"""
TODO: could probably refactor to use unittest.mock.patch('happybase')
"""

import io
import json
import pytest
import mrjob
import happybase_mock
from backfill_hbase_from_cdx import MRCDXBackfillHBase

@pytest.fixture
def job():
    """
    Note: this mock only seems to work with job.run_mapper(), not job.run();
    the later results in a separate instantiation without the mock?
    """
    job = MRCDXBackfillHBase(['--no-conf', '-'])

    conn = happybase_mock.Connection()
    conn.create_table('wbgrp-journal-extract-test',
        {'file': {}, 'grobid0': {}, 'f': {}})
    job.hb_table = conn.table('wbgrp-journal-extract-test')

    return job


def test_some_lines(job):

    raw = io.BytesIO(b"""
com,sagepub,cep)/content/28/9/960.full.pdf 20170705062200 http://cep.sagepub.com/content/28/9/960.full.pdf application/pdf 301 3I42H3S6NNFQ2MSVX7XZKYAYSCX5QBYJ - - 401 313356621 CITESEERX-CRAWL-2017-06-20-20170705061647307-00039-00048-wbgrp-svc284/CITESEERX-CRAWL-2017-06-20-20170705062052659-00043-31209~wbgrp-svc284.us.archive.org~8443.warc.gz
eu,eui,cadmus)/bitstream/handle/1814/36635/rscas_2015_03.pdf;jsessionid=761393014319a39f40d32ae3eb3a853f?sequence=1 20170705062202 http://cadmus.eui.eu/bitstream/handle/1814/36635/RSCAS_2015_03.pdf%3Bjsessionid%3D761393014319A39F40D32AE3EB3A853F?sequence%3D1 application/PDF 200 MPCXVWMUTRUGFP36SLPHKDLY6NGU4S3J - - 854156 328850624 CITESEERX-CRAWL-2017-06-20-20170705061647307-00039-00048-wbgrp-svc284/CITESEERX-CRAWL-2017-06-20-20170705062052659-00043-31209~wbgrp-svc284.us.archive.org~8443.warc.gz
com,pbworks,educ333b)/robots.txt 20170705063311 http://educ333b.pbworks.com/robots.txt text/plain 200 6VAUYENMOU2SK2OWNRPDD6WTQTECGZAD - - 638 398190140 CITESEERX-CRAWL-2017-06-20-20170705062707827-00049-00058-wbgrp-svc284/CITESEERX-CRAWL-2017-06-20-20170705063158203-00053-31209~wbgrp-svc284.us.archive.org~8443.warc.gz
""")

    job.sandbox(stdin=raw)
    job.run_mapper()

    assert job.hb_table.row(b'1') == {}
    # HTTP 301
    assert job.hb_table.row(b'sha1:3I42H3S6NNFQ2MSVX7XZKYAYSCX5QBYJ') == {}
    # valid
    assert job.hb_table.row(b'sha1:MPCXVWMUTRUGFP36SLPHKDLY6NGU4S3J') != {}
    # text/plain
    assert job.hb_table.row(b'sha1:6VAUYENMOU2SK2OWNRPDD6WTQTECGZAD') == {}

    row = job.hb_table.row(b'sha1:MPCXVWMUTRUGFP36SLPHKDLY6NGU4S3J')
    assert row[b'file:mime'] == b"application/pdf"

    file_cdx = json.loads(row[b'file:cdx'].decode('utf-8'))
    assert int(file_cdx['offset']) == 328850624

    f_c = json.loads(row[b'f:c'].decode('utf-8'))
    assert f_c['u'] == "http://cadmus.eui.eu/bitstream/handle/1814/36635/RSCAS_2015_03.pdf%3Bjsessionid%3D761393014319A39F40D32AE3EB3A853F?sequence%3D1"
    assert b'i' not in f_c

def test_parse_cdx_skip(job):

    job.mapper_init()

    print("CDX prefix")
    raw = " com,sagepub,cep)/content/28/9/960.full.pdf 20170705062200 http://cep.sagepub.com/content/28/9/960.full.pdf application/pdf 200 3I42H3S6NNFQ2MSVX7XZKYAYSCX5QBYJ - - 401 313356621 CITESEERX-CRAWL-2017-06-20-20170705062052659-00043-31209~wbgrp-svc284.us.archive.org~8443.warc.gz"
    info, status = job.mapper(None, raw).__next__()
    assert info is None
    assert status['status'] == "invalid"
    assert 'prefix' in status['reason']

    print("mimetype")
    raw = "com,sagepub,cep)/content/28/9/960.full.pdf 20170705062200 http://cep.sagepub.com/content/28/9/960.full.pdf text/html 200 3I42H3S6NNFQ2MSVX7XZKYAYSCX5QBYJ - - 401 313356621 CITESEERX-CRAWL-2017-06-20-20170705061647307-00039-00048-wbgrp-svc284/CITESEERX-CRAWL-2017-06-20-20170705062052659-00043-31209~wbgrp-svc284.us.archive.org~8443.warc.gz"
    info, status = job.mapper(None, raw).__next__()
    assert info is None
    assert status['status'] == "skip"
    assert 'mimetype' in status['reason']