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implications: fix validation of circular implications.

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Fix bug where circular chains like `a -> b && b -> c && c -> a` were
allowed.
This commit is contained in:
evazion
2018-12-26 17:30:07 -06:00
parent 51b08d2243
commit 365e04b5f9
2 changed files with 8 additions and 5 deletions
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11
test/unit/tag_implication_test.rb
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@@ -80,10 +80,13 @@ class TagImplicationTest < ActiveSupport::TestCase
should "not validate when a circular relation is created" do
ti1 = FactoryBot.create(:tag_implication, :antecedent_name => "aaa", :consequent_name => "bbb")
ti2 = FactoryBot.build(:tag_implication, :antecedent_name => "bbb", :consequent_name => "aaa")
ti2.save
assert(ti2.errors.any?, "Tag implication should not have validated.")
assert_equal("Tag implication can not create a circular relation with another tag implication", ti2.errors.full_messages.join(""))
ti2 = FactoryBot.create(:tag_implication, :antecedent_name => "bbb", :consequent_name => "ccc")
ti3 = FactoryBot.build(:tag_implication, :antecedent_name => "bbb", :consequent_name => "aaa")
assert(ti1.valid?)
assert(ti2.valid?)
refute(ti3.valid?)
assert_equal("Tag implication can not create a circular relation with another tag implication", ti3.errors.full_messages.join(""))
end
should "not validate when a transitive relation is created" do