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require_relative '../fixtures/classes'
describe :data_inspect, shared: true do
it "returns a string representation showing members and values" do
a = DataSpecs::Measure.new(42, "km")
a.send(@method).should == '#<data DataSpecs::Measure amount=42, unit="km">'
end
it "returns a string representation without the class name for anonymous structs" do
Data.define(:a).new("").send(@method).should == '#<data a="">'
end
it "returns a string representation without the class name for structs nested in anonymous classes" do
c = Class.new
c.class_eval <<~DOC
Foo = Data.define(:a)
DOC
c::Foo.new("").send(@method).should == '#<data a="">'
end
it "returns a string representation without the class name for structs nested in anonymous modules" do
m = Module.new
m.class_eval <<~DOC
Foo = Data.define(:a)
DOC
m::Foo.new("").send(@method).should == '#<data a="">'
end
it "does not call #name method" do
struct = DataSpecs::MeasureWithOverriddenName.new(42, "km")
struct.send(@method).should == '#<data DataSpecs::MeasureWithOverriddenName amount=42, unit="km">'
end
it "does not call #name method when struct is anonymous" do
klass = Class.new(DataSpecs::Measure) do
def self.name
"A"
end
end
struct = klass.new(42, "km")
struct.send(@method).should == '#<data amount=42, unit="km">'
end
context "recursive structure" do
it "returns string representation with recursive attribute replaced with ..." do
a = DataSpecs::Measure.allocate
a.send(:initialize, amount: 42, unit: a)
a.send(@method).should == "#<data DataSpecs::Measure amount=42, unit=#<data DataSpecs::Measure:...>>"
end
it "returns string representation with recursive attribute replaced with ... when an anonymous class" do
klass = Class.new(DataSpecs::Measure)
a = klass.allocate
a.send(:initialize, amount: 42, unit: a)
a.send(@method).should =~ /#<data amount=42, unit=#<data #<Class:0x.+?>:\.\.\.>>/
end
end
end
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