test_directive.py 文件源码

def test_non_existing_executable(doctree, srcdir):
    # check that a proper error message appears in the document
    message = doctree.next_node(system_message)
    assert message
    srcfile = str(srcdir.join('content').join('doc.rst'))
    assert message['source'] == srcfile
    assert message['line'] == 4
    if sys.version_info[0:2] < (3, 2):
        msgtemplate = ("{0}:4: (ERROR/3) Command {1!r} failed: "
                       "[Errno 2] No such file or directory")
    else:
        msgtemplate = ("{0}:4: (ERROR/3) Command {1!r} failed: "
                       "[Errno 2] No such file or directory: {1}")
    assert message.astext() == msgtemplate.format(srcfile, "'spam with eggs'")