e141841e78
- ability to create vocabulary namespaces from RDF data - XSD, RDF, RDFS, OWL and SKOS vocabulary namespaces
91 lines
2.7 KiB
Elixir
91 lines
2.7 KiB
Elixir
defmodule RDF.LiteralTest do
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use ExUnit.Case
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alias RDF.{Literal}
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alias RDF.NS.XSD
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doctest RDF.Literal
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describe "construction by type inference" do
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test "creating an string literal" do
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string_literal = Literal.new("foo")
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assert string_literal.value == "foo"
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assert string_literal.datatype == XSD.string
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end
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test "creating an integer by type inference" do
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int_literal = Literal.new(42)
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assert int_literal.value == 42
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assert int_literal.datatype == XSD.integer
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end
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test "creating a boolean by type inference" do
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int_literal = Literal.new(true)
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assert int_literal.value == true
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assert int_literal.datatype == XSD.boolean
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int_literal = Literal.new(false)
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assert int_literal.value == false
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assert int_literal.datatype == XSD.boolean
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end
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end
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describe "construction with an explicit unknown datatype" do
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literal = Literal.new("custom typed value", datatype: "http://example/dt")
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assert literal.value == "custom typed value"
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assert literal.datatype == RDF.uri("http://example/dt")
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end
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describe "construction with an explicit known (XSD) datatype" do
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test "creating a boolean" do
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bool_literal = Literal.new("true", datatype: XSD.boolean)
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assert bool_literal.value == true
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assert bool_literal.datatype == XSD.boolean
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bool_literal = Literal.new(true, datatype: XSD.boolean)
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assert bool_literal.value == true
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assert bool_literal.datatype == XSD.boolean
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bool_literal = Literal.new("false", datatype: XSD.boolean)
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assert bool_literal.value == false
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assert bool_literal.datatype == XSD.boolean
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bool_literal = Literal.new(false, datatype: XSD.boolean)
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assert bool_literal.value == false
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assert bool_literal.datatype == XSD.boolean
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end
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test "creating an integer" do
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int_literal = Literal.new(42, datatype: XSD.integer)
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assert int_literal.value == 42
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assert int_literal.datatype == XSD.integer
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int_literal = Literal.new("42", datatype: XSD.integer)
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assert int_literal.value == 42
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assert int_literal.datatype == XSD.integer
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int_literal = Literal.new(true, datatype: XSD.integer)
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assert int_literal.value == 1
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assert int_literal.datatype == XSD.integer
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int_literal = Literal.new(false, datatype: XSD.integer)
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assert int_literal.value == 0
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assert int_literal.datatype == XSD.integer
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end
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end
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test "creating a language-tagged string literal" do
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literal = Literal.new("Eule", language: "de")
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assert literal.value == "Eule"
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assert literal.datatype == RDF.langString
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assert literal.language == "de"
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end
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@tag :skip
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test "construction of a typed and language-tagged literal fails" do
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end
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end
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