daa1555c00
* Add attribute cleaner * Start using AttributeCleaner * Add additional check * Also work with non AR classes * Remove unnecessray :aggregate_failures * Rename to StringAttributeCleaner
59 lines
1.7 KiB
Ruby
59 lines
1.7 KiB
Ruby
require "rails_helper"
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RSpec.describe StringAttributeCleaner, type: :lib do
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with_model :TestClass do
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table do |t|
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t.string :string_attribute
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end
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model do
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# rubocop:disable RSpec/DescribedClass
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include StringAttributeCleaner.for(:string_attribute)
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# rubocop:enable RSpec/DescribedClass
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end
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end
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it "adds a before_validation callback to the including model", :aggregate_failures do
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before_validation_cbs = TestClass._validation_callbacks.filter_map do |cb|
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cb.filter if cb.kind == :before
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end
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expect(before_validation_cbs).to eq([:nullify_blank_attributes])
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expect(TestClass.new).to respond_to(:nullify_blank_attributes)
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end
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it "replaces empty strings with nil" do
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test_instance = TestClass.new(string_attribute: "")
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expect { test_instance.validate }
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.to change(test_instance, :string_attribute).from("").to(nil)
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end
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it "replaces blank strings with nil" do
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test_instance = TestClass.new(string_attribute: " ")
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expect { test_instance.validate }
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.to change(test_instance, :string_attribute).from(" ").to(nil)
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end
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it "leaves non-blank attributes unchanged" do
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test_instance = TestClass.new(string_attribute: "Test")
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expect { test_instance.validate }.not_to change(test_instance, :string_attribute)
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end
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it "ignores obsolete attributes" do
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TestClass.include(described_class.for(:non_existing))
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expect { TestClass.new.validate }.not_to raise_error
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end
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it "works with non-AR classes" do
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klass = Struct.new(:test, keyword_init: true)
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klass.include(described_class.for(:test))
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test_instance = klass.new(test: " ")
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expect { test_instance.nullify_blank_attributes }
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.to change(test_instance, :test).from(" ").to(nil)
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end
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end
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