mercurial/testing/storage.py

43076:2372284d9457

    Use ``makeifileindextests()`` to create an instance of this type.
    """

    def testempty(self):
        f = self._makefilefn()
        self.assertEqual(len(f), 0, 'new file store has 0 length by default')
        self.assertEqual(list(f), [], 'iter yields nothing by default')

        gen = iter(f)
        with self.assertRaises(StopIteration):
            next(gen)

        f = self._makefilefn()

        self.assertEqual(f.storageinfo(), {})
        self.assertEqual(
            f.storageinfo(revisionscount=True, trackedsize=True),
            {'revisionscount': 0, 'trackedsize': 0},
        )

        self.assertEqual(f.size(nullrev), 0)

        for i in range(-5, 5):

            node = f.add(fulltext, None, tr, 0, nullid, nullid)

        self.assertEqual(f.storageinfo(), {})
        self.assertEqual(
            f.storageinfo(revisionscount=True, trackedsize=True),
            {'revisionscount': 1, 'trackedsize': len(fulltext)},
        )

        self.assertEqual(f.size(0), len(fulltext))

        with self.assertRaises(IndexError):

        self.assertEqual(f.storageinfo(), {})
        self.assertEqual(
            f.storageinfo(revisionscount=True, trackedsize=True),
            {
                'revisionscount': 3,
                'trackedsize': len(fulltext0) + len(fulltext1) + len(fulltext2),
            },
        )

        self.assertEqual(f.size(0), len(fulltext0))
        self.assertEqual(f.size(1), len(fulltext1))

        with self.assertRaises(StopIteration):
            next(gen)

        # Unrecognized nodesorder value raises ProgrammingError.
        with self.assertRaises(error.ProgrammingError):
            list(f.emitrevisions([], nodesorder='bad'))

        # nodesorder=storage is recognized. But we can't test it thoroughly
        # because behavior is storage-dependent.
        res = list(f.emitrevisions([node2, node1, node0], nodesorder='storage'))
        self.assertEqual(len(res), 3)
        self.assertEqual({o.node for o in res}, {node0, node1, node2})

        # nodesorder=nodes forces the order.
        gen = f.emitrevisions(
            [node2, node0], nodesorder='nodes', revisiondata=True
        )

        rev = next(gen)
        self.assertEqual(rev.node, node2)
        self.assertEqual(rev.p1node, node1)

43077:687b865b95ad

    Use ``makeifileindextests()`` to create an instance of this type.
    """

    def testempty(self):
        f = self._makefilefn()
        self.assertEqual(len(f), 0, b'new file store has 0 length by default')
        self.assertEqual(list(f), [], b'iter yields nothing by default')

        gen = iter(f)
        with self.assertRaises(StopIteration):
            next(gen)

        f = self._makefilefn()

        self.assertEqual(f.storageinfo(), {})
        self.assertEqual(
            f.storageinfo(revisionscount=True, trackedsize=True),
            {b'revisionscount': 0, b'trackedsize': 0},
        )

        self.assertEqual(f.size(nullrev), 0)

        for i in range(-5, 5):

            node = f.add(fulltext, None, tr, 0, nullid, nullid)

        self.assertEqual(f.storageinfo(), {})
        self.assertEqual(
            f.storageinfo(revisionscount=True, trackedsize=True),
            {b'revisionscount': 1, b'trackedsize': len(fulltext)},
        )

        self.assertEqual(f.size(0), len(fulltext))

        with self.assertRaises(IndexError):

        self.assertEqual(f.storageinfo(), {})
        self.assertEqual(
            f.storageinfo(revisionscount=True, trackedsize=True),
            {
                b'revisionscount': 3,
                b'trackedsize': len(fulltext0)
                + len(fulltext1)
                + len(fulltext2),
            },
        )

        self.assertEqual(f.size(0), len(fulltext0))
        self.assertEqual(f.size(1), len(fulltext1))

        with self.assertRaises(StopIteration):
            next(gen)

        # Unrecognized nodesorder value raises ProgrammingError.
        with self.assertRaises(error.ProgrammingError):
            list(f.emitrevisions([], nodesorder=b'bad'))

        # nodesorder=storage is recognized. But we can't test it thoroughly
        # because behavior is storage-dependent.
        res = list(
            f.emitrevisions([node2, node1, node0], nodesorder=b'storage')
        )
        self.assertEqual(len(res), 3)
        self.assertEqual({o.node for o in res}, {node0, node1, node2})

        # nodesorder=nodes forces the order.
        gen = f.emitrevisions(
            [node2, node0], nodesorder=b'nodes', revisiondata=True
        )

        rev = next(gen)
        self.assertEqual(rev.node, node2)
        self.assertEqual(rev.p1node, node1)