
+ }
+
+ fn write_field_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn write_field_stop(&mut self) -> ::Result<()> {
+ self.write_byte(field_type_to_u8(TType::Stop))
+ }
+
+ fn write_bytes(&mut self, b: &[u8]) -> ::Result<()> {
+ self.write_i32(b.len() as i32)?;
+ self.write_transport(b)
+ }
+
+ fn write_bool(&mut self, b: bool) -> ::Result<()> {
+ if b {
+ self.write_i8(1)
+ } else {
+ self.write_i8(0)
+ }
+ }
+
+ fn write_i8(&mut self, i: i8) -> ::Result<()> {
+ self.transport.borrow_mut().write_i8(i).map_err(From::from)
+ }
+
+ fn write_i16(&mut self, i: i16) -> ::Result<()> {
+ self.transport.borrow_mut().write_i16::<BigEndian>(i).map_err(From::from)
+ }
+
+ fn write_i32(&mut self, i: i32) -> ::Result<()> {
+ self.transport.borrow_mut().write_i32::<BigEndian>(i).map_err(From::from)
+ }
+
+ fn write_i64(&mut self, i: i64) -> ::Result<()> {
+ self.transport.borrow_mut().write_i64::<BigEndian>(i).map_err(From::from)
+ }
+
+ fn write_double(&mut self, d: f64) -> ::Result<()> {
+ self.transport.borrow_mut().write_f64::<BigEndian>(d).map_err(From::from)
+ }
+
+ fn write_string(&mut self, s: &str) -> ::Result<()> {
+ self.write_bytes(s.as_bytes())
+ }
+
+ fn write_list_begin(&mut self, identifier: &TListIdentifier) -> ::Result<()> {
+ self.write_byte(field_type_to_u8(identifier.element_type))?;
+ self.write_i32(identifier.size)
+ }
+
+ fn write_list_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn write_set_begin(&mut self, identifier: &TSetIdentifier) -> ::Result<()> {
+ self.write_byte(field_type_to_u8(identifier.element_type))?;
+ self.write_i32(identifier.size)
+ }
+
+ fn write_set_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn write_map_begin(&mut self, identifier: &TMapIdentifier) -> ::Result<()> {
+ let key_type = identifier.key_type
+ .expect("map identifier to write should contain key type");
+ self.write_byte(field_type_to_u8(key_type))?;
+ let val_type = identifier.value_type
+ .expect("map identifier to write should contain value type");
+ self.write_byte(field_type_to_u8(val_type))?;
+ self.write_i32(identifier.size)
+ }
+
+ fn write_map_end(&mut self) -> ::Result<()> {
+ Ok(())
+ }
+
+ fn flush(&mut self) -> ::Result<()> {
+ self.transport.borrow_mut().flush().map_err(From::from)
+ }
+
+ // utility
+ //
+
+ fn write_byte(&mut self, b: u8) -> ::Result<()> {
+ self.transport.borrow_mut().write_u8(b).map_err(From::from)
+ }
+}
+
+/// Factory for creating instances of `TBinaryOutputProtocol`.
+#[derive(Default)]
+pub struct TBinaryOutputProtocolFactory;
+
+impl TBinaryOutputProtocolFactory {
+ /// Create a `TBinaryOutputProtocolFactory`.
