From fc85c665271578e55e7fe90a721ca1533289d923 Mon Sep 17 00:00:00 2001 From: George Ogata Date: Thu, 26 Nov 2009 00:05:57 -0500 Subject: Set inverse for #replace on a has_one association. [#3513 state:resolved] Signed-off-by: Eloy Duran --- .../test/cases/associations/inverse_associations_test.rb | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'activerecord/test/cases/associations/inverse_associations_test.rb') diff --git a/activerecord/test/cases/associations/inverse_associations_test.rb b/activerecord/test/cases/associations/inverse_associations_test.rb index 47f83db112..ee360dff10 100644 --- a/activerecord/test/cases/associations/inverse_associations_test.rb +++ b/activerecord/test/cases/associations/inverse_associations_test.rb @@ -135,6 +135,21 @@ class InverseHasOneTests < ActiveRecord::TestCase assert_equal m.name, f.man.name, "Name of man should be the same after changes to newly-created-child-owned instance" end + def test_parent_instance_should_be_shared_with_replaced_child + man = Man.find(:first) + old_face = man.face + new_face = Face.new + + assert_not_nil man.face + man.face.replace(new_face) + + assert_equal man.name, new_face.man.name, "Name of man should be the same before changes to parent instance" + man.name = 'Bongo' + assert_equal man.name, new_face.man.name, "Name of man should be the same after changes to parent instance" + new_face.man.name = 'Mungo' + assert_equal man.name, new_face.man.name, "Name of man should be the same after changes to replaced-parent-owned instance" + end + def test_trying_to_use_inverses_that_dont_exist_should_raise_an_error assert_raise(ActiveRecord::InverseOfAssociationNotFoundError) { Man.find(:first).dirty_face } end -- cgit v1.2.3 From 6c8c85bc1eaf1639ea0df5f356e7105c74d128b2 Mon Sep 17 00:00:00 2001 From: Murray Steele Date: Thu, 17 Dec 2009 11:38:44 +0000 Subject: Add more tests for the various ways we can assign objects to associations. [#3513 state:resolved] Get rid of a duplicate set_inverse_instance call if you use new_record(true) (e.g. you want to replace the existing instance). Signed-off-by: Eloy Duran --- .../associations/inverse_associations_test.rb | 170 +++++++++++++++++++-- 1 file changed, 159 insertions(+), 11 deletions(-) (limited to 'activerecord/test/cases/associations/inverse_associations_test.rb') diff --git a/activerecord/test/cases/associations/inverse_associations_test.rb b/activerecord/test/cases/associations/inverse_associations_test.rb index ee360dff10..c3d0d61cec 100644 --- a/activerecord/test/cases/associations/inverse_associations_test.rb +++ b/activerecord/test/cases/associations/inverse_associations_test.rb @@ -135,19 +135,84 @@ class InverseHasOneTests < ActiveRecord::TestCase assert_equal m.name, f.man.name, "Name of man should be the same after changes to newly-created-child-owned instance" end - def test_parent_instance_should_be_shared_with_replaced_child - man = Man.find(:first) - old_face = man.face - new_face = Face.new + def test_parent_instance_should_be_shared_with_newly_created_child_via_bang_method + m = Man.find(:first) + f = m.face.create!(:description => 'haunted') + assert_not_nil f.man + assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to parent instance" + f.man.name = 'Mungo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to newly-created-child-owned instance" + end + + def test_parent_instance_should_be_shared_with_newly_built_child_when_we_dont_replace_existing + m = Man.find(:first) + f = m.build_face({:description => 'haunted'}, false) + assert_not_nil f.man + assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to parent instance" + f.man.name = 'Mungo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to just-built-child-owned instance" + end + + def test_parent_instance_should_be_shared_with_newly_created_child_when_we_dont_replace_existing + m = Man.find(:first) + f = m.create_face({:description => 'haunted'}, false) + assert_not_nil f.man + assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to parent instance" + f.man.name = 'Mungo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to newly-created-child-owned instance" + end + + def test_parent_instance_should_be_shared_with_newly_created_child_via_bang_method_when_we_dont_replace_existing + m = Man.find(:first) + f = m.face.create!