387 lines
17 KiB
Elixir
387 lines
17 KiB
Elixir
defmodule RDF.DescriptionTest do
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use RDF.Test.Case
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doctest RDF.Description
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describe "new" do
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test "with a subject URI" do
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assert description_of_subject(Description.new(URI.parse("http://example.com/description/subject")),
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URI.parse("http://example.com/description/subject"))
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end
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test "with a raw subject URI string" do
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assert description_of_subject(Description.new("http://example.com/description/subject"),
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URI.parse("http://example.com/description/subject"))
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end
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test "with an unresolved subject URI term atom" do
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assert description_of_subject(Description.new(EX.Bar), uri(EX.Bar))
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end
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test "with a BlankNode subject" do
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assert description_of_subject(Description.new(bnode(:foo)), bnode(:foo))
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end
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test "with a single initial triple" do
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desc = Description.new({EX.Subject, EX.predicate, EX.Object})
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assert description_of_subject(desc, uri(EX.Subject))
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assert description_includes_predication(desc, {EX.predicate, uri(EX.Object)})
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desc = Description.new(EX.Subject, EX.predicate, 42)
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assert description_of_subject(desc, uri(EX.Subject))
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assert description_includes_predication(desc, {EX.predicate, literal(42)})
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end
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test "with a list of initial triples" do
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desc = Description.new([{EX.Subject, EX.predicate1, EX.Object1},
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{EX.Subject, EX.predicate2, EX.Object2}])
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assert description_of_subject(desc, uri(EX.Subject))
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assert description_includes_predication(desc, {EX.predicate1, uri(EX.Object1)})
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assert description_includes_predication(desc, {EX.predicate2, uri(EX.Object2)})
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desc = Description.new(EX.Subject, EX.predicate, [EX.Object, bnode(:foo), "bar"])
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assert description_of_subject(desc, uri(EX.Subject))
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assert description_includes_predication(desc, {EX.predicate, uri(EX.Object)})
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assert description_includes_predication(desc, {EX.predicate, bnode(:foo)})
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assert description_includes_predication(desc, {EX.predicate, literal("bar")})
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end
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test "from another description" do
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desc1 = Description.new({EX.Other, EX.predicate, EX.Object})
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desc2 = Description.new(EX.Subject, desc1)
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assert description_of_subject(desc2, uri(EX.Subject))
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assert description_includes_predication(desc2, {EX.predicate, uri(EX.Object)})
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end
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test "from a map with coercible RDF term" do
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desc = Description.new(EX.Subject, %{EX.Predicate => EX.Object})
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assert description_of_subject(desc, uri(EX.Subject))
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assert description_includes_predication(desc, {uri(EX.Predicate), uri(EX.Object)})
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end
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test "with another description as subject, it performs and add " do
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desc = Description.new({EX.S, EX.p, EX.O})
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assert Description.new(desc, EX.p2, EX.O2) ==
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Description.add(desc, EX.p2, EX.O2)
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assert Description.new(desc, EX.p, [EX.O1, EX.O2]) ==
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Description.add(desc, EX.p, [EX.O1, EX.O2])
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end
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end
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describe "add" do
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test "a predicate-object-pair of proper RDF terms" do
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assert Description.add(description(), EX.predicate, uri(EX.Object))
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|> description_includes_predication({EX.predicate, uri(EX.Object)})
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assert Description.add(description(), {EX.predicate, uri(EX.Object)})
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|> description_includes_predication({EX.predicate, uri(EX.Object)})
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end
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test "a predicate-object-pair of coercible RDF terms" do
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assert Description.add(description(),
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"http://example.com/predicate", uri(EX.Object))
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|> description_includes_predication({EX.predicate, uri(EX.Object)})
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assert Description.add(description(),
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{"http://example.com/predicate", 42})
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|> description_includes_predication({EX.predicate, literal(42)})
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assert Description.add(description(),
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{"http://example.com/predicate", true})
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|> description_includes_predication({EX.predicate, literal(true)})
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assert Description.add(description(),
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{"http://example.com/predicate", bnode(:foo)})
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|> description_includes_predication({EX.predicate, bnode(:foo)})
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end
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test "a proper triple" do
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assert Description.add(description(),
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{uri(EX.Subject), EX.predicate, uri(EX.Object)})
