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# encoding: utf-8
require 'date'
require 'abstract_unit'
require 'inflector_test_cases'
require 'constantize_test_cases'
require 'active_support/inflector'
require 'active_support/core_ext/string'
require 'active_support/time'
require 'active_support/core_ext/string/strip'
require 'active_support/core_ext/string/output_safety'
require 'active_support/core_ext/string/indent'
module Ace
module Base
class Case
end
end
end
class StringInflectionsTest < ActiveSupport::TestCase
include InflectorTestCases
include ConstantizeTestCases
def test_strip_heredoc_on_an_empty_string
assert_equal '', ''.strip_heredoc
end
def test_strip_heredoc_on_a_string_with_no_lines
assert_equal 'x', 'x'.strip_heredoc
assert_equal 'x', ' x'.strip_heredoc
end
def test_strip_heredoc_on_a_heredoc_with_no_margin
assert_equal "foo\nbar", "foo\nbar".strip_heredoc
assert_equal "foo\n bar", "foo\n bar".strip_heredoc
end
def test_strip_heredoc_on_a_regular_indented_heredoc
assert_equal "foo\n bar\nbaz\n", <<-EOS.strip_heredoc
foo
bar
baz
EOS
end
def test_strip_heredoc_on_a_regular_indented_heredoc_with_blank_lines
assert_equal "foo\n bar\n\nbaz\n", <<-EOS.strip_heredoc
foo
bar
baz
EOS
end
def test_pluralize
SingularToPlural.each do |singular, plural|
assert_equal(plural, singular.pluralize)
end
assert_equal("plurals", "plurals".pluralize)
assert_equal("blargles", "blargle".pluralize(0))
assert_equal("blargle", "blargle".pluralize(1))
assert_equal("blargles", "blargle".pluralize(2))
end
def test_singularize
SingularToPlural.each do |singular, plural|
assert_equal(singular, plural.singularize)
end
end
def test_titleize
MixtureToTitleCase.each do |before, titleized|
assert_equal(titleized, before.titleize)
end
end
def test_camelize
CamelToUnderscore.each do |camel, underscore|
assert_equal(camel, underscore.camelize)
end
end
def test_camelize_lower
assert_equal('capital', 'Capital'.camelize(:lower))
end
def test_underscore
CamelToUnderscore.each do |camel, underscore|
assert_equal(underscore, camel.underscore)
end
assert_equal "html_tidy", "HTMLTidy".underscore
assert_equal "html_tidy_generator", "HTMLTidyGenerator".underscore
end
def test_underscore_to_lower_camel
UnderscoreToLowerCamel.each do |underscored, lower_camel|
assert_equal(lower_camel, underscored.camelize(:lower))
end
end
def test_demodulize
assert_equal "Account", "MyApplication::Billing::Account".demodulize
end
def test_deconstantize
assert_equal "MyApplication::Billing", "MyApplication::Billing::Account".deconstantize
end
def test_foreign_key
ClassNameToForeignKeyWithUnderscore.each do |klass, foreign_key|
assert_equal(foreign_key, klass.foreign_key)
end
ClassNameToForeignKeyWithoutUnderscore.each do |klass, foreign_key|
assert_equal(foreign_key, klass.foreign_key(false))
end
end
def test_tableize
ClassNameToTableName.each do |class_name, table_name|
assert_equal(table_name, class_name.tableize)
end
end
def test_classify
ClassNameToTableName.each do |class_name, table_name|
assert_equal(class_name, table_name.classify)
end
end
def test_string_parameterized_normal
StringToParameterized.each do |normal, slugged|
assert_equal(normal.parameterize, slugged)
end
end
def test_string_parameterized_no_separator
StringToParameterizeWithNoSeparator.each do |normal, slugged|
assert_equal(normal.parameterize(''), slugged)
end
end
def test_string_parameterized_underscore
StringToParameterizeWithUnderscore.each do |normal, slugged|
