THRIFT-697. Union support in Ruby
git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@910700 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/rb/spec/union_spec.rb b/lib/rb/spec/union_spec.rb
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+++ b/lib/rb/spec/union_spec.rb
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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'
+
+class ThriftUnionSpec < Spec::ExampleGroup
+ include Thrift
+ include SpecNamespace
+
+ describe Union do
+ it "should return nil value in unset union" do
+ union = My_union.new
+ union.get_set_field.should == nil
+ union.get_value.should == nil
+ end
+
+ it "should set a field and be accessible through get_value and the named field accessor" do
+ union = My_union.new
+ union.integer32 = 25
+ union.get_set_field.should == :integer32
+ union.get_value.should == 25
+ union.integer32.should == 25
+ end
+
+ it "should work correctly when instantiated with static field constructors" do
+ union = My_union.integer32(5)
+ union.get_set_field.should == :integer32
+ union.integer32.should == 5
+ end
+
+ it "should raise for wrong set field" do
+ union = My_union.new
+ union.integer32 = 25
+ lambda { union.some_characters }.should raise_error(RuntimeError, "some_characters is not union's set field.")
+ end
+
+ it "should not be equal to nil" do
+ union = My_union.new
+ union.should_not == nil
+ end
+
+ it "should not equate two different unions, i32 vs. string" do
+ union = My_union.new(:integer32, 25)
+ other_union = My_union.new(:some_characters, "blah!")
+ union.should_not == other_union
+ end
+
+ it "should properly reset setfield and setvalue" do
+ union = My_union.new(:integer32, 25)
+ union.get_set_field.should == :integer32
+ union.some_characters = "blah!"
+ union.get_set_field.should == :some_characters
+ union.get_value.should == "blah!"
+ lambda { union.integer32 }.should raise_error(RuntimeError, "integer32 is not union's set field.")
+ end
+
+ it "should not equate two different unions with different values" do
+ union = My_union.new(:integer32, 25)
+ other_union = My_union.new(:integer32, 400)
+ union.should_not == other_union
+ end
+
+ it "should not equate two different unions with different fields" do
+ union = My_union.new(:integer32, 25)
+ other_union = My_union.new(:other_i32, 25)
+ union.should_not == other_union
+ end
+
+ it "should inspect properly" do
+ union = My_union.new(:integer32, 25)
+ union.inspect.should == "<SpecNamespace::My_union integer32: 25>"
+ end
+
+ it "should not allow setting with instance_variable_set" do
+ union = My_union.new(:integer32, 27)
+ union.instance_variable_set(:@some_characters, "hallo!")
+ union.get_set_field.should == :integer32
+ union.get_value.should == 27
+ lambda { union.some_characters }.should raise_error(RuntimeError, "some_characters is not union's set field.")
+ end
+
+ it "should serialize correctly" do
+ trans = Thrift::MemoryBufferTransport.new
+ proto = Thrift::BinaryProtocol.new(trans)
+
+ union = My_union.new(:integer32, 25)
+ union.write(proto)
+
+ other_union = My_union.new(:integer32, 25)
+ other_union.read(proto)
+ other_union.should == union
+ end
+
+ it "should raise when validating unset union" do
+ union = My_union.new
+ lambda { union.validate }.should raise_error(StandardError, "Union fields are not set.")
+
+ other_union = My_union.new(:integer32, 1)
+ lambda { other_union.validate }.should_not raise_error(StandardError, "Union fields are not set.")
+ end
+
+ it "should validate an enum field properly" do
+ union = TestUnion.new(:enum_field, 3)
+ union.get_set_field.should == :enum_field
+ lambda { union.validate }.should raise_error(ProtocolException, "Invalid value of field enum_field!")
+
+ other_union = TestUnion.new(:enum_field, 1)
+ lambda { other_union.validate }.should_not raise_error(ProtocolException, "Invalid value of field enum_field!")
+ end
+
+ it "should properly serialize and match structs with a union" do
+ union = My_union.new(:integer32, 26)
+ swu = Struct_with_union.new(:fun_union => union)
+
+ trans = Thrift::MemoryBufferTransport.new
+ proto = Thrift::CompactProtocol.new(trans)
+
+ swu.write(proto)
+
+ other_union = My_union.new(:some_characters, "hello there")
+ swu2 = Struct_with_union.new(:fun_union => other_union)
+
+ swu2.should_not == swu
+
+ swu2.read(proto)
+ swu2.should == swu
+ end
+ end
+end