author | Alexandre Fayolle <alexandre.fayolle@logilab.fr> |
Fri, 09 Apr 2010 15:01:25 +0000 | |
branch | stable |
changeset 5210 | 1c635a91e403 |
parent 4908 | b3ad329cbe17 |
child 5421 | 8167de96c523 |
permissions | -rw-r--r-- |
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""" |
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:organization: Logilab |
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update copyright: welcome 2010
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:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2. |
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses |
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""" |
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from logilab.common.testlib import unittest_main, TestCase |
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from logilab.common.testlib import mock_object |
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from yams import BadSchemaDefinition |
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from rql import parse, nodes, RQLHelper |
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from cubicweb import Unauthorized |
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from cubicweb.schema import RRQLExpression |
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from cubicweb.rqlrewrite import RQLRewriter |
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from cubicweb.devtools import repotest, TestServerConfiguration |
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||
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config = TestServerConfiguration('data/rewrite') |
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config.bootstrap_cubes() |
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schema = config.load_schema() |
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from yams.buildobjs import RelationDefinition |
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schema.add_relation_def(RelationDefinition(subject='Card', name='in_state', object='State', cardinality='1*')) |
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rqlhelper = RQLHelper(schema, special_relations={'eid': 'uid', |
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'has_text': 'fti'}) |
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def setup_module(*args): |
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repotest.do_monkey_patch() |
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def teardown_module(*args): |
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repotest.undo_monkey_patch() |
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def eid_func_map(eid): |
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return {1: 'CWUser', |
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2: 'Card'}[eid] |
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def rewrite(rqlst, snippets_map, kwargs, existingvars=None): |
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class FakeVReg: |
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schema = schema |
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@staticmethod |
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def solutions(sqlcursor, mainrqlst, kwargs): |
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rqlhelper.compute_solutions(rqlst, {'eid': eid_func_map}, kwargs=kwargs) |
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class rqlhelper: |
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@staticmethod |
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def annotate(rqlst): |
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rqlhelper.annotate(rqlst) |
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@staticmethod |
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def simplify(mainrqlst, needcopy=False): |
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rqlhelper.simplify(rqlst, needcopy) |
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rewriter = RQLRewriter(mock_object(vreg=FakeVReg, user=(mock_object(eid=1)))) |
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for v, snippets in snippets_map.items(): |
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snippets_map[v] = [isinstance(snippet, basestring) |
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and mock_object(snippet_rqlst=parse('Any X WHERE '+snippet).children[0], |
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expression='Any X WHERE '+snippet) |
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or snippet |
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for snippet in snippets] |
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rqlhelper.compute_solutions(rqlst.children[0], {'eid': eid_func_map}, kwargs=kwargs) |
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solutions = rqlst.children[0].solutions |
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rewriter.rewrite(rqlst.children[0], snippets_map.items(), solutions, kwargs, |
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existingvars) |
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test_vrefs(rqlst.children[0]) |
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return rewriter.rewritten |
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def test_vrefs(node): |
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vrefmap = {} |
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for vref in node.iget_nodes(nodes.VariableRef): |
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vrefmap.setdefault(vref.name, set()).add(vref) |
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for var in node.defined_vars.itervalues(): |
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assert not (var.stinfo['references'] ^ vrefmap[var.name]) |
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assert (var.stinfo['references']) |
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class RQLRewriteTC(TestCase): |
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"""a faire: |
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* optimisation: detecter les relations utilisees dans les rqlexpressions qui |
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sont presentes dans la requete de depart pour les reutiliser si possible |
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* "has_<ACTION>_permission" ? |
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""" |
