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require 'abstract_unit'
require 'active_support/inflector'
require 'inflector_test_cases'
require 'constantize_test_cases'
class InflectorTest < ActiveSupport::TestCase
include InflectorTestCases
include ConstantizeTestCases
def test_pluralize_plurals
assert_equal "plurals", ActiveSupport::Inflector.pluralize("plurals")
assert_equal "Plurals", ActiveSupport::Inflector.pluralize("Plurals")
end
def test_pluralize_empty_string
assert_equal "", ActiveSupport::Inflector.pluralize("")
end
ActiveSupport::Inflector.inflections.uncountable.each do |word|
define_method "test_uncountability_of_#{word}" do
assert_equal word, ActiveSupport::Inflector.singularize(word)
assert_equal word, ActiveSupport::Inflector.pluralize(word)
assert_equal ActiveSupport::Inflector.pluralize(word), ActiveSupport::Inflector.singularize(word)
end
end
def test_uncountable_word_is_not_greedy
with_dup do
uncountable_word = "ors"
countable_word = "sponsor"
ActiveSupport::Inflector.inflections.uncountable << uncountable_word
assert_equal uncountable_word, ActiveSupport::Inflector.singularize(uncountable_word)
assert_equal uncountable_word, ActiveSupport::Inflector.pluralize(uncountable_word)
assert_equal ActiveSupport::Inflector.pluralize(uncountable_word), ActiveSupport::Inflector.singularize(uncountable_word)
assert_equal "sponsor", ActiveSupport::Inflector.singularize(countable_word)
assert_equal "sponsors", ActiveSupport::Inflector.pluralize(countable_word)
assert_equal "sponsor", ActiveSupport::Inflector.singularize(ActiveSupport::Inflector.pluralize(countable_word))
end
end
SingularToPlural.each do |singular, plural|
define_method "test_pluralize_singular_#{singular}" do
assert_equal(plural, ActiveSupport::Inflector.pluralize(singular))
assert_equal(plural.capitalize, ActiveSupport::Inflector.pluralize(singular.capitalize))
end
end
SingularToPlural.each do |singular, plural|
define_method "test_singularize_plural_#{plural}" do
assert_equal(singular, ActiveSupport::Inflector.singularize(plural))
assert_equal(singular.capitalize, ActiveSupport::Inflector.singularize(plural.capitalize))
end
end
SingularToPlural.each do |singular, plural|
define_method "test_pluralize_plural_#{plural}" do
assert_equal(plural, ActiveSupport::Inflector.pluralize(plural))
assert_equal(plural.capitalize, ActiveSupport::Inflector.pluralize(plural.capitalize))
end
end
SingularToPlural.each do |singular, plural|
define_method "test_singularize_singular_#{singular}" do
assert_equal(singular, ActiveSupport::Inflector.singularize(singular))
assert_equal(singular.capitalize, ActiveSupport::Inflector.singularize(singular.capitalize))
end
end
def test_overwrite_previous_inflectors
assert_equal("series", ActiveSupport::Inflector.singularize("series"))
ActiveSupport::Inflector.inflections.singular "series", "serie"
assert_equal("serie", ActiveSupport::Inflector.singularize("series"))
ActiveSupport::Inflector.inflections.uncountable "series" # Return to normal
end
MixtureToTitleCase.each do |before, titleized|
define_method "test_titleize_#{before}" do
assert_equal(titleized, ActiveSupport::Inflector.titleize(before))
end
end
def test_camelize
CamelToUnderscore.each do |camel, underscore|
assert_equal(camel, ActiveSupport::Inflector.camelize(underscore))
end
end
def test_camelize_with_lower_downcases_the_first_letter
assert_equal('capital', ActiveSupport::Inflector.camelize('Capital', false))
end
def test_camelize_with_underscores
assert_equal("CamelCase", ActiveSupport::Inflector.camelize('Camel_Case'))
end
def test_acronyms
ActiveSupport::Inflector.inflections do |inflect|
inflect.acronym("API")
inflect.acronym("HTML")
inflect.acronym("HTTP")
inflect.acronym("RESTful")
inflect.acronym("W3C")
inflect.acronym("PhD")
inflect.acronym("RoR")
inflect.acronym("SSL")
end
# camelize underscore humanize titleize
[
["API", "api", "API", "API"],
["APIController", "api_controller", "API controller", "API Controller"],
["Nokogiri::HTML", "nokogiri/html", "Nokogiri/HTML", "Nokogiri/HTML"],
["HTTPAPI", "http_api", "HTTP API", "HTTP API"],
["HTTP::Get", "http/get", "HTTP/get", "HTTP/Get"],
["SSLError", "ssl_error", "SSL error", "SSL Error"],
["RESTful", "restful", "RESTful", "RESTful"],
["RESTfulController", "restful_controller", "RESTful controller", "RESTful Controller"],
