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# frozen_string_literal: true
require_relative '../test_helper'
require 'minitest/spec'
class RuleSetDeclarationsTest < Minitest::Test
describe '.new' do
describe 'when initial declarations is not given' do
it 'initialized empty' do
assert_equal 0, CssParser::RuleSet::Declarations.new.size
end
end
describe 'when initial declarations is given' do
it 'initialized with given declarations' do
baz_property = CssParser::RuleSet::Declarations::Value.new('baz value', important: true)
declarations = CssParser::RuleSet::Declarations.new({foo: 'foo value', bar: 'bar value', baz: baz_property})
assert_equal 3, declarations.size
assert_equal CssParser::RuleSet::Declarations::Value.new('foo value'), declarations['foo']
assert_equal CssParser::RuleSet::Declarations::Value.new('bar value'), declarations[:bar]
assert_equal baz_property, declarations['baz']
end
end
end
describe '#[]=' do
it 'normalizes property name' do
declarations = CssParser::RuleSet::Declarations.new
declarations[:' fOo'] = 'foo value'
assert_equal true, declarations.key?('foo')
assert_equal 1, declarations.size
assert_equal 'foo value', declarations['foo'].value
end
it 'assigns proper value if Declarations::Value is given' do
declarations = CssParser::RuleSet::Declarations.new
property = CssParser::RuleSet::Declarations::Value.new('value', important: true)
declarations['foo'] = property
assert_equal property, declarations['foo']
end
it 'deletes property if given value is empty' do
declarations = CssParser::RuleSet::Declarations.new({foo: 'foo value', bar: 'bar value'})
assert_equal 2, declarations.size
declarations['foo'] = nil
assert_equal 1, declarations.size
assert_equal true, declarations.key?('bar')
end
it 'creates Declarations::Value with proper value if string is given' do
declarations = CssParser::RuleSet::Declarations.new
declarations['foo'] = 'foo value'
assert_instance_of CssParser::RuleSet::Declarations::Value, declarations['foo']
assert_equal 'foo value', declarations['foo'].value
end
it 'has alias #add_declaration!' do
declarations = CssParser::RuleSet::Declarations.new
assert_equal declarations.method(:[]=), declarations.method(:add_declaration!)
end
it 'raises an exception including the property when the value is empty' do
declarations = CssParser::RuleSet::Declarations.new
assert_raises ArgumentError, 'foo value is empty' do
declarations['foo'] = '!important'
end
end
end
describe '#[]' do
it 'returns property if exists' do
foo_value = CssParser::RuleSet::Declarations::Value.new('foo value', important: true)
declarations = CssParser::RuleSet::Declarations.new({foo: foo_value})
assert_equal foo_value, declarations['foo']
end
it 'returns nil if not exists' do
foo_value = CssParser::RuleSet::Declarations::Value.new('foo value', important: true)
declarations = CssParser::RuleSet::Declarations.new({foo: foo_value})
assert_nil declarations['bar']
end
it 'normalizes property name' do
foo_value = CssParser::RuleSet::Declarations::Value.new('foo value', important: true)
declarations = CssParser::RuleSet::Declarations.new({foo: foo_value})
assert_equal foo_value, declarations[:'Foo ']
end
it 'has alias #get_value' do
declarations = CssParser::RuleSet::Declarations.new
assert_equal declarations.method(:[]), declarations.method(:get_value)
end
end
describe '#key?' do
it 'return true if key exists' do
declarations = CssParser::RuleSet::Declarations.new({foo: 'foo value'})
assert_equal true, declarations.key?('foo')
end
it 'return false if key does not exists' do
declarations = CssParser::RuleSet::Declarations.new({foo: 'foo value'})
assert_equal false, declarations.key?('bar')
end
it 'normalizes property name' do
declarations = CssParser::RuleSet::Declarations.new({foo: 'foo value'})
assert_equal true, declarations.key?(:'foO ')
end
end
describe '#size' do
it 'returns declarations size' do
declarations = CssParser::RuleSet::Declarations.new({foo: 'foo value'})
assert_equal 1, declarations.size
declarations['bar'] = 'bar value'
assert_equal 2, declarations.size
declarations['foo'] = nil
assert_equal 1, declarations.size
end
end
describe '#delete' do
it 'removes declaration if exists' do
declarations = CssParser::RuleSet::Declarations.new({foo: 'foo value'})
assert_equal 1, declarations.size
declarations.remove_declaration!('foo')
assert_equal 0, declarations.size
end
it 'does nothing if declarations does not exist' do
declarations = CssParser::RuleSet::Declarations.new({foo: 'foo value'})
assert_equal 1, declarations.size
declarations.remove_declaration!('bar')
assert_equal 1, declarations.size
end
it 'normalizes property name' do
declarations = CssParser::RuleSet::Declarations.new({foo: 'foo value'})
assert_equal 1, declarations.size
declarations.remove_declaration!(:fOo)
assert_equal 0, declarations.size
end
it 'has alias #remove_declaration!' do
declarations = CssParser::RuleSet::Declarations.new
assert_equal declarations.method(:delete), declarations.method(:remove_declaration!)
