Fixed #3: Added sheerka.resolve_rule()
Fixed #5: Refactored SheerkaComparisonManager Fixed #6: Sya parser no longer works after restart
This commit is contained in:
@@ -1,16 +1,35 @@
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import pytest
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from core.builtin_concepts import BuiltinConcepts
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from core.concept import Concept
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from core.global_symbols import EVENT_CONCEPT_PRECEDENCE_MODIFIED, CONCEPT_COMPARISON_CONTEXT, \
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EVENT_RULE_PRECEDENCE_MODIFIED, \
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RULE_COMPARISON_CONTEXT
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EVENT_RULE_PRECEDENCE_MODIFIED, RULE_COMPARISON_CONTEXT
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from core.sheerka.services.SheerkaComparisonManager import SheerkaComparisonManager, ComparisonObj
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from core.sheerka.services.SheerkaConceptManager import ChickenAndEggError
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from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
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class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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@staticmethod
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def get_comparison_objs(lst, prop_name="prop_name", context="#"):
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for item in lst:
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if ">>" in item:
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a = item.split(">>")[0]
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yield ComparisonObj("id", prop_name, a.strip(), None, ">>", context)
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elif "<<" in item:
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a = item.split("<<")[0]
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yield ComparisonObj("id", prop_name, a.strip(), None, "<<", context)
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elif ">" in item:
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a, b = item.split(">")
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yield ComparisonObj("id", prop_name, a.strip(), b.strip(), ">", context)
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elif "<" in item:
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a, b = item.split("<")
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yield ComparisonObj("id", prop_name, a.strip(), b.strip(), "<", context)
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else:
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a, b = item.split("=")
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yield ComparisonObj("id", prop_name, a.strip(), b.strip(), "=", context)
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@staticmethod
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def execution_definition(context, service, concepts_map, definition):
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if ">>" in definition:
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@@ -214,13 +233,13 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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for entry in entries:
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self.execution_definition(context, service, concepts_map, entry)
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assert service.get_concepts_weights("prop_name") == expected
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assert service.get_weights("prop_name") == expected
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def test_i_can_get_concept_weight_when_no_comparison_is_defined(self):
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sheerka, context = self.init_concepts()
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service = sheerka.services[SheerkaComparisonManager.NAME]
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assert service.get_concepts_weights("prop_name") == {}
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assert service.get_weights("prop_name") == {}
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def test_i_can_recover_from_deleted_weight(self):
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sheerka, context, one = self.init_concepts("one")
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@@ -229,7 +248,7 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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service.set_is_lesser(context, "prop_name", one)
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sheerka.om.clear(service.RESOLVED_COMPARISON_ENTRY)
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assert service.get_concepts_weights("prop_name") == {"c:one|1001:": 0}
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assert service.get_weights("prop_name") == {"c:one|1001:": 0}
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def test_i_can_get_partition(self):
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sheerka, context, one, two, three = self.init_concepts("one", "two", "three")
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@@ -246,6 +265,38 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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3: ["c:three|1003:"],
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}
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def test_i_can_toposort(self):
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# using sample test from https://code.activestate.com/recipes/578272-topological-sort/
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comparison_objs = self.get_comparison_objs([
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"2 < 11",
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"11 > 9",
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"9 < 8",
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"10 < 11",
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"3 > 10",
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"11 < 7",
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"11 < 5",
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"7 > 8",
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"3 > 8"])
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assert list(SheerkaComparisonManager.toposort(comparison_objs)) == [{'2', '9', '10'},
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{'8', '11'},
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{'3', '5', '7'}]
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def test_i_can_toposort_when_no_data(self):
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assert list(SheerkaComparisonManager.toposort([])) == []
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def test_i_cannot_toposort_when_cycle(self):
