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core: RDF.Data.deleting a Description with a different subject does nothing

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This commit is contained in:
Marcel Otto 2017-06-02 17:27:03 +02:00
parent 81ffadbc53
commit e666d9d143
2 changed files with 9 additions and 0 deletions
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4
lib/rdf/description.ex
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@ -505,6 +505,10 @@ end
defimpl RDF.Data, for: RDF.Description do
def add(description, statements), do: RDF.Description.add(description, statements)
def put(description, statements), do: RDF.Description.put(description, statements)
def delete(%RDF.Description{subject: subject} = description,
%RDF.Description{subject: other_subject})
when subject != other_subject,
do: description
def delete(description, statements), do: RDF.Description.delete(description, statements)
def pop(description), do: RDF.Description.pop(description)

5
test/unit/description_test.exs
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@ -387,6 +387,11 @@ defmodule RDF.DescriptionTest do
assert RDF.Data.delete(description, {EX.Other, EX.p1, EX.O2}) == description
end
test "deleting a Description with a different subject does nothing", %{description: description} do
assert RDF.Data.delete(description,
%Description{description | subject: EX.Other}) == description
end
test "pop", %{description: description} do
assert RDF.Data.pop(description) == Description.pop(description)
end