+ pub fn new() -> TBinaryOutputProtocolFactory {
+ TBinaryOutputProtocolFactory {}
+ }
+}
+
+impl TOutputProtocolFactory for TBinaryOutputProtocolFactory {
+ fn create(&mut self, transport: Rc<RefCell<Box<TTransport>>>) -> Box<TOutputProtocol> {
+ Box::new(TBinaryOutputProtocol::new(transport, true)) as Box<TOutputProtocol>
+ }
+}
+
+fn field_type_to_u8(field_type: TType) -> u8 {
+ match field_type {
+ TType::Stop => 0x00,
+ TType::Void => 0x01,
+ TType::Bool => 0x02,
+ TType::I08 => 0x03, // equivalent to TType::Byte
+ TType::Double => 0x04,
+ TType::I16 => 0x06,
+ TType::I32 => 0x08,
+ TType::I64 => 0x0A,
+ TType::String | TType::Utf7 => 0x0B,
+ TType::Struct => 0x0C,
+ TType::Map => 0x0D,
+ TType::Set => 0x0E,
+ TType::List => 0x0F,
+ TType::Utf8 => 0x10,
+ TType::Utf16 => 0x11,
+ }
+}
+
+fn field_type_from_u8(b: u8) -> ::Result<TType> {
+ match b {
+ 0x00 => Ok(TType::Stop),
+ 0x01 => Ok(TType::Void),
+ 0x02 => Ok(TType::Bool),
+ 0x03 => Ok(TType::I08), // Equivalent to TType::Byte
+ 0x04 => Ok(TType::Double),
+ 0x06 => Ok(TType::I16),
+ 0x08 => Ok(TType::I32),
+ 0x0A => Ok(TType::I64),
+ 0x0B => Ok(TType::String), // technically, also a UTF7, but we'll treat it as string
+ 0x0C => Ok(TType::Struct),
+ 0x0D => Ok(TType::Map),
+ 0x0E => Ok(TType::Set),
+ 0x0F => Ok(TType::List),
+ 0x10 => Ok(TType::Utf8),
+ 0x11 => Ok(TType::Utf16),
+ unkn => {
+ Err(::Error::Protocol(ProtocolError {
+ kind: ProtocolErrorKind::InvalidData,
+ message: format!("cannot convert {} to TType", unkn),
+ }))
+ }
+ }
+}
+
+#[cfg(test)]
+mod tests {
+
+ use std::rc::Rc;
+ use std::cell::RefCell;
+
+ use ::protocol::{TFieldIdentifier, TMessageIdentifier, TMessageType, TInputProtocol,
+ TListIdentifier, TMapIdentifier, TOutputProtocol, TSetIdentifier,
+ TStructIdentifier, TType};
+ use ::transport::{TPassThruTransport, TTransport};
+ use ::transport::mem::TBufferTransport;
+
+ use super::*;
+
+ #[test]
+ fn must_write_message_call_begin() {
+ let (trans, _, mut o_prot) = test_objects();
+
+ let ident = TMessageIdentifier::new("test", TMessageType::Call, 1);
+ assert!(o_prot.write_message_begin(&ident).is_ok());
+
+ let buf = trans.borrow().write_buffer_to_vec();
+
+ let expected: [u8; 16] = [0x80, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x04, 0x74, 0x65,
+ 0x73, 0x74, 0x00, 0x00, 0x00, 0x01];
+
+ assert_eq!(&expected, buf.as_slice());
+ }
+
+
+ #[test]
+ fn must_write_message_reply_begin() {
+ let (trans, _, mut o_prot) = test_objects();
+
+ let ident = TMessageIdentifier::new("test", TMessageType::Reply, 10);
+ assert!(o_prot.write_message_begin(&ident).is_ok());
+
+ let buf = trans.borrow().write_buffer_to_vec();
+
+ let expected: [u8; 16] = [0x80, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00, 0x04, 0x74, 0x65,
+ 0x73, 0x74, 0x00, 0x00, 0x00, 0x0A];
+
+ assert_eq!(&expected, buf.as_slice());
+ }
+
+ #[test]
+ fn must_round_trip_strict_message_begin() {
+ let (trans, mut i_prot, mut o_prot) = test_objects();
+
+ let sent_ident = TMessageIdentifier::new("test", TMessageType::Call, 1);
+ assert!(o_prot.write_message_begin(&sent_ident).is_ok());
+
+ trans.borrow_mut().copy_write_buffer_to_read_buffer();
+
+ let received_ident = assert_success!(i_prot.read_message_begin());
+ assert_eq!(&received_ident, &sent_ident);
+ }
+
+ #[test]
+ fn must_write_message_end() {
+ assert_no_write(|o| o.write_message_end());
+ }
+
+ #[test]
+ fn must_write_struct_begin() {
+ assert_no_write(|o| o.write_struct_begin(&TStructIdentifier::new("foo")));
+ }
+
+ #[test]
+ fn must_write_struct_end() {