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def test_base_var(self): |
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card_constraint = ('X in_state S, U in_group G, P require_state S,' |
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'P name "read", P require_group G') |
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rqlst = parse('Card C') |
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rewrite(rqlst, {('C', 'X'): (card_constraint,)}, {}) |
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self.failUnlessEqual(rqlst.as_string(), |
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u"Any C WHERE C is Card, B eid %(D)s, " |
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"EXISTS(C in_state A, B in_group E, F require_state A, " |
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"F name 'read', F require_group E, A is State, E is CWGroup, F is CWPermission)") |
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def test_multiple_var(self): |
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card_constraint = ('X in_state S, U in_group G, P require_state S,' |
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'P name "read", P require_group G') |
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affaire_constraints = ('X ref LIKE "PUBLIC%"', 'U in_group G, G name "public"') |
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kwargs = {'u':2} |
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rqlst = parse('Any S WHERE S documented_by C, C eid %(u)s') |
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rewrite(rqlst, {('C', 'X'): (card_constraint,), ('S', 'X'): affaire_constraints}, |
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kwargs) |
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self.assertTextEquals(rqlst.as_string(), |
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"Any S WHERE S documented_by C, C eid %(u)s, B eid %(D)s, " |
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"EXISTS(C in_state A, B in_group E, F require_state A, " |
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"F name 'read', F require_group E, A is State, E is CWGroup, F is CWPermission), " |
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"(EXISTS(S ref LIKE 'PUBLIC%')) OR (EXISTS(B in_group G, G name 'public', G is CWGroup)), " |
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"S is Affaire") |
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self.failUnless('D' in kwargs) |
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def test_or(self): |
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constraint = '(X identity U) OR (X in_state ST, CL identity U, CL in_state ST, ST name "subscribed")' |
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rqlst = parse('Any S WHERE S owned_by C, C eid %(u)s, S is in (CWUser, CWGroup)') |
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rewrite(rqlst, {('C', 'X'): (constraint,)}, {'u':1}) |
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self.failUnlessEqual(rqlst.as_string(), |
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"Any S WHERE S owned_by C, C eid %(u)s, S is IN(CWUser, CWGroup), A eid %(B)s, " |
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"EXISTS((C identity A) OR (C in_state D, E identity A, " |
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"E in_state D, D name 'subscribed'), D is State, E is CWUser)") |
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def test_simplified_rqlst(self): |
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card_constraint = ('X in_state S, U in_group G, P require_state S,' |
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'P name "read", P require_group G') |
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rqlst = parse('Any 2') # this is the simplified rql st for Any X WHERE X eid 12 |
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rewrite(rqlst, {('2', 'X'): (card_constraint,)}, {}) |
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self.failUnlessEqual(rqlst.as_string(), |
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u"Any 2 WHERE B eid %(C)s, " |
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"EXISTS(2 in_state A, B in_group D, E require_state A, " |
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"E name 'read', E require_group D, A is State, D is CWGroup, E is CWPermission)") |
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def test_optional_var_base(self): |
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card_constraint = ('X in_state S, U in_group G, P require_state S,' |
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'P name "read", P require_group G') |
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rqlst = parse('Any A,C WHERE A documented_by C?') |
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rewrite(rqlst, {('C', 'X'): (card_constraint,)}, {}) |
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self.failUnlessEqual(rqlst.as_string(), |
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"Any A,C WHERE A documented_by C?, A is Affaire " |
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"WITH C BEING " |
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"(Any C WHERE EXISTS(C in_state B, D in_group F, G require_state B, G name 'read', " |
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"G require_group F), D eid %(A)s, C is Card)") |
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rqlst = parse('Any A,C,T WHERE A documented_by C?, C title T') |
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rewrite(rqlst, {('C', 'X'): (card_constraint,)}, {}) |
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self.failUnlessEqual(rqlst.as_string(), |
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"Any A,C,T WHERE A documented_by C?, A is Affaire " |
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"WITH C,T BEING " |
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"(Any C,T WHERE C title T, EXISTS(C in_state B, D in_group F, " |
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"G require_state B, G name 'read', G require_group F), " |
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"D eid %(A)s, C is Card)") |
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|
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def test_optional_var_inlined(self): |
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146 |
