Nothing
test_that("redland library loads", {
library(redland)
# Add a line to this test to prevent 'Empty test' (skipped) msg.
expect_true(require(redland))
})
test_that("Statement constructor", {
library(redland)
world <- new("World")
expect_false(is.null(world))
# Test creating Subject, predicate, and object Nodes
subject <- new("Node", world, literal="subject")
expect_match(class(subject@librdf_node), "_p_librdf_node_s")
predicate <- new("Node", world, literal="subject")
expect_match(class(predicate@librdf_node), "_p_librdf_node_s")
object <- new("Node", world, literal="subject")
expect_match(class(object@librdf_node), "_p_librdf_node_s")
# Test creating the Statement
stmt <- new("Statement", world, subject, predicate, object)
expect_false(is.null(stmt))
expect_match(class(stmt@librdf_statement), "_p_librdf_statement_s")
# Test that statement creation fails if world is not provided or is null
err <- try(stmt <- new("Statement", world=NULL, subject=subject, predicate=predicate, object=object), silent=TRUE)
expect_match(class(err), "try-error")
# Test that statement creation fails if subject, predicate, or object is not provided or is null
err <- try(stmt <- new("Statement", world=world, subject=NULL, predicate=predicate, object=object), silent=TRUE)
expect_match(class(err), "try-error")
err <- try(stmt <- new("Statement", world=world, subject=subject, predicate=NULL, object=object), silent=TRUE)
expect_match(class(err), "try-error")
err <- try(stmt <- new("Statement", world=world, subject=subject, predicate=predicate, object=NULL), silent=TRUE)
expect_match(class(err), "try-error")
# Test statement creation when subject, predicate, object are passed in as character and RDF type is not specified
stmt <- new("Statement", world=world,
subject="https://cn.dataone.org/cn/v1/resolve/resourceMap_5cbcdecd-6b0e-4b24-a0be-20291b2e49a7#aggregation",
predicate="http://purl.org/dc/terms/identifier",
object="resourceMap_5cbcdecd-6b0e-4b24-a0be-20291b2e49a7^^xsd:string")
expect_match(getTermType(stmt, "subject"), "resource")
expect_match(getTermType(stmt, "predicate"), "resource")
expect_match(getTermType(stmt, "object"), "literal")
# Test
stmt <- new("Statement", world=world,
subject="_:foo1",
predicate="http://purl.org/dc/terms/identifier",
object=NULL)
expect_match(getTermType(stmt, "subject"), "blank")
expect_match(getTermType(stmt, "predicate"), "resource")
expect_match(getTermType(stmt, "object"), "blank")
err <- try(freeStatement(stmt), silent=TRUE)
expect_false(class(err) == "try-error")
stmt <- new("Statement", world=world,
subject=NULL,
predicate="http://purl.org/dc/terms/identifier",
object="id1234")
expect_match(getTermType(stmt, "subject"), "blank")
expect_match(getTermType(stmt, "predicate"), "resource")
expect_match(getTermType(stmt, "object"), "literal")
err <- try(freeStatement(stmt), silent=TRUE)
expect_false(class(err) == "try-error")
# Test statement creation when subject, predicate and object are passed in as charater and RDF types are specified
stmt <- new("Statement", world=world,
subject="http://www.exmaple.com/subject",
predicate="http://purl.org/dc/terms/identifier",
object="http://www.exmaple.com/object", subjectType="blank", objectType="literal")
expect_match(getTermType(stmt, "subject"), "blank")
expect_match(getTermType(stmt, "predicate"), "resource")
expect_match(getTermType(stmt, "object"), "literal")
err <- try(freeStatement(stmt), silent=TRUE)
expect_false(class(err) == "try-error")
err <- try(freeWorld(world), silent=TRUE)
expect_false(class(err) == "try-error")
})
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