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-rw-r--r--activerecord/test/cases/calculations_test.rb68
1 files changed, 45 insertions, 23 deletions
diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb
index c645523905..0f3f9aecfc 100644
--- a/activerecord/test/cases/calculations_test.rb
+++ b/activerecord/test/cases/calculations_test.rb
@@ -6,6 +6,7 @@ require 'models/edge'
require 'models/organization'
require 'models/possession'
require 'models/topic'
+require 'models/reply'
require 'models/minivan'
require 'models/speedometer'
require 'models/ship_part'
@@ -28,6 +29,10 @@ class CalculationsTest < ActiveRecord::TestCase
assert_equal 53.0, value
end
+ def test_should_resolve_aliased_attributes
+ assert_equal 318, Account.sum(:available_credit)
+ end
+
def test_should_return_decimal_average_of_integer_field
value = Account.average(:id)
assert_equal 3.5, value
@@ -96,25 +101,24 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_should_order_by_grouped_field
- c = Account.all.merge!(:group => :firm_id, :order => "firm_id").sum(:credit_limit)
+ c = Account.group(:firm_id).order("firm_id").sum(:credit_limit)
assert_equal [1, 2, 6, 9], c.keys.compact
end
def test_should_order_by_calculation
- c = Account.all.merge!(:group => :firm_id, :order => "sum_credit_limit desc, firm_id").sum(:credit_limit)
+ c = Account.group(:firm_id).order("sum_credit_limit desc, firm_id").sum(:credit_limit)
assert_equal [105, 60, 53, 50, 50], c.keys.collect { |k| c[k] }
assert_equal [6, 2, 9, 1], c.keys.compact
end
def test_should_limit_calculation
- c = Account.all.merge!(:where => "firm_id IS NOT NULL",
- :group => :firm_id, :order => "firm_id", :limit => 2).sum(:credit_limit)
+ c = Account.where("firm_id IS NOT NULL").group(:firm_id).order("firm_id").limit(2).sum(:credit_limit)
assert_equal [1, 2], c.keys.compact
end
def test_should_limit_calculation_with_offset
- c = Account.all.merge!(:where => "firm_id IS NOT NULL", :group => :firm_id,
- :order => "firm_id", :limit => 2, :offset => 1).sum(:credit_limit)
+ c = Account.where("firm_id IS NOT NULL").group(:firm_id).order("firm_id").
+ limit(2).offset(1).sum(:credit_limit)
assert_equal [2, 6], c.keys.compact
end
@@ -163,9 +167,17 @@ class CalculationsTest < ActiveRecord::TestCase
assert_no_match(/OFFSET/, queries.first)
end
+ def test_count_on_invalid_columns_raises
+ e = assert_raises(ActiveRecord::StatementInvalid) {
+ Account.select("credit_limit, firm_name").count
+ }
+
+ assert_match "accounts", e.message
+ assert_match "credit_limit, firm_name", e.message
+ end
+
def test_should_group_by_summed_field_having_condition
- c = Account.all.merge!(:group => :firm_id,
- :having => 'sum(credit_limit) > 50').sum(:credit_limit)
+ c = Account.group(:firm_id).having('sum(credit_limit) > 50').sum(:credit_limit)
assert_nil c[1]
assert_equal 105, c[6]
assert_equal 60, c[2]
@@ -200,17 +212,15 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_should_group_by_summed_field_with_conditions
- c = Account.all.merge!(:where => 'firm_id > 1',
- :group => :firm_id).sum(:credit_limit)
+ c = Account.where('firm_id > 1').group(:firm_id).sum(:credit_limit)
assert_nil c[1]
assert_equal 105, c[6]
assert_equal 60, c[2]
end
def test_should_group_by_summed_field_with_conditions_and_having
- c = Account.all.merge!(:where => 'firm_id > 1',
- :group => :firm_id,
- :having => 'sum(credit_limit) > 60').sum(:credit_limit)
+ c = Account.where('firm_id > 1').group(:firm_id).
