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# frozen_string_literal: true
require 'minitest/autorun'
require 'sprockets/utils'
class TestUtils < Minitest::Test
include Sprockets::Utils
def test_duplicable
skip unless 0.class != Integer # Ruby < 2.4
objs = [nil, true, false, 1, "foo", :foo, [], {}]
objs.each do |obj|
begin
obj.dup
rescue TypeError
refute duplicable?(obj), "can't dup: #{obj.inspect}"
else
assert duplicable?(obj), "can dup: #{obj.inspect}"
end
end
end
def test_hash_reassoc
h = hash_reassoc({}.freeze, :foo) do |value|
refute value
nil
end
assert_equal({foo: nil}, h)
assert h.frozen?
h = hash_reassoc({}, :foo) do |value|
refute value
true
end
assert_equal({foo: true}, h)
assert h.frozen?
h = hash_reassoc({foo: 1}.freeze, :foo) do |value|
assert_equal 1, value
2
end
assert_equal({foo: 2}, h)
assert h.frozen?
h = hash_reassoc({foo: "bar".freeze}.freeze, :foo) do |value|
assert_equal "bar", value
refute value.frozen?
"baz"
end
assert_equal({foo: "baz"}, h)
assert h.frozen?
assert h[:foo].frozen?
h = hash_reassoc({foo: "bar".freeze}.freeze, :foo) do |value|
assert_equal "bar", value
refute value.frozen?
value.sub!("r", "z")
end
assert_equal({foo: "baz"}, h)
assert h.frozen?
assert h[:foo].frozen?
h = hash_reassoc({foo: {bar: "baz".freeze}.freeze}.freeze, :foo, :bar) do |value|
assert_equal "baz", value
refute value.frozen?
"biz"
end
assert_equal({foo: {bar: "biz"}}, h)
assert h.frozen?
assert h[:foo].frozen?
assert h[:foo][:bar].frozen?
end
def test_string_ends_with_semicolon
assert string_end_with_semicolon?("var foo;")
refute string_end_with_semicolon?("var foo")
assert string_end_with_semicolon?("var foo;\n")
refute string_end_with_semicolon?("var foo\n")
assert string_end_with_semicolon?("var foo;\n\n")
refute string_end_with_semicolon?("var foo\n\n")
assert string_end_with_semicolon?(" var foo;\n \n")
refute string_end_with_semicolon?(" var foo\n \n")
assert string_end_with_semicolon?("\tvar foo;\n\t\n")
refute string_end_with_semicolon?("\tvar foo\n\t\n")
assert string_end_with_semicolon?("var foo\n;\n")
refute string_end_with_semicolon?("var foo\n\n")
end
def test_concat_javascript_sources
assert_equal "var foo;\n", apply_concat_javascript_sources("".freeze, "var foo;\n".freeze)
assert_equal "\nvar foo;\n", apply_concat_javascript_sources("\n".freeze, "var foo;\n".freeze)
assert_equal "var foo;\nvar bar;\n", apply_concat_javascript_sources("var foo;\n".freeze, "var bar;\n".freeze)
assert_equal " var foo;\n", apply_concat_javascript_sources(" ".freeze, "var foo;\n".freeze)
assert_equal "var foo;var bar;", apply_concat_javascript_sources("var foo".freeze, "var bar".freeze)
assert_equal "var foo;var bar;", apply_concat_javascript_sources("var foo;".freeze, "var bar;".freeze)
assert_equal "var foo;var bar;", apply_concat_javascript_sources("var foo".freeze, "var bar;".freeze)
assert_equal "var foo;\nvar bar;", apply_concat_javascript_sources("var foo\n".freeze, "var bar;".freeze)
end
def apply_concat_javascript_sources(*args)
args.reduce(+"", &method(:concat_javascript_sources))
end
def test_post_order_depth_first_search
m = []
m[11] = [4, 5, 10]
m[4] = [2, 3]
m[10] = [8, 9]
m[2] = [0, 1]
m[8] = [6, 7]
assert_equal Set.new(0..11), dfs(11) { |n| m[n] }
m = []
m[11] = [4, 5, 10]
m[4] = [2, 3]
m[3] = [1]
m[5] = [1, 2]
m[10] = [8, 9]
m[2] = [0, 1]
m[8] = [6, 7]
m[6] = [5]
assert_equal Set.new(0..11), dfs(11) { |n| m[n] }
end
def test_post_order_depth_first_find_all_paths
m = []
m[0] = [1]
m[1] = [2]
m[2] = [3]
m[3] = [4, 5]
m[4] = [1]
assert_equal [
[0],
[0, 1],
[0, 1, 2],
[0, 1, 2, 3],
[0, 1, 2, 3, 4],
[0, 1, 2, 3, 5]
], dfs_paths([0]) { |n| m[n] || [] }
assert_equal [
[1],
[1, 2],
[1, 2, 3],
[1, 2, 3, 4],
[1, 2, 3, 5]
], dfs_paths([1]) { |n| m[n] || [] }
assert_equal [[5]], dfs_paths([5]) { |n| m[n] || [] }
end
module Functions
module InstanceMethods
def bar
2
end
end
include InstanceMethods
def foo
1
end
end
module ScopedFunctions
def foo
7
end
def bar
8
end
def baz
9
end
end
module OtherScopedFunctions
def bar
3
end
def baz
4
end
end
class Context
include Functions
end
def test_module_include
context = Context.new
assert context.respond_to?(:foo)
assert context.respond_to?(:bar)
refute context.respond_to?(:baz)
assert_equal 1, context.foo
assert_equal 2, context.bar
module_include(Functions, ScopedFunctions) do
assert context.respond_to?(:foo)
assert context.respond_to?(:bar)
assert context.respond_to?(:baz)
assert_equal 7, context.foo
assert_equal 8, context.bar
assert_equal 9, context.baz
end
assert context.respond_to?(:foo)
assert context.respond_to?(:bar)
refute context.respond_to?(:baz)
assert_equal 1, context.foo
assert_equal 2, context.bar
module_include(Functions, OtherScopedFunctions) do
assert context.respond_to?(:foo)
assert context.respond_to?(:bar)
assert context.respond_to?(:baz)
assert_equal 1, context.foo
assert_equal 3, context.bar
assert_equal 4, context.baz
end
assert context.respond_to?(:foo)
assert context.respond_to?(:bar)
refute context.respond_to?(:baz)
assert_equal 1, context.foo
assert_equal 2, context.bar
end
end
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