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2571c3f415
Move behavior of `read_attribute` to `AttributeSet` Conflicts: activerecord/lib/active_record/attribute_set.rb activerecord/test/cases/attribute_set_test.rb
128 lines
4.5 KiB
Ruby
128 lines
4.5 KiB
Ruby
require 'cases/helper'
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module ActiveRecord
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class AttributeSetTest < ActiveRecord::TestCase
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test "building a new set from raw attributes" do
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builder = AttributeSet::Builder.new(foo: Type::Integer.new, bar: Type::Float.new)
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attributes = builder.build_from_database(foo: '1.1', bar: '2.2')
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assert_equal 1, attributes[:foo].value
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assert_equal 2.2, attributes[:bar].value
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end
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test "building with custom types" do
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builder = AttributeSet::Builder.new(foo: Type::Float.new)
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attributes = builder.build_from_database({ foo: '3.3', bar: '4.4' }, { bar: Type::Integer.new })
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assert_equal 3.3, attributes[:foo].value
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assert_equal 4, attributes[:bar].value
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end
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test "[] returns a null object" do
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builder = AttributeSet::Builder.new(foo: Type::Float.new)
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attributes = builder.build_from_database(foo: '3.3')
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assert_equal '3.3', attributes[:foo].value_before_type_cast
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assert_equal nil, attributes[:bar].value_before_type_cast
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end
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test "duping creates a new hash and dups each attribute" do
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builder = AttributeSet::Builder.new(foo: Type::Integer.new, bar: Type::String.new)
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attributes = builder.build_from_database(foo: 1, bar: 'foo')
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# Ensure the type cast value is cached
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attributes[:foo].value
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attributes[:bar].value
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duped = attributes.dup
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duped[:foo] = Attribute.from_database(2, Type::Integer.new)
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duped[:bar].value << 'bar'
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assert_equal 1, attributes[:foo].value
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assert_equal 2, duped[:foo].value
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assert_equal 'foo', attributes[:bar].value
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assert_equal 'foobar', duped[:bar].value
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end
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test "freezing cloned set does not freeze original" do
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attributes = AttributeSet.new({})
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clone = attributes.clone
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clone.freeze
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assert clone.frozen?
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assert_not attributes.frozen?
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end
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test "to_hash returns a hash of the type cast values" do
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builder = AttributeSet::Builder.new(foo: Type::Integer.new, bar: Type::Float.new)
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attributes = builder.build_from_database(foo: '1.1', bar: '2.2')
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assert_equal({ foo: 1, bar: 2.2 }, attributes.to_hash)
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assert_equal({ foo: 1, bar: 2.2 }, attributes.to_h)
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end
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test "values_before_type_cast" do
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builder = AttributeSet::Builder.new(foo: Type::Integer.new, bar: Type::Integer.new)
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attributes = builder.build_from_database(foo: '1.1', bar: '2.2')
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assert_equal({ foo: '1.1', bar: '2.2' }, attributes.values_before_type_cast)
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end
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test "known columns are built with uninitialized attributes" do
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attributes = attributes_with_uninitialized_key
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assert attributes[:foo].initialized?
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assert_not attributes[:bar].initialized?
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end
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test "uninitialized attributes are not included in the attributes hash" do
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attributes = attributes_with_uninitialized_key
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assert_equal({ foo: 1 }, attributes.to_hash)
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end
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test "uninitialized attributes are not included in keys" do
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attributes = attributes_with_uninitialized_key
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assert_equal [:foo], attributes.keys
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end
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test "uninitialized attributes return false for include?" do
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attributes = attributes_with_uninitialized_key
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assert attributes.include?(:foo)
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assert_not attributes.include?(:bar)
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end
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test "unknown attributes return false for include?" do
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attributes = attributes_with_uninitialized_key
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assert_not attributes.include?(:wibble)
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end
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test "fetch_value returns the value for the given initialized attribute" do
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builder = AttributeSet::Builder.new(foo: Type::Integer.new, bar: Type::Float.new)
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attributes = builder.build_from_database(foo: '1.1', bar: '2.2')
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assert_equal 1, attributes.fetch_value(:foo)
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assert_equal 2.2, attributes.fetch_value(:bar)
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end
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test "fetch_value returns nil for unknown attributes" do
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attributes = attributes_with_uninitialized_key
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assert_nil attributes.fetch_value(:wibble)
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end
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test "fetch_value uses the given block for uninitialized attributes" do
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attributes = attributes_with_uninitialized_key
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value = attributes.fetch_value(:bar) { |n| n.to_s + '!' }
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assert_equal 'bar!', value
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end
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test "fetch_value returns nil for uninitialized attributes if no block is given" do
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attributes = attributes_with_uninitialized_key
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assert_nil attributes.fetch_value(:bar)
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end
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def attributes_with_uninitialized_key
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builder = AttributeSet::Builder.new(foo: Type::Integer.new, bar: Type::Float.new)
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builder.build_from_database(foo: '1.1')
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end
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end
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end
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