def test_file_uri(tmpdir):
"""
File storage returns a url to access a given file from the Web.
"""
storage = FileSystemStorage(location=str(tmpdir), base_uri="/test_media_url/")
assert storage.uri("test.file") == "".join([storage.base_uri, "test.file"])
# should encode special chars except ~!*()'
# like encodeURIComponent() JavaScript function do
assert storage.uri(r"""~!*()'@#$%^&*abc`+ =.file""") == """/test_media_url/~!*()'%40%23%24%25%5E%26*abc%60%2B%20%3D.file"""
# should translate os path separator(s) to the url path separator
assert storage.uri("""a/b\\c.file""") == """/test_media_url/a/b/c.file"""
storage.base_uri = None
with pytest.raises(ValueError):
storage.uri("test.file")
