Source

whoosh / tests / test_flexible.py

from __future__ import with_statement

from nose.tools import assert_equal  #@UnresolvedImport

from whoosh import fields
from whoosh.compat import u
from whoosh.support.testing import TempIndex


def test_addfield():
    schema = fields.Schema(id=fields.ID(stored=True), content=fields.TEXT)
    with TempIndex(schema, "addfield") as ix:
        w = ix.writer()
        w.add_document(id=u("a"), content=u("alfa"))
        w.add_document(id=u("b"), content=u("bravo"))
        w.add_document(id=u("c"), content=u("charlie"))
        w.commit()
        
        ix.add_field("added", fields.KEYWORD(stored=True))
        
        w = ix.writer()
        w.add_document(id=u("d"), content=u("delta"), added=u("fourth"))
        w.add_document(id=u("e"), content=u("echo"), added=u("fifth"))
        w.commit(merge=False)
        
        with ix.searcher() as s:
            assert_equal(s.document(id=u("d")), {"id": "d", "added": "fourth"})
            assert_equal(s.document(id=u("b")), {"id": "b"})

def test_addfield_spelling():
    schema = fields.Schema(id=fields.ID(stored=True), content=fields.TEXT)
    with TempIndex(schema, "addfield") as ix:
        w = ix.writer()
        w.add_document(id=u("a"), content=u("alfa"))
        w.add_document(id=u("b"), content=u("bravo"))
        w.add_document(id=u("c"), content=u("charlie"))
        w.commit()
        
        ix.add_field("added", fields.KEYWORD(stored=True, spelling=True))
        
        w = ix.writer()
        w.add_document(id=u("d"), content=u("delta"), added=u("fourth"))
        w.add_document(id=u("e"), content=u("echo"), added=u("fifth"))
        w.commit(merge=False)
        
        with ix.searcher() as s:
            assert_equal(s.document(id=u("d")), {"id": "d", "added": "fourth"})
            assert_equal(s.document(id=u("b")), {"id": "b"})

def test_removefield():
    schema = fields.Schema(id=fields.ID(stored=True),
                           content=fields.TEXT,
                           city=fields.KEYWORD(stored=True))
    with TempIndex(schema, "removefield") as ix:
        w = ix.writer()
        w.add_document(id=u("b"), content=u("bravo"), city=u("baghdad"))
        w.add_document(id=u("c"), content=u("charlie"), city=u("cairo"))
        w.add_document(id=u("d"), content=u("delta"), city=u("dakar"))
        w.commit()
        
        with ix.searcher() as s:
            assert_equal(s.document(id=u("c")), {"id": "c", "city": "cairo"})
        
        w = ix.writer()
        w.remove_field("content")
        w.remove_field("city")
        w.commit()

        ixschema = ix._current_schema()
        assert_equal(ixschema.names(), ["id"])
        assert_equal(ixschema.stored_names(), ["id"])
        
        with ix.searcher() as s:
            assert ("content", u("charlie")) not in s.reader()
            assert_equal(s.document(id=u("c")), {"id": u("c")})

def test_optimize_away():
    schema = fields.Schema(id=fields.ID(stored=True),
                           content=fields.TEXT,
                           city=fields.KEYWORD(stored=True))
    with TempIndex(schema, "optimizeaway") as ix:
        w = ix.writer()
        w.add_document(id=u("b"), content=u("bravo"), city=u("baghdad"))
        w.add_document(id=u("c"), content=u("charlie"), city=u("cairo"))
        w.add_document(id=u("d"), content=u("delta"), city=u("dakar"))
        w.commit()
        
        with ix.searcher() as s:
            assert_equal(s.document(id=u("c")), {"id": "c", "city": "cairo"})
        
        w = ix.writer()
        w.remove_field("content")
        w.remove_field("city")
        w.commit(optimize=True)
        
        with ix.searcher() as s:
            assert ("content", u("charlie")) not in s.reader()
            assert_equal(s.document(id=u("c")), {"id": u("c")})
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