["IHeartW3C", "i_heart_w3c", "I heart W3C", "I Heart W3C"],
["PhDRequired", "phd_required", "PhD required", "PhD Required"],
["IRoRU", "i_ror_u", "I RoR u", "I RoR U"],
["RESTfulHTTPAPI", "restful_http_api", "RESTful HTTP API", "RESTful HTTP API"],
# misdirection
["Capistrano", "capistrano", "Capistrano", "Capistrano"],
["CapiController", "capi_controller", "Capi controller", "Capi Controller"],
["HttpsApis", "https_apis", "Https apis", "Https Apis"],
["Html5", "html5", "Html5", "Html5"],
["Restfully", "restfully", "Restfully", "Restfully"],
["RoRails", "ro_rails", "Ro rails", "Ro Rails"]
].each do |camel, under, human, title|
assert_equal(camel, ActiveSupport::Inflector.camelize(under))
assert_equal(camel, ActiveSupport::Inflector.camelize(camel))
assert_equal(under, ActiveSupport::Inflector.underscore(under))
assert_equal(under, ActiveSupport::Inflector.underscore(camel))
assert_equal(title, ActiveSupport::Inflector.titleize(under))
assert_equal(title, ActiveSupport::Inflector.titleize(camel))
assert_equal(human, ActiveSupport::Inflector.humanize(under))
end
end
def test_acronym_override
ActiveSupport::Inflector.inflections do |inflect|
inflect.acronym("API")
inflect.acronym("LegacyApi")
end
assert_equal("LegacyApi", ActiveSupport::Inflector.camelize("legacyapi"))
assert_equal("LegacyAPI", ActiveSupport::Inflector.camelize("legacy_api"))
assert_equal("SomeLegacyApi", ActiveSupport::Inflector.camelize("some_legacyapi"))
assert_equal("Nonlegacyapi", ActiveSupport::Inflector.camelize("nonlegacyapi"))
end
def test_acronyms_camelize_lower
ActiveSupport::Inflector.inflections do |inflect|
inflect.acronym("API")
inflect.acronym("HTML")
end
assert_equal("htmlAPI", ActiveSupport::Inflector.camelize("html_api", false))
assert_equal("htmlAPI", ActiveSupport::Inflector.camelize("htmlAPI", false))
assert_equal("htmlAPI", ActiveSupport::Inflector.camelize("HTMLAPI", false))
end
def test_underscore_acronym_sequence
ActiveSupport::Inflector.inflections do |inflect|
inflect.acronym("API")
inflect.acronym("JSON")
inflect.acronym("HTML")
end
assert_equal("json_html_api", ActiveSupport::Inflector.underscore("JSONHTMLAPI"))
end
def test_underscore
CamelToUnderscore.each do |camel, underscore|
assert_equal(underscore, ActiveSupport::Inflector.underscore(camel))
end
CamelToUnderscoreWithoutReverse.each do |camel, underscore|
assert_equal(underscore, ActiveSupport::Inflector.underscore(camel))
end
end
def test_camelize_with_module
CamelWithModuleToUnderscoreWithSlash.each do |camel, underscore|
assert_equal(camel, ActiveSupport::Inflector.camelize(underscore))
end
end
def test_underscore_with_slashes
CamelWithModuleToUnderscoreWithSlash.each do |camel, underscore|
assert_equal(underscore, ActiveSupport::Inflector.underscore(camel))
end
end
def test_demodulize
assert_equal "Account", ActiveSupport::Inflector.demodulize("MyApplication::Billing::Account")
assert_equal "Account", ActiveSupport::Inflector.demodulize("Account")
assert_equal "", ActiveSupport::Inflector.demodulize("")
end
def test_deconstantize
assert_equal "MyApplication::Billing", ActiveSupport::Inflector.deconstantize("MyApplication::Billing::Account")
assert_equal "::MyApplication::Billing", ActiveSupport::Inflector.deconstantize("::MyApplication::Billing::Account")
assert_equal "MyApplication", ActiveSupport::Inflector.deconstantize("MyApplication::Billing")
assert_equal "::MyApplication", ActiveSupport::Inflector.deconstantize("::MyApplication::Billing")
assert_equal "", ActiveSupport::Inflector.deconstantize("Account")
assert_equal "", ActiveSupport::Inflector.deconstantize("::Account")
assert_equal "", ActiveSupport::Inflector.deconstantize("")
end
def test_foreign_key
ClassNameToForeignKeyWithUnderscore.each do |klass, foreign_key|
assert_equal(foreign_key, ActiveSupport::Inflector.foreign_key(klass))
end
ClassNameToForeignKeyWithoutUnderscore.each do |klass, foreign_key|
assert_equal(foreign_key, ActiveSupport::Inflector.foreign_key(klass, false))
end
end
def test_tableize
ClassNameToTableName.each do |class_name, table_name|
assert_equal(table_name, ActiveSupport::Inflector.tableize(class_name))
end
end
def test_parameterize
StringToParameterized.each do |some_string, parameterized_string|
assert_equal(parameterized_string, ActiveSupport::Inflector.parameterize(some_string))