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|> description_includes_predication({EX.predicate, uri(EX.Object)})
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assert Description.add(description(),
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{uri(EX.Subject), EX.predicate, literal(42)})
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|> description_includes_predication({EX.predicate, literal(42)})
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assert Description.add(description(),
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{uri(EX.Subject), EX.predicate, bnode(:foo)})
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|> description_includes_predication({EX.predicate, bnode(:foo)})
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end
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test "add ignores triples not about the subject of the Description struct" do
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assert empty_description(
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Description.add(description(), {EX.Other, EX.predicate, uri(EX.Object)}))
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end
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test "a list of predicate-object-pairs" do
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desc = Description.add(description(),
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[{EX.predicate, EX.Object1}, {EX.predicate, EX.Object2}])
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assert description_includes_predication(desc, {EX.predicate, uri(EX.Object1)})
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assert description_includes_predication(desc, {EX.predicate, uri(EX.Object2)})
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end
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test "a list of triples" do
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desc = Description.add(description(), [
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{EX.Subject, EX.predicate1, EX.Object1},
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{EX.Subject, EX.predicate2, EX.Object2}
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])
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assert description_includes_predication(desc, {EX.predicate1, uri(EX.Object1)})
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assert description_includes_predication(desc, {EX.predicate2, uri(EX.Object2)})
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end
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test "a list of mixed triples and predicate-object-pairs" do
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desc = Description.add(description(), [
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{EX.predicate, EX.Object1},
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{EX.Subject, EX.predicate, EX.Object2},
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{EX.Other, EX.predicate, EX.Object3}
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])
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assert description_of_subject(desc, uri(EX.Subject))
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assert description_includes_predication(desc, {EX.predicate, uri(EX.Object1)})
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assert description_includes_predication(desc, {EX.predicate, uri(EX.Object2)})
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refute description_includes_predication(desc, {EX.predicate, uri(EX.Object3)})
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end
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test "another description" do
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desc = description([{EX.predicate1, EX.Object1}, {EX.predicate2, EX.Object2}])
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|> Description.add(Description.new({EX.Other, EX.predicate3, EX.Object3}))
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assert description_of_subject(desc, uri(EX.Subject))
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assert description_includes_predication(desc, {EX.predicate1, uri(EX.Object1)})
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assert description_includes_predication(desc, {EX.predicate2, uri(EX.Object2)})
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assert description_includes_predication(desc, {EX.predicate3, uri(EX.Object3)})
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desc = Description.add(desc, Description.new({EX.Other, EX.predicate1, EX.Object4}))
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assert description_includes_predication(desc, {EX.predicate1, uri(EX.Object1)})
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assert description_includes_predication(desc, {EX.predicate2, uri(EX.Object2)})
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assert description_includes_predication(desc, {EX.predicate3, uri(EX.Object3)})
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assert description_includes_predication(desc, {EX.predicate1, uri(EX.Object4)})
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end
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test "a map of predications with coercible RDF terms" do
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desc = description([{EX.predicate1, EX.Object1}, {EX.predicate2, EX.Object2}])
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|> Description.add(%{EX.predicate3 => EX.Object3})
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assert description_of_subject(desc, uri(EX.Subject))
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assert description_includes_predication(desc, {EX.predicate1, uri(EX.Object1)})
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assert description_includes_predication(desc, {EX.predicate2, uri(EX.Object2)})
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assert description_includes_predication(desc, {EX.predicate3, uri(EX.Object3)})
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desc = Description.add(desc, %{EX.predicate1 => EX.Object1,
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EX.predicate2 => [EX.Object2, 42],
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EX.predicate3 => [bnode(:foo)]})
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assert Description.count(desc) == 5
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assert description_includes_predication(desc, {EX.predicate1, uri(EX.Object1)})
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assert description_includes_predication(desc, {EX.predicate2, uri(EX.Object2)})
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assert description_includes_predication(desc, {EX.predicate2, literal(42)})
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assert description_includes_predication(desc, {EX.predicate3, uri(EX.Object3)})
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assert description_includes_predication(desc, {EX.predicate3, bnode(:foo)})
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end
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test "a map of predications with non-coercible RDF terms" do
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assert_raise RDF.InvalidURIError, fn ->
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Description.add(description(), %{"not a URI" => uri(EX.Object)})
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end
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assert_raise RDF.InvalidLiteralError, fn ->
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Description.add(description(), %{EX.prop => self()})
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end
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end
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test "duplicates are ignored" do
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desc = Description.add(description(), {EX.predicate, EX.Object})