assert_equal(normal.parameterize('_'), slugged)
end
end
def test_humanize
UnderscoreToHuman.each do |underscore, human|
assert_equal(human, underscore.humanize)
end
end
def test_ord
assert_equal 97, 'a'.ord
assert_equal 97, 'abc'.ord
end
def test_string_to_time
assert_equal Time.utc(2005, 2, 27, 23, 50), "2005-02-27 23:50".to_time
assert_equal Time.local(2005, 2, 27, 23, 50), "2005-02-27 23:50".to_time(:local)
assert_equal Time.utc(2005, 2, 27, 23, 50, 19, 275038), "2005-02-27T23:50:19.275038".to_time
assert_equal Time.local(2005, 2, 27, 23, 50, 19, 275038), "2005-02-27T23:50:19.275038".to_time(:local)
assert_equal DateTime.civil(2039, 2, 27, 23, 50), "2039-02-27 23:50".to_time
assert_equal Time.local_time(2039, 2, 27, 23, 50), "2039-02-27 23:50".to_time(:local)
assert_equal Time.utc(2011, 2, 27, 23, 50), "2011-02-27 22:50 -0100".to_time
assert_nil "".to_time
end
def test_string_to_datetime
assert_equal DateTime.civil(2039, 2, 27, 23, 50), "2039-02-27 23:50".to_datetime
assert_equal 0, "2039-02-27 23:50".to_datetime.offset # use UTC offset
assert_equal ::Date::ITALY, "2039-02-27 23:50".to_datetime.start # use Ruby's default start value
assert_equal DateTime.civil(2039, 2, 27, 23, 50, 19 + Rational(275038, 1000000), "-04:00"), "2039-02-27T23:50:19.275038-04:00".to_datetime
assert_nil "".to_datetime
end
def test_string_to_date
assert_equal Date.new(2005, 2, 27), "2005-02-27".to_date
assert_nil "".to_date
end
def test_access
s = "hello"
assert_equal "h", s.at(0)
assert_equal "llo", s.from(2)
assert_equal "hel", s.to(2)
assert_equal "h", s.first
assert_equal "he", s.first(2)
assert_equal "", s.first(0)
assert_equal "o", s.last
assert_equal "llo", s.last(3)
assert_equal "hello", s.last(10)
assert_equal "", s.last(0)
assert_equal 'x', 'x'.first
assert_equal 'x', 'x'.first(4)
assert_equal 'x', 'x'.last
assert_equal 'x', 'x'.last(4)
end
def test_access_returns_a_real_string
hash = {}
hash["h"] = true
hash["hello123".at(0)] = true
assert_equal %w(h), hash.keys
hash = {}
hash["llo"] = true
hash["hello".from(2)] = true
assert_equal %w(llo), hash.keys
hash = {}
hash["hel"] = true
hash["hello".to(2)] = true
assert_equal %w(hel), hash.keys
hash = {}
hash["hello"] = true
hash["123hello".last(5)] = true
assert_equal %w(hello), hash.keys
hash = {}
hash["hello"] = true
hash["hello123".first(5)] = true
assert_equal %w(hello), hash.keys
end
def test_starts_ends_with_alias
s = "hello"
assert s.starts_with?('h')
assert s.starts_with?('hel')
assert !s.starts_with?('el')
assert s.ends_with?('o')
assert s.ends_with?('lo')
assert !s.ends_with?('el')
end
def test_string_squish
original = %{ A string with tabs(\t\t), newlines(\n\n), and
many spaces( ). }
expected = "A string with tabs( ), newlines( ), and many spaces( )."
# Make sure squish returns what we expect:
assert_equal original.squish, expected
# But doesn't modify the original string:
assert_not_equal original, expected
# Make sure squish! returns what we expect:
assert_equal original.squish!, expected
# And changes the original string:
assert_equal original, expected
end
def test_string_inquiry
assert "production".inquiry.production?
assert !"production".inquiry.development?
end
def test_truncate
assert_equal "Hello World!", "Hello World!".truncate(12)
assert_equal "Hello Wor...", "Hello World!!".truncate(12)
end
def test_truncate_with_omission_and_seperator
assert_equal "Hello[...]", "Hello World!".truncate(10, :omission => "[...]")
