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synced 2022-11-09 12:12:34 -05:00
84 lines
2.7 KiB
Ruby
84 lines
2.7 KiB
Ruby
require 'cases/helper'
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if ActiveRecord::Base.connection.supports_datetime_with_precision?
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class TimePrecisionTest < ActiveRecord::TestCase
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self.use_transactional_fixtures = false
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class Foo < ActiveRecord::Base; end
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setup do
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@connection = ActiveRecord::Base.connection
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end
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teardown do
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@connection.drop_table :foos, if_exists: true
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end
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def test_time_data_type_with_precision
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@connection.create_table(:foos, force: true)
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@connection.add_column :foos, :start, :time, precision: 3
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@connection.add_column :foos, :finish, :time, precision: 6
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assert_equal 3, activerecord_column_option('foos', 'start', 'precision')
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assert_equal 6, activerecord_column_option('foos', 'finish', 'precision')
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end
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def test_passing_precision_to_time_does_not_set_limit
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@connection.create_table(:foos, force: true) do |t|
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t.time :start, precision: 3
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t.time :finish, precision: 6
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end
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assert_nil activerecord_column_option('foos', 'start', 'limit')
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assert_nil activerecord_column_option('foos', 'finish', 'limit')
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end
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def test_invalid_time_precision_raises_error
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assert_raises ActiveRecord::ActiveRecordError do
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@connection.create_table(:foos, force: true) do |t|
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t.time :start, precision: 7
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t.time :finish, precision: 7
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end
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end
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end
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def test_database_agrees_with_activerecord_about_precision
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@connection.create_table(:foos, force: true) do |t|
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t.time :start, precision: 2
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t.time :finish, precision: 4
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end
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assert_equal 2, database_datetime_precision('foos', 'start')
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assert_equal 4, database_datetime_precision('foos', 'finish')
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end
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def test_formatting_time_according_to_precision
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@connection.create_table(:foos, force: true) do |t|
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t.time :start, precision: 0
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t.time :finish, precision: 4
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end
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time = ::Time.utc(2000, 1, 1, 12, 30, 0, 999999)
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Foo.create!(start: time, finish: time)
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assert foo = Foo.find_by(start: time)
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assert_equal 1, Foo.where(finish: time).count
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assert_equal time.to_s, foo.start.to_s
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assert_equal time.to_s, foo.finish.to_s
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assert_equal 000000, foo.start.usec
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assert_equal 999900, foo.finish.usec
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end
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private
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def database_datetime_precision(table_name, column_name)
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results = @connection.exec_query("SELECT column_name, datetime_precision FROM information_schema.columns WHERE table_name = '#{table_name}'")
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result = results.find do |result_hash|
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result_hash["column_name"] == column_name
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end
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result && result["datetime_precision"].to_i
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end
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def activerecord_column_option(tablename, column_name, option)
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result = @connection.columns(tablename).find do |column|
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column.name == column_name
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end
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result && result.send(option)
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end
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end
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end
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