mirror of
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synced 2022-11-09 12:12:34 -05:00
491 lines
15 KiB
Ruby
491 lines
15 KiB
Ruby
# frozen_string_literal: true
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require "cases/helper"
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require "models/author"
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require "models/book"
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class EnumTest < ActiveRecord::TestCase
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fixtures :books, :authors
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setup do
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@book = books(:awdr)
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end
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test "query state by predicate" do
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assert @book.published?
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assert_not @book.written?
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assert_not @book.proposed?
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assert @book.read?
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assert @book.in_english?
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assert @book.author_visibility_visible?
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assert @book.illustrator_visibility_visible?
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assert @book.with_medium_font_size?
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assert @book.medium_to_read?
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end
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test "query state with strings" do
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assert_equal "published", @book.status
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assert_equal "read", @book.read_status
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assert_equal "english", @book.language
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assert_equal "visible", @book.author_visibility
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assert_equal "visible", @book.illustrator_visibility
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assert_equal "medium", @book.difficulty
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end
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test "find via scope" do
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assert_equal @book, Book.published.first
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assert_equal @book, Book.read.first
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assert_equal @book, Book.in_english.first
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assert_equal @book, Book.author_visibility_visible.first
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assert_equal @book, Book.illustrator_visibility_visible.first
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assert_equal @book, Book.medium_to_read.first
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assert_equal books(:ddd), Book.forgotten.first
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assert_equal books(:rfr), authors(:david).unpublished_books.first
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end
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test "find via where with values" do
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published, written = Book.statuses[:published], Book.statuses[:written]
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assert_equal @book, Book.where(status: published).first
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assert_not_equal @book, Book.where(status: written).first
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assert_equal @book, Book.where(status: [published]).first
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assert_not_equal @book, Book.where(status: [written]).first
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assert_not_equal @book, Book.where("status <> ?", published).first
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assert_equal @book, Book.where("status <> ?", written).first
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end
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test "find via where with symbols" do
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assert_equal @book, Book.where(status: :published).first
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assert_not_equal @book, Book.where(status: :written).first
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assert_equal @book, Book.where(status: [:published]).first
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assert_not_equal @book, Book.where(status: [:written]).first
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assert_not_equal @book, Book.where.not(status: :published).first
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assert_equal @book, Book.where.not(status: :written).first
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assert_equal books(:ddd), Book.where(read_status: :forgotten).first
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end
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test "find via where with strings" do
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assert_equal @book, Book.where(status: "published").first
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assert_not_equal @book, Book.where(status: "written").first
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assert_equal @book, Book.where(status: ["published"]).first
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assert_not_equal @book, Book.where(status: ["written"]).first
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assert_not_equal @book, Book.where.not(status: "published").first
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assert_equal @book, Book.where.not(status: "written").first
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assert_equal books(:ddd), Book.where(read_status: "forgotten").first
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end
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test "build from scope" do
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assert Book.written.build.written?
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assert_not Book.written.build.proposed?
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end
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test "build from where" do
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assert Book.where(status: Book.statuses[:written]).build.written?
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assert_not Book.where(status: Book.statuses[:written]).build.proposed?
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assert Book.where(status: :written).build.written?
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assert_not Book.where(status: :written).build.proposed?
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assert Book.where(status: "written").build.written?
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assert_not Book.where(status: "written").build.proposed?
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end
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test "update by declaration" do
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@book.written!
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assert @book.written?
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@book.in_english!
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assert @book.in_english?
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@book.author_visibility_visible!
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assert @book.author_visibility_visible?
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end
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test "update by setter" do
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@book.update! status: :written
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assert @book.written?
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end
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test "enum methods are overwritable" do
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assert_equal "do publish work...", @book.published!
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assert @book.published?
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end
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test "direct assignment" do
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@book.status = :written
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assert @book.written?
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end
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test "assign string value" do
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@book.status = "written"
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assert @book.written?