assert_equal "Hello[...]", "Hello Big World!".truncate(13, :omission => "[...]", :separator => ' ')
assert_equal "Hello Big[...]", "Hello Big World!".truncate(14, :omission => "[...]", :separator => ' ')
assert_equal "Hello Big[...]", "Hello Big World!".truncate(15, :omission => "[...]", :separator => ' ')
end
def test_truncate_with_omission_and_regexp_seperator
assert_equal "Hello[...]", "Hello Big World!".truncate(13, :omission => "[...]", :separator => /\s/)
assert_equal "Hello Big[...]", "Hello Big World!".truncate(14, :omission => "[...]", :separator => /\s/)
assert_equal "Hello Big[...]", "Hello Big World!".truncate(15, :omission => "[...]", :separator => /\s/)
end
def test_truncate_multibyte
assert_equal "\354\225\204\353\246\254\353\236\221 \354\225\204\353\246\254 ...".force_encoding('UTF-8'),
"\354\225\204\353\246\254\353\236\221 \354\225\204\353\246\254 \354\225\204\353\235\274\353\246\254\354\230\244".force_encoding('UTF-8').truncate(10)
end
def test_truncate_should_not_be_html_safe
assert !"Hello World!".truncate(12).html_safe?
end
def test_constantize
run_constantize_tests_on do |string|
string.constantize
end
end
def test_safe_constantize
run_safe_constantize_tests_on do |string|
string.safe_constantize
end
end
end
class StringBehaviourTest < ActiveSupport::TestCase
def test_acts_like_string
assert 'Bambi'.acts_like_string?
end
end
class CoreExtStringMultibyteTest < ActiveSupport::TestCase
UNICODE_STRING = 'こにちわ'
ASCII_STRING = 'ohayo'
BYTE_STRING = "\270\236\010\210\245"
def test_core_ext_adds_mb_chars
assert_respond_to UNICODE_STRING, :mb_chars
end
def test_string_should_recognize_utf8_strings
assert UNICODE_STRING.is_utf8?
assert ASCII_STRING.is_utf8?
assert !BYTE_STRING.is_utf8?
end
def test_mb_chars_returns_instance_of_proxy_class
assert_kind_of ActiveSupport::Multibyte.proxy_class, UNICODE_STRING.mb_chars
end
end
class OutputSafetyTest < ActiveSupport::TestCase
def setup
@string = "hello"
@object = Class.new(Object) do
def to_s
"other"
end
end.new
end
test "A string is unsafe by default" do
assert !@string.html_safe?
end
test "A string can be marked safe" do
string = @string.html_safe
assert string.html_safe?
end
test "Marking a string safe returns the string" do
assert_equal @string, @string.html_safe
end
test "A fixnum is safe by default" do
assert 5.html_safe?
end
test "a float is safe by default" do
assert 5.7.html_safe?
end
test "An object is unsafe by default" do
assert !@object.html_safe?
end
test "Adding an object to a safe string returns a safe string" do
string = @string.html_safe
string << @object
assert_equal "helloother", string
assert string.html_safe?
end
test "Adding a safe string to another safe string returns a safe string" do
@other_string = "other".html_safe
string = @string.html_safe
@combination = @other_string + string
assert_equal "otherhello", @combination
assert @combination.html_safe?
end
test "Adding an unsafe string to a safe string escapes it and returns a safe string" do
@other_string = "other".html_safe
@combination = @other_string + "<foo>"
@other_combination = @string + "<foo>"
assert_equal "other<foo>", @combination
assert_equal "hello<foo>", @other_combination
assert @combination.html_safe?
assert !@other_combination.html_safe?
end
test "Concatting safe onto unsafe yields unsafe" do
@other_string = "other"
string = @string.html_safe
@other_string.concat(string)
assert !@other_string.html_safe?
end
test "Concatting unsafe onto safe yields escaped safe" do
@other_string = "other".html_safe
string = @other_string.concat("<foo>")
assert_equal "other<foo>", string
assert string.html_safe?
end
test "Concatting safe onto safe yields safe" do
@other_string = "other".html_safe
string = @string.html_safe
@other_string.concat(string)
assert @other_string.html_safe?
end
test "Concatting safe onto unsafe with << yields unsafe" do
@other_string = "other"
string = @string.html_safe
@other_string << string
assert !@other_string.html_safe?
