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require "test_helper"
require "json_schema"
describe JsonSchema::Attributes do
it "defines copyable attributes" do
obj = TestAttributes.new
obj.copyable = "foo"
assert_equal "foo", obj.copyable
assert_includes obj.class.copyable_attrs, :@copyable
end
it "defines schema attributes" do
obj = TestAttributes.new
obj.schema = "foo"
assert_equal "foo", obj.schema
assert_equal({:schema => :schema, :named => :schema_named, :cached => :cached},
obj.class.schema_attrs)
end
it "defines attributes with default readers" do
obj = TestAttributes.new
assert_equal [], obj.copyable_default
assert_equal "application/json", obj.copyable_default_with_string
hash = obj.copyable_default_with_object
assert_equal({}, hash)
hash[:x] = 123
# This is a check to make sure that the new object is not the same object
# as the one that we just mutated above. When assigning defaults the module
# should dup any common data strcutures that it puts in here.
obj = TestAttributes.new
hash = obj.copyable_default_with_object
assert_equal({}, hash)
end
it "inherits attributes when so instructed" do
obj = TestAttributesDescendant.new
assert_includes obj.class.copyable_attrs, :@copyable
end
it "allows schema attributes to be indexed but not others" do
obj = TestAttributes.new
obj.copyable = "non-schema"
obj.schema = "schema"
assert_raises NoMethodError do
assert_nil obj[:copyable]
end
assert_equal "schema", obj[:schema]
end
it "copies attributes with #copy_from" do
obj = TestAttributes.new
obj.copyable = "copyable"
obj.schema = "schema"
obj2 = TestAttributes.new
obj2.copy_from(obj)
assert_equal "copyable", obj2.copyable
assert_equal "schema", obj2.schema
end
it "initializes attributes with #initialize_attrs" do
obj = TestAttributes.new
# should produce a nil value *without* a Ruby warning
assert_nil obj.copyable
assert_nil obj.schema
end
it "cleans cached values when assigning parent attribute" do
obj = TestAttributes.new
obj.cached = "test"
assert_equal "test_123", obj.cached_parsed
obj.cached = "other"
assert_equal "other_123", obj.cached_parsed
end
class TestAttributes
include JsonSchema::Attributes
def initialize
initialize_attrs
end
attr_copyable :copyable
attr_schema :schema
attr_schema :schema_named, :schema_name => :named
attr_schema :cached, :clear_cache => :@cached_parsed
def cached_parsed
@cached_parsed ||= "#{cached}_123"
end
attr_copyable :copyable_default, :default => []
attr_copyable :copyable_default_with_string, :default => "application/json"
attr_copyable :copyable_default_with_object, :default => {}
end
class TestAttributesDescendant < TestAttributes
inherit_attrs
end
end
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