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require 'time'
require "amq/protocol/table_value_encoder"
require "amq/protocol/float_32bit"
module AMQ
module Protocol
RSpec.describe TableValueEncoder do
it "calculates size of string field values" do
expect(described_class.field_value_size("amqp")).to eq(9)
expect(described_class.encode("amqp").bytesize).to eq(9)
expect(described_class.field_value_size("amq-protocol")).to eq(17)
expect(described_class.encode("amq-protocol").bytesize).to eq(17)
expect(described_class.field_value_size("à bientôt")).to eq(16)
expect(described_class.encode("à bientôt").bytesize).to eq(16)
end
it "calculates size of integer field values" do
expect(described_class.field_value_size(10)).to eq(9)
expect(described_class.encode(10).bytesize).to eq(9)
end
it "calculates size of float field values (considering them to be 64-bit)" do
expect(described_class.field_value_size(10.0)).to eq(9)
expect(described_class.encode(10.0).bytesize).to eq(9)
expect(described_class.field_value_size(120000.0)).to eq(9)
expect(described_class.encode(120000.0).bytesize).to eq(9)
end
it "calculates size of float field values (boxed as 32-bit)" do
expect(described_class.encode(AMQ::Protocol::Float32Bit.new(10.0)).bytesize).to eq(5)
expect(described_class.encode(AMQ::Protocol::Float32Bit.new(120000.0)).bytesize).to eq(5)
end
it "calculates size of boolean field values" do
expect(described_class.field_value_size(true)).to eq(2)
expect(described_class.encode(true).bytesize).to eq(2)
expect(described_class.field_value_size(false)).to eq(2)
expect(described_class.encode(false).bytesize).to eq(2)
end
it "calculates size of void field values" do
expect(described_class.field_value_size(nil)).to eq(1)
expect(described_class.encode(nil).bytesize).to eq(1)
end
it "calculates size of time field values" do
t = Time.parse("2011-07-14 01:17:46 +0400")
expect(described_class.field_value_size(t)).to eq(9)
expect(described_class.encode(t).bytesize).to eq(9)
end
it "calculates size of basic table field values" do
input1 = { "key" => "value" }
expect(described_class.field_value_size(input1)).to eq(19)
expect(described_class.encode(input1).bytesize).to eq(19)
input2 = { "intval" => 1 }
expect(described_class.field_value_size(input2)).to eq(21)
expect(described_class.encode(input2).bytesize).to eq(21)
input3 = { "intval" => 1, "key" => "value" }
expect(described_class.field_value_size(input3)).to eq(35)
expect(described_class.encode(input3).bytesize).to eq(35)
end
it "calculates size of table field values" do
input1 = {
"hashval" => {
"protocol" => {
"name" => "AMQP",
"major" => 0,
"minor" => "9",
"rev" => 1.0,
"spec" => {
"url" => "http://bit.ly/hw2ELX",
"utf8" => "à bientôt".force_encoding(::Encoding::ASCII_8BIT)
}
},
"true" => true,
"false" => false,
"nil" => nil
}
}
expect(described_class.field_value_size(input1)).to eq(166)
# puts(described_class.encode(input1).inspect)
expect(described_class.encode(input1).bytesize).to eq(166)
input2 = {
"boolval" => true,
"intval" => 1,
"strval" => "Test",
"timestampval" => Time.parse("2011-07-14 01:17:46 +0400"),
"floatval" => 3.14,
"longval" => 912598613,
"hashval" => { "protocol" => "AMQP091", "true" => true, "false" => false, "nil" => nil }
}
expect(described_class.field_value_size(input2)).to eq(158)
expect(described_class.encode(input2).bytesize).to eq(158)
end
it "calculates size of basic array field values" do
input1 = [1, 2, 3]
expect(described_class.field_value_size(input1)).to eq(32)
expect(described_class.encode(input1).bytesize).to eq(32)
input2 = ["one", "two", "three"]
expect(described_class.field_value_size(input2)).to eq(31)
expect(described_class.encode(input2).bytesize).to eq(31)
input3 = ["one", 2, "three"]
expect(described_class.field_value_size(input3)).to eq(32)
expect(described_class.encode(input3).bytesize).to eq(32)
input4 = ["one", 2, "three", ["four", 5, [6.0]]]
expect(described_class.field_value_size(input4)).to eq(69)
expect(described_class.encode(input4).bytesize).to eq(69)
end
it "encodes symbols as strings" do
encoded = described_class.encode(:test_symbol)
expect(encoded).to start_with("S")
expect(encoded).to include("test_symbol")
end
it "encodes BigDecimal values" do
bd = BigDecimal("123.45")
encoded = described_class.encode(bd)
expect(encoded).to start_with("D")
end
it "encodes BigDecimal with zero exponent" do
bd = BigDecimal("100")
encoded = described_class.encode(bd)
expect(encoded).to start_with("D")
end
it "raises ArgumentError for unsupported types" do
expect { described_class.encode(Object.new) }.to raise_error(ArgumentError)
end
end # TableValueEncoder
end # Protocol
end # AMQ
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