from os import environ, chdir, path as p
import json
from . import runner


testsuite_dir = p.join(p.abspath(p.dirname(__file__)), "local-suite")


def read_manifest():
    f = open(p.join(testsuite_dir, "manifest.jsonld"), 'r')
    manifestdata = json.load(f)
    f.close()
    for test in manifestdata.get('sequence'):
        parts = test.get(u'input', '').split('.')[0].split('-')
        category, name, direction = parts
        inputpath = test.get(u'input')
        expectedpath = test.get(u'expect')
        context = test.get(u'context', False)
        options = test.get(u'option') or {}
        yield category, name, inputpath, expectedpath, context, options


def test_suite():
    chdir(testsuite_dir)
    for cat, num, inputpath, expectedpath, context, options in read_manifest():
        if inputpath.endswith(".jsonld"): # toRdf
            if expectedpath.endswith(".jsonld"): # compact/expand/flatten
                func = runner.do_test_json
            else: # toRdf
                func = runner.do_test_parser
        else:  # fromRdf
            func = runner.do_test_serializer
        yield func, cat, num, inputpath, expectedpath, context, options