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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 'spec_helper'
describe 'Struct' do
describe Thrift::Struct do
it "should iterate over all fields properly" do
fields = {}
SpecNamespace::Foo.new.each_field { |fid,field_info| fields[fid] = field_info }
expect(fields).to eq(SpecNamespace::Foo::FIELDS)
end
it "should initialize all fields to defaults" do
validate_default_arguments(SpecNamespace::Foo.new)
end
it "should initialize all fields to defaults and accept a block argument" do
SpecNamespace::Foo.new do |f|
validate_default_arguments(f)
end
end
def validate_default_arguments(object)
expect(object.simple).to eq(53)
expect(object.words).to eq("words")
expect(object.hello).to eq(SpecNamespace::Hello.new(:greeting => 'hello, world!'))
expect(object.ints).to eq([1, 2, 2, 3])
expect(object.complex).to be_nil
expect(object.shorts).to eq(Set.new([5, 17, 239]))
end
it "should not share default values between instances" do
begin
struct = SpecNamespace::Foo.new
struct.ints << 17
expect(SpecNamespace::Foo.new.ints).to eq([1,2,2,3])
ensure
# ensure no leakage to other tests
SpecNamespace::Foo::FIELDS[4][:default] = [1,2,2,3]
end
end
it "should properly initialize boolean values" do
struct = SpecNamespace::BoolStruct.new(:yesno => false)
expect(struct.yesno).to be_falsey
end
it "should have proper == semantics" do
expect(SpecNamespace::Foo.new).not_to eq(SpecNamespace::Hello.new)
expect(SpecNamespace::Foo.new).to eq(SpecNamespace::Foo.new)
expect(SpecNamespace::Foo.new(:simple => 52)).not_to eq(SpecNamespace::Foo.new)
end
it "should print enum value names in inspect" do
expect(SpecNamespace::StructWithSomeEnum.new(:some_enum => SpecNamespace::SomeEnum::ONE).inspect).to eq("<SpecNamespace::StructWithSomeEnum some_enum:ONE (0)>")
expect(SpecNamespace::StructWithEnumMap.new(:my_map => {SpecNamespace::SomeEnum::ONE => [SpecNamespace::SomeEnum::TWO]}).inspect).to eq("<SpecNamespace::StructWithEnumMap my_map:{ONE (0): [TWO (1)]}>")
end
it "should pretty print binary fields" do
expect(SpecNamespace::Foo2.new(:my_binary => "\001\002\003").inspect).to eq("<SpecNamespace::Foo2 my_binary:010203>")
end
it "should offer field? methods" do
expect(SpecNamespace::Foo.new.opt_string?).to be_falsey
expect(SpecNamespace::Foo.new(:simple => 52).simple?).to be_truthy
expect(SpecNamespace::Foo.new(:my_bool => false).my_bool?).to be_truthy
expect(SpecNamespace::Foo.new(:my_bool => true).my_bool?).to be_truthy
end
it "should be comparable" do
s1 = SpecNamespace::StructWithSomeEnum.new(:some_enum => SpecNamespace::SomeEnum::ONE)
s2 = SpecNamespace::StructWithSomeEnum.new(:some_enum => SpecNamespace::SomeEnum::TWO)
expect(s1 <=> s2).to eq(-1)
expect(s2 <=> s1).to eq(1)
expect(s1 <=> s1).to eq(0)
expect(s1 <=> SpecNamespace::StructWithSomeEnum.new()).to eq(-1)
end
it "should read itself off the wire" do
struct = SpecNamespace::Foo.new
prot = Thrift::BaseProtocol.new(double("transport"))
expect(prot).to receive(:read_struct_begin).twice
expect(prot).to receive(:read_struct_end).twice
expect(prot).to receive(:read_field_begin).and_return(
['complex', Thrift::Types::MAP, 5], # Foo
['words', Thrift::Types::STRING, 2], # Foo
['hello', Thrift::Types::STRUCT, 3], # Foo
['greeting', Thrift::Types::STRING, 1], # Hello
[nil, Thrift::Types::STOP, 0], # Hello
['simple', Thrift::Types::I32, 1], # Foo
['ints', Thrift::Types::LIST, 4], # Foo
['shorts', Thrift::Types::SET, 6], # Foo
[nil, Thrift::Types::STOP, 0] # Hello
)
expect(prot).to receive(:read_field_end).exactly(7).times
expect(prot).to receive(:read_map_begin).and_return(
[Thrift::Types::I32, Thrift::Types::MAP, 2], # complex
[Thrift::Types::STRING, Thrift::Types::DOUBLE, 2], # complex/1/value
[Thrift::Types::STRING, Thrift::Types::DOUBLE, 1] # complex/2/value
)
expect(prot).to receive(:read_map_end).exactly(3).times
expect(prot).to receive(:read_list_begin).and_return([Thrift::Types::I32, 4])
expect(prot).to receive(:read_list_end)
expect(prot).to receive(:read_set_begin).and_return([Thrift::Types::I16, 2])
expect(prot).to receive(:read_set_end)
expect(prot).to receive(:read_i32).and_return(
1, 14, # complex keys
42, # simple
4, 23, 4, 29 # ints
)
expect(prot).to receive(:read_string).and_return("pi", "e", "feigenbaum", "apple banana", "what's up?")
