diff options
Diffstat (limited to 'activerecord/test/cases/calculations_test.rb')
-rw-r--r-- | activerecord/test/cases/calculations_test.rb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb index 61fbf01a50..644c9cb528 100644 --- a/activerecord/test/cases/calculations_test.rb +++ b/activerecord/test/cases/calculations_test.rb @@ -23,6 +23,11 @@ class CalculationsTest < ActiveRecord::TestCase assert_equal 53.0, value end + def test_should_return_decimal_average_of_integer_field + value = Account.average(:id) + assert_equal 3.5, value + end + def test_should_return_nil_as_average assert_nil NumericData.average(:bank_balance) end @@ -54,6 +59,19 @@ class CalculationsTest < ActiveRecord::TestCase c = Account.sum(:credit_limit, :group => :firm_id) [1,6,2].each { |firm_id| assert c.keys.include?(firm_id) } end + + def test_should_group_by_multiple_fields + c = Account.count(:all, :group => ['firm_id', :credit_limit]) + [ [nil, 50], [1, 50], [6, 50], [6, 55], [9, 53], [2, 60] ].each { |firm_and_limit| assert c.keys.include?(firm_and_limit) } + end + + def test_should_group_by_multiple_fields_having_functions + c = Topic.group(:author_name, 'COALESCE(type, title)').count(:all) + assert_equal 1, c[["Carl", "The Third Topic of the day"]] + assert_equal 1, c[["Mary", "Reply"]] + assert_equal 1, c[["David", "The First Topic"]] + assert_equal 1, c[["Carl", "Reply"]] + end def test_should_group_by_summed_field c = Account.sum(:credit_limit, :group => :firm_id) |