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test cases to describe the MySQL boolean behavior.
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require "cases/helper" | ||
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class Mysql2BooleanTest < ActiveRecord::TestCase | ||
self.use_transactional_fixtures = false | ||
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class BooleanType < ActiveRecord::Base | ||
self.table_name = "mysql_booleans" | ||
end | ||
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setup do | ||
@connection = ActiveRecord::Base.connection | ||
@connection.create_table("mysql_booleans") do |t| | ||
t.boolean "archived" | ||
t.string "published", limit: 1 | ||
end | ||
BooleanType.reset_column_information | ||
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@emulate_booleans = ActiveRecord::ConnectionAdapters::Mysql2Adapter.emulate_booleans | ||
end | ||
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teardown do | ||
emulate_booleans @emulate_booleans | ||
@connection.drop_table "mysql_booleans" | ||
end | ||
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test "column type with emulated booleans" do | ||
emulate_booleans true | ||
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assert_equal :boolean, boolean_column.type | ||
assert_equal :string, string_column.type | ||
end | ||
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test "column type without emulated booleans" do | ||
emulate_booleans false | ||
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assert_equal :integer, boolean_column.type | ||
assert_equal :string, string_column.type | ||
end | ||
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test "test type casting with emulated booleans" do | ||
emulate_booleans true | ||
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boolean = BooleanType.create!(archived: true, published: true) | ||
attributes = boolean.reload.attributes_before_type_cast | ||
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assert_equal 1, attributes["archived"] | ||
assert_equal "1", attributes["published"] | ||
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assert_equal "t", @connection.type_cast(true, boolean_column) | ||
assert_equal "t", @connection.type_cast(true, string_column) | ||
end | ||
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test "test type casting without emulated booleans" do | ||
emulate_booleans false | ||
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boolean = BooleanType.create!(archived: true, published: true) | ||
attributes = boolean.reload.attributes_before_type_cast | ||
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assert_equal 1, attributes["archived"] | ||
assert_equal "1", attributes["published"] | ||
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assert_equal 1, @connection.type_cast(true, boolean_column) | ||
assert_equal "t", @connection.type_cast(true, string_column) | ||
end | ||
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test "with booleans stored as 1 and 0" do | ||
@connection.execute "INSERT INTO mysql_booleans(archived, published) VALUES(1, '1')" | ||
boolean = BooleanType.first | ||
assert_equal true, boolean.archived | ||
assert_equal "1", boolean.published | ||
end | ||
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test "with booleans stored as t" do | ||
@connection.execute "INSERT INTO mysql_booleans(published) VALUES('t')" | ||
boolean = BooleanType.first | ||
assert_equal "t", boolean.published | ||
end | ||
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def boolean_column | ||
BooleanType.columns.find { |c| c.name == 'archived' } | ||
end | ||
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def string_column | ||
BooleanType.columns.find { |c| c.name == 'published' } | ||
end | ||
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def emulate_booleans(value) | ||
ActiveRecord::ConnectionAdapters::Mysql2Adapter.emulate_booleans = value | ||
BooleanType.reset_column_information | ||
end | ||
end |