expect(prot).to receive(:read_double).and_return(Math::PI, Math::E, 4.669201609)
expect(prot).to receive(:read_i16).and_return(2, 3)
expect(prot).not_to receive(:skip)
struct.read(prot)
expect(struct.simple).to eq(42)
expect(struct.complex).to eq({1 => {"pi" => Math::PI, "e" => Math::E}, 14 => {"feigenbaum" => 4.669201609}})
expect(struct.hello).to eq(SpecNamespace::Hello.new(:greeting => "what's up?"))
expect(struct.words).to eq("apple banana")
expect(struct.ints).to eq([4, 23, 4, 29])
expect(struct.shorts).to eq(Set.new([3, 2]))
end
it "should serialize false boolean fields correctly" do
b = SpecNamespace::BoolStruct.new(:yesno => false)
prot = Thrift::BinaryProtocol.new(Thrift::MemoryBufferTransport.new)
expect(prot).to receive(:write_bool).with(false)
b.write(prot)
end
it "should skip unexpected fields in structs and use default values" do
struct = SpecNamespace::Foo.new
prot = Thrift::BaseProtocol.new(double("transport"))
expect(prot).to receive(:read_struct_begin)
expect(prot).to receive(:read_struct_end)
expect(prot).to receive(:read_field_begin).and_return(
['simple', Thrift::Types::I32, 1],
['complex', Thrift::Types::STRUCT, 5],
['thinz', Thrift::Types::MAP, 7],
['foobar', Thrift::Types::I32, 3],
['words', Thrift::Types::STRING, 2],
[nil, Thrift::Types::STOP, 0]
)
expect(prot).to receive(:read_field_end).exactly(5).times
expect(prot).to receive(:read_i32).and_return(42)
expect(prot).to receive(:read_string).and_return("foobar")
expect(prot).to receive(:skip).with(Thrift::Types::STRUCT)
expect(prot).to receive(:skip).with(Thrift::Types::MAP)
# prot.should_receive(:read_map_begin).and_return([Thrift::Types::I32, Thrift::Types::I32, 0])
# prot.should_receive(:read_map_end)
expect(prot).to receive(:skip).with(Thrift::Types::I32)
struct.read(prot)
expect(struct.simple).to eq(42)
expect(struct.complex).to be_nil
expect(struct.words).to eq("foobar")
expect(struct.hello).to eq(SpecNamespace::Hello.new(:greeting => 'hello, world!'))
expect(struct.ints).to eq([1, 2, 2, 3])
expect(struct.shorts).to eq(Set.new([5, 17, 239]))
end
it "should write itself to the wire" do
prot = Thrift::BaseProtocol.new(double("transport")) #mock("Protocol")
expect(prot).to receive(:write_struct_begin).with("SpecNamespace::Foo")
expect(prot).to receive(:write_struct_begin).with("SpecNamespace::Hello")
expect(prot).to receive(:write_struct_end).twice
expect(prot).to receive(:write_field_begin).with('ints', Thrift::Types::LIST, 4)
expect(prot).to receive(:write_i32).with(1)
expect(prot).to receive(:write_i32).with(2).twice
expect(prot).to receive(:write_i32).with(3)
expect(prot).to receive(:write_field_begin).with('complex', Thrift::Types::MAP, 5)
expect(prot).to receive(:write_i32).with(5)
expect(prot).to receive(:write_string).with('foo')
expect(prot).to receive(:write_double).with(1.23)
expect(prot).to receive(:write_field_begin).with('shorts', Thrift::Types::SET, 6)
expect(prot).to receive(:write_i16).with(5)
expect(prot).to receive(:write_i16).with(17)
expect(prot).to receive(:write_i16).with(239)
expect(prot).to receive(:write_field_stop).twice
expect(prot).to receive(:write_field_end).exactly(6).times
expect(prot).to receive(:write_field_begin).with('simple', Thrift::Types::I32, 1)
expect(prot).to receive(:write_i32).with(53)
expect(prot).to receive(:write_field_begin).with('hello', Thrift::Types::STRUCT, 3)
expect(prot).to receive(:write_field_begin).with('greeting', Thrift::Types::STRING, 1)
expect(prot).to receive(:write_string).with('hello, world!')
