414 lines
16 KiB
Elixir
414 lines
16 KiB
Elixir
defmodule RDF.GraphTest do
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use RDF.Test.Case
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doctest RDF.Graph
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describe "new" do
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test "creating an empty unnamed graph" do
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assert unnamed_graph?(unnamed_graph())
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end
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test "creating an empty graph with a proper graph name" do
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refute unnamed_graph?(named_graph())
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assert named_graph?(named_graph())
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end
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test "creating an empty graph with a blank node as graph name" do
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assert named_graph(bnode("graph_name"))
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|> named_graph?(bnode("graph_name"))
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end
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test "creating an empty graph with a coercible graph name" do
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assert named_graph("http://example.com/graph/GraphName")
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|> named_graph?(uri("http://example.com/graph/GraphName"))
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assert named_graph(EX.Foo) |> named_graph?(uri(EX.Foo))
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end
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test "creating an unnamed graph with an initial triple" do
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g = Graph.new({EX.Subject, EX.predicate, EX.Object})
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assert unnamed_graph?(g)
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object})
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g = Graph.new(EX.Subject, EX.predicate, EX.Object)
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assert unnamed_graph?(g)
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object})
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end
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test "creating a named graph with an initial triple" do
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g = Graph.new(EX.GraphName, {EX.Subject, EX.predicate, EX.Object})
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assert named_graph?(g, uri(EX.GraphName))
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object})
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g = Graph.new(EX.GraphName, EX.Subject, EX.predicate, EX.Object)
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assert named_graph?(g, uri(EX.GraphName))
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object})
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end
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test "creating an unnamed graph with a list of initial triples" do
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g = Graph.new([{EX.Subject1, EX.predicate1, EX.Object1},
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{EX.Subject2, EX.predicate2, EX.Object2}])
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assert unnamed_graph?(g)
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate1, EX.Object1})
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assert graph_includes_statement?(g, {EX.Subject2, EX.predicate2, EX.Object2})
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g = Graph.new(EX.Subject, EX.predicate, [EX.Object1, EX.Object2])
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assert unnamed_graph?(g)
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object1})
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object2})
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end
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test "creating a named graph with a list of initial triples" do
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g = Graph.new(EX.GraphName, [{EX.Subject, EX.predicate1, EX.Object1},
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{EX.Subject, EX.predicate2, EX.Object2}])
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assert named_graph?(g, uri(EX.GraphName))
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate1, EX.Object1})
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate2, EX.Object2})
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g = Graph.new(EX.GraphName, EX.Subject, EX.predicate, [EX.Object1, EX.Object2])
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assert named_graph?(g, uri(EX.GraphName))
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object1})
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object2})
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end
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test "creating a named graph with an initial description" do
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g = Graph.new(EX.GraphName, Description.new({EX.Subject, EX.predicate, EX.Object}))
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assert named_graph?(g, uri(EX.GraphName))
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object})
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end
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test "creating an unnamed graph with an initial description" do
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g = Graph.new(Description.new({EX.Subject, EX.predicate, EX.Object}))
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assert unnamed_graph?(g)
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object})
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end
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test "creating a named graph from another graph" do
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g = Graph.new(EX.GraphName, Graph.new({EX.Subject, EX.predicate, EX.Object}))
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assert named_graph?(g, uri(EX.GraphName))
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object})
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g = Graph.new(EX.GraphName, Graph.new(EX.OtherGraphName, {EX.Subject, EX.predicate, EX.Object}))
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assert named_graph?(g, uri(EX.GraphName))
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object})
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end
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test "creating an unnamed graph from another graph" do
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g = Graph.new(Graph.new({EX.Subject, EX.predicate, EX.Object}))
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assert unnamed_graph?(g)
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object})
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g = Graph.new(Graph.new(EX.OtherGraphName, {EX.Subject, EX.predicate, EX.Object}))
