def can_open_files_with_relative_uri():
files = Files(test_path(""))
with files.open("tiny-picture.png") as image_file:
contents = image_file.read()
assert_equal(bytes, type(contents))
with open(test_path("tiny-picture.png"), "rb") as source_file:
assert_equal(source_file.read(), contents)
def given_base_is_not_set_when_opening_relative_uri_then_error_is_raised():
files = Files(None)
error = assert_raises(InvalidFileReferenceError, lambda: files.open("not-a-real-file.png"))
expected_message = (
"could not find external image 'not-a-real-file.png', fileobj has no name"
)
assert_equal(expected_message, str(error))
def can_open_files_with_relative_uri():
files = Files(test_path(""))
with files.open("tiny-picture.png") as image_file:
contents = image_file.read()
assert_equal(bytes, type(contents))
with open(test_path("tiny-picture.png"), "rb") as source_file:
assert_equal(source_file.read(), contents)
def can_open_files_with_file_uri():
path = test_path("tiny-picture.png")
files = Files(None)
with files.open("file:///" + path) as image_file:
contents = image_file.read()
assert_equal(bytes, type(contents))
with open(path, "rb") as source_file:
assert_equal(source_file.read(), contents)
def error_is_raised_if_relative_uri_cannot_be_opened():
files = Files("/tmp")
error = assert_raises(InvalidFileReferenceError, lambda: files.open("not-a-real-file.png"))
expected_message = (
"could not open external image: 'not-a-real-file.png' (document directory: '/tmp')\n" +
"[Errno 2] No such file or directory: '/tmp/not-a-real-file.png'"
)
assert_equal(expected_message, str(error))
def can_open_files_with_file_uri():
path = test_path("tiny-picture.png")
files = Files(None)
with files.open("file:///" + path) as image_file:
contents = image_file.read()
assert_equal(bytes, type(contents))
with open(path, "rb") as source_file:
assert_equal(source_file.read(), contents)
def error_is_raised_if_relative_uri_cannot_be_opened():
files = Files("/tmp")
error = assert_raises(InvalidFileReferenceError,
lambda: files.open("not-a-real-file.png"))
expected_message = (
"could not open external image: 'not-a-real-file.png' (document directory: '/tmp')\n"
+ "[Errno 2] No such file or directory: '/tmp/not-a-real-file.png'")
assert_equal(expected_message, str(error))
def given_base_is_not_set_when_opening_relative_uri_then_error_is_raised():
files = Files(None)
error = assert_raises(InvalidFileReferenceError,
lambda: files.open("not-a-real-file.png"))
expected_message = (
"could not find external image 'not-a-real-file.png', fileobj has no name"
)
assert_equal(expected_message, str(error))
def error_is_raised_if_file_uri_cannot_be_opened():
files = Files("/tmp")
error = assert_raises(InvalidFileReferenceError, lambda: files.open("file:///not-a-real-file.png"))
expected_message = "could not open external image: 'file:///not-a-real-file.png' (document directory: '/tmp')\n"
assert str(error).startswith(expected_message)
def error_is_raised_if_file_uri_cannot_be_opened():
files = Files("/tmp")
error = assert_raises(InvalidFileReferenceError,
lambda: files.open("file:///not-a-real-file.png"))
expected_message = "could not open external image: 'file:///not-a-real-file.png' (document directory: '/tmp')\n"
assert str(error).startswith(expected_message)