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context("classes")
test_that("Python class variables are accessible via $", {
skip_if_no_python()
expect_equal(test$PythonClass$FOO, 1)
})
test_that("Python class members can be called via $", {
skip_if_no_python()
expect_equal(test$PythonClass$class_method(), 1)
})
test_that("py_has_method()", {
# in python2, unbound methods are still methods
# in python3, only bound, user-defined, functions are methods
skip_if(py_version() < "3")
Fraction <- import("fractions")$Fraction
expect_false(py_has_method(Fraction, "conjugate"))
expect_true(py_has_method(Fraction(), "conjugate"))
})
if(getRversion() >= "4.3.0")
test_that("nameOfClass()", {
numpy <- import("numpy")
x <- r_to_py(array(1:3))
expect_true(inherits(x, numpy$ndarray))
io <- import("io")
builtins <- import_builtins()
with(builtins$open(tempfile(), "wb") %as% f, {
expect_true(inherits(f, io$BufferedWriter))
expect_false(f$closed)
})
expect_true(f$closed)
})
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