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assert unnamed_graph?(g)
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assert graph_includes_statement?(g, {EX.Subject, EX.predicate, EX.Object})
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end
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end
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describe "add" do
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test "a proper triple" do
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assert Graph.add(graph(), uri(EX.Subject), EX.predicate, uri(EX.Object))
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|> graph_includes_statement?({EX.Subject, EX.predicate, EX.Object})
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assert Graph.add(graph(), {uri(EX.Subject), EX.predicate, uri(EX.Object)})
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|> graph_includes_statement?({EX.Subject, EX.predicate, EX.Object})
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end
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test "a coercible triple" do
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assert Graph.add(graph(),
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"http://example.com/Subject", EX.predicate, EX.Object)
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|> graph_includes_statement?({EX.Subject, EX.predicate, EX.Object})
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assert Graph.add(graph(),
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{"http://example.com/Subject", EX.predicate, EX.Object})
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|> graph_includes_statement?({EX.Subject, EX.predicate, EX.Object})
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end
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test "a triple with multiple objects" do
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g = Graph.add(graph(), EX.Subject1, EX.predicate1, [EX.Object1, EX.Object2])
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate1, EX.Object1})
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate1, EX.Object2})
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end
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test "a list of triples" do
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g = Graph.add(graph(), [
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{EX.Subject1, EX.predicate1, EX.Object1},
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{EX.Subject1, EX.predicate2, EX.Object2},
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{EX.Subject3, EX.predicate3, EX.Object3}
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])
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate1, EX.Object1})
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate2, EX.Object2})
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assert graph_includes_statement?(g, {EX.Subject3, EX.predicate3, EX.Object3})
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end
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test "a Description" do
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g = Graph.add(graph(), Description.new(EX.Subject1, [
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{EX.predicate1, EX.Object1},
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{EX.predicate2, EX.Object2},
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]))
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate1, EX.Object1})
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate2, EX.Object2})
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g = Graph.add(g, Description.new({EX.Subject1, EX.predicate3, EX.Object3}))
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate1, EX.Object1})
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate2, EX.Object2})
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate3, EX.Object3})
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end
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test "a list of Descriptions" do
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g = Graph.add(graph(), [
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Description.new({EX.Subject1, EX.predicate1, EX.Object1}),
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Description.new({EX.Subject2, EX.predicate2, EX.Object2}),
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Description.new({EX.Subject1, EX.predicate3, EX.Object3})
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])
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate1, EX.Object1})
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assert graph_includes_statement?(g, {EX.Subject2, EX.predicate2, EX.Object2})
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate3, EX.Object3})
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end
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test "duplicates are ignored" do
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g = Graph.add(graph(), {EX.Subject, EX.predicate, EX.Object})
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assert Graph.add(g, {EX.Subject, EX.predicate, EX.Object}) == g
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end
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test "a Graph" do
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g = Graph.add(graph(), Graph.new([
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{EX.Subject1, EX.predicate1, EX.Object1},
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{EX.Subject2, EX.predicate2, EX.Object2},
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{EX.Subject3, EX.predicate3, EX.Object3}
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]))
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate1, EX.Object1})
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assert graph_includes_statement?(g, {EX.Subject2, EX.predicate2, EX.Object2})
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assert graph_includes_statement?(g, {EX.Subject3, EX.predicate3, EX.Object3})
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g = Graph.add(g, Graph.new([
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{EX.Subject1, EX.predicate1, EX.Object2},
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{EX.Subject2, EX.predicate4, EX.Object4},
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]))
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate1, EX.Object1})
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assert graph_includes_statement?(g, {EX.Subject1, EX.predicate1, EX.Object2})
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assert graph_includes_statement?(g, {EX.Subject2, EX.predicate2, EX.Object2})
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assert graph_includes_statement?(g, {EX.Subject2, EX.predicate4, EX.Object4})
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assert graph_includes_statement?(g, {EX.Subject3, EX.predicate3, EX.Object3})
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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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Graph.add(graph(), {"not a URI", EX.predicate, uri(EX.Object)})
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end