c1 = ('X require_permission P') |
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c2 = ('X inlined_card O, O require_permission P') |
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148 |
rqlst = parse('Any C,A,R WHERE A? inlined_card C, A ref R') |
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149 |
rewrite(rqlst, {('C', 'X'): (c1,), |
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150 |
('A', 'X'): (c2,), |
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}, {}) |
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# XXX suboptimal |
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self.failUnlessEqual(rqlst.as_string(), |
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"Any C,A,R WITH A,R,C BEING " |
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"(Any A,R,C WHERE A ref R, A? inlined_card C, " |
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156 |
"(A is NULL) OR (EXISTS(A inlined_card B, B require_permission D, " |
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157 |
"B is Card, D is CWPermission)), " |
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158 |
"A is Affaire, C is Card, EXISTS(C require_permission E, E is CWPermission))") |
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159 |
|
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160 |
# def test_optional_var_inlined_has_perm(self): |
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# c1 = ('X require_permission P') |
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162 |
# c2 = ('X inlined_card O, U has_read_permission O') |
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163 |
# rqlst = parse('Any C,A,R WHERE A? inlined_card C, A ref R') |
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164 |
# rewrite(rqlst, {('C', 'X'): (c1,), |
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165 |
# ('A', 'X'): (c2,), |
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166 |
# }, {}) |
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167 |
# self.failUnlessEqual(rqlst.as_string(), |
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168 |
# "") |
1787 | 169 |
|
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170 |
def test_optional_var_inlined_imbricated_error(self): |
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c1 = ('X require_permission P') |
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c2 = ('X inlined_card O, O require_permission P') |
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rqlst = parse('Any C,A,R,A2,R2 WHERE A? inlined_card C, A ref R,A2? inlined_card C, A2 ref R2') |
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self.assertRaises(BadSchemaDefinition, |
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rewrite, rqlst, {('C', 'X'): (c1,), |
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('A', 'X'): (c2,), |
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177 |
('A2', 'X'): (c2,), |
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178 |
}, {}) |
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179 |
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180 |
def test_relation_optimization_1_lhs(self): |
0 | 181 |
# since Card in_state State as monovalued cardinality, the in_state |
182 |
# relation used in the rql expression can be ignored and S replaced by |
|
183 |
# the variable from the incoming query |
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snippet = ('X in_state S, S name "hop"') |
0 | 185 |
rqlst = parse('Card C WHERE C in_state STATE') |
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rewrite(rqlst, {('C', 'X'): (snippet,)}, {}) |
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self.failUnlessEqual(rqlst.as_string(), |
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188 |
"Any C WHERE C in_state STATE, C is Card, " |
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189 |
"EXISTS(STATE name 'hop'), STATE is State") |
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190 |
def test_relation_optimization_1_rhs(self): |
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191 |
snippet = ('TW subworkflow_exit X, TW name "hop"') |
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rqlst = parse('WorkflowTransition C WHERE C subworkflow_exit EXIT') |
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rewrite(rqlst, {('EXIT', 'X'): (snippet,)}, {}) |
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self.failUnlessEqual(rqlst.as_string(), |
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"Any C WHERE C subworkflow_exit EXIT, C is WorkflowTransition, " |
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"EXISTS(C name 'hop'), EXIT is SubWorkflowExitPoint") |
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197 |
|
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198 |
def test_relation_optimization_2_lhs(self): |
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199 |
# optional relation can be shared if also optional in the snippet |
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snippet = ('X in_state S?, S name "hop"') |
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201 |
rqlst = parse('Card C WHERE C in_state STATE?') |
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rewrite(rqlst, {('C', 'X'): (snippet,)}, {}) |
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203 |
self.failUnlessEqual(rqlst.as_string(), |
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204 |
"Any C WHERE C in_state STATE?, C is Card, " |
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205 |
"EXISTS(STATE name 'hop'), STATE is State") |
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206 |
def test_relation_optimization_2_rhs(self): |
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207 |
snippet = ('TW? subworkflow_exit X, TW name "hop"') |
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208 |
rqlst = parse('SubWorkflowExitPoint EXIT WHERE C? subworkflow_exit EXIT') |
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209 |
rewrite(rqlst, {('EXIT', 'X'): (snippet,)}, {}) |
0 | 210 |
self.failUnlessEqual(rqlst.as_string(), |
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211 |
"Any EXIT WHERE C? subworkflow_exit EXIT, EXIT is SubWorkflowExitPoint, " |
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212 |
"EXISTS(C name 'hop'), C is WorkflowTransition") |
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213 |
|
