Runtime assertions for Ruby
literal.fun
ruby
Add `Literal::Data#[]`
Closes #325
+33
-13
+13
lib/literal/data_structure.rb
+13
lib/literal/data_structure.rb
···
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{}
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end
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def [](key)
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case key
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when Symbol
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when String
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key = key.intern
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else
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raise TypeError.new("expected a string or symbol, got #{key.inspect.class}")
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end
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prop = self.class.literal_properties[key] || raise(NameError.new("unknown attribute: #{key.inspect} for #{self.class}"))
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__send__(prop.name)
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end
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+
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alias to_hash to_h
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def deconstruct
-13
lib/literal/struct.rb
-13
lib/literal/struct.rb
···
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end
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end
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-
def [](key)
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case key
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when Symbol
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when String
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key = key.intern
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else
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raise TypeError.new("expected a string or symbol, got #{key.inspect.class}")
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end
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prop = self.class.literal_properties[key] || raise(NameError.new("unknown attribute: #{key.inspect} for #{self.class}"))
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__send__(prop.name)
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end
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-
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def []=(key, value)
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case key
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when Symbol
+20
test/data.test.rb
+20
test/data.test.rb
···
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assert_equal(person_a, person_b)
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end
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+
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test "can be indexed" do
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person = Person.new(name: "John")
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assert_equal(person[:name], "John")
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end
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test "indexed access supports string keys" do
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person = Person.new(name: "John")
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assert_equal(person["name"], "John")
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end
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test "indexed access raises for unknown keys" do
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person = Person.new(name: "John")
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assert_raises(NameError) { person[:age] }
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end
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test "indexed access raises for invalid key types" do
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person = Person.new(name: "John")
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assert_raises(TypeError) { person[0] }
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end