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assert_raise RDF.InvalidLiteralError, fn ->
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Graph.add(graph(), {EX.Subject, EX.prop, self()})
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end
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end
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end
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describe "put" do
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test "a list of triples" do
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g = Graph.new([{EX.S1, EX.P1, EX.O1}, {EX.S2, EX.P2, EX.O2}])
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|> RDF.Graph.put([{EX.S1, EX.P2, EX.O3}, {EX.S1, EX.P2, bnode(:foo)},
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{EX.S2, EX.P2, EX.O3}, {EX.S2, EX.P2, EX.O4}])
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assert Graph.triple_count(g) == 5
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assert graph_includes_statement?(g, {EX.S1, EX.P1, EX.O1})
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assert graph_includes_statement?(g, {EX.S1, EX.P2, EX.O3})
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assert graph_includes_statement?(g, {EX.S1, EX.P2, bnode(:foo)})
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assert graph_includes_statement?(g, {EX.S2, EX.P2, EX.O3})
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assert graph_includes_statement?(g, {EX.S2, EX.P2, EX.O4})
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end
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test "a Description" do
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g = Graph.new([{EX.S1, EX.P1, EX.O1}, {EX.S2, EX.P2, EX.O2}, {EX.S1, EX.P3, EX.O3}])
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|> RDF.Graph.put(Description.new(EX.S1, [{EX.P3, EX.O4}, {EX.P2, bnode(:foo)}]))
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assert Graph.triple_count(g) == 4
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assert graph_includes_statement?(g, {EX.S1, EX.P1, EX.O1})
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assert graph_includes_statement?(g, {EX.S1, EX.P3, EX.O4})
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assert graph_includes_statement?(g, {EX.S1, EX.P2, bnode(:foo)})
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assert graph_includes_statement?(g, {EX.S2, EX.P2, EX.O2})
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end
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test "a Graph" do
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g =
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Graph.new([
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{EX.S1, EX.P1, EX.O1},
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{EX.S1, EX.P3, EX.O3},
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{EX.S2, EX.P2, EX.O2},
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])
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|> RDF.Graph.put(Graph.new([
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{EX.S1, EX.P3, EX.O4},
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{EX.S2, EX.P2, bnode(:foo)},
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{EX.S3, EX.P3, EX.O3}
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]))
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assert Graph.triple_count(g) == 4
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assert graph_includes_statement?(g, {EX.S1, EX.P1, EX.O1})
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assert graph_includes_statement?(g, {EX.S1, EX.P3, EX.O4})
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assert graph_includes_statement?(g, {EX.S2, EX.P2, bnode(:foo)})
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assert graph_includes_statement?(g, {EX.S3, EX.P3, EX.O3})
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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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graph1: Graph.new({EX.S, EX.p, EX.O}),
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graph2: Graph.new(EX.Graph, {EX.S, EX.p, [EX.O1, EX.O2]}),
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graph3: Graph.new([
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{EX.S1, EX.p1, [EX.O1, EX.O2]},
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{EX.S2, EX.p2, EX.O3},
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{EX.S3, 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 triple",
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%{graph1: graph1, graph2: graph2} do
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assert Graph.delete(Graph.new, {EX.S, EX.p, EX.O}) == Graph.new
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assert Graph.delete(graph1, {EX.S, EX.p, EX.O}) == Graph.new
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assert Graph.delete(graph2, {EX.S, EX.p, EX.O1}) ==
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Graph.new(EX.Graph, {EX.S, EX.p, EX.O2})
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assert Graph.delete(graph2, {EX.S, EX.p, EX.O1}) ==
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Graph.new(EX.Graph, {EX.S, EX.p, EX.O2})
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end
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test "multiple statements with a triple with multiple objects",
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%{graph1: graph1, graph2: graph2} do
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assert Graph.delete(Graph.new, {EX.S, EX.p, [EX.O1, EX.O2]}) == Graph.new
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assert Graph.delete(graph1, {EX.S, EX.p, [EX.O, EX.O2]}) == Graph.new
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assert Graph.delete(graph2, {EX.S, EX.p, [EX.O1, EX.O2]}) == Graph.new(EX.Graph)
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end
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test "multiple statements with a list of triples",
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%{graph1: graph1, graph2: graph2, graph3: graph3} do
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assert Graph.delete(graph1, [{EX.S, EX.p, EX.O},
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{EX.S, EX.p, EX.O2}]) == Graph.new
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assert Graph.delete(graph2, [{EX.S, EX.p, EX.O1},
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{EX.S, EX.p, EX.O2}]) == Graph.new(EX.Graph)
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assert Graph.delete(graph3, [
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{EX.S1, EX.p1, [EX.O1, EX.O2]},
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{EX.S2, EX.p2, EX.O3},
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{EX.S3, EX.p3, ~B<foo>}]) == Graph.new({EX.S3, EX.p3, ~L"bar"})
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end
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test "multiple statements with a Description",
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%{graph1: graph1, graph2: graph2, graph3: graph3} do
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assert Graph.delete(graph1, Description.new(EX.S,