expect(prot).to receive(:write_map_begin).with(Thrift::Types::I32, Thrift::Types::MAP, 1)
expect(prot).to receive(:write_map_begin).with(Thrift::Types::STRING, Thrift::Types::DOUBLE, 1)
expect(prot).to receive(:write_map_end).twice
expect(prot).to receive(:write_list_begin).with(Thrift::Types::I32, 4)
expect(prot).to receive(:write_list_end)
expect(prot).to receive(:write_set_begin).with(Thrift::Types::I16, 3)
expect(prot).to receive(:write_set_end)
struct = SpecNamespace::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 = SpecNamespace::Foo.new
expect { struct.send :write_container, nil, nil, {:type => "foo"} }.to 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
expect { SpecNamespace::Hello.new(:greeting => 3) }.to raise_error(Thrift::TypeError, /Expected Types::STRING, received (Integer|Fixnum) for field greeting/)
ensure
Thrift.type_checking = false
end
expect { SpecNamespace::Hello.new(:greeting => 3) }.not_to raise_error
end
it "should support optional type-checking in field accessors" do
Thrift.type_checking = true
begin
hello = SpecNamespace::Hello.new
expect { hello.greeting = 3 }.to raise_error(Thrift::TypeError, /Expected Types::STRING, received (Integer|Fixnum) for field greeting/)
ensure
Thrift.type_checking = false
end
expect { hello.greeting = 3 }.not_to raise_error
end
it "should raise an exception when unknown types are given to Thrift::Struct.new" do
expect { SpecNamespace::Hello.new(:fish => 'salmon') }.to raise_error(Exception, "Unknown key given to SpecNamespace::Hello.new: fish")
end
it "should support `raise Xception, 'message'` for Exception structs" do
begin
raise SpecNamespace::Xception, "something happened"
rescue Thrift::Exception => e
expect(e.message).to eq("something happened")
expect(e.code).to eq(1)
# ensure it gets serialized properly, this is the really important part
prot = Thrift::BaseProtocol.new(double("trans"))
expect(prot).to receive(:write_struct_begin).with("SpecNamespace::Xception")
expect(prot).to receive(:write_struct_end)
expect(prot).to receive(:write_field_begin).with('message', Thrift::Types::STRING, 1)#, "something happened")
expect(prot).to receive(:write_string).with("something happened")
expect(prot).to receive(:write_field_begin).with('code', Thrift::Types::I32, 2)#, 1)
expect(prot).to receive(:write_i32).with(1)
expect(prot).to receive(:write_field_stop)
expect(prot).to receive(:write_field_end).twice
e.write(prot)
end
end
it "should support the regular initializer for exception structs" do
begin
raise SpecNamespace::Xception, :message => "something happened", :code => 5
rescue Thrift::Exception => e
expect(e.message).to eq("something happened")
expect(e.code).to eq(5)
prot = Thrift::BaseProtocol.new(double("trans"))
expect(prot).to receive(:write_struct_begin).with("SpecNamespace::Xception")
expect(prot).to receive(:write_struct_end)
expect(prot).to receive(:write_field_begin).with('message', Thrift::Types::STRING, 1)
expect(prot).to receive(:write_string).with("something happened")
expect(prot).to receive(:write_field_begin).with('code', Thrift::Types::I32, 2)
expect(prot).to receive(:write_i32).with(5)
expect(prot).to receive(:write_field_stop)
expect(prot).to receive(:write_field_end).twice
e.write(prot)
end
end
end
end
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