end
end
describe '#replace_declaration!' do
it 'raises an error when replaced property does not exist' do
declarations = CssParser::RuleSet::Declarations.new
exception = assert_raises(ArgumentError) { declarations.replace_declaration!('property_name', {}) }
assert_equal 'property property_name does not exist', exception.message
end
it 'replaces declaration with normalized property name in place' do
declarations = CssParser::RuleSet::Declarations.new('foo' => 'foo_value', 'bar' => 'bar_value', 'baz' => 'baz_value')
declarations.replace_declaration!(" bAr\t\n", {'bar1' => 'bar1_value', 'bar2' => 'bar2_value'})
expected = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar1' => 'bar1_value', 'bar2' => 'bar2_value', 'baz' => 'baz_value'
)
assert_equal expected, declarations
end
describe 'when `preserve_importance: false`' do
it 'does not set importance when replaced property is important' do
declarations = CssParser::RuleSet::Declarations.new('foo' => 'foo_value !important')
declarations.replace_declaration!('foo', {'bar' => 'bar_value', 'baz' => 'baz_value !important'})
expected = CssParser::RuleSet::Declarations.new({'bar' => 'bar_value', 'baz' => 'baz_value !important'})
assert_equal expected, declarations
end
it 'does not unset importance when replaced property is not important' do
declarations = CssParser::RuleSet::Declarations.new('foo' => 'foo_value')
declarations.replace_declaration!('foo', {'bar' => 'bar_value', 'baz' => 'baz_value !important'})
expected = CssParser::RuleSet::Declarations.new({'bar' => 'bar_value', 'baz' => 'baz_value !important'})
assert_equal expected, declarations
end
end
describe 'when `preserve_importance: true`' do
it 'sets importance when replaced property is important' do
declarations = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar' => 'bar_value !important', 'baz' => 'baz_value', 'bar1' => 'old_bar1_value !important'
)
declarations.replace_declaration!('bar', {'bar1' => 'bar1_value', 'bar2' => 'bar2_value'}, preserve_importance: true)
expected = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar2' => 'bar2_value !important', 'baz' => 'baz_value', 'bar1' => 'old_bar1_value !important'
)
assert_equal expected, declarations
end
it 'unsets importance when replaced property is not important' do
declarations = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar' => 'bar_value', 'baz' => 'baz_value', 'bar1' => 'old_bar1_value'
)
declarations.replace_declaration!(
'bar',
{'bar1' => 'bar1_value !important', 'bar2' => 'bar2_value !important'},
preserve_importance: true
)
expected = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar2' => 'bar2_value', 'baz' => 'baz_value', 'bar1' => 'old_bar1_value'
)
assert_equal expected, declarations
end
end
describe 'when subsequent declarations for the replacement declarations exist' do
it 'does not replace declarations when both are not important' do
declarations = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar' => 'bar_value', 'baz' => 'baz_value', 'bar1' => 'old_bar1_value'
)
declarations.replace_declaration!('bar', {'bar1' => 'bar1_value', 'bar2' => 'bar2_value'})
expected = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar2' => 'bar2_value', 'baz' => 'baz_value', 'bar1' => 'old_bar1_value'
)
assert_equal expected, declarations
end
it 'does not replace declarations when both are important' do
declarations = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar' => 'bar_value', 'baz' => 'baz_value', 'bar1' => 'old_bar1_value !important'
)
declarations.replace_declaration!('bar', {'bar1' => 'bar1_value !important', 'bar2' => 'bar2_value'})
expected = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar2' => 'bar2_value', 'baz' => 'baz_value', 'bar1' => 'old_bar1_value !important'
)