+ assert_no_write(|o| o.write_struct_end());
+ }
+
+ #[test]
+ fn must_write_field_begin() {
+ let (trans, _, mut o_prot) = test_objects();
+
+ assert!(o_prot.write_field_begin(&TFieldIdentifier::new("some_field", TType::String, 22))
+ .is_ok());
+
+ let expected: [u8; 3] = [0x0B, 0x00, 0x16];
+ let buf = trans.borrow().write_buffer_to_vec();
+ assert_eq!(&expected, buf.as_slice());
+ }
+
+ #[test]
+ fn must_round_trip_field_begin() {
+ let (trans, mut i_prot, mut o_prot) = test_objects();
+
+ let sent_field_ident = TFieldIdentifier::new("foo", TType::I64, 20);
+ assert!(o_prot.write_field_begin(&sent_field_ident).is_ok());
+
+ trans.borrow_mut().copy_write_buffer_to_read_buffer();
+
+ let expected_ident = TFieldIdentifier {
+ name: None,
+ field_type: TType::I64,
+ id: Some(20),
+ }; // no name
+ let received_ident = assert_success!(i_prot.read_field_begin());
+ assert_eq!(&received_ident, &expected_ident);
+ }
+
+ #[test]
+ fn must_write_stop_field() {
+ let (trans, _, mut o_prot) = test_objects();
+
+ assert!(o_prot.write_field_stop().is_ok());
+
+ let expected: [u8; 1] = [0x00];
+ let buf = trans.borrow().write_buffer_to_vec();
+ assert_eq!(&expected, buf.as_slice());
+ }
+
+ #[test]
+ fn must_round_trip_field_stop() {
+ let (trans, mut i_prot, mut o_prot) = test_objects();
+
+ assert!(o_prot.write_field_stop().is_ok());
+
+ trans.borrow_mut().copy_write_buffer_to_read_buffer();
+
+ let expected_ident = TFieldIdentifier {
+ name: None,
+ field_type: TType::Stop,
+ id: Some(0),
+ }; // we get id 0
+
+ let received_ident = assert_success!(i_prot.read_field_begin());
+ assert_eq!(&received_ident, &expected_ident);
+ }
+
+ #[test]
+ fn must_write_field_end() {
+ assert_no_write(|o| o.write_field_end());
+ }
+
+ #[test]
+ fn must_write_list_begin() {
+ let (trans, _, mut o_prot) = test_objects();
+
+ assert!(o_prot.write_list_begin(&TListIdentifier::new(TType::Bool, 5)).is_ok());
+
+ let expected: [u8; 5] = [0x02, 0x00, 0x00, 0x00, 0x05];
+ let buf = trans.borrow().write_buffer_to_vec();
+ assert_eq!(&expected, buf.as_slice());
+ }
+
+ #[test]
+ fn must_round_trip_list_begin() {
+ let (trans, mut i_prot, mut o_prot) = test_objects();
+
+ let ident = TListIdentifier::new(TType::List, 900);
+ assert!(o_prot.write_list_begin(&ident).is_ok());
+
+ trans.borrow_mut().copy_write_buffer_to_read_buffer();
+
+ let received_ident = assert_success!(i_prot.read_list_begin());
+ assert_eq!(&received_ident, &ident);
+ }
+
+ #[test]
+ fn must_write_list_end() {
+ assert_no_write(|o| o.write_list_end());
+ }
+
+ #[test]
+ fn must_write_set_begin() {
+ let (trans, _, mut o_prot) = test_objects();
+
+ assert!(o_prot.write_set_begin(&TSetIdentifier::new(TType::I16, 7)).is_ok());
+
+ let expected: [u8; 5] = [0x06, 0x00, 0x00, 0x00, 0x07];
+ let buf = trans.borrow().write_buffer_to_vec();
+ assert_eq!(&expected, buf.as_slice());
+ }
+
+ #[test]
+ fn must_round_trip_set_begin() {
+ let (trans, mut i_prot, mut o_prot) = test_objects();
+
+ let ident = TSetIdentifier::new(TType::I64, 2000);
+ assert!(o_prot.write_set_begin(&ident).is_ok());
+
+ trans.borrow_mut().copy_write_buffer_to_read_buffer();
+
+ let received_ident_result = i_prot.read_set_begin();
+ assert!(received_ident_result.is_ok());
+ assert_eq!(&received_ident_result.unwrap(), &ident);
+ }
+
+ #[test]
+ fn must_write_set_end() {
+ assert_no_write(|o| o.write_set_end());
+ }
+
+ #[test]
+ fn must_write_map_begin() {
+ let (trans, _, mut o_prot) = test_objects();
+
+ assert!(o_prot.write_map_begin(&TMapIdentifier::new(TType::I64, TType::Struct, 32))