+ having('sum(credit_limit) > 60').sum(:credit_limit)
assert_nil c[1]
assert_equal 105, c[6]
assert_nil c[2]
@@ -322,7 +332,7 @@ class CalculationsTest < ActiveRecord::TestCase
def test_should_count_scoped_select
Account.update_all("credit_limit = NULL")
- assert_equal 0, Account.all.merge!(:select => "credit_limit").count
+ assert_equal 0, Account.select("credit_limit").count
end
def test_should_count_scoped_select_with_options
@@ -330,11 +340,11 @@ class CalculationsTest < ActiveRecord::TestCase
Account.last.update_columns('credit_limit' => 49)
Account.first.update_columns('credit_limit' => 51)
- assert_equal 1, Account.all.merge!(:select => "credit_limit").where('credit_limit >= 50').count
+ assert_equal 1, Account.select("credit_limit").where('credit_limit >= 50').count
end
def test_should_count_manual_select_with_include
- assert_equal 6, Account.all.merge!(:select => "DISTINCT accounts.id", :includes => :firm).count
+ assert_equal 6, Account.select("DISTINCT accounts.id").includes(:firm).count
end
def test_count_with_column_parameter
@@ -356,6 +366,10 @@ class CalculationsTest < ActiveRecord::TestCase
assert_equal 4, Account.select(:credit_limit).uniq.count
end
+ def test_count_with_aliased_attribute
+ assert_equal 6, Account.count(:available_credit)
+ end
+
def test_count_with_column_and_options_parameter
assert_equal 2, Account.where("credit_limit = 50 AND firm_id IS NOT NULL").count(:firm_id)
end
@@ -366,7 +380,7 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_should_count_field_in_joined_table_with_group_by
- c = Account.all.merge!(:group => 'accounts.firm_id', :joins => :firm).count('companies.id')
+ c = Account.group('accounts.firm_id').joins(:firm).count('companies.id')
[1,6,2,9].each { |firm_id| assert c.keys.include?(firm_id) }
end
@@ -406,12 +420,6 @@ class CalculationsTest < ActiveRecord::TestCase
Account.where("credit_limit > 50").from('accounts').sum(:credit_limit)
end
- def test_sum_array_compatibility_deprecation
- assert_deprecated do
- assert_equal Account.sum(:credit_limit), Account.sum(&:credit_limit)
- end
- end
-
def test_average_with_from_option
assert_equal Account.average(:credit_limit), Account.from('accounts').average(:credit_limit)
assert_equal Account.where("credit_limit > 50").average(:credit_limit),
@@ -474,6 +482,11 @@ class CalculationsTest < ActiveRecord::TestCase
assert_equal [1,2,3,4], Topic.order(:id).pluck(:id)
end
+ def test_pluck_without_column_names
+ assert_equal [[1, "Firm", 1, nil, "37signals", nil, 1, nil, ""]],
+ Company.order(:id).limit(1).pluck
+ end
+
def test_pluck_type_cast
topic = topics(:first)
relation = Topic.where(:id => topic.id)
@@ -492,6 +505,10 @@ class CalculationsTest < ActiveRecord::TestCase
assert_equal [contract.id], company.contracts.pluck(:id)
end
+ def test_pluck_on_aliased_attribute
+ assert_equal 'The First Topic', Topic.order(:id).pluck(:heading).first
+ end
+
def test_pluck_with_serialization
t = Topic.create!(:content => { :foo => :bar })
assert_equal [{:foo => :bar}], Topic.where(:id => t.id).pluck(:content)
@@ -531,6 +548,11 @@ class CalculationsTest < ActiveRecord::TestCase
assert_equal Company.all.map(&:id).sort, Company.ids.sort
end
+ def test_pluck_with_includes_limit_and_empty_result
+ assert_equal [], Topic.includes(:replies).limit(0).pluck(:id)
+ assert_equal [], Topic.includes(:replies).limit(1).where('0 = 1').pluck(:id)
+ end
+
def test_pluck_not_auto_table_name_prefix_if_column_included
Company.create!(:name => "test", :contracts => [Contract.new(:developer_id => 7)])
ids = Company.includes(:contracts).pluck(:developer_id)