end
end
def test_parameterize_and_normalize
StringToParameterizedAndNormalized.each do |some_string, parameterized_string|
assert_equal(parameterized_string, ActiveSupport::Inflector.parameterize(some_string))
end
end
def test_parameterize_with_custom_separator
StringToParameterizeWithUnderscore.each do |some_string, parameterized_string|
assert_equal(parameterized_string, ActiveSupport::Inflector.parameterize(some_string, '_'))
end
end
def test_parameterize_with_multi_character_separator
StringToParameterized.each do |some_string, parameterized_string|
assert_equal(parameterized_string.gsub('-', '__sep__'), ActiveSupport::Inflector.parameterize(some_string, '__sep__'))
end
end
def test_classify
ClassNameToTableName.each do |class_name, table_name|
assert_equal(class_name, ActiveSupport::Inflector.classify(table_name))
assert_equal(class_name, ActiveSupport::Inflector.classify("table_prefix." + table_name))
end
end
def test_classify_with_symbol
assert_nothing_raised do
assert_equal 'FooBar', ActiveSupport::Inflector.classify(:foo_bars)
end
end
def test_classify_with_leading_schema_name
assert_equal 'FooBar', ActiveSupport::Inflector.classify('schema.foo_bar')
end
def test_humanize
UnderscoreToHuman.each do |underscore, human|
assert_equal(human, ActiveSupport::Inflector.humanize(underscore))
end
end
def test_humanize_by_rule
ActiveSupport::Inflector.inflections do |inflect|
inflect.human(/_cnt$/i, '\1_count')
inflect.human(/^prefx_/i, '\1')
end
assert_equal("Jargon count", ActiveSupport::Inflector.humanize("jargon_cnt"))
assert_equal("Request", ActiveSupport::Inflector.humanize("prefx_request"))
end
def test_humanize_by_string
ActiveSupport::Inflector.inflections do |inflect|
inflect.human("col_rpted_bugs", "Reported bugs")
end
assert_equal("Reported bugs", ActiveSupport::Inflector.humanize("col_rpted_bugs"))
assert_equal("Col rpted bugs", ActiveSupport::Inflector.humanize("COL_rpted_bugs"))
end
def test_constantize
run_constantize_tests_on do |string|
ActiveSupport::Inflector.constantize(string)
end
end
def test_safe_constantize
run_safe_constantize_tests_on do |string|
ActiveSupport::Inflector.safe_constantize(string)
end
end
def test_ordinal
OrdinalNumbers.each do |number, ordinalized|
assert_equal(ordinalized, number + ActiveSupport::Inflector.ordinal(number))
end
end
def test_ordinalize
OrdinalNumbers.each do |number, ordinalized|
assert_equal(ordinalized, ActiveSupport::Inflector.ordinalize(number))
end
end
def test_dasherize
UnderscoresToDashes.each do |underscored, dasherized|
assert_equal(dasherized, ActiveSupport::Inflector.dasherize(underscored))
end
end
def test_underscore_as_reverse_of_dasherize
UnderscoresToDashes.each do |underscored, dasherized|
assert_equal(underscored, ActiveSupport::Inflector.underscore(ActiveSupport::Inflector.dasherize(underscored)))
end
end
def test_underscore_to_lower_camel
UnderscoreToLowerCamel.each do |underscored, lower_camel|
assert_equal(lower_camel, ActiveSupport::Inflector.camelize(underscored, false))
end
end
def test_symbol_to_lower_camel
SymbolToLowerCamel.each do |symbol, lower_camel|
assert_equal(lower_camel, ActiveSupport::Inflector.camelize(symbol, false))
end
end
%w{plurals singulars uncountables humans}.each do |inflection_type|
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def test_clear_#{inflection_type}
with_dup do
ActiveSupport::Inflector.inflections.clear :#{inflection_type}
assert ActiveSupport::Inflector.inflections.#{inflection_type}.empty?, \"#{inflection_type} inflections should be empty after clear :#{inflection_type}\"
end
end
RUBY
end
def test_inflector_locality
ActiveSupport::Inflector.inflections(:es) do |inflect|
inflect.plural(/$/, 's')
inflect.plural(/z$/i, 'ces')
inflect.singular(/s$/, '')
inflect.singular(/es$/, '')
inflect.irregular('el', 'los')
end
assert_equal('hijos', 'hijo'.pluralize(:es))
assert_equal('luces', 'luz'.pluralize(:es))
assert_equal('luzs', 'luz'.pluralize)
assert_equal('sociedad', 'sociedades'.singularize(:es))
assert_equal('sociedade', 'sociedades'.singularize)
assert_equal('los', 'el'.pluralize(:es))
assert_equal('els', 'el'.pluralize)
ActiveSupport::Inflector.inflections(:es) { |inflect| inflect.clear }
assert ActiveSupport::Inflector.inflections(:es).plurals.empty?