+ .is_ok());
+
+ let expected: [u8; 6] = [0x0A, 0x0C, 0x00, 0x00, 0x00, 0x20];
+ let buf = trans.borrow().write_buffer_to_vec();
+ assert_eq!(&expected, buf.as_slice());
+ }
+
+ #[test]
+ fn must_round_trip_map_begin() {
+ let (trans, mut i_prot, mut o_prot) = test_objects();
+
+ let ident = TMapIdentifier::new(TType::Map, TType::Set, 100);
+ assert!(o_prot.write_map_begin(&ident).is_ok());
+
+ trans.borrow_mut().copy_write_buffer_to_read_buffer();
+
+ let received_ident = assert_success!(i_prot.read_map_begin());
+ assert_eq!(&received_ident, &ident);
+ }
+
+ #[test]
+ fn must_write_map_end() {
+ assert_no_write(|o| o.write_map_end());
+ }
+
+ #[test]
+ fn must_write_bool_true() {
+ let (trans, _, mut o_prot) = test_objects();
+
+ assert!(o_prot.write_bool(true).is_ok());
+
+ let expected: [u8; 1] = [0x01];
+ let buf = trans.borrow().write_buffer_to_vec();
+ assert_eq!(&expected, buf.as_slice());
+ }
+
+ #[test]
+ fn must_write_bool_false() {
+ let (trans, _, mut o_prot) = test_objects();
+
+ assert!(o_prot.write_bool(false).is_ok());
+
+ let expected: [u8; 1] = [0x00];
+ let buf = trans.borrow().write_buffer_to_vec();
+ assert_eq!(&expected, buf.as_slice());
+ }
+
+ #[test]
+ fn must_read_bool_true() {
+ let (trans, mut i_prot, _) = test_objects();
+
+ trans.borrow_mut().set_readable_bytes(&[0x01]);
+
+ let read_bool = assert_success!(i_prot.read_bool());
+ assert_eq!(read_bool, true);
+ }
+
+ #[test]
+ fn must_read_bool_false() {
+ let (trans, mut i_prot, _) = test_objects();
+
+ trans.borrow_mut().set_readable_bytes(&[0x00]);
+
+ let read_bool = assert_success!(i_prot.read_bool());
+ assert_eq!(read_bool, false);
+ }
+
+ #[test]
+ fn must_allow_any_non_zero_value_to_be_interpreted_as_bool_true() {
+ let (trans, mut i_prot, _) = test_objects();
+
+ trans.borrow_mut().set_readable_bytes(&[0xAC]);
+
+ let read_bool = assert_success!(i_prot.read_bool());
+ assert_eq!(read_bool, true);
+ }
+
+ #[test]
+ fn must_write_bytes() {
+ let (trans, _, mut o_prot) = test_objects();
+
+ let bytes: [u8; 10] = [0x0A, 0xCC, 0xD1, 0x84, 0x99, 0x12, 0xAB, 0xBB, 0x45, 0xDF];
+
+ assert!(o_prot.write_bytes(&bytes).is_ok());
+
+ let buf = trans.borrow().write_buffer_to_vec();
+ assert_eq!(&buf[0..4], [0x00, 0x00, 0x00, 0x0A]); // length
+ assert_eq!(&buf[4..], bytes); // actual bytes
+ }
+
+ #[test]
+ fn must_round_trip_bytes() {
+ let (trans, mut i_prot, mut o_prot) = test_objects();
+
+ let bytes: [u8; 25] = [0x20, 0xFD, 0x18, 0x84, 0x99, 0x12, 0xAB, 0xBB, 0x45, 0xDF, 0x34,
+ 0xDC, 0x98, 0xA4, 0x6D, 0xF3, 0x99, 0xB4, 0xB7, 0xD4, 0x9C, 0xA5,
+ 0xB3, 0xC9, 0x88];
+
+ assert!(o_prot.write_bytes(&bytes).is_ok());
+
+ trans.borrow_mut().copy_write_buffer_to_read_buffer();
+
+ let received_bytes = assert_success!(i_prot.read_bytes());
+ assert_eq!(&received_bytes, &bytes);
+ }
+
+ fn test_objects
+ ()
+ -> (Rc<RefCell<Box<TBufferTransport>>>, TBinaryInputProtocol, TBinaryOutputProtocol)
+ {
+ let mem = Rc::new(RefCell::new(Box::new(TBufferTransport::with_capacity(40, 40))));
+
+ let inner: Box<TTransport> = Box::new(TPassThruTransport { inner: mem.clone() });
+ let inner = Rc::new(RefCell::new(inner));
+
+ let i_prot = TBinaryInputProtocol::new(inner.clone(), true);
+ let o_prot = TBinaryOutputProtocol::new(inner.clone(), true);
+
+ (mem, i_prot, o_prot)
+ }
+
+ fn assert_no_write<F: FnMut(&mut TBinaryOutputProtocol) -> ::Result<()>>(mut write_fn: F) {
+ let (trans, _, mut o_prot) = test_objects();
+ assert!(write_fn(&mut o_prot).is_ok());
+ assert_eq!(trans.borrow().write_buffer_as_ref().len(), 0);
+ }
+}