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# frozen_string_literal: true
require_relative 'test_helper'
class MergingTests < Minitest::Test
include CssParser
def setup
@cp = CssParser::Parser.new
end
def test_simple_merge
rs1 = RuleSet.new(block: 'color: black;')
rs2 = RuleSet.new(block: 'margin: 0px;')
merged = CssParser.merge(rs1, rs2)
assert_equal '0px;', merged['margin']
assert_equal 'black;', merged['color']
end
def test_merging_array
rs1 = RuleSet.new(block: 'color: black;')
rs2 = RuleSet.new(block: 'margin: 0px;')
merged = CssParser.merge([rs1, rs2])
assert_equal '0px;', merged['margin']
assert_equal 'black;', merged['color']
end
def test_merging_with_compound_selectors
@cp.add_block! "body { margin: 0; }"
@cp.add_block! "h2 { margin: 5px; }"
rules = @cp.find_rule_sets(["body", "h2"])
assert_equal "margin: 5px;", CssParser.merge(rules).declarations_to_s
@cp = CssParser::Parser.new
@cp.add_block! "body { margin: 0; }"
@cp.add_block! "h2,h1 { margin: 5px; }"
rules = @cp.find_rule_sets(["body", "h2"])
assert_equal "margin: 5px;", CssParser.merge(rules).declarations_to_s
end
def test_merging_multiple
rs1 = RuleSet.new(block: 'color: black;')
rs2 = RuleSet.new(block: 'margin: 0px;')
rs3 = RuleSet.new(block: 'margin: 5px;')
merged = CssParser.merge(rs1, rs2, rs3)
assert_equal '5px;', merged['margin']
end
def test_multiple_selectors_should_have_proper_specificity
rs1 = RuleSet.new(selectors: 'p, a[rel="external"]', block: 'color: black;')
rs2 = RuleSet.new(selectors: 'a', block: 'color: blue;')
merged = CssParser.merge(rs1, rs2)
assert_equal 'black;', merged['color']
end
def test_setting_specificity
rs1 = RuleSet.new(block: 'color: red;', specificity: 20)
rs2 = RuleSet.new(block: 'color: blue;', specificity: 10)
merged = CssParser.merge(rs1, rs2)
assert_equal 'red;', merged['color']
end
def test_properties_should_be_case_insensitive
rs1 = RuleSet.new(block: ' CoLor : red ;', specificity: 20)
rs2 = RuleSet.new(block: 'color: blue;', specificity: 10)
merged = CssParser.merge(rs1, rs2)
assert_equal 'red;', merged['color']
end
def test_merging_backgrounds
rs1 = RuleSet.new(block: 'background-color: black;')
rs2 = RuleSet.new(block: 'background-image: none;')
merged = CssParser.merge(rs1, rs2)
assert_equal 'black none;', merged['background']
end
def test_merging_dimensions
rs1 = RuleSet.new(block: 'margin: 3em;')
rs2 = RuleSet.new(block: 'margin-left: 1em;')
merged = CssParser.merge(rs1, rs2)
assert_equal '3em 3em 3em 1em;', merged['margin']
end
def test_merging_fonts
rs1 = RuleSet.new(block: 'font: 11px Arial;')
rs2 = RuleSet.new(block: 'font-weight: bold;')
merged = CssParser.merge(rs1, rs2)
assert_equal 'bold 11px Arial;', merged['font']
end
def test_raising_error_on_bad_type
assert_raises ArgumentError do
CssParser.merge([1, 2, 3])
end
end
def test_returning_early_with_only_one_params
rs = RuleSet.new(block: 'font-weight: bold;')
merged = CssParser.merge(rs)
assert_equal rs.object_id, merged.object_id
end
def test_merging_important
rs1 = RuleSet.new(block: 'color: black !important;')
rs2 = RuleSet.new(block: 'color: red;')
merged = CssParser.merge(rs1, rs2)
assert_equal 'black !important;', merged['color']
end
def test_merging_multiple_important
rs1 = RuleSet.new(block: 'color: black !important;', specificity: 1000)
rs2 = RuleSet.new(block: 'color: red !important;', specificity: 1)
merged = CssParser.merge(rs1, rs2)
assert_equal 'black !important;', merged['color']
rs3 = RuleSet.new(block: 'color: blue !important;', specificity: 1000)
merged = CssParser.merge(rs1, rs2, rs3)
assert_equal 'blue !important;', merged['color']
end
def test_merging_shorthand_important
rs1 = RuleSet.new(block: 'background: black none !important;')
rs2 = RuleSet.new(block: 'background-color: red;')
merged = CssParser.merge(rs1, rs2)
assert_equal 'black !important;', merged['background-color']
end
end
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