diff options
Diffstat (limited to 'activerecord/test/cases/calculations_test.rb')
-rw-r--r-- | activerecord/test/cases/calculations_test.rb | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb index 5cb8485b4b..caf07a7357 100644 --- a/activerecord/test/cases/calculations_test.rb +++ b/activerecord/test/cases/calculations_test.rb @@ -23,6 +23,17 @@ 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_integer_average_if_db_returns_such + Account.connection.stubs :select_value => 3 + value = Account.average(:id) + assert_equal 3, value + end + def test_should_return_nil_as_average assert_nil NumericData.average(:bank_balance) end @@ -98,6 +109,36 @@ class CalculationsTest < ActiveRecord::TestCase assert_equal [2, 6], c.keys.compact end + def test_limit_with_offset_is_kept + return if current_adapter?(:OracleAdapter) + + queries = assert_sql { Account.limit(1).offset(1).count } + assert_equal 1, queries.length + assert_match(/LIMIT/, queries.first) + assert_match(/OFFSET/, queries.first) + end + + def test_offset_without_limit_removes_offset + queries = assert_sql { Account.offset(1).count } + assert_equal 1, queries.length + assert_no_match(/LIMIT/, queries.first) + assert_no_match(/OFFSET/, queries.first) + end + + def test_limit_without_offset_removes_limit + queries = assert_sql { Account.limit(1).count } + assert_equal 1, queries.length + assert_no_match(/LIMIT/, queries.first) + assert_no_match(/OFFSET/, queries.first) + end + + def test_no_limit_no_offset + queries = assert_sql { Account.count } + assert_equal 1, queries.length + assert_no_match(/LIMIT/, queries.first) + assert_no_match(/OFFSET/, queries.first) + end + def test_should_group_by_summed_field_having_condition c = Account.sum(:credit_limit, :group => :firm_id, :having => 'sum(credit_limit) > 50') |