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end
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test "enum changed attributes" do
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old_status = @book.status
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old_language = @book.language
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@book.status = :proposed
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@book.language = :spanish
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assert_equal old_status, @book.changed_attributes[:status]
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assert_equal old_language, @book.changed_attributes[:language]
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end
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test "enum changes" do
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old_status = @book.status
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old_language = @book.language
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@book.status = :proposed
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@book.language = :spanish
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assert_equal [old_status, "proposed"], @book.changes[:status]
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assert_equal [old_language, "spanish"], @book.changes[:language]
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end
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test "enum attribute was" do
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old_status = @book.status
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old_language = @book.language
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@book.status = :published
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@book.language = :spanish
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assert_equal old_status, @book.attribute_was(:status)
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assert_equal old_language, @book.attribute_was(:language)
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end
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test "enum attribute changed" do
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@book.status = :proposed
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@book.language = :french
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assert @book.attribute_changed?(:status)
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assert @book.attribute_changed?(:language)
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end
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test "enum attribute changed to" do
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@book.status = :proposed
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@book.language = :french
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assert @book.attribute_changed?(:status, to: "proposed")
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assert @book.attribute_changed?(:language, to: "french")
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end
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test "enum attribute changed from" do
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old_status = @book.status
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old_language = @book.language
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@book.status = :proposed
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@book.language = :french
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assert @book.attribute_changed?(:status, from: old_status)
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assert @book.attribute_changed?(:language, from: old_language)
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end
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test "enum attribute changed from old status to new status" do
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old_status = @book.status
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old_language = @book.language
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@book.status = :proposed
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@book.language = :french
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assert @book.attribute_changed?(:status, from: old_status, to: "proposed")
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assert @book.attribute_changed?(:language, from: old_language, to: "french")
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end
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test "enum didn't change" do
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old_status = @book.status
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@book.status = old_status
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assert_not @book.attribute_changed?(:status)
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end
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test "persist changes that are dirty" do
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@book.status = :proposed
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assert @book.attribute_changed?(:status)
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@book.status = :written
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assert @book.attribute_changed?(:status)
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end
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test "reverted changes that are not dirty" do
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old_status = @book.status
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@book.status = :proposed
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assert @book.attribute_changed?(:status)
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@book.status = old_status
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assert_not @book.attribute_changed?(:status)
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end
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test "reverted changes are not dirty going from nil to value and back" do
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book = Book.create!(nullable_status: nil)
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book.nullable_status = :married
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assert book.attribute_changed?(:nullable_status)
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book.nullable_status = nil
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assert_not book.attribute_changed?(:nullable_status)
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end
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test "assign non existing value raises an error" do
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e = assert_raises(ArgumentError) do
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@book.status = :unknown
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end
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assert_equal "'unknown' is not a valid status", e.message
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end
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test "NULL values from database should be casted to nil" do
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Book.where(id: @book.id).update_all("status = NULL")
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assert_nil @book.reload.status
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end
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test "assign nil value" do
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@book.status = nil
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assert_nil @book.status
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end
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test "assign empty string value" do
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@book.status = ""
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assert_nil @book.status
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end
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test "assign long empty string value" do
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@book.status = " "
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assert_nil @book.status
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end
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test "constant to access the mapping" do
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assert_equal 0, Book.statuses[:proposed]
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assert_equal 1, Book.statuses["written"]
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assert_equal 2, Book.statuses[:published]
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end
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test "building new objects with enum scopes" do
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assert Book.written.build.written?
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assert Book.read.build.read?
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assert Book.in_spanish.build.in_spanish?
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assert Book.illustrator_visibility_invisible.build.illustrator_visibility_invisible?
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end
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test "creating new objects with enum scopes" do
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assert Book.written.create.written?
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assert Book.read.create.read?
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assert Book.in_spanish.create.in_spanish?
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assert Book.illustrator_visibility_invisible.create.illustrator_visibility_invisible?
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end
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test "_before_type_cast returns the enum label (required for form fields)" do
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if @book.status_came_from_user?
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assert_equal "published", @book.status_before_type_cast
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else
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assert_equal "published", @book.status
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end
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end
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test "reserved enum names" do
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klass = Class.new(ActiveRecord::Base) do
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self.table_name = "books"
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enum status: [:proposed, :written, :published]
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end
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conflicts = [
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:column, # generates class method .columns, which conflicts with an AR method
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:logger, # generates #logger, which conflicts with an AR method
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:attributes, # generates #attributes=, which conflicts with an AR method
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]
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conflicts.each_with_index do |name, i|
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e = assert_raises(ArgumentError) do
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klass.class_eval { enum name => ["value_#{i}"] }
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end
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assert_match(/You tried to define an enum named \"#{name}\" on the model/, e.message)
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end
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end
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test "reserved enum values" do
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klass = Class.new(ActiveRecord::Base) do
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self.table_name = "books"
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enum status: [:proposed, :written, :published]
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end
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conflicts = [
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:new, # generates a scope that conflicts with an AR class method
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:valid, # generates #valid?, which conflicts with an AR method
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:save, # generates #save!, which conflicts with an AR method
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:proposed, # same value as an existing enum
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:public, :private, :protected, # some important methods on Module and Class
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:name, :parent, :superclass
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]
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conflicts.each_with_index do |value, i|
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e = assert_raises(ArgumentError, "enum value `#{value}` should not be allowed") do
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klass.class_eval { enum "status_#{i}" => [value] }
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end
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assert_match(/You tried to define an enum named .* on the model/, e.message)
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end
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end
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test "overriding enum method should not raise" do
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assert_nothing_raised do
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Class.new(ActiveRecord::Base) do
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self.table_name = "books"
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def published!
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super
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"do publish work..."
