fix: test running on macos

Pytest supports running tests in parallel using the xdist plugin. In order to support it Picodata should avoid port collision. It uses dedicated IP address 127.7.n.1 where n = xdist_worker_number. Unfortunately, it doesn't work on MacOS, because it doesn't provide any loopback aliases but original 127.0.0.1.

This patch provides another address generation logics. The subnet parameter is superseeded with a base_port, that is 3300 + n * 100. In this way, every pytest (xdist) worker gets a dedicated port range [3301, 3399], [3401, 3499] and so on.

Close #65 (closed)

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• d85802c9 - fix: test running on macos

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• d11a9e3b - Address review comment

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Тесты проходят, падает только process management.

pgrp = 50557

    @funcy.retry(tries=10, timeout=0.01, errors=StillAlive)
    def waitpg(pgrp):
        try:
>           os.killpg(pgrp, 0)
E           PermissionError: [Errno 1] Operation not permitted

test/int/test_basics.py:141: PermissionError

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• 8994a571 - another attempt

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• fe7adc9a - another attempt

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• 279c881b - address review comments 2

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mentioned in issue #70 (closed)

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• 279c881b...e3784ef1 - 2 commits from branch master
• 26e73936 - fix: test running on macos
• e130d4f7 - Address review comment
• 8752aef7 - address review comments 2

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resolved all threads

merged

mentioned in issue #210 (closed)