({:description => 'haunted'}, false) + assert_not_nil f.man + assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to parent instance" + f.man.name = 'Mungo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to newly-created-child-owned instance" + end - assert_not_nil man.face - man.face.replace(new_face) + def test_parent_instance_should_be_shared_with_replaced_via_accessor_child + m = Man.find(:first) + f = Face.new(:description => 'haunted') + m.face = f + assert_not_nil f.man + assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to parent instance" + f.man.name = 'Mungo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to replaced-child-owned instance" + end - assert_equal man.name, new_face.man.name, "Name of man should be the same before changes to parent instance" - man.name = 'Bongo' - assert_equal man.name, new_face.man.name, "Name of man should be the same after changes to parent instance" - new_face.man.name = 'Mungo' - assert_equal man.name, new_face.man.name, "Name of man should be the same after changes to replaced-parent-owned instance" + def test_parent_instance_should_be_shared_with_replaced_via_method_child + m = Man.find(:first) + f = Face.new(:description => 'haunted') + m.face.replace(f) + assert_not_nil f.man + assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to parent instance" + f.man.name = 'Mungo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to replaced-child-owned instance" + end + + def test_parent_instance_should_be_shared_with_replaced_via_method_child_when_we_dont_replace_existing + m = Man.find(:first) + f = Face.new(:description => 'haunted') + m.face.replace(f, false) + assert_not_nil f.man + assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to parent instance" + f.man.name = 'Mungo' + assert_equal m.name, f.man.name, "Name of man should be the same after changes to replaced-child-owned instance" end def test_trying_to_use_inverses_that_dont_exist_should_raise_an_error @@ -204,6 +269,18 @@ class InverseHasManyTests < ActiveRecord::TestCase assert_equal m.name, i.man.name, "Name of man should be the same after changes to just-built-child-owned instance" end + def test_parent_instance_should_be_shared_with_newly_block_style_built_child + m = Man.find(:first) + i = m.interests.build {|ii| ii.topic = 'Industrial Revolution Re-enactment'} + assert_not_nil i.topic, "Child attributes supplied to build via blocks should be populated" + assert_not_nil i.man + assert_equal m.name, i.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, i.man.name, "Name of man should be the same after changes to parent instance" + i.man.name = 'Mungo' + assert_equal m.name, i.man.name, "Name of man should be the same after changes to just-built-child-owned instance" + end + def test_parent_instance_should_be_shared_with_newly_created_child m = Man.find(:first) i = m.interests.create(:topic => 'Industrial Revolution Re-enactment') @@ -215,6 +292,29 @@ class InverseHasManyTests < ActiveRecord::TestCase assert_equal m.name, i.man.name, "Name of man should be the same after changes to newly-created-child-owned instance" end + def test_parent_instance_should_be_shared_with_newly_created_via_bang_method_child + m = Man.find(:first) + i = m.interests.create!(:topic => 'Industrial Revolution Re-enactment') + assert_not_nil i.man + assert_equal m.name, i.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, i.man.name, "Name of man should be the same after changes to parent instance" + i.man.name = 'Mungo' + assert_equal m.name, i.man.name, "Name of man should be the same after changes to newly-created-child-owned instance" + end + + def test_parent_instance_should_be_shared_with_newly_block_style_created_child + m = Man.find(:first) + i = m.interests.create {|ii| ii.topic = 'Industrial Revolution Re-enactment'} + assert_not_nil i.topic, "Child attributes supplied to create via blocks should be populated" + assert_not_nil i.man + assert_equal m.name, i.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, i.man.name, "Name of man should be the same after changes to parent instance" + i.man.name = 'Mungo' + assert_equal m.name, i.man.name, "Name of man should be the same after changes to newly-created-child-owned instance" + end + def test_parent_instance_should_be_shared_with_poked_in_child m = Man.find(:first) i = Interest.create(:topic => 'Industrial Revolution Re-enactment') @@ -227,6 +327,30 @@ class InverseHasManyTests < ActiveRecord::TestCase assert_equal m.name, i.man.name, "Name of man should be the same after changes to newly-created-child-owned instance" end + def test_parent_instance_should_be_shared_with_replaced_via_accessor_children + m = Man.find(:first) + i = Interest.new(:topic => 'Industrial Revolution Re-enactment') + m.interests = [i] + assert_not_nil i.man + assert_equal m.name, i.