def test_create_context():
ctx = Context()
ctx.add_term("label", "http://example.org/ns/label")
term = ctx.terms.get("label")
assert term.name == "label"
assert ctx.find_term("http://example.org/ns/label") is term
def test_accessing_keyword_values_by_alias():
ctx = Context({"iri": "@id", "lang": "@language"})
assert ctx.get_id({"iri": "urn:x:1"}) == "urn:x:1"
assert ctx.get_language({"lang": "en"}) == "en"
# test_standard_keywords_still_work():
assert ctx.get_id({"@id": "urn:x:1"}) == "urn:x:1"
# test_representing_keywords_by_alias():
assert ctx.id_key == "iri"
assert ctx.lang_key == "lang"
def test_parsing_a_context_expands_prefixes():
ctx = Context({
"@vocab": "http://example.org/ns/",
"x": "http://example.org/ns/",
"label": "x:label",
"x:updated": {
"@type": "x:date"
},
})
term = ctx.terms.get("label")
assert term.id == "http://example.org/ns/label"
term = ctx.terms.get("x:updated")
assert term.id == "http://example.org/ns/updated"
assert term.type == "http://example.org/ns/date"
# test_expanding_terms():
assert ctx.expand("term") == "http://example.org/ns/term"
assert ctx.expand("x:term") == "http://example.org/ns/term"
# test_shrinking_iris():
assert ctx.shrink_iri("http://example.org/ns/term") == "x:term"
assert ctx.to_symbol("http://example.org/ns/term") == "term"
def test_select_term_based_on_value_characteristics():
ctx = Context()
ctx.add_term("updated", "http://example.org/ns/updated")
ctx.add_term(
"updatedDate",
"http://example.org/ns/updated",
coercion="http://www.w3.org/2001/XMLSchema#date",
)
assert ctx.find_term("http://example.org/ns/updated").name == "updated"
assert (ctx.find_term(
"http://example.org/ns/updated",
coercion="http://www.w3.org/2001/XMLSchema#date",
).name == "updatedDate")
def test_loading_contexts():
# Given context data:
source1 = "http://example.org/base.jsonld"
source2 = "http://example.org/context.jsonld"
SOURCES[source1] = {"@context": {"@vocab": "http://example.org/vocab/"}}
SOURCES[source2] = {"@context": [source1, {"n": "name"}]}
# Create a context:
ctx = Context(source2)
assert ctx.expand("n") == "http://example.org/vocab/name"
# Context can be a list:
ctx = Context([source2])
assert ctx.expand("n") == "http://example.org/vocab/name"
def test_resolving_iris():
ctx = Context({"@base": "http://example.org/path/leaf"})
assert ctx.resolve("/") == "http://example.org/"
assert ctx.resolve("/trail") == "http://example.org/trail"
assert ctx.resolve("../") == "http://example.org/"
assert ctx.resolve("../../") == "http://example.org/"
def test_getting_keyword_values_from_nodes():
ctx = Context()
assert ctx.get_id({"@id": "urn:x:1"}) == "urn:x:1"
assert ctx.get_language({"@language": "en"}) == "en"
def test_invalid_remote_context():
ctx_url = "http://example.org/recursive.jsonld"
SOURCES[ctx_url] = {"key": "value"}
ctx = Context(ctx_url)
def test_recursive_context_inclusion_error():
ctx_url = "http://example.org/recursive.jsonld"
SOURCES[ctx_url] = {"@context": ctx_url}
ctx = Context(ctx_url)
def test_ignore_base_remote_context():
ctx_url = "http://example.org/remote-base.jsonld"
SOURCES[ctx_url] = {"@context": {"@base": "/remote"}}
ctx = Context(ctx_url)
assert ctx.base == None
def test_set_null_base():
ctx = Context(base="http://example.org/app/data/item",
source={"@base": None})
assert ctx.base is None
assert ctx.resolve_iri("../other") == "../other"
def test_resolve_relative_base():
ctx = Context(base="http://example.org/app/data/item",
source={"@base": "../"})
assert ctx.base == "http://example.org/app/"
assert ctx.resolve_iri("../other") == "http://example.org/other"
def test_override_base():
ctx = Context(base="http://example.org/app/data/item",
source={"@base": "http://example.org/"})
assert ctx.base == "http://example.org/"
def test_use_base_in_local_context():
ctx = Context({"@base": "/local"})
assert ctx.base == "/local"
def test_prefix_like_vocab():
ctx = Context({"@vocab": "ex:", "term": "ex:term"})
term = ctx.terms.get("term")
assert term.id == "ex:term"
def test_creating_a_subcontext():
ctx = Context()
ctx4 = ctx.subcontext({"lang": "@language"})
assert ctx4.get_language({"lang": "en"}) == "en"