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json_type_spec.rb
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json_type_spec.rb
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# frozen_string_literal: true
require "spec_helper"
RSpec.describe StoreModel::Types::JsonType do
let(:type) { described_class.new(Configuration) }
let(:attributes) do
{
color: "red",
disabled_at: Time.new(2019, 2, 22, 12, 30)
}
end
describe "#type" do
subject { type.type }
it { is_expected.to eq(:json) }
end
describe "#changed_in_place?" do
it "marks object as changed" do
expect(type.changed_in_place?({}, Configuration.new(attributes))).to be_truthy
end
end
describe "#cast_value" do
subject { type.cast_value(value) }
shared_examples "cast examples" do
it { is_expected.to be_a(Configuration) }
it("assigns attributes") { is_expected.to have_attributes(attributes) }
end
context "when String is passed" do
let(:value) { ActiveSupport::JSON.encode(attributes) }
include_examples "cast examples"
end
context "when Hash is passed" do
let(:value) { attributes }
include_examples "cast examples"
end
context "when Configuration instance is passed" do
let(:value) { Configuration.new(attributes) }
include_examples "cast examples"
end
context "when nil is passed" do
let(:value) { nil }
it { is_expected.to be_nil }
end
context "when instance of illegal class is passed" do
let(:value) { [] }
it "raises exception" do
expect { type.cast_value(value) }.to raise_error(
StoreModel::Types::CastError,
"failed casting [], only String, Hash or Configuration instances are allowed"
)
end
end
end
describe "#serialize" do
shared_examples "serialize examples" do
subject { type.serialize(value) }
it { is_expected.to be_a(String) }
it("is equal to attributes") { is_expected.to eq(attributes.to_json) }
end
context "when Hash is passed" do
let(:value) { attributes }
include_examples "serialize examples"
end
context "when String is passed" do
let(:value) { ActiveSupport::JSON.encode(attributes) }
include_examples "serialize examples"
end
context "when Configuration instance is passed" do
let(:value) { Configuration.new(attributes) }
include_examples "serialize examples"
end
end
end