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, i.man.name, "Name of man should be the same after changes to parent instance" + i.man.name = 'Mungo' + assert_equal m.name, i.man.name, "Name of man should be the same after changes to replaced-child-owned instance" + end + + def test_parent_instance_should_be_shared_with_replaced_via_method_children + m = Man.find(:first) + i = Interest.new(:topic => 'Industrial Revolution Re-enactment') + m.interests.replace([i]) + assert_not_nil i.man + assert_equal m.name, i.man.name, "Name of man should be the same before changes to parent instance" + m.name = 'Bongo' + assert_equal m.name, i.man.name, "Name of man should be the same after changes to parent instance" + i.man.name = 'Mungo' + assert_equal m.name, i.man.name, "Name of man should be the same after changes to replaced-child-owned instance" + end + def test_trying_to_use_inverses_that_dont_exist_should_raise_an_error assert_raise(ActiveRecord::InverseOfAssociationNotFoundError) { Man.find(:first).secret_interests } end @@ -299,6 +423,30 @@ class InverseBelongsToTests < ActiveRecord::TestCase assert_not_equal i.topic, iz.topic, "Interest topics should not be the same after changes to parent-owned instance" end + def test_child_instance_should_be_shared_with_replaced_via_accessor_parent + f = Face.find(:first) + m = Man.new(:name => 'Charles') + f.man = m + assert_not_nil m.face + assert_equal f.description, m.face.description, "Description of face should be the same before changes to child instance" + f.description = 'gormless' + assert_equal f.description, m.face.description, "Description of face should be the same after changes to child instance" + m.face.description = 'pleasing' + assert_equal f.description, m.face.description, "Description of face should be the same after changes to replaced-parent-owned instance" + end + + def test_child_instance_should_be_shared_with_replaced_via_method_parent + f = Face.find(:first) + m = Man.new(:name => 'Charles') + f.man.replace(m) + assert_not_nil m.face + assert_equal f.description, m.face.description, "Description of face should be the same before changes to child instance" + f.description = 'gormless' + assert_equal f.description, m.face.description, "Description of face should be the same after changes to child instance" + m.face.description = 'pleasing' + assert_equal f.description, m.face.description, "Description of face should be the same after changes to replaced-parent-owned instance" + end + def test_trying_to_use_inverses_that_dont_exist_should_raise_an_error assert_raise(ActiveRecord::InverseOfAssociationNotFoundError) { Face.find(:first).horrible_man } end -- cgit v1.2.3 From 81ca0cf2b074f4b868a84c427ef155607a956119 Mon Sep 17 00:00:00 2001 From: George Ogata Date: Sun, 29 Nov 2009 00:46:09 -0500 Subject: Add inverse polymorphic association support. [#3520 state:resolved] Signed-off-by: Eloy Duran --- .../associations/inverse_associations_test.rb | 100 +++++++++++++++++---- 1 file changed, 81 insertions(+), 19 deletions(-) (limited to 'activerecord/test/cases/associations/inverse_associations_test.rb') diff --git a/activerecord/test/cases/associations/inverse_associations_test.rb b/activerecord/test/cases/associations/inverse_associations_test.rb index c3d0d61cec..2ab3aa141a 100644 --- a/activerecord/test/cases/associations/inverse_associations_test.rb +++ b/activerecord/test/cases/associations/inverse_associations_test.rb @@ -85,7 +85,7 @@ class InverseHasOneTests < ActiveRecord::TestCase fixtures :men, :faces def test_parent_instance_should_be_shared_with_child_on_find - m = Man.find(:first) + m = men(:gordon) f = m.face assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" m.name = 'Bongo' @@ -96,7 +96,7 @@ class InverseHasOneTests < ActiveRecord::TestCase def test_parent_instance_should_be_shared_with_eager_loaded_child_on_find - m = Man.find(:first, :include => :face) + m = Man.find(:first, :conditions => {:name => 'Gordon'}, :include => :face) f = m.face assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" m.name = 'Bongo' @@ -104,7 +104,7 @@ class InverseHasOneTests < ActiveRecord::TestCase f.man.name = 'Mungo' assert_equal m.name, f.man.name, "Name of man should be the same after changes to child-owned instance" - m = Man.find(:first, :include => :face, :order => 'faces.id') + m = Man.find(:first, :conditions => {:name => 'Gordon'}, :include => :face, :order => 'faces.id') f = m.face assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" m.name = 'Bongo' @@ -114,7 +114,7 @@ class InverseHasOneTests < ActiveRecord::TestCase end def test_parent_instance_should_be_shared_with_newly_built_child - m = Man.find(:first) + m = men(:gordon) f = m.build_face(:description => 'haunted') assert_not_nil f.man assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" @@ -125,7 +125,7 @@ class InverseHasOneTests < ActiveRecord::TestCase end def test_parent_instance_should_be_shared_with_newly_created_child - m = Man.find(:first) + m = men(:gordon) f = m.create_face(:description => 'haunted') assert_not_nil f.man assert_equal m.name, f.man.name, "Name of man should be the same before changes to parent instance" @@ -224,7 +224,7 @@ class InverseHasManyTests < ActiveRecord::TestCase fixtures :men, :interests def test_parent_instance_should_be_shared_with_every_child_on_find - m = Man.find(:first) + m = men(:gordon) is = m.interests is.each do |i| assert_equal m.name, i.man.name, "Name of man should be the same before changes to parent instance" @@ -236,7 +236,7 @@ class InverseHasManyTests < ActiveRecord::TestCase end def test_parent_instance_should_be_shared_with_eager_loaded_children - m = Man.find(:first, :include => :interests) + m = Man.find(:first, :conditions => {:name => 'Gordon'}, :include => :interests) is = m.interests is.each do |i| assert_equal m.name, i.man.name, "Name of man should be the same before changes to parent instance" @@ -246,7 +246,7 @@ class InverseHasManyTests < ActiveRecord::TestCase assert_equal m.name, i.man.name, "Name of man should be the same after changes to child-owned instance" end - m = Man.find(:first, :include => :interests, :order => 'interests.id') + m = Man.find(:first, :conditions => {:name => 'Gordon'}, :include => :interests, :order => 'interests.id') is = m.interests is.each do |i| assert_equal m.name, i.man.name, "Name of man should be the same before changes to parent instance" @@ -255,11 +255,10 @@ class InverseHasManyTests < ActiveRecord::TestCase i.man.name = 'Mungo' assert_equal m.name, i.man.name, "Name of man should be the same after changes to child-owned instance" end - end def test_parent_instance_should_be_shared_with_newly_built_child - m = Man.find(:first) + m = men(:gordon) i = m.interests.build(:topic => 'Industrial Revolution Re-enactment') assert_not_nil i.man assert_equal m.name, i.man.name, "Name of man should be the same before changes to parent instance" @@ -282,7 +281,7 @@ class InverseHasManyTests < ActiveRecord::TestCase end def test_parent_instance_should_be_shared_with_newly_created_child - m = Man.find(:first) + m = men(:gordon) i = m.interests.create(:topic => 'Industrial Revolution Re-enactment') assert_not_nil i.man assert_equal m.name, i.man.name, "Name of man should be the same before changes to parent instance" @@ -316,7 +315,7 @@ class InverseHasManyTests < ActiveRecord::TestCase end def test_parent_instance_should_be_shared_with_poked_in_child - m = Man.find(:first) + m = men(:gordon) i = Interest.create(:topic => 'Industrial Revolution Re-enactment') m.interests << i assert_not_nil i.man @@ -360,7 +359,7 @@ class InverseBelongsToTests < ActiveRecord::TestCase fixtures :men, :faces, :interests def test_child_instance_should_be_shared_with_parent_on_find - f = Face.find(:first) + f = faces(:trusting) m = f.man assert_equal f.description, m.face.description, "Description of face should be the same before changes to child instance" f.description = 'gormless' @@ -370,7 +369,7 @@ class InverseBelongsToTests < ActiveRecord::TestCase end def test_eager_loaded_child_instance_should_be_shared_with_parent_on_find - f = Face.find(:first, :include => :man) + f = Face.find(:first, :include => :man, :conditions => {:description => 'trusting'}) m = f.man assert_equal f.description, m.face.description, "Description of face should be the same before changes to child instance" f.description = 'gormless' @@ -378,8 +377,7 @@ class InverseBelongsToTests < ActiveRecord::TestCase m.face.description = 'pleasing' assert_equal f.description, m.face.description, "Description of face should be the same after changes to parent-owned instance" - - f = Face.find(:first, :include => :man, :order => 'men.id') + f = Face.find(:first, :include => :man, :order => 'men.id', :conditions => {:description => 'trusting'}) m = f.man assert_equal f.description, m.face.description, "Description of face should be the same before changes to child instance" f.description = 'gormless' @@ -389,7 +387,7 @@ class InverseBelongsToTests < ActiveRecord::TestCase end def test_child_instance_should_be_shared_with_newly_built_parent - f = Face.find(:first) + f = faces(:trusting) m = f.build_man(:name => 'Charles') assert_not_nil m.face assert_equal f.description, m.face.description, "Description of