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# frozen_string_literal: true
require "cases/helper"
require "models/person"
require "models/topic"
require "pp"
require "models/cpk"
class NonExistentTable < ActiveRecord::Base; end
class CoreTest < ActiveRecord::TestCase
fixtures :topics
def test_inspect_class
assert_equal "ActiveRecord::Base", ActiveRecord::Base.inspect
assert_equal "LoosePerson(abstract)", LoosePerson.inspect
assert_match(/^Topic\(id: integer, title: string/, Topic.inspect)
end
def test_inspect_instance
topic = topics(:first)
assert_equal %(#<Topic id: 1, title: "The First Topic", author_name: "David", author_email_address: "david@loudthinking.com", written_on: "#{topic.written_on.to_fs(:inspect)}", bonus_time: "#{topic.bonus_time.to_fs(:inspect)}", last_read: "#{topic.last_read.to_fs(:inspect)}", content: "Have a nice day", important: nil, binary_content: nil, approved: false, replies_count: 1, unique_replies_count: 0, parent_id: nil, parent_title: nil, type: nil, group: nil, created_at: "#{topic.created_at.to_fs(:inspect)}", updated_at: "#{topic.updated_at.to_fs(:inspect)}">), topic.inspect
end
def test_inspect_includes_attributes_from_attributes_for_inspect
Topic.stub(:attributes_for_inspect, [:id, :title, :author_name]) do
topic = topics(:first)
assert_equal %(#<Topic id: 1, title: "The First Topic", author_name: "David">), topic.inspect
end
end
def test_inspect_instance_with_lambda_date_formatter
before = Time::DATE_FORMATS[:inspect]
Topic.stub(:attributes_for_inspect, [:id, :last_read]) do
Time::DATE_FORMATS[:inspect] = ->(date) { "my_format" }
topic = topics(:first)
assert_equal %(#<Topic id: 1, last_read: "2004-04-15">), topic.inspect
end
ensure
Time::DATE_FORMATS[:inspect] = before
end
def test_inspect_new_instance
assert_match(/Topic id: nil/, Topic.new.inspect)
end
def test_inspect_singleton_instance
assert_match(/#<Class:#<Topic:\w+>>/, Topic.new.singleton_class.inspect)
end
def test_inspect_limited_select_instance
Topic.stub(:attributes_for_inspect, [:id, :title]) do
assert_equal %(#<Topic id: 1>), Topic.all.merge!(select: "id", where: "id = 1").first.inspect
assert_equal %(#<Topic id: 1, title: "The First Topic">), Topic.all.merge!(select: "id, title", where: "id = 1").first.inspect
end
end
def test_inspect_instance_with_non_primary_key_id_attribute
topic = topics(:first).becomes(TitlePrimaryKeyTopic)
assert_match(/id: 1/, topic.inspect)
end
def test_inspect_class_without_table
assert_equal "NonExistentTable(Table doesn't exist)", NonExistentTable.inspect
end
def test_inspect_with_attributes_for_inspect_all_lists_all_attributes
Topic.stub(:attributes_for_inspect, :all) do
topic = topics(:first)
assert_equal <<~STRING.squish, topic.inspect
#<Topic id: 1, title: "The First Topic", author_name: "David", author_email_address: "david@loudthinking.com", written_on: "#{topic.written_on.to_fs(:inspect)}", bonus_time: "#{topic.bonus_time.to_fs(:inspect)}", last_read: "#{topic.last_read.to_fs(:inspect)}", content: "Have a nice day", important: nil, binary_content: nil, approved: false, replies_count: 1, unique_replies_count: 0, parent_id: nil, parent_title: nil, type: nil, group: nil, created_at: "#{topic.created_at.to_fs(:inspect)}", updated_at: "#{topic.updated_at.to_fs(:inspect)}">
STRING
end
end
def test_inspect_relation_with_virtual_field
relation = Topic.limit(1).select("1 as virtual_field")
assert_match(/virtual_field: 1/, relation.first.full_inspect)
end
def test_inspect_with_overridden_attribute_for_inspect
topic = topics(:first)
topic.instance_eval do
def attribute_for_inspect(attr_name)
if attr_name == "title"
title.upcase.inspect
else
super
end
end
end
assert_match(/title: "THE FIRST TOPIC"/, topic.full_inspect)
end
def test_full_inspect_lists_all_attributes
topic = topics(:first)
assert_equal <<~STRING.squish, topic.full_inspect
#<Topic id: 1, title: "The First Topic", author_name: "David", author_email_address: "david@loudthinking.com", written_on: "#{topic.written_on.to_fs(:inspect)}", bonus_time: "#{topic.bonus_time.to_fs(:inspect)}", last_read: "#{topic.last_read.to_fs(:inspect)}", content: "Have a nice day", important: nil, binary_content: nil, approved: false, replies_count: 1, unique_replies_count: 0, parent_id: nil, parent_title: nil, type: nil, group: nil, created_at: "#{topic.created_at.to_fs(:inspect)}", updated_at: "#{topic.updated_at.to_fs(:inspect)}">
STRING
end
def test_pretty_print_new
topic = Topic.new
actual = +""
PP.pp(topic, StringIO.new(actual))
expected = <<~PRETTY
#<Topic:0xXXXXXX
id: nil,
title: nil,
author_name: nil,
author_email_address: "test@test.com",