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assert Description.add(desc, {EX.predicate, EX.Object}) == desc
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assert Description.add(desc, {EX.Subject, EX.predicate, EX.Object}) == desc
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desc = Description.add(description(), {EX.predicate, 42})
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assert Description.add(desc, {EX.predicate, literal(42)}) == desc
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end
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test "non-coercible Triple elements are causing an error" do
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assert_raise RDF.InvalidURIError, fn ->
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Description.add(description(), {"not a URI", uri(EX.Object)})
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end
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assert_raise RDF.InvalidLiteralError, fn ->
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Description.add(description(), {EX.prop, self()})
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end
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end
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end
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describe "delete" do
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setup do
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{:ok,
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empty_description: Description.new(EX.S),
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description1: Description.new(EX.S, EX.p, EX.O),
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description2: Description.new(EX.S, EX.p, [EX.O1, EX.O2]),
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description3: Description.new(EX.S, [
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{EX.p1, [EX.O1, EX.O2]},
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{EX.p2, EX.O3},
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{EX.p3, [~B<foo>, ~L"bar"]},
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])
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}
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end
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test "a single statement as a predicate object",
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%{empty_description: empty_description, description1: description1, description2: description2} do
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assert Description.delete(empty_description, EX.p, EX.O) == empty_description
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assert Description.delete(description1, EX.p, EX.O) == empty_description
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assert Description.delete(description2, EX.p, EX.O1) == Description.new(EX.S, EX.p, EX.O2)
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end
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test "a single statement as a predicate-object tuple",
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%{empty_description: empty_description, description1: description1, description2: description2} do
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assert Description.delete(empty_description, {EX.p, EX.O}) == empty_description
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assert Description.delete(description1, {EX.p, EX.O}) == empty_description
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assert Description.delete(description2, {EX.p, EX.O2}) == Description.new(EX.S, EX.p, EX.O1)
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end
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test "a single statement as a subject-predicate-object tuple and the proper description subject",
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%{empty_description: empty_description, description1: description1, description2: description2} do
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assert Description.delete(empty_description, {EX.S, EX.p, EX.O}) == empty_description
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assert Description.delete(description1, {EX.S, EX.p, EX.O}) == empty_description
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assert Description.delete(description2, {EX.S, EX.p, EX.O2}) == Description.new(EX.S, EX.p, EX.O1)
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end
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test "a single statement as a subject-predicate-object tuple and another description subject",
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%{empty_description: empty_description, description1: description1, description2: description2} do
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assert Description.delete(empty_description, {EX.Other, EX.p, EX.O}) == empty_description
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assert Description.delete(description1, {EX.Other, EX.p, EX.O}) == description1
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assert Description.delete(description2, {EX.Other, EX.p, EX.O2}) == description2
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end
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test "multiple statements via predicate-objects tuple",
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%{empty_description: empty_description, description1: description1, description2: description2} do
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assert Description.delete(empty_description, {EX.p, [EX.O1, EX.O2]}) == empty_description
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assert Description.delete(description1, {EX.p, [EX.O, EX.O2]}) == empty_description
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assert Description.delete(description2, {EX.p, [EX.O1, EX.O2]}) == empty_description
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end
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test "multiple statements with a list",
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%{empty_description: empty_description, description3: description3} do
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assert Description.delete(empty_description, [{EX.p, [EX.O1, EX.O2]}]) == empty_description
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assert Description.delete(description3, [
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{EX.p1, EX.O1},
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{EX.p2, [EX.O2, EX.O3]},
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{EX.S, EX.p3, [~B<foo>, ~L"bar"]},
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]) == Description.new(EX.S, EX.p1, EX.O2)
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end
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test "multiple statements with a map of predications",
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%{empty_description: empty_description, description3: description3} do
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assert Description.delete(empty_description, %{EX.p => EX.O1}) == empty_description
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assert Description.delete(description3, %{
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EX.p1 => EX.O1,
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EX.p2 => [EX.O2, EX.O3],
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EX.p3 => [~B<foo>, ~L"bar"],
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}) == Description.new(EX.S, EX.p1, EX.O2)
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end
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test "multiple statements with another description",
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%{empty_description: empty_description, description1: description1, description3: description3} do
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assert Description.delete(empty_description, description1) == empty_description
