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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Data#with" do
it "returns self if given no arguments" do
data = DataSpecs::Measure.new(amount: 42, unit: "km")
data = data.with.should.equal?(data)
end
it "accepts keyword arguments" do
data = DataSpecs::Measure.new(amount: 42, unit: "km")
data = data.with(amount: 4, unit: "m")
data.amount.should == 4
data.unit.should == "m"
end
it "accepts String keyword arguments" do
data = DataSpecs::Measure.new(amount: 42, unit: "km")
data = data.with("amount" => 4, "unit" => "m")
data.amount.should == 4
data.unit.should == "m"
end
it "raises ArgumentError if no keyword arguments are given" do
data = DataSpecs::Measure.new(amount: 42, unit: "km")
-> {
data.with(4, "m")
}.should raise_error(ArgumentError, "wrong number of arguments (given 2, expected 0)")
end
it "does not depend on the Data.new method" do
subclass = Class.new(DataSpecs::Measure)
data = subclass.new(amount: 42, unit: "km")
def subclass.new(*)
raise "Data.new is called"
end
data_copy = data.with(unit: "m")
data_copy.amount.should == 42
data_copy.unit.should == "m"
end
ruby_version_is "3.3" do
it "calls #initialize" do
data = DataSpecs::DataWithOverriddenInitialize.new(42, "m")
ScratchPad.clear
data.with(amount: 0)
ScratchPad.recorded.should == [:initialize, [], {amount: 0, unit: "m"}]
end
end
end
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