face should be the same before changes to child instance" @@ -400,7 +398,7 @@ class InverseBelongsToTests < ActiveRecord::TestCase end def test_child_instance_should_be_shared_with_newly_created_parent - f = Face.find(:first) + f = faces(:trusting) m = f.create_man(:name => 'Charles') assert_not_nil m.face assert_equal f.description, m.face.description, "Description of face should be the same before changes to child instance" @@ -411,7 +409,7 @@ class InverseBelongsToTests < ActiveRecord::TestCase end def test_should_not_try_to_set_inverse_instances_when_the_inverse_is_a_has_many - i = Interest.find(:first) + i = interests(:trainspotting) m = i.man assert_not_nil m.interests iz = m.interests.detect {|iz| iz.id == i.id} @@ -452,6 +450,70 @@ class InverseBelongsToTests < ActiveRecord::TestCase end end +class InversePolymorphicBelongsToTests < ActiveRecord::TestCase + fixtures :men, :faces, :interests + + def test_child_instance_should_be_shared_with_parent_on_find + f = Face.find(:first, :conditions => {:description => 'confused'}) + m = f.polymorphic_man + assert_equal f.description, m.polymorphic_face.description, "Description of face should be the same before changes to child instance" + f.description = 'gormless' + assert_equal f.description, m.polymorphic_face.description, "Description of face should be the same after changes to child instance" + m.polymorphic_face.description = 'pleasing' + assert_equal f.description, m.polymorphic_face.description, "Description of face should be the same after changes to parent-owned instance" + end + + def test_eager_loaded_child_instance_should_be_shared_with_parent_on_find + f = Face.find(:first, :conditions => {:description => 'confused'}, :include => :man) + m = f.polymorphic_man + assert_equal f.description, m.polymorphic_face.description, "Description of face should be the same before changes to child instance" + f.description = 'gormless' + assert_equal f.description, m.polymorphic_face.description, "Description of face should be the same after changes to child instance" + m.polymorphic_face.description = 'pleasing' + assert_equal f.description, m.polymorphic_face.description, "Description of face should be the same after changes to parent-owned instance" + + f = Face.find(:first, :conditions => {:description => 'confused'}, :include => :man, :order => 'men.id') + m = f.polymorphic_man + assert_equal f.description, m.polymorphic_face.description, "Description of face should be the same before changes to child instance" + f.description = 'gormless' + assert_equal f.description, m.polymorphic_face.description, "Description of face should be the same after changes to child instance" + m.polymorphic_face.description = 'pleasing' + assert_equal f.description, m.polymorphic_face.description, "Description of face should be the same after changes to parent-owned instance" + end + + def test_child_instance_should_be_shared_with_replaced_parent + face = faces(:confused) + old_man = face.polymorphic_man + new_man = Man.new + + assert_not_nil face.polymorphic_man + face.polymorphic_man.replace(new_man) + + assert_equal face.description, new_man.polymorphic_face.description, "Description of face should be the same before changes to parent instance" + face.description = 'Bongo' + assert_equal face.description, new_man.polymorphic_face.description, "Description of face should be the same after changes to parent instance" + new_man.polymorphic_face.description = 'Mungo' + assert_equal face.description, new_man.polymorphic_face.description, "Description of face should be the same after changes to replaced-parent-owned instance" + end + + def test_should_not_try_to_set_inverse_instances_when_the_inverse_is_a_has_many + i = interests(:llama_wrangling) + m = i.polymorphic_man + assert_not_nil m.polymorphic_interests + iz = m.polymorphic_interests.detect {|iz| iz.id == i.id} + assert_not_nil iz + assert_equal i.topic, iz.topic, "Interest topics should be the same before changes to child" + i.topic = 'Eating cheese with a spoon' + assert_not_equal i.topic, iz.topic, "Interest topics should not be the same after changes to child" + iz.topic = 'Cow tipping' + assert_not_equal i.topic, iz.topic, "Interest topics should not be the same after changes to parent-owned instance" + end + + def test_trying_to_use_inverses_that_dont_exist_should_raise_an_error + assert_raise(ActiveRecord::InverseOfAssociationNotFoundError) { Face.find(:first).horrible_man } + end +end + # NOTE - these tests might not be meaningful, ripped as they were from the parental_control plugin # which would guess the inverse