view tests/test-annotate.py @ 46113:59fa3890d40a

node: import symbols explicitly

There is no point in lazy importing mercurial.node, it is used all over
the place anyway. So consistently import the used symbols directly.
Fix one file using symbols indirectly via mercurial.revlog.

Differential Revision: https://phab.mercurial-scm.org/D9480

from __future__ import absolute_import
from __future__ import print_function

import unittest

from mercurial import (
    mdiff,
    pycompat,
)
from mercurial.dagop import (
    annotateline,
    _annotatedfile,
    _annotatepair,
)


def tr(a):
    return [
        annotateline(fctx, lineno, skip)
        for fctx, lineno, skip in zip(a.fctxs, a.linenos, a.skips)
    ]


class AnnotateTests(unittest.TestCase):
    """Unit tests for annotate code."""

    def testannotatepair(self):
        self.maxDiff = None  # camelcase-required

        oldfctx = b'old'
        p1fctx, p2fctx, childfctx = b'p1', b'p2', b'c'
        olddata = b'a\nb\n'
        p1data = b'a\nb\nc\n'
        p2data = b'a\nc\nd\n'
        childdata = b'a\nb2\nc\nc2\nd\n'
        diffopts = mdiff.diffopts()

        def decorate(text, fctx):
            n = text.count(b'\n')
            linenos = pycompat.rangelist(1, n + 1)
            return _annotatedfile([fctx] * n, linenos, [False] * n, text)

        # Basic usage

        oldann = decorate(olddata, oldfctx)
        p1ann = decorate(p1data, p1fctx)
        p1ann = _annotatepair([oldann], p1fctx, p1ann, False, diffopts)
        self.assertEqual(
            tr(p1ann),
            [
                annotateline(b'old', 1),
                annotateline(b'old', 2),
                annotateline(b'p1', 3),
            ],
        )

        p2ann = decorate(p2data, p2fctx)
        p2ann = _annotatepair([oldann], p2fctx, p2ann, False, diffopts)
        self.assertEqual(
            tr(p2ann),
            [
                annotateline(b'old', 1),
                annotateline(b'p2', 2),
                annotateline(b'p2', 3),
            ],
        )

        # Test with multiple parents (note the difference caused by ordering)

        childann = decorate(childdata, childfctx)
        childann = _annotatepair(
            [p1ann, p2ann], childfctx, childann, False, diffopts
        )
        self.assertEqual(
            tr(childann),
            [
                annotateline(b'old', 1),
                annotateline(b'c', 2),
                annotateline(b'p2', 2),
                annotateline(b'c', 4),
                annotateline(b'p2', 3),
            ],
        )

        childann = decorate(childdata, childfctx)
        childann = _annotatepair(
            [p2ann, p1ann], childfctx, childann, False, diffopts
        )
        self.assertEqual(
            tr(childann),
            [
                annotateline(b'old', 1),
                annotateline(b'c', 2),
                annotateline(b'p1', 3),
                annotateline(b'c', 4),
                annotateline(b'p2', 3),
            ],
        )

        # Test with skipchild (note the difference caused by ordering)

        childann = decorate(childdata, childfctx)
        childann = _annotatepair(
            [p1ann, p2ann], childfctx, childann, True, diffopts
        )
        self.assertEqual(
            tr(childann),
            [
                annotateline(b'old', 1),
                annotateline(b'old', 2, True),
                # note that this line was carried over from earlier so it is *not*
                # marked skipped
                annotateline(b'p2', 2),
                annotateline(b'p2', 2, True),
                annotateline(b'p2', 3),
            ],
        )

        childann = decorate(childdata, childfctx)
        childann = _annotatepair(
            [p2ann, p1ann], childfctx, childann, True, diffopts
        )
        self.assertEqual(
            tr(childann),
            [
                annotateline(b'old', 1),
                annotateline(b'old', 2, True),
                annotateline(b'p1', 3),
                annotateline(b'p1', 3, True),
                annotateline(b'p2', 3),
            ],
        )


if __name__ == '__main__':
    import silenttestrunner

    silenttestrunner.main(__name__)