rdf-ex/test/unit/prefix_map_test.exs
2019-03-26 23:00:00 +01:00

228 lines
6.9 KiB
Elixir

defmodule RDF.PrefixMapTest do
use RDF.Test.Case
alias RDF.PrefixMap
@ex_ns1 ~I<http://example.com/foo/>
@ex_ns2 ~I<http://example.com/bar#>
@ex_ns3 ~I<http://example.com/baz#>
@example1 %PrefixMap{map: %{ex1: @ex_ns1}}
@example2 %PrefixMap{map: %{
ex1: @ex_ns1,
ex2: @ex_ns2
}}
@example3 %PrefixMap{map: %{
ex1: @ex_ns1,
ex2: @ex_ns2,
ex3: @ex_ns3
}}
@example4 %PrefixMap{map: %{
ex1: @ex_ns1,
ex: RDF.iri(EX.__base_iri__)
}}
test "new/0" do
assert PrefixMap.new() == %PrefixMap{}
end
describe "new/1" do
test "with a map" do
assert PrefixMap.new(%{
"ex1" => "http://example.com/foo/",
"ex2" => "http://example.com/bar#"
}) == @example2
end
test "with a keyword map" do
assert PrefixMap.new(
ex1: "http://example.com/foo/",
ex2: "http://example.com/bar#"
) == @example2
end
test "when the IRI namespace is given as a RDF.Vocabulary.Namespace" do
assert PrefixMap.new(
ex1: "http://example.com/foo/",
ex: EX
) == @example4
end
end
describe "add/3" do
test "when no mapping of the given prefix exists" do
assert PrefixMap.add(@example1, :ex2, @ex_ns2) == {:ok, @example2}
end
test "when the prefix is given as a string" do
assert PrefixMap.add(@example1, "ex2", @ex_ns2) == {:ok, @example2}
end
test "when the IRI namespace is given as a string" do
assert PrefixMap.add(@example1, :ex2, "http://example.com/bar#") == {:ok, @example2}
end
test "when the IRI namespace is given as a RDF.Vocabulary.Namespace" do
assert PrefixMap.add(@example1, :ex, EX) == {:ok, @example4}
end
test "when the IRI namespace is given as an atom" do
assert_raise ArgumentError, "Invalid prefix mapping for :ex, :foo is not a vocabulary namespace", fn ->
PrefixMap.add(@example1, :ex, :foo)
end
end
test "when a mapping of the given prefix to the same namespace already exists" do
assert PrefixMap.add(@example2, :ex2, "http://example.com/bar#") == {:ok, @example2}
end
test "when a mapping of the given prefix to a different namespace already exists" do
assert PrefixMap.add(@example2, :ex2, @ex_ns3) ==
{:error, "prefix :ex2 is already mapped to another namespace"}
end
end
describe "add!/3" do
test "when no mapping of the given prefix exists" do
assert PrefixMap.add!(@example1, :ex2, @ex_ns2) == @example2
end
test "when a mapping of the given prefix to a different namespace already exists" do
assert_raise RuntimeError, "prefix :ex2 is already mapped to another namespace", fn ->
PrefixMap.add!(@example2, :ex2, @ex_ns3)
end
end
end
describe "merge/2" do
@ex_ns4 ~I<http://other.com/foo>
test "when the prefix maps are disjunctive" do
other_prefix_map = PrefixMap.new(ex3: @ex_ns3)
assert PrefixMap.merge(@example2, other_prefix_map) == {:ok, @example3}
end
test "when the prefix maps share some prefixes, but both map to the same namespace" do
other_prefix_map = PrefixMap.new(ex3: @ex_ns3)
assert PrefixMap.merge(@example3, other_prefix_map) == {:ok, @example3}
end
test "when the prefix maps share some prefixes and both map to different namespaces" do
other_prefix_map = PrefixMap.new(ex3: @ex_ns4)
assert PrefixMap.merge(@example3, other_prefix_map) == {:error, "conflicting prefix mappings: :ex3"}
end
test "when the second prefix map is given as a structure convertible to a prefix map" do
assert PrefixMap.merge(@example2, %{ex3: @ex_ns3}) == {:ok, @example3}
assert PrefixMap.merge(@example2, ex3: @ex_ns3) == {:ok, @example3}
end
test "when the second argument is not convertible to a prefix map" do
assert_raise ArgumentError, ~S["not convertible" is not convertible to a RDF.PrefixMap], fn ->
PrefixMap.merge(@example2, "not convertible")
end
end
end
describe "merge!/2" do
test "when the prefix maps can be merged" do
other_prefix_map = PrefixMap.new(ex3: @ex_ns3)
assert PrefixMap.merge!(@example2, other_prefix_map) == @example3
end
test "when the prefix maps can not be merged" do
assert_raise RuntimeError, "conflicting prefix mappings: :ex2", fn ->
PrefixMap.merge!(@example2, ex2: @ex_ns3)
end
end
end
describe "delete/2" do
test "when a mapping of the given prefix exists" do
assert PrefixMap.delete(@example2, :ex2) == @example1
end
test "when no mapping of the given prefix exists" do
assert PrefixMap.delete(@example1, :ex2) == @example1
end
test "with the prefix is given as a string" do
assert PrefixMap.delete(@example2, "ex2") == @example1
end
end
describe "namespace/2" do
test "when a mapping of the given prefix exists" do
assert PrefixMap.namespace(@example2, :ex2) == @ex_ns2
end
test "when no mapping of the given prefix exists" do
assert PrefixMap.namespace(@example1, :ex2) == nil
end
test "with the prefix is given as a string" do
assert PrefixMap.namespace(@example2, "ex2") == @ex_ns2
end
end
describe "prefix/2" do
test "when a mapping to the given namespace exists" do
assert PrefixMap.prefix(@example2, @ex_ns2) == :ex2
end
test "when no mapping to the given namespace exists" do
assert PrefixMap.prefix(@example1, @ex_ns2) == nil
end
test "with the namespace is given as a string" do
assert PrefixMap.prefix(@example2, to_string(@ex_ns2)) == :ex2
end
end
describe "has_prefix?/2" do
test "when a mapping of the given prefix exists" do
assert PrefixMap.has_prefix?(@example2, :ex2) == true
end
test "when no mapping of the given prefix exists" do
assert PrefixMap.has_prefix?(@example1, :ex2) == false
end
test "with the prefix is given as a string" do
assert PrefixMap.has_prefix?(@example2, "ex2") == true
end
end
test "prefixes/1" do
assert PrefixMap.prefixes(@example2) == ~w[ex1 ex2]a
assert PrefixMap.prefixes(PrefixMap.new) == ~w[]a
end
describe "namespaces/1" do
assert PrefixMap.namespaces(@example2) == [@ex_ns1, @ex_ns2]
assert PrefixMap.namespaces(PrefixMap.new) == ~w[]a
end
describe "Enumerable protocol" do
test "Enum.count" do
assert Enum.count(PrefixMap.new) == 0
assert Enum.count(@example1) == 1
assert Enum.count(@example2) == 2
end
test "Enum.member?" do
assert Enum.member?(@example2, {:ex1, @ex_ns1})
assert Enum.member?(@example2, {:ex2, @ex_ns2})
refute Enum.member?(@example2, {:ex1, @ex_ns2})
refute Enum.member?(@example2, {:ex2, @ex_ns3})
end
test "Enum.reduce" do
assert Enum.reduce(@example2, [], fn(mapping, acc) -> [mapping | acc] end) ==
[{:ex2, @ex_ns2}, {:ex1, @ex_ns1}]
end
end
end