end
test "Concatting unsafe onto safe with << yields escaped safe" do
@other_string = "other".html_safe
string = @other_string << "<foo>"
assert_equal "other<foo>", string
assert string.html_safe?
end
test "Concatting safe onto safe with << yields safe" do
@other_string = "other".html_safe
string = @string.html_safe
@other_string << string
assert @other_string.html_safe?
end
test "Concatting safe onto unsafe with % yields unsafe" do
@other_string = "other%s"
string = @string.html_safe
@other_string = @other_string % string
assert !@other_string.html_safe?
end
test "Concatting unsafe onto safe with % yields escaped safe" do
@other_string = "other%s".html_safe
string = @other_string % "<foo>"
assert_equal "other<foo>", string
assert string.html_safe?
end
test "Concatting safe onto safe with % yields safe" do
@other_string = "other%s".html_safe
string = @string.html_safe
@other_string = @other_string % string
assert @other_string.html_safe?
end
test "Concatting with % doesn't modify a string" do
@other_string = ["<p>", "<b>", "<h1>"]
_ = "%s %s %s".html_safe % @other_string
assert_equal ["<p>", "<b>", "<h1>"], @other_string
end
test "Concatting a fixnum to safe always yields safe" do
string = @string.html_safe
string = string.concat(13)
assert_equal "hello".concat(13), string
assert string.html_safe?
end
test 'emits normal string yaml' do
assert_equal 'foo'.to_yaml, 'foo'.html_safe.to_yaml(:foo => 1)
end
test 'knows whether it is encoding aware' do
assert_deprecated do
assert 'ruby'.encoding_aware?
end
end
test "call to_param returns a normal string" do
string = @string.html_safe
assert string.html_safe?
assert !string.to_param.html_safe?
end
test "ERB::Util.html_escape should escape unsafe characters" do
string = '<>&"\''
expected = '<>&"''
assert_equal expected, ERB::Util.html_escape(string)
end
test "ERB::Util.html_escape should correctly handle invalid UTF-8 strings" do
string = [192, 60].pack('CC')
expected = 192.chr + "<"
assert_equal expected, ERB::Util.html_escape(string)
end
test "ERB::Util.html_escape should not escape safe strings" do
string = "<b>hello</b>".html_safe
assert_equal string, ERB::Util.html_escape(string)
end
end
class StringExcludeTest < ActiveSupport::TestCase
test 'inverse of #include' do
assert_equal false, 'foo'.exclude?('o')
assert_equal true, 'foo'.exclude?('p')
end
end
class StringIndentTest < ActiveSupport::TestCase
test 'does not indent strings that only contain newlines (edge cases)' do
['', "\n", "\n" * 7].each do |str|
assert_nil str.indent!(8)
assert_equal str, str.indent(8)
assert_equal str, str.indent(1, "\t")
end
end
test "by default, indents with spaces if the existing indentation uses them" do
assert_equal " foo\n bar", "foo\n bar".indent(4)
end
test "by default, indents with tabs if the existing indentation uses them" do
assert_equal "\tfoo\n\t\t\bar", "foo\n\t\bar".indent(1)
end
test "by default, indents with spaces as a fallback if there is no indentation" do
assert_equal " foo\n bar\n baz", "foo\nbar\nbaz".indent(3)
end
# Nothing is said about existing indentation that mixes spaces and tabs, so
# there is nothing to test.
test 'uses the indent char if passed' do
assert_equal <<EXPECTED, <<ACTUAL.indent(4, '.')
.... def some_method(x, y)
.... some_code
.... end
EXPECTED
def some_method(x, y)
some_code
end
ACTUAL
assert_equal <<EXPECTED, <<ACTUAL.indent(2, ' ')
def some_method(x, y)
some_code
end
EXPECTED
def some_method(x, y)
some_code
end
ACTUAL
end
test "does not indent blank lines by default" do
assert_equal " foo\n\n bar", "foo\n\nbar".indent(1)
end
test 'indents blank lines if told so' do
assert_equal " foo\n \n bar", "foo\n\nbar".indent(1, nil, true)
end
end
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