assert_equal expected, declarations
end
it 'does not replace declaration when only replaced is important' do
declarations = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar' => 'bar_value', 'baz' => 'baz_value', 'bar1' => 'old_bar1_value !important'
)
declarations.replace_declaration!('bar', {'bar1' => 'bar1_value', 'bar2' => 'bar2_value'})
expected = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar2' => 'bar2_value', 'baz' => 'baz_value', 'bar1' => 'old_bar1_value !important'
)
assert_equal expected, declarations
end
it 'replaces declarations when only replacement is important' do
declarations = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar' => 'bar_value', 'baz' => 'baz_value', 'bar1' => 'old_bar1_value'
)
declarations.replace_declaration!('bar', {'bar1' => 'bar1_value !important', 'bar2' => 'bar2_value'})
expected = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar1' => 'bar1_value !important', 'bar2' => 'bar2_value', 'baz' => 'baz_value'
)
assert_equal expected, declarations
end
end
describe 'when prior declarations for the replacement declarations exist' do
it 'replaces declarations when both are not important' do
declarations = CssParser::RuleSet::Declarations.new(
'bar1' => 'old_bar1_value', 'foo' => 'foo_value', 'bar' => 'bar_value', 'baz' => 'baz_value'
)
declarations.replace_declaration!('bar', {'bar1' => 'bar1_value', 'bar2' => 'bar2_value'})
expected = CssParser::RuleSet::Declarations.new(
'bar1' => 'bar1_value', 'foo' => 'foo_value', 'bar2' => 'bar2_value', 'baz' => 'baz_value'
)
assert_equal expected, declarations
end
it 'replaces declarations when both are important' do
declarations = CssParser::RuleSet::Declarations.new(
'bar1' => 'old_bar1_value !important', 'foo' => 'foo_value', 'bar' => 'bar_value', 'baz' => 'baz_value'
)
declarations.replace_declaration!('bar', {'bar1' => 'bar1_value !important', 'bar2' => 'bar2_value'})
expected = CssParser::RuleSet::Declarations.new(
'bar1' => 'bar1_value !important', 'foo' => 'foo_value', 'bar2' => 'bar2_value', 'baz' => 'baz_value'
)
assert_equal expected, declarations
end
it 'does not replace declaration when only replaced is important' do
declarations = CssParser::RuleSet::Declarations.new(
'bar1' => 'old_bar1_value !important', 'foo' => 'foo_value', 'bar' => 'bar_value', 'baz' => 'baz_value'
)
declarations.replace_declaration!('bar', {'bar1' => 'bar1_value', 'bar2' => 'bar2_value'})
expected = CssParser::RuleSet::Declarations.new(
'bar1' => 'old_bar1_value !important', 'foo' => 'foo_value', 'bar2' => 'bar2_value', 'baz' => 'baz_value'
)
assert_equal expected, declarations
end
it 'replaces declarations when only replacement is important' do
declarations = CssParser::RuleSet::Declarations.new(
'bar1' => 'old_bar1_value', 'foo' => 'foo_value', 'bar' => 'bar_value', 'baz' => 'baz_value'
)
declarations.replace_declaration!('bar', {'bar1' => 'bar1_value !important', 'bar2' => 'bar2_value'})
expected = CssParser::RuleSet::Declarations.new(
'foo' => 'foo_value', 'bar1' => 'bar1_value !important', 'bar2' => 'bar2_value', 'baz' => 'baz_value'
)
assert_equal expected, declarations
end
end
end
describe '#each' do
describe 'when block is not given' do
it 'returns enumerator with properties in order' do
foo_value = CssParser::RuleSet::Declarations::Value.new('foo value')
bar_value = CssParser::RuleSet::Declarations::Value.new('bar value')
baz_value = CssParser::RuleSet::Declarations::Value.new('baz value')
declarations = CssParser::RuleSet::Declarations.new({foo: foo_value, bar: bar_value, baz: baz_value})
assert_instance_of Enumerator, declarations.each
assert_equal 3, declarations.each.size
assert_equal [['foo', foo_value], ['bar', bar_value], ['baz', baz_value]], declarations.each.to_a
end
end
describe 'when block is given' do