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214 |
def test_relation_optimization_3_lhs(self): |
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215 |
# optional relation in the snippet but not in the orig tree can be shared |
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216 |
snippet = ('X in_state S?, S name "hop"') |
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217 |
rqlst = parse('Card C WHERE C in_state STATE') |
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218 |
rewrite(rqlst, {('C', 'X'): (snippet,)}, {}) |
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219 |
self.failUnlessEqual(rqlst.as_string(), |
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220 |
"Any C WHERE C in_state STATE, C is Card, " |
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221 |
"EXISTS(STATE name 'hop'), STATE is State") |
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222 |
def test_relation_optimization_3_rhs(self): |
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223 |
snippet = ('TW? subworkflow_exit X, TW name "hop"') |
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224 |
rqlst = parse('WorkflowTransition C WHERE C subworkflow_exit EXIT') |
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225 |
rewrite(rqlst, {('EXIT', 'X'): (snippet,)}, {}) |
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226 |
self.failUnlessEqual(rqlst.as_string(), |
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227 |
"Any C WHERE C subworkflow_exit EXIT, C is WorkflowTransition, " |
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228 |
"EXISTS(C name 'hop'), EXIT is SubWorkflowExitPoint") |
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229 |
|
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230 |
def test_relation_non_optimization_1_lhs(self): |
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231 |
# but optional relation in the orig tree but not in the snippet can't be shared |
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232 |
snippet = ('X in_state S, S name "hop"') |
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233 |
rqlst = parse('Card C WHERE C in_state STATE?') |
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234 |
rewrite(rqlst, {('C', 'X'): (snippet,)}, {}) |
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235 |
self.failUnlessEqual(rqlst.as_string(), |
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236 |
"Any C WHERE C in_state STATE?, C is Card, " |
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237 |
"EXISTS(C in_state A, A name 'hop', A is State), STATE is State") |
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238 |
def test_relation_non_optimization_1_rhs(self): |
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239 |
snippet = ('TW subworkflow_exit X, TW name "hop"') |
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240 |
rqlst = parse('SubWorkflowExitPoint EXIT WHERE C? subworkflow_exit EXIT') |
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241 |
rewrite(rqlst, {('EXIT', 'X'): (snippet,)}, {}) |
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242 |
self.failUnlessEqual(rqlst.as_string(), |
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243 |
"Any EXIT WHERE C? subworkflow_exit EXIT, EXIT is SubWorkflowExitPoint, " |
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"EXISTS(A subworkflow_exit EXIT, A name 'hop', A is WorkflowTransition), " |
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"C is WorkflowTransition") |
0 | 246 |
|
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def test_unsupported_constraint_1(self): |
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# CWUser doesn't have require_permission |
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trinfo_constraint = ('X wf_info_for Y, Y require_permission P, P name "read"') |
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rqlst = parse('Any U,T WHERE U is CWUser, T wf_info_for U') |
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self.assertRaises(Unauthorized, rewrite, rqlst, {('T', 'X'): (trinfo_constraint,)}, {}) |
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|
0 | 253 |
def test_unsupported_constraint_2(self): |
254 |
trinfo_constraint = ('X wf_info_for Y, Y require_permission P, P name "read"') |
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rqlst = parse('Any U,T WHERE U is CWUser, T wf_info_for U') |
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rewrite(rqlst, {('T', 'X'): (trinfo_constraint, 'X wf_info_for Y, Y in_group G, G name "managers"')}, {}) |
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self.failUnlessEqual(rqlst.as_string(), |
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u"Any U,T WHERE U is CWUser, T wf_info_for U, " |
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"EXISTS(U in_group B, B name 'managers', B is CWGroup), T is TrInfo") |
0 | 260 |
|
261 |
def test_unsupported_constraint_3(self): |
|
262 |
self.skip('raise unauthorized for now') |
|
263 |
trinfo_constraint = ('X wf_info_for Y, Y require_permission P, P name "read"') |
|
264 |
rqlst = parse('Any T WHERE T wf_info_for X') |
|
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rewrite(rqlst, {('T', 'X'): (trinfo_constraint, 'X in_group G, G name "managers"')}, {}) |
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self.failUnlessEqual(rqlst.as_string(), |
267 |
u'XXX dunno what should be generated') |
|
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|
0 | 269 |
def test_add_ambiguity_exists(self): |
270 |
constraint = ('X concerne Y') |
|
271 |
rqlst = parse('Affaire X') |
|
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rewrite(rqlst, {('X', 'X'): (constraint,)}, {}) |
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self.failUnlessEqual(rqlst.as_string(), |
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u"Any X WHERE X is Affaire, ((EXISTS(X concerne A, A is Division)) OR (EXISTS(X concerne C, C is Societe))) OR (EXISTS(X concerne B, B is Note))") |
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|
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def test_add_ambiguity_outerjoin(self): |
277 |
constraint = ('X concerne Y') |
|
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rqlst = parse('Any X,C WHERE X? documented_by C') |
|
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rewrite(rqlst, {('X', 'X'): (constraint,)}, {}) |