assert ActiveSupport::Inflector.inflections(:es).singulars.empty?
assert !ActiveSupport::Inflector.inflections.plurals.empty?
assert !ActiveSupport::Inflector.inflections.singulars.empty?
end
def test_clear_all
with_dup do
ActiveSupport::Inflector.inflections do |inflect|
# ensure any data is present
inflect.plural(/(quiz)$/i, '\1zes')
inflect.singular(/(database)s$/i, '\1')
inflect.uncountable('series')
inflect.human("col_rpted_bugs", "Reported bugs")
inflect.clear :all
assert inflect.plurals.empty?
assert inflect.singulars.empty?
assert inflect.uncountables.empty?
assert inflect.humans.empty?
end
end
end
def test_clear_with_default
with_dup do
ActiveSupport::Inflector.inflections do |inflect|
# ensure any data is present
inflect.plural(/(quiz)$/i, '\1zes')
inflect.singular(/(database)s$/i, '\1')
inflect.uncountable('series')
inflect.human("col_rpted_bugs", "Reported bugs")
inflect.clear
assert inflect.plurals.empty?
assert inflect.singulars.empty?
assert inflect.uncountables.empty?
assert inflect.humans.empty?
end
end
end
Irregularities.each do |irregularity|
singular, plural = *irregularity
ActiveSupport::Inflector.inflections do |inflect|
define_method("test_irregularity_between_#{singular}_and_#{plural}") do
inflect.irregular(singular, plural)
assert_equal singular, ActiveSupport::Inflector.singularize(plural)
assert_equal plural, ActiveSupport::Inflector.pluralize(singular)
end
end
end
Irregularities.each do |irregularity|
singular, plural = *irregularity
ActiveSupport::Inflector.inflections do |inflect|
define_method("test_pluralize_of_irregularity_#{plural}_should_be_the_same") do
inflect.irregular(singular, plural)
assert_equal plural, ActiveSupport::Inflector.pluralize(plural)
end
end
end
Irregularities.each do |irregularity|
singular, plural = *irregularity
ActiveSupport::Inflector.inflections do |inflect|
define_method("test_singularize_of_irregularity_#{singular}_should_be_the_same") do
inflect.irregular(singular, plural)
assert_equal singular, ActiveSupport::Inflector.singularize(singular)
end
end
end
[ :all, [] ].each do |scope|
ActiveSupport::Inflector.inflections do |inflect|
define_method("test_clear_inflections_with_#{scope.kind_of?(Array) ? "no_arguments" : scope}") do
# save all the inflections
singulars, plurals, uncountables = inflect.singulars, inflect.plurals, inflect.uncountables
# clear all the inflections
inflect.clear(*scope)
assert_equal [], inflect.singulars
assert_equal [], inflect.plurals
assert_equal [], inflect.uncountables
# restore all the inflections
singulars.reverse.each { |singular| inflect.singular(*singular) }
plurals.reverse.each { |plural| inflect.plural(*plural) }
inflect.uncountable(uncountables)
assert_equal singulars, inflect.singulars
assert_equal plurals, inflect.plurals
assert_equal uncountables, inflect.uncountables
end
end
end
%w(plurals singulars uncountables humans acronyms).each do |scope|
ActiveSupport::Inflector.inflections do |inflect|
define_method("test_clear_inflections_with_#{scope}") do
with_dup do
# clear the inflections
inflect.clear(scope)
assert_equal [], inflect.send(scope)
end
end
end
end
# Dups the singleton and yields, restoring the original inflections later.
# Use this in tests what modify the state of the singleton.
#
# This helper is implemented by setting @__instance__ because in some tests
# there are module functions that access ActiveSupport::Inflector.inflections,
# so we need to replace the singleton itself.
def with_dup
original = ActiveSupport::Inflector::Inflections.instance_variable_get(:@__instance__)
ActiveSupport::Inflector::Inflections.instance_variable_set(:@__instance__, original.dup)
ensure
ActiveSupport::Inflector::Inflections.instance_variable_set(:@__instance__, original)
end
end
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