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comparison_objs = self.get_comparison_objs([
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"1 < 2",
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"2 < 3",
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"3 < 1",
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"1 < 4", # no issue with this
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"2 < 5", # no issue with this
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])
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with pytest.raises(ChickenAndEggError) as ex:
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list(SheerkaComparisonManager.toposort(comparison_objs))
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assert ex.value.concepts == {"1", "2", "3"}
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def test_i_can_detect_chicken_and_egg(self):
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sheerka, context, one, two = self.init_concepts("one", "two")
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service = sheerka.services[SheerkaComparisonManager.NAME]
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@@ -255,7 +306,7 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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assert not res.status
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assert sheerka.isinstance(res.body, BuiltinConcepts.CHICKEN_AND_EGG)
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assert set(res.body.body) == {one, two}
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assert set(res.body.body) == {one.str_id, two.str_id}
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def test_i_can_detect_more_complex_chicken_and_egg(self):
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sheerka, context, one, two, three, four, five = self.init_concepts("one", "two", "three", "four", "five")
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@@ -270,7 +321,7 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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assert not res.status
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assert sheerka.isinstance(res.body, BuiltinConcepts.CHICKEN_AND_EGG)
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assert set(res.body.body) == {one, two, five}
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assert set(res.body.body) == {one.str_id, two.str_id, five.str_id}
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def test_i_can_give_the_same_information_in_many_ways(self):
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sheerka, context, one, two = self.init_concepts("one", "two")
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@@ -292,10 +343,10 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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service = sheerka.services[SheerkaComparisonManager.NAME]
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service.set_is_lesser(context, "prop_name", one)
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assert service.get_concepts_weights("prop_name") == {"c:one|1001:": 0} # DEFAULT_COMPARISON_VALUE - 1
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assert service.get_weights("prop_name") == {"c:one|1001:": 0} # DEFAULT_COMPARISON_VALUE - 1
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sheerka.set_is_greater_than(context, "prop_name", three, two)
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assert service.get_concepts_weights("prop_name") == {"c:one|1001:": 0, "c:two|1002:": 1, "c:three|1003:": 2}
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assert service.get_weights("prop_name") == {"c:one|1001:": 0, "c:two|1002:": 1, "c:three|1003:": 2}
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# I can commit
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sheerka.om.commit(context)
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@@ -315,7 +366,7 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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sheerka.set_is_less_than(context, "prop_name", less_l, lesser)
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sheerka.set_is_greater_than(context, "prop_name", less_l, even_more_l)
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assert service.get_concepts_weights("prop_name") == {"c:lesser|1001:": 0,
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assert service.get_weights("prop_name") == {"c:lesser|1001:": 0,
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"c:less_l|1002:": -1,
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"c:even_less_l|1003:": -2}
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@@ -325,46 +376,46 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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unless minus_one is defined as lesser itself
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:return:
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"""
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sheerka, context, lesser, foo = self.init_concepts("lesser", "foo")
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sheerka, context, lesser, foo, bar = self.init_concepts("lesser", "foo", "bar")
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service = sheerka.services[SheerkaComparisonManager.NAME]
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service.set_is_lesser(context, "prop_name", lesser)
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res = sheerka.set_is_less_than(context, "prop_name", foo, lesser)
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assert not res.status
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assert sheerka.isinstance(res.body, BuiltinConcepts.INVALID_LESSER_OPERATION)
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# sanity check
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res = sheerka.set_is_greater_than(context, "prop_name", foo, lesser)
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assert res.status
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res = sheerka.set_is_less_than(context, "prop_name", bar, lesser)
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assert not res.status
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assert sheerka.isinstance(res.body, BuiltinConcepts.INVALID_LESSER_OPERATION)
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assert sheerka.isinstance(res.body, BuiltinConcepts.IS_LESSER_CONSTRAINT_ERROR)
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def test_a_greatest_concept_has_the_highest_weight(self):
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sheerka, context, one, two, three = self.init_concepts("one", "two", "three")
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service = sheerka.services[SheerkaComparisonManager.NAME]
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service.set_is_greatest(context, "prop_name", three)
