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#
# 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.
#
require File.dirname(__FILE__) + '/spec_helper'
require File.dirname(__FILE__) + '/gen-rb/thrift_spec_types'
class ThriftStructSpec < Spec::ExampleGroup
include Thrift
include SpecNamespace
describe Struct do
it "should iterate over all fields properly" do
fields = {}
Foo.new.each_field { |fid,field_info| fields[fid] = field_info }
fields.should == Foo::FIELDS
end
it "should initialize all fields to defaults" do
struct = Foo.new
struct.simple.should == 53
struct.words.should == "words"
struct.hello.should == Hello.new(:greeting => 'hello, world!')
struct.ints.should == [1, 2, 2, 3]
struct.complex.should be_nil
struct.shorts.should == Set.new([5, 17, 239])
end
it "should not share default values between instances" do
begin
struct = Foo.new
struct.ints << 17
Foo.new.ints.should == [1,2,2,3]
ensure
# ensure no leakage to other tests
Foo::FIELDS[4][:default] = [1,2,2,3]
end
end
it "should properly initialize boolean values" do
struct = BoolStruct.new(:yesno => false)
struct.yesno.should be_false
end
it "should have proper == semantics" do
Foo.new.should_not == Hello.new
Foo.new.should == Foo.new
Foo.new(:simple => 52).should_not == Foo.new
end
it "should read itself off the wire" do
struct = Foo.new
prot = BaseProtocol.new(mock("transport"))
prot.should_receive(:read_struct_begin).twice
prot.should_receive(:read_struct_end).twice
prot.should_receive(:read_field_begin).and_return(
['complex', Types::MAP, 5], # Foo
['words', Types::STRING, 2], # Foo
['hello', Types::STRUCT, 3], # Foo
['greeting', Types::STRING, 1], # Hello
[nil, Types::STOP, 0], # Hello
['simple', Types::I32, 1], # Foo
['ints', Types::LIST, 4], # Foo
['shorts', Types::SET, 6], # Foo
[nil, Types::STOP, 0] # Hello
)
prot.should_receive(:read_field_end).exactly(7).times
prot.should_receive(:read_map_begin).and_return(
[Types::I32, Types::MAP, 2], # complex
[Types::STRING, Types::DOUBLE, 2], # complex/1/value
[Types::STRING, Types::DOUBLE, 1] # complex/2/value
)
prot.should_receive(:read_map_end).exactly(3).times
prot.should_receive(:read_list_begin).and_return([Types::I32, 4])
prot.should_receive(:read_list_end)
prot.should_receive(:read_set_begin).and_return([Types::I16, 2])
prot.should_receive(:read_set_end)
prot.should_receive(:read_i32).and_return(
1, 14, # complex keys
42, # simple
4, 23, 4, 29 # ints
)
prot.should_receive(:read_string).and_return("pi", "e", "feigenbaum", "apple banana", "what's up?")
prot.should_receive(:read_double).and_return(Math::PI, Math::E, 4.669201609)
prot.should_receive(:read_i16).and_return(2, 3)
prot.should_not_receive(:skip)
struct.read(prot)
struct.simple.should == 42
struct.complex.should == {1 => {"pi" => Math::PI, "e" => Math::E}, 14 => {"feigenbaum" => 4.669201609}}
struct.hello.should == Hello.new(:greeting => "what's up?")
struct.words.should == "apple banana"
struct.ints.should == [4, 23, 4, 29]
struct.shorts.should == Set.new([3, 2])
end
it "should skip unexpected fields in structs and use default values" do
struct = Foo.new
prot = BaseProtocol.new(mock("transport"))
prot.should_receive(:read_struct_begin)
prot.should_receive(:read_struct_end)
prot.should_receive(:read_field_begin).and_return(
['simple', Types::I32, 1],
['complex', Types::STRUCT, 5],
['thinz', Types::MAP, 7],
['foobar', Types::I32, 3],
['words', Types::STRING, 2],
[nil, Types::STOP, 0]
)
prot.should_receive(:read_field_end).exactly(5).times
prot.should_receive(:read_i32).and_return(42)
prot.should_receive(:read_string).and_return("foobar")
prot.should_receive(:skip).with(Types::STRUCT)
prot.should_receive(:skip).with(Types::MAP)
# prot.should_receive(:read_map_begin).and_return([Types::I32, Types::I32, 0])
# prot.should_receive(:read_map_end)
prot.should_receive(:skip).with(Types::I32)
struct.read(prot)
struct.simple.should == 42
struct.complex.should be_nil
struct.words.should == "foobar"
struct.hello.should == Hello.new(:greeting => 'hello, world!')