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[{EX.p, EX.O}, {EX.p2, EX.O2}])) == Graph.new
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assert Graph.delete(graph2, Description.new(EX.S, EX.p, [EX.O1, EX.O2])) ==
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Graph.new(EX.Graph)
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assert Graph.delete(graph3, Description.new(EX.S3, EX.p3, ~B<foo>)) ==
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Graph.new([
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{EX.S1, EX.p1, [EX.O1, EX.O2]},
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{EX.S2, EX.p2, EX.O3},
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{EX.S3, EX.p3, [~L"bar"]},
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])
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end
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test "multiple statements with a Graph",
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%{graph1: graph1, graph2: graph2, graph3: graph3} do
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assert Graph.delete(graph1, graph2) == graph1
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assert Graph.delete(graph1, graph1) == Graph.new
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assert Graph.delete(graph2, Graph.new(EX.Graph, {EX.S, EX.p, [EX.O1, EX.O3]})) ==
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Graph.new(EX.Graph, {EX.S, EX.p, EX.O2})
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assert Graph.delete(graph3, Graph.new([
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{EX.S1, EX.p1, [EX.O1, EX.O2]},
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{EX.S2, EX.p2, EX.O3},
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{EX.S3, EX.p3, ~B<foo>},
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])) == Graph.new({EX.S3, EX.p3, ~L"bar"})
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end
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end
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describe "delete_subjects" do
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setup do
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{:ok,
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graph1: Graph.new(EX.Graph, {EX.S, EX.p, [EX.O1, EX.O2]}),
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graph2: Graph.new([
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{EX.S1, EX.p1, [EX.O1, EX.O2]},
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{EX.S2, EX.p2, EX.O3},
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{EX.S3, 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 subject", %{graph1: graph1} do
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assert Graph.delete_subjects(graph1, EX.Other) == graph1
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assert Graph.delete_subjects(graph1, EX.S) == Graph.new(EX.Graph)
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end
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test "a list of subjects", %{graph1: graph1, graph2: graph2} do
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assert Graph.delete_subjects(graph1, [EX.S, EX.Other]) == Graph.new(EX.Graph)
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assert Graph.delete_subjects(graph2, [EX.S1, EX.S2, EX.S3]) == Graph.new
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end
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end
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test "pop" do
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assert Graph.pop(Graph.new) == {nil, Graph.new}
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{triple, graph} = Graph.new({EX.S, EX.p, EX.O}) |> Graph.pop
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assert {uri(EX.S), uri(EX.p), uri(EX.O)} == triple
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assert Enum.count(graph.descriptions) == 0
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{{subject, predicate, _}, graph} =
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Graph.new([{EX.S, EX.p, EX.O1}, {EX.S, EX.p, EX.O2}])
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|> Graph.pop
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assert {subject, predicate} == {uri(EX.S), uri(EX.p)}
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assert Enum.count(graph.descriptions) == 1
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{{subject, _, _}, graph} =
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Graph.new([{EX.S, EX.p1, EX.O1}, {EX.S, EX.p2, EX.O2}])
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|> Graph.pop
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assert subject == uri(EX.S)
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assert Enum.count(graph.descriptions) == 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(Graph.new EX.foo) == 0
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assert Enum.count(Graph.new {EX.S, EX.p, EX.O}) == 1
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assert Enum.count(Graph.new [{EX.S, EX.p, EX.O1}, {EX.S, EX.p, EX.O2}]) == 2
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g = Graph.add(graph(), [
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{EX.Subject1, EX.predicate1, EX.Object1},
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{EX.Subject1, EX.predicate2, EX.Object2},
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{EX.Subject3, EX.predicate3, EX.Object3}
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])
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assert Enum.count(g) == 3
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end
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test "Enum.member?" do
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refute Enum.member?(Graph.new, {uri(EX.S), EX.p, uri(EX.O)})
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assert Enum.member?(Graph.new({EX.S, EX.p, EX.O}), {EX.S, EX.p, EX.O})
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g = Graph.add(graph(), [
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{EX.Subject1, EX.predicate1, EX.Object1},
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{EX.Subject1, EX.predicate2, EX.Object2},
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{EX.Subject3, EX.predicate3, EX.Object3}
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])
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assert Enum.member?(g, {EX.Subject1, EX.predicate1, EX.Object1})
|
|
assert Enum.member?(g, {EX.Subject1, EX.predicate2, EX.Object2})
|
|
assert Enum.member?(g, {EX.Subject3, EX.predicate3, EX.Object3})
|
|
end
|
|
|
|
test "Enum.reduce" do
|
|
g = Graph.add(graph(), [
|
|
{EX.Subject1, EX.predicate1, EX.Object1},
|
|
{EX.Subject1, EX.predicate2, EX.Object2},
|
|
{EX.Subject3, EX.predicate3, EX.Object3}
|
|
])
|
|
|
|
assert g == Enum.reduce(g, graph(),
|
|
fn(triple, acc) -> acc |> Graph.add(triple) end)
|
|
end
|
|
end
|
|
|
|
describe "Access behaviour" do
|
|
test "access with the [] operator" do
|
|
assert Graph.new[EX.Subject] == nil
|
|
assert Graph.new({EX.S, EX.p, EX.O})[EX.S] ==
|
|
Description.new({EX.S, EX.p, EX.O})
|
|
end
|
|
end
|
|
|
|
end
|