class DateTimePrecisionTest

Public Instance Methods

test_datetime_data_type_with_precision() click to toggle source
# File activerecord/test/cases/date_time_precision_test.rb, line 22
def test_datetime_data_type_with_precision
  @connection.create_table(:foos, force: true)
  @connection.add_column :foos, :created_at, :datetime, precision: 0
  @connection.add_column :foos, :updated_at, :datetime, precision: 5
  assert_equal 0, Foo.columns_hash["created_at"].precision
  assert_equal 5, Foo.columns_hash["updated_at"].precision
end
test_datetime_precision_with_zero_should_be_dumped() click to toggle source
# File activerecord/test/cases/date_time_precision_test.rb, line 79
def test_datetime_precision_with_zero_should_be_dumped
  @connection.create_table(:foos, force: true) do |t|
    t.timestamps precision: 0
  end
  output = dump_table_schema("foos")
  assert_match %r{t\.datetime\s+"created_at",\s+precision: 0,\s+null: false$}, output
  assert_match %r{t\.datetime\s+"updated_at",\s+precision: 0,\s+null: false$}, output
end
test_formatting_datetime_according_to_precision() click to toggle source
# File activerecord/test/cases/date_time_precision_test.rb, line 54
def test_formatting_datetime_according_to_precision
  @connection.create_table(:foos, force: true) do |t|
    t.datetime :created_at, precision: 0
    t.datetime :updated_at, precision: 4
  end
  date = ::Time.utc(2014, 8, 17, 12, 30, 0, 999999)
  Foo.create!(created_at: date, updated_at: date)
  assert foo = Foo.find_by(created_at: date)
  assert_equal 1, Foo.where(updated_at: date).count
  assert_equal date.to_s, foo.created_at.to_s
  assert_equal date.to_s, foo.updated_at.to_s
  assert_equal 000000, foo.created_at.usec
  assert_equal 999900, foo.updated_at.usec
end
test_invalid_datetime_precision_raises_error() click to toggle source
# File activerecord/test/cases/date_time_precision_test.rb, line 46
def test_invalid_datetime_precision_raises_error
  assert_raises ActiveRecord::ActiveRecordError do
    @connection.create_table(:foos, force: true) do |t|
      t.timestamps precision: 7
    end
  end
end
test_passing_precision_to_datetime_does_not_set_limit() click to toggle source
# File activerecord/test/cases/date_time_precision_test.rb, line 38
def test_passing_precision_to_datetime_does_not_set_limit
  @connection.create_table(:foos, force: true) do |t|
    t.timestamps precision: 4
  end
  assert_nil Foo.columns_hash["created_at"].limit
  assert_nil Foo.columns_hash["updated_at"].limit
end
test_schema_dump_includes_datetime_precision() click to toggle source
# File activerecord/test/cases/date_time_precision_test.rb, line 69
def test_schema_dump_includes_datetime_precision
  @connection.create_table(:foos, force: true) do |t|
    t.timestamps precision: 6
  end
  output = dump_table_schema("foos")
  assert_match %r{t\.datetime\s+"created_at",\s+precision: 6,\s+null: false$}, output
  assert_match %r{t\.datetime\s+"updated_at",\s+precision: 6,\s+null: false$}, output
end
test_timestamps_helper_with_custom_precision() click to toggle source
# File activerecord/test/cases/date_time_precision_test.rb, line 30
def test_timestamps_helper_with_custom_precision
  @connection.create_table(:foos, force: true) do |t|
    t.timestamps precision: 4
  end
  assert_equal 4, Foo.columns_hash["created_at"].precision
  assert_equal 4, Foo.columns_hash["updated_at"].precision
end