struct.ints.should == [1, 2, 2, 3]
struct.shorts.should == Set.new([5, 17, 239])
end
it "should write itself to the wire" do
prot = BaseProtocol.new(mock("transport")) #mock("Protocol")
prot.should_receive(:write_struct_begin).with("SpecNamespace::Foo")
prot.should_receive(:write_struct_begin).with("SpecNamespace::Hello")
prot.should_receive(:write_struct_end).twice
prot.should_receive(:write_field_begin).with('ints', Types::LIST, 4)
prot.should_receive(:write_i32).with(1)
prot.should_receive(:write_i32).with(2).twice
prot.should_receive(:write_i32).with(3)
prot.should_receive(:write_field_begin).with('complex', Types::MAP, 5)
prot.should_receive(:write_i32).with(5)
prot.should_receive(:write_string).with('foo')
prot.should_receive(:write_double).with(1.23)
prot.should_receive(:write_field_begin).with('shorts', Types::SET, 6)
prot.should_receive(:write_i16).with(5)
prot.should_receive(:write_i16).with(17)
prot.should_receive(:write_i16).with(239)
prot.should_receive(:write_field_stop).twice
prot.should_receive(:write_field_end).exactly(6).times
prot.should_receive(:write_field_begin).with('simple', Types::I32, 1)
prot.should_receive(:write_i32).with(53)
prot.should_receive(:write_field_begin).with('hello', Types::STRUCT, 3)
prot.should_receive(:write_field_begin).with('greeting', Types::STRING, 1)
prot.should_receive(:write_string).with('hello, world!')
prot.should_receive(:write_map_begin).with(Types::I32, Types::MAP, 1)
prot.should_receive(:write_map_begin).with(Types::STRING, Types::DOUBLE, 1)
prot.should_receive(:write_map_end).twice
prot.should_receive(:write_list_begin).with(Types::I32, 4)
prot.should_receive(:write_list_end)
prot.should_receive(:write_set_begin).with(Types::I16, 3)
prot.should_receive(:write_set_end)
struct = Foo.new
struct.words = nil
struct.complex = {5 => {"foo" => 1.23}}
struct.write(prot)
end
it "should raise an exception if presented with an unknown container" do
# yeah this is silly, but I'm going for code coverage here
struct = Foo.new
lambda { struct.send :write_container, nil, nil, {:type => "foo"} }.should raise_error(StandardError, "Not a container type: foo")
end
it "should support optional type-checking in Thrift::Struct.new" do
Thrift.type_checking = true
begin
lambda { Hello.new(:greeting => 3) }.should raise_error(TypeError, "Expected Types::STRING, received Fixnum for field greeting")
ensure
Thrift.type_checking = false
end
lambda { Hello.new(:greeting => 3) }.should_not raise_error(TypeError)
end
it "should support optional type-checking in field accessors" do
Thrift.type_checking = true
begin
hello = Hello.new
lambda { hello.greeting = 3 }.should raise_error(TypeError, "Expected Types::STRING, received Fixnum for field greeting")
ensure
Thrift.type_checking = false
end
lambda { hello.greeting = 3 }.should_not raise_error(TypeError)
end
it "should raise an exception when unknown types are given to Thrift::Struct.new" do
lambda { Hello.new(:fish => 'salmon') }.should raise_error(Exception, "Unknown key given to SpecNamespace::Hello.new: fish")
end
it "should support `raise Xception, 'message'` for Exception structs" do
begin
raise Xception, "something happened"
rescue Thrift::Exception => e
e.message.should == "something happened"
e.code.should == 1
# ensure it gets serialized properly, this is the really important part
prot = BaseProtocol.new(mock("trans"))
prot.should_receive(:write_struct_begin).with("SpecNamespace::Xception")
prot.should_receive(:write_struct_end)
prot.should_receive(:write_field_begin).with('message', Types::STRING, 1)#, "something happened")
prot.should_receive(:write_string).with("something happened")
prot.should_receive(:write_field_begin).with('code', Types::I32, 2)#, 1)
prot.should_receive(:write_i32).with(1)
prot.should_receive(:write_field_stop)
prot.should_receive(:write_field_end).twice
e.write(prot)
end
end
it "should support the regular initializer for exception structs" do
begin
raise Xception, :message => "something happened", :code => 5
rescue Thrift::Exception => e
e.message.should == "something happened"
e.code.should == 5
prot = BaseProtocol.new(mock("trans"))
prot.should_receive(:write_struct_begin).with("SpecNamespace::Xception")
prot.should_receive(:write_struct_end)
prot.should_receive(:write_field_begin).with('message', Types::STRING, 1)
prot.should_receive(:write_string).with("something happened")
prot.should_receive(:write_field_begin).with('code', Types::I32, 2)
prot.should_receive(:write_i32).with(5)
prot.should_receive(:write_field_stop)
prot.should_receive(:write_field_end).twice
e.write(prot)
end
end
end
end
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