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("Serializer constructor", {
library(redland)
world <- new("World")
expect_false(is.null(world))
# Test creating the Storage system
storage <- new("Storage", world, "hashes", name="", options="hash-type='memory'")
expect_false(is.null(storage))
expect_match(class(storage@librdf_storage), "_p_librdf_storage_s")
# Test creating the Model
model <- new("Model", world, storage, options="")
expect_false(is.null(model))
expect_match(class(model@librdf_model), "_p_librdf_model_s")
# Test that model creation fails if world is not provided or is null
err <- try(model <- new("Model", world=NULL, storage, options=""), silent=TRUE)
expect_match(class(err), "try-error")
expect_false(is.null(model))
expect_match(class(model@librdf_model), "_p_librdf_model_s")
# Test adding a Statement to the Model
subject <- new("Node", world, uri="http://www.johnsmith.com/")
expect_match(class(subject@librdf_node), "_p_librdf_node_s")
predicate <- new("Node", world, uri="http://purl.org/dc/elements/1.1/creator")
expect_match(class(predicate@librdf_node), "_p_librdf_node_s")
object <- new("Node", world, literal="John Smith", datatype_uri="http://www.w3.org/2001/XMLSchema#string")
expect_match(class(object@librdf_node), "_p_librdf_node_s")
statement <- new("Statement", world, subject, predicate, object)
expect_false(is.null(statement))
expect_match(class(statement@librdf_statement), "_p_librdf_statement_s")
addStatement(model, statement)
# Test creating a Serializer
serializer <- new("Serializer", world, mimeType="application/rdf+xml")
expect_false(is.null(serializer))
expect_match(class(serializer@librdf_serializer), "_p_librdf_serializer_s")
# Test adding a namespace to a serializer
status <- setNameSpace(serializer, world, namespace="http://purl.org/dc/elements/1.1/", prefix="dc")
expect_equal(status, 0)
# Test serialization of an RDF model to a string
rdf <- serializeToCharacter(serializer, world, model, "")
expect_match(rdf, "John Smith")
# Test serialization of an RDF model to a file
filePath <- tempfile(pattern = "file", tmpdir = tempdir(), fileext = ".rdf")
status <- serializeToFile(serializer, world, model, filePath)
found <- grep("John Smith", readLines(filePath))
expect_gt(found, 0)
unlink(filePath)
err <- try(freeStatement(statement), silent=TRUE)
expect_false(class(err) == "try-error")
err <- try(freeSerializer(serializer), silent=TRUE)
expect_false(class(err) == "try-error")
err <- try(freeModel(model), silent=TRUE)
expect_false(class(err) == "try-error")
err <- try(freeStorage(storage), silent=TRUE)
expect_false(class(err) == "try-error")
err <- try(freeWorld(world), silent=TRUE)
expect_false(class(err) == "try-error")
})
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