it 'yields properties in order' do
foo_value = CssParser::RuleSet::Declarations::Value.new('foo value')
bar_value = CssParser::RuleSet::Declarations::Value.new('bar value')
baz_value = CssParser::RuleSet::Declarations::Value.new('baz value')
declarations = CssParser::RuleSet::Declarations.new({foo: foo_value, bar: bar_value, baz: baz_value})
mock = Minitest::Mock.new
mock.expect :call, true, ['foo', foo_value]
mock.expect :call, true, ['bar', bar_value]
mock.expect :call, true, ['baz', baz_value]
declarations.each { |name, value| mock.call(name, value) }
assert_mock mock
end
end
end
describe '#to_s' do
context 'when `force_important` is not passed' do
it 'returns declarations with declared importance' do
foo_value = CssParser::RuleSet::Declarations::Value.new('foo value', important: true)
bar_value = CssParser::RuleSet::Declarations::Value.new('bar value', important: false)
baz_value = CssParser::RuleSet::Declarations::Value.new('baz value', important: true)
declarations = CssParser::RuleSet::Declarations.new({foo: foo_value, bar: bar_value, baz: baz_value})
assert_equal 'foo: foo value !important; bar: bar value; baz: baz value !important;', declarations.to_s
end
end
context 'when `force_important` is passed' do
it 'returns declarations with important annotations' do
foo_value = CssParser::RuleSet::Declarations::Value.new('foo value', important: false)
bar_value = CssParser::RuleSet::Declarations::Value.new('bar value', important: false)
baz_value = CssParser::RuleSet::Declarations::Value.new('baz value', important: false)
declarations = CssParser::RuleSet::Declarations.new({foo: foo_value, bar: bar_value, baz: baz_value})
assert_equal 'foo: foo value !important; bar: bar value !important; baz: baz value !important;',
declarations.to_s({force_important: true})
end
end
end
describe '#==' do
it 'returns true if declarations & their order are the same' do
declarations_hash = {'foo' => 'foo_value', 'bar' => 'bar_value'}
declarations = CssParser::RuleSet::Declarations.new(declarations_hash)
other = CssParser::RuleSet::Declarations.new(declarations_hash)
assert_equal declarations, other
end
it 'returns false if other is not a Declarations' do
declarations_hash = {'foo' => 'foo_value', 'bar' => 'bar_value'}
declarations = CssParser::RuleSet::Declarations.new(declarations_hash)
other = OpenStruct.new(declarations: declarations_hash)
refute_equal declarations, other
end
it 'returns true if value is a Declarations subclass and declarations are equal' do
declarations_hash = {'foo' => 'foo_value', 'bar' => 'bar_value'}
declarations = CssParser::RuleSet::Declarations.new(declarations_hash)
other_class = Class.new(CssParser::RuleSet::Declarations)
other = other_class.new(declarations_hash)
assert_equal declarations, other
end
it 'returns false if value is a Declarations subclass and value are not equal' do
declarations = CssParser::RuleSet::Declarations.new({'foo' => 'foo_value', 'bar' => 'bar_value'})
other_class = Class.new(CssParser::RuleSet::Declarations)
other = other_class.new({'bar' => 'bar_value', 'foo' => 'foo_value'})
refute_equal declarations, other
end
it 'returns false if declarations values are different' do
declarations = CssParser::RuleSet::Declarations.new({'foo' => 'foo_value', 'bar' => 'bar_value'})
other = CssParser::RuleSet::Declarations.new({'bar' => 'bar_value', 'foo' => 'other_foo_value'})
refute_equal declarations, other
end
it 'returns false if declarations are the same and their order is different' do
declarations = CssParser::RuleSet::Declarations.new({'foo' => 'foo_value', 'bar' => 'bar_value'})
other = CssParser::RuleSet::Declarations.new({'bar' => 'bar_value', 'foo' => 'foo_value'})
refute_equal declarations, other
end
end
end
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