rather than look for an explicit configuration option. class InverseMultipleHasManyInversesForSameModel < ActiveRecord::TestCase -- cgit v1.2.3 From 6a74ee7f4deea4a44520d3fcc9120e0bb848823f Mon Sep 17 00:00:00 2001 From: Murray Steele Date: Thu, 17 Dec 2009 12:19:10 +0000 Subject: Provide a slightly more robust we_can_set_the_inverse_on_this? method for polymorphic belongs_to associations. [#3520 state:resolved] Also add a new test for polymorphic belongs_to that test direct accessor assignment, not just .replace assignment. Signed-off-by: Eloy Duran --- .../cases/associations/inverse_associations_test.rb | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) (limited to 'activerecord/test/cases/associations/inverse_associations_test.rb') diff --git a/activerecord/test/cases/associations/inverse_associations_test.rb b/activerecord/test/cases/associations/inverse_associations_test.rb index 2ab3aa141a..0696f06e5b 100644 --- a/activerecord/test/cases/associations/inverse_associations_test.rb +++ b/activerecord/test/cases/associations/inverse_associations_test.rb @@ -481,7 +481,22 @@ class InversePolymorphicBelongsToTests < ActiveRecord::TestCase assert_equal f.description, m.polymorphic_face.description, "Description of face should be the same after changes to parent-owned instance" end - def test_child_instance_should_be_shared_with_replaced_parent + def test_child_instance_should_be_shared_with_replaced_via_accessor_parent + face = faces(:confused) + old_man = face.polymorphic_man + new_man = Man.new + + assert_not_nil face.polymorphic_man + face.polymorphic_man = new_man + + assert_equal face.description, new_man.polymorphic_face.description, "Description of face should be the same before changes to parent instance" + face.description = 'Bongo' + assert_equal face.description, new_man.polymorphic_face.description, "Description of face should be the same after changes to parent instance" + new_man.polymorphic_face.description = 'Mungo' + assert_equal face.description, new_man.polymorphic_face.description, "Description of face should be the same after changes to replaced-parent-owned instance" + end + + def test_child_instance_should_be_shared_with_replaced_via_method_parent face = faces(:confused) old_man = face.polymorphic_man new_man = Man.new -- cgit v1.2.3 From ff508640e28914da2b546f6a8c9f215bab201b61 Mon Sep 17 00:00:00 2001 From: Murray Steele Date: Mon, 28 Dec 2009 14:13:33 +0100 Subject: Make polymorphic_inverse_of in Reflection throw an InverseOfAssociationNotFoundError if the supplied class doesn't have the appropriate association. [#3520 state:resolved] Signed-off-by: Eloy Duran --- .../cases/associations/inverse_associations_test.rb | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'activerecord/test/cases/associations/inverse_associations_test.rb') diff --git a/activerecord/test/cases/associations/inverse_associations_test.rb b/activerecord/test/cases/associations/inverse_associations_test.rb index 0696f06e5b..457c4da9bf 100644 --- a/activerecord/test/cases/associations/inverse_associations_test.rb +++ b/activerecord/test/cases/associations/inverse_associations_test.rb @@ -524,8 +524,21 @@ class InversePolymorphicBelongsToTests < ActiveRecord::TestCase assert_not_equal i.topic, iz.topic, "Interest topics should not be the same after changes to parent-owned instance" end - def test_trying_to_use_inverses_that_dont_exist_should_raise_an_error - assert_raise(ActiveRecord::InverseOfAssociationNotFoundError) { Face.find(:first).horrible_man } + def test_trying_to_access_inverses_that_dont_exist_shouldnt_raise_an_error + # Ideally this would, if only for symmetry's sake with other association types + assert_nothing_raised(ActiveRecord::InverseOfAssociationNotFoundError) { Face.find(:first).horrible_polymorphic_man } + end + + def test_trying_to_set_polymorphic_inverses_that_dont_exist_at_all_should_raise_an_error + # fails because no class has the correct inverse_of for horrible_polymorphic_man + assert_raise(ActiveRecord::InverseOfAssociationNotFoundError) { Face.find(:first).horrible_polymorphic_man = Man.first } + end + + def test_trying_to_set_polymorphic_inverses_that_dont_exist_on_the_instance_being_set_should_raise_an_error + # passes because Man does have the correct inverse_of + assert_nothing_raised(ActiveRecord::InverseOfAssociationNotFoundError) { Face.find(:first).polymorphic_man = Man.first } + # fails because Interest does have the correct inverse_of + assert_raise(ActiveRecord::InverseOfAssociationNotFoundError) { Face.find(:first).polymorphic_man = Interest.first } end end -- cgit v1.2.3