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# ambiguity are kept in the sub-query, no need to be resolved using OR |
281 |
self.failUnlessEqual(rqlst.as_string(), |
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u"Any X,C WHERE X? documented_by C, C is Card WITH X BEING (Any X WHERE EXISTS(X concerne A), X is Affaire)") |
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|
284 |
||
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def test_rrqlexpr_nonexistant_subject_1(self): |
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constraint = RRQLExpression('S owned_by U') |
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rqlst = parse('Card C') |
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288 |
rewrite(rqlst, {('C', 'S'): (constraint,)}, {}, 'SU') |
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self.failUnlessEqual(rqlst.as_string(), |
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290 |
u"Any C WHERE C is Card, A eid %(B)s, EXISTS(C owned_by A)") |
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291 |
rqlst = parse('Card C') |
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292 |
rewrite(rqlst, {('C', 'S'): (constraint,)}, {}, 'OU') |
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293 |
self.failUnlessEqual(rqlst.as_string(), |
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294 |
u"Any C WHERE C is Card") |
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295 |
rqlst = parse('Card C') |
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296 |
rewrite(rqlst, {('C', 'S'): (constraint,)}, {}, 'SOU') |
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297 |
self.failUnlessEqual(rqlst.as_string(), |
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|
298 |
u"Any C WHERE C is Card, A eid %(B)s, EXISTS(C owned_by A)") |
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|
299 |
|
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|
300 |
def test_rrqlexpr_nonexistant_subject_2(self): |
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301 |
constraint = RRQLExpression('S owned_by U, O owned_by U, O is Card') |
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302 |
rqlst = parse('Card C') |
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303 |
rewrite(rqlst, {('C', 'S'): (constraint,)}, {}, 'SU') |
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|
304 |
self.failUnlessEqual(rqlst.as_string(), |
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|
305 |
'Any C WHERE C is Card, A eid %(B)s, EXISTS(C owned_by A)') |
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|
306 |
rqlst = parse('Card C') |
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|
307 |
rewrite(rqlst, {('C', 'S'): (constraint,)}, {}, 'OU') |
0c0c051863cb
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|
308 |
self.failUnlessEqual(rqlst.as_string(), |
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|
309 |
'Any C WHERE C is Card, B eid %(D)s, EXISTS(A owned_by B, A is Card)') |
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|
310 |
rqlst = parse('Card C') |
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|
311 |
rewrite(rqlst, {('C', 'S'): (constraint,)}, {}, 'SOU') |
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|
312 |
self.failUnlessEqual(rqlst.as_string(), |
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|
313 |
'Any C WHERE C is Card, A eid %(B)s, EXISTS(C owned_by A, D owned_by A, D is Card)') |
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changeset
|
314 |
|
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|
315 |
def test_rrqlexpr_nonexistant_subject_3(self): |
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|
316 |
constraint = RRQLExpression('U in_group G, G name "users"') |
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|
317 |
rqlst = parse('Card C') |
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|
318 |
rewrite(rqlst, {('C', 'S'): (constraint,)}, {}, 'SU') |
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|
319 |
self.failUnlessEqual(rqlst.as_string(), |
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|
320 |
u'Any C WHERE C is Card, A eid %(B)s, EXISTS(A in_group D, D name "users", D is CWGroup)') |
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parents:
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changeset
|
321 |
|
0c0c051863cb
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|
322 |
def test_rrqlexpr_nonexistant_subject_4(self): |
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|
323 |
constraint = RRQLExpression('U in_group G, G name "users", S owned_by U') |
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|
324 |
rqlst = parse('Card C') |
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|
325 |
rewrite(rqlst, {('C', 'S'): (constraint,)}, {}, 'SU') |
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|
326 |
self.failUnlessEqual(rqlst.as_string(), |
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|
327 |
u'Any C WHERE C is Card, A eid %(B)s, EXISTS(A in_group D, D name "users", C owned_by A, D is CWGroup)') |
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|
328 |
rqlst = parse('Card C') |
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|
329 |
rewrite(rqlst, {('C', 'S'): (constraint,)}, {}, 'OU') |
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|
330 |
self.failUnlessEqual(rqlst.as_string(), |
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|
331 |
u'Any C WHERE C is Card, A eid %(B)s, EXISTS(A in_group D, D name "users", D is CWGroup)') |
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changeset
|
332 |
|
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|
333 |
def test_rrqlexpr_nonexistant_subject_5(self): |
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|
334 |
constraint = RRQLExpression('S owned_by Z, O owned_by Z, O is Card') |
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|
335 |
rqlst = parse('Card C') |
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|
336 |
rewrite(rqlst, {('C', 'S'): (constraint,)}, {}, 'S') |
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|
337 |
self.failUnlessEqual(rqlst.as_string(), |
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|
338 |
u"Any C WHERE C is Card, EXISTS(C owned_by A, A is CWUser)") |
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|
339 |
|
1787 | 340 |
|
0 | 341 |
if __name__ == '__main__': |
342 |
unittest_main() |