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assert Description.delete(description3, Description.new(EX.S, %{
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EX.p1 => EX.O1,
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EX.p2 => [EX.O2, EX.O3],
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EX.p3 => [~B<foo>, ~L"bar"],
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})) == Description.new(EX.S, EX.p1, EX.O2)
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end
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end
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describe "delete_predicates" do
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setup do
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{:ok,
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empty_description: Description.new(EX.S),
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description1: Description.new(EX.S, EX.p, [EX.O1, EX.O2]),
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description2: Description.new(EX.S, [
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{EX.P1, [EX.O1, EX.O2]},
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{EX.p2, [~B<foo>, ~L"bar"]},
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])
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}
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end
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test "a single property",
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%{empty_description: empty_description, description1: description1, description2: description2} do
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assert Description.delete_predicates(description1, EX.p) == empty_description
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assert Description.delete_predicates(description2, EX.P1) ==
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Description.new(EX.S, EX.p2, [~B<foo>, ~L"bar"])
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end
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test "a list of properties",
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%{empty_description: empty_description, description1: description1, description2: description2} do
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assert Description.delete_predicates(description1, [EX.p]) == empty_description
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assert Description.delete_predicates(description2, [EX.P1, EX.p2, EX.p3]) == empty_description
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end
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end
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test "pop" do
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assert Description.pop(Description.new(EX.S)) == {nil, Description.new(EX.S)}
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{triple, desc} = Description.new({EX.S, EX.p, EX.O}) |> Description.pop
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assert {uri(EX.S), uri(EX.p), uri(EX.O)} == triple
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assert Enum.count(desc.predications) == 0
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{{subject, predicate, _}, desc} =
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Description.new([{EX.S, EX.p, EX.O1}, {EX.S, EX.p, EX.O2}])
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|> Description.pop
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assert {subject, predicate} == {uri(EX.S), uri(EX.p)}
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assert Enum.count(desc.predications) == 1
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{{subject, _, _}, desc} =
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Description.new([{EX.S, EX.p1, EX.O1}, {EX.S, EX.p2, EX.O2}])
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|> Description.pop
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assert subject == uri(EX.S)
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assert Enum.count(desc.predications) == 1
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end
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describe "Enumerable protocol" do
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test "Enum.count" do
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assert Enum.count(Description.new EX.foo) == 0
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assert Enum.count(Description.new {EX.S, EX.p, EX.O}) == 1
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assert Enum.count(Description.new [{EX.S, EX.p, EX.O1}, {EX.S, EX.p, EX.O2}]) == 2
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end
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test "Enum.member?" do
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refute Enum.member?(Description.new(EX.S), {uri(EX.S), EX.p, uri(EX.O)})
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assert Enum.member?(Description.new({EX.S, EX.p, EX.O}), {EX.S, EX.p, EX.O})
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desc = Description.new([
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{EX.Subject, EX.predicate1, EX.Object1},
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{EX.Subject, EX.predicate2, EX.Object2},
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{EX.predicate2, EX.Object3}])
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assert Enum.member?(desc, {EX.Subject, EX.predicate1, EX.Object1})
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assert Enum.member?(desc, {EX.Subject, EX.predicate2, EX.Object2})
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assert Enum.member?(desc, {EX.Subject, EX.predicate2, EX.Object3})
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refute Enum.member?(desc, {EX.Subject, EX.predicate1, EX.Object2})
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end
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test "Enum.reduce" do
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desc = Description.new([
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{EX.Subject, EX.predicate1, EX.Object1},
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{EX.Subject, EX.predicate2, EX.Object2},
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{EX.predicate2, EX.Object3}])
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assert desc == Enum.reduce(desc, description(),
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fn(triple, acc) -> acc |> Description.add(triple) end)
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end
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end
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describe "Access behaviour" do
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test "access with the [] operator" do
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assert Description.new(EX.Subject)[EX.predicate] == nil
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assert Description.new(EX.Subject, EX.predicate, EX.Object)[EX.predicate] == [uri(EX.Object)]
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assert Description.new(EX.Subject, EX.Predicate, EX.Object)[EX.Predicate] == [uri(EX.Object)]
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assert Description.new(EX.Subject, EX.predicate, EX.Object)["http://example.com/predicate"] == [uri(EX.Object)]
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assert Description.new([{EX.Subject, EX.predicate1, EX.Object1},
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{EX.Subject, EX.predicate1, EX.Object2},
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{EX.Subject, EX.predicate2, EX.Object3}])[EX.predicate1] ==
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[uri(EX.Object1), uri(EX.Object2)]
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end
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end
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end
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