tests/testthat/test_fhir_design.R

In POLAR-fhiR/fhircrackr: Handling HL7 FHIR® Resources in R

testthat::test_that("fhir_design is built correctly", {
	d1 <- fhir_table_description(
		resource = "Patient",
		cols = c(
			id     = "id",
			name   = "name/family",
			gender = "gender"
		),
		sep           = "||",
		brackets      = c("[", "]"),
		rm_empty_cols = FALSE,
		format        = "compact",
		keep_attr     = FALSE
	)

	d2 <- fhir_table_description(
		resource = "Patient",
		cols = c(
			"id",
			"name/family",
			"gender"
		)
	)

	d3 <- fhir_table_description(
		resource = "Patient",
		cols = fhir_columns(
			c(
				"id",
				"name/family",
				"gender"
			)
		)
	)

	design <- fhir_design(d1, d2, d3)

	testthat::expect_s4_class(design, "fhir_design")
})

testthat::test_that("methods for fhir_design() create identical results", {

	d1 <- fhir_table_description(
		resource = "Patient",
		cols = c(
			id     = "id",
			name   = "name/family",
			gender = "gender"
		)
	)

	d2 <- fhir_table_description(
		resource = "Patient",
		cols = list(
			id     = "id",
			name   = "name/family",
			gender = "gender"
		)
	)

	design1 <-  fhir_design(d1, d2)
	design2 <-  fhir_design(list(d1=d1, d2=d2))

	testthat::expect_identical(design1, design2)
})

testthat::test_that("fhir_design gets names correctly", {
	d1 <- fhir_design(

		fhir_table_description(
			resource = "Patient",
			cols = c(
				id     = "id",
				name   = "name/family",
				gender = "gender"
			)
		),

		fhir_table_description(
			resource = "Medication",
			cols     = c(
				id   = "id",
				name = "code"
			)
		)
	)

	d2 <- fhir_design(
		Pat = fhir_table_description(
			resource = "Patient",
			cols     = c(
				id     = "id",
				name   = "name/family",
				gender = "gender"
			)
		),

		fhir_table_description(
			resource = "Medication",
			cols = c(
				id   = "id",
				name = "code"
			)
		)
	)

	d3 <- fhir_design(
		Pat = fhir_table_description(
			resource = "Patient",
			cols = c(
				id     = "id",
				name   = "name/family",
				gender = "gender"
			)
		),
		Med = fhir_table_description(
			resource = "Medication",
			cols = c(
				id = "id",
				name = "code"
			)
		)
	)

	testthat::expect_identical(names(d1), c("Patients", "Medications"))
	testthat::expect_identical(names(d2), c("Pat", "Medications"))
	testthat::expect_identical(names(d3), c("Pat", "Med"))
})

testthat::test_that("fhir_design throws an error when using not unique names otherwise not", {
	testthat::expect_error(
		fhir_design(
			fhir_table_description(
				resource = "Patient",
				cols = fhir_columns(
					c(
						id     = "id",
						name   = "name/family",
						gender = "gender"
					)
				)
			),
			fhir_table_description(
				resource = "Patient"
			)
		)
	)

	Resources <- fhir_table_description(
		resource = "Patient"
	)

	Patients <- fhir_table_description(
		resource = "Patient"
	)

	testthat::expect_error(
		fhir_design(
			Resources,
			Resources
		)
	)

	testthat::expect_error(
		fhir_design(
			Patients,
			fhir_table_description(
				resource = "Patient"
			)
		)
	)

	testthat::expect_s4_class(
		fhir_design(
			Resources,
			Patients
		),
		"fhir_design"
	)

	testthat::expect_s4_class(
		fhir_design(
			Patients1 = Patients,
			Patients2 = Patients
		),
		"fhir_design"
	)
})