written_on: nil,
bonus_time: nil,
last_read: nil,
content: nil,
important: nil,
binary_content: nil,
approved: true,
replies_count: 0,
unique_replies_count: 0,
parent_id: nil,
parent_title: nil,
type: nil,
group: nil,
created_at: nil,
updated_at: nil>
PRETTY
assert actual.start_with?(expected.split("XXXXXX").first)
assert actual.end_with?(expected.split("XXXXXX").last)
end
def test_pretty_print_persisted
topic = topics(:first)
actual = +""
PP.pp(topic, StringIO.new(actual))
expected = <<~PRETTY
#<Topic:0x\\w+
id: 1,
title: "The First Topic",
author_name: "David",
author_email_address: "david@loudthinking.com",
written_on: "2003-07-16 14:28:11\\.223300000 \\+0000",
bonus_time: "2000-01-01 14:28:00\\.000000000 \\+0000",
last_read: "2004-04-15",
content: "Have a nice day",
important: nil,
binary_content: nil,
approved: false,
replies_count: 1,
unique_replies_count: 0,
parent_id: nil,
parent_title: nil,
type: nil,
group: nil,
created_at: [^,]+,
updated_at: [^,>]+>
PRETTY
assert_match(/\A#{expected}\z/, actual)
end
def test_pretty_print_full
Topic.stub(:attributes_for_inspect, :all) do
topic = topics(:first)
actual = +""
PP.pp(topic, StringIO.new(actual))
expected = <<~PRETTY
#<Topic:0x\\w+
id: 1,
title: "The First Topic",
author_name: "David",
author_email_address: "david@loudthinking.com",
written_on: "2003-07-16 14:28:11\\.223300000 \\+0000",
bonus_time: "2000-01-01 14:28:00\\.000000000 \\+0000",
last_read: "2004-04-15",
content: "Have a nice day",
important: nil,
binary_content: nil,
approved: false,
replies_count: 1,
unique_replies_count: 0,
parent_id: nil,
parent_title: nil,
type: nil,
group: nil,
created_at: [^,]+,
updated_at: [^,>]+>
PRETTY
assert_match(/\A#{expected}\z/, actual)
end
end
def test_pretty_print_uninitialized
topic = Topic.allocate
actual = +""
PP.pp(topic, StringIO.new(actual))
expected = "#<Topic:XXXXXX not initialized>\n"
assert actual.start_with?(expected.split("XXXXXX").first)
assert actual.end_with?(expected.split("XXXXXX").last)
end
def test_pretty_print_overridden_by_inspect
subtopic = Class.new(Topic) do
def inspect
"inspecting topic"
end
end
actual = +""
PP.pp(subtopic.new, StringIO.new(actual))
assert_equal "inspecting topic\n", actual
end
def test_pretty_print_with_non_primary_key_id_attribute
topic = topics(:first).becomes(TitlePrimaryKeyTopic)
actual = +""
PP.pp(topic, StringIO.new(actual))
assert_match(/id: 1/, actual)
end
def test_pretty_print_with_overridden_attribute_for_inspect
topic = topics(:first)
topic.instance_eval do
def attribute_for_inspect(attr_name)
if attr_name == "title"
title.upcase.inspect
else
super
end
end
end
Topic.stub(:attributes_for_inspect, :all) do
actual = +""
PP.pp(topic, StringIO.new(actual))
assert_match(/title: "THE FIRST TOPIC"/, actual)
end
end
def test_find_by_cache_does_not_duplicate_entries
Topic.initialize_find_by_cache
using_prepared_statements = Topic.lease_connection.prepared_statements
topic_find_by_cache = Topic.instance_variable_get("@find_by_statement_cache")[using_prepared_statements]
assert_difference -> { topic_find_by_cache.size }, +1 do
Topic.find(1)
end
assert_no_difference -> { topic_find_by_cache.size } do
Topic.find_by(id: 1)
end
end
def test_composite_pk_models_added_to_a_set
library = Set.new
# with primary key present
library << Cpk::Book.new(id: [1, 2])
# duplicate
library << Cpk::Book.new(id: [1, 3])
library << Cpk::Book.new(id: [1, 3])
# without primary key being set
library << Cpk::Book.new(title: "Book A")
library << Cpk::Book.new(title: "Book B")
assert_equal 4, library.size
end
def test_composite_pk_models_equality
assert Cpk::Book.new(id: [1, 2]) == Cpk::Book.new(id: [1, 2])
assert_not Cpk::Book.new(id: [1, 2]) == Cpk::Book.new(id: [1, 3])
assert_not Cpk::Book.new == Cpk::Book.new
assert_not Cpk::Book.new(title: "Book A") == Cpk::Book.new(title: "Book B")
assert_not Cpk::Book.new(author_id: 1) == Cpk::Book.new(author_id: 1)
assert_not Cpk::Book.new(author_id: 1, title: "Same title") == Cpk::Book.new(author_id: 1, title: "Same title")
end
def test_composite_pk_models_hash
assert_equal Cpk::Book.new(id: [1, 2]).hash, Cpk::Book.new(id: [1, 2]).hash
assert_not_equal Cpk::Book.new(id: [1, 2]).hash, Cpk::Book.new(id: [1, 3]).hash
assert_not_equal Cpk::Book.new.hash, Cpk::Book.new.hash
assert_not_equal Cpk::Book.new(title: "Book A").hash, Cpk::Book.new(title: "Book B").hash
assert_not_equal Cpk::Book.new(author_id: 1).hash, Cpk::Book.new(author_id: 1).hash
assert_not_equal Cpk::Book.new(author_id: 1, title: "Same title").hash, Cpk::Book.new(author_id: 1, title: "Same title").hash
end
end
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