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end
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enum status: [:proposed, :written, :published]
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def written!
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super
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"do written work..."
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end
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end
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end
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end
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test "validate uniqueness" do
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klass = Class.new(ActiveRecord::Base) do
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def self.name; "Book"; end
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enum status: [:proposed, :written]
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validates_uniqueness_of :status
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end
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klass.delete_all
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klass.create!(status: "proposed")
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book = klass.new(status: "written")
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assert book.valid?
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book.status = "proposed"
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assert_not book.valid?
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end
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test "validate inclusion of value in array" do
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klass = Class.new(ActiveRecord::Base) do
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def self.name; "Book"; end
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enum status: [:proposed, :written]
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validates_inclusion_of :status, in: ["written"]
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end
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klass.delete_all
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invalid_book = klass.new(status: "proposed")
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assert_not invalid_book.valid?
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valid_book = klass.new(status: "written")
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assert valid_book.valid?
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end
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test "enums are distinct per class" do
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klass1 = Class.new(ActiveRecord::Base) do
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self.table_name = "books"
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enum status: [:proposed, :written]
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end
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klass2 = Class.new(ActiveRecord::Base) do
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self.table_name = "books"
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enum status: [:drafted, :uploaded]
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end
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book1 = klass1.proposed.create!
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book1.status = :written
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assert_equal ["proposed", "written"], book1.status_change
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book2 = klass2.drafted.create!
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book2.status = :uploaded
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assert_equal ["drafted", "uploaded"], book2.status_change
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end
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test "enums are inheritable" do
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subklass1 = Class.new(Book)
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subklass2 = Class.new(Book) do
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enum status: [:drafted, :uploaded]
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end
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book1 = subklass1.proposed.create!
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book1.status = :written
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assert_equal ["proposed", "written"], book1.status_change
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book2 = subklass2.drafted.create!
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book2.status = :uploaded
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assert_equal ["drafted", "uploaded"], book2.status_change
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end
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test "declare multiple enums at a time" do
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klass = Class.new(ActiveRecord::Base) do
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self.table_name = "books"
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enum status: [:proposed, :written, :published],
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nullable_status: [:single, :married]
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end
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book1 = klass.proposed.create!
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assert book1.proposed?
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book2 = klass.single.create!
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assert book2.single?
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end
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test "enum with alias_attribute" do
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klass = Class.new(ActiveRecord::Base) do
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self.table_name = "books"
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alias_attribute :aliased_status, :status
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enum aliased_status: [:proposed, :written, :published]
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end
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book = klass.proposed.create!
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assert book.proposed?
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assert_equal "proposed", book.aliased_status
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book = klass.find(book.id)
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assert book.proposed?
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assert_equal "proposed", book.aliased_status
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end
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test "query state by predicate with prefix" do
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assert @book.author_visibility_visible?
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assert_not @book.author_visibility_invisible?
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assert @book.illustrator_visibility_visible?
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assert_not @book.illustrator_visibility_invisible?
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end
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test "query state by predicate with custom prefix" do
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assert @book.in_english?
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assert_not @book.in_spanish?
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assert_not @book.in_french?
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end
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test "query state by predicate with custom suffix" do
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assert @book.medium_to_read?
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assert_not @book.easy_to_read?
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assert_not @book.hard_to_read?
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end
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test "enum methods with custom suffix defined" do
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assert @book.class.respond_to?(:easy_to_read)
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assert @book.class.respond_to?(:medium_to_read)
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assert @book.class.respond_to?(:hard_to_read)
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assert @book.respond_to?(:easy_to_read?)
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assert @book.respond_to?(:medium_to_read?)
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assert @book.respond_to?(:hard_to_read?)
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assert @book.respond_to?(:easy_to_read!)
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assert @book.respond_to?(:medium_to_read!)
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assert @book.respond_to?(:hard_to_read!)
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end
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test "update enum attributes with custom suffix" do
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@book.medium_to_read!
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assert_not @book.easy_to_read?
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assert @book.medium_to_read?
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assert_not @book.hard_to_read?
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@book.easy_to_read!
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assert @book.easy_to_read?
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assert_not @book.medium_to_read?
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assert_not @book.hard_to_read?
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@book.hard_to_read!
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assert_not @book.easy_to_read?
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assert_not @book.medium_to_read?
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assert @book.hard_to_read?
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end
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test "uses default status when no status is provided in fixtures" do
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book = books(:tlg)
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assert book.proposed?, "expected fixture to default to proposed status"
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assert book.in_english?, "expected fixture to default to english language"
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end
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test "uses default value from database on initialization" do
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book = Book.new
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assert book.proposed?
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end
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test "uses default value from database on initialization when using custom mapping" do
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book = Book.new
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assert book.hard?
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end
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test "data type of Enum type" do
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assert_equal :integer, Book.type_for_attribute("status").type
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end
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end
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