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assert service.get_concepts_weights("prop_name") == {"c:three|1003:": 2} # DEFAULT_COMPARISON_VALUE + 1
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assert service.get_weights("prop_name") == {"c:three|1003:": 2} # DEFAULT_COMPARISON_VALUE + 1
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sheerka.set_is_greater_than(context, "prop_name", two, one)
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assert service.get_concepts_weights("prop_name") == {"c:one|1001:": 1, "c:two|1002:": 2, "c:three|1003:": 3}
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assert service.get_weights("prop_name") == {"c:one|1001:": 1, "c:two|1002:": 2, "c:three|1003:": 3}
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def test_i_cannot_define_greater_than_a_greatest_if_not_a_greater_itself(self):
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sheerka, context, greatest, foo = self.init_concepts("greatest", "foo")
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sheerka, context, greatest, foo, bar = self.init_concepts("greatest", "foo", "bar")
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service = sheerka.services[SheerkaComparisonManager.NAME]
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service.set_is_greatest(context, "prop_name", greatest)
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# sanity check
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res = sheerka.set_is_less_than(context, "prop_name", foo, greatest)
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assert not res.status
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assert sheerka.isinstance(res.body, BuiltinConcepts.INVALID_GREATEST_OPERATION)
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assert res.status
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res = sheerka.set_is_greater_than(context, "prop_name", foo, greatest)
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res = sheerka.set_is_greater_than(context, "prop_name", bar, greatest)
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assert not res.status
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assert sheerka.isinstance(res.body, BuiltinConcepts.INVALID_GREATEST_OPERATION)
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assert sheerka.isinstance(res.body, BuiltinConcepts.IS_GREATEST_CONSTRAINT_ERROR)
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@pytest.mark.parametrize("definitions, expected", [
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(["foo >>", "foo <<"], BuiltinConcepts.INVALID_GREATEST_OPERATION),
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(["foo <<", "foo >>"], BuiltinConcepts.INVALID_LESSER_OPERATION),
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(["foo >>", "foo <<"], BuiltinConcepts.IS_GREATEST_CONSTRAINT_ERROR),
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(["foo <<", "foo >>"], BuiltinConcepts.IS_LESSER_CONSTRAINT_ERROR),
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])
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def test_i_cannot_define_a_concept_as_lesser_and_greatest_at_the_same_time(self, definitions, expected):
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sheerka, context, foo = self.init_concepts("foo")
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@@ -386,7 +437,7 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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sheerka.set_is_less_than(context, "prop_name", greatest, more_g)
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sheerka.set_is_greater_than(context, "prop_name", even_more_g, more_g)
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assert service.get_concepts_weights("prop_name") == {"c:greatest|1001:": 2,
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assert service.get_weights("prop_name") == {"c:greatest|1001:": 2,
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"c:more_g|1002:": 3,
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"c:even_more_g|1003:": 4}
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@@ -405,7 +456,7 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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sheerka.set_is_less_than(context, "prop_name", three, four)
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assert service.get_concepts_weights("prop_name") == {
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assert service.get_weights("prop_name") == {
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"c:one|1001:": -1,
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"c:two|1002:": 0,
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"c:three|1003:": 1,
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@@ -417,7 +468,7 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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sheerka.set_is_less_than(context, "prop_name", three_and_half, four)
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sheerka.set_is_greater_than(context, "prop_name", three_and_half, three)
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assert service.get_concepts_weights("prop_name") == {
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assert service.get_weights("prop_name") == {
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"c:one|1001:": -1,
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"c:two|1002:": 0,
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"c:three|1003:": 1,
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@@ -446,7 +497,7 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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service.set_is_greater_than(context, "prop_name", five, one)
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service.set_is_greater_than(context, "prop_name", five, three)
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assert service.get_concepts_weights("prop_name") == {
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assert service.get_weights("prop_name") == {
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"c:zero|1001:": 0,
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"c:one|1002:": 1,
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"c:two|1003:": 2,
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@@ -471,7 +522,7 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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res = self.execution_definition(context, service, concepts_map, definition)
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assert not res.status
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assert sheerka.isinstance(res.body, BuiltinConcepts.CONCEPT_ALREADY_DEFINED)
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assert sheerka.isinstance(res.body, BuiltinConcepts.COMPARISON_ALREADY_DEFINED)
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def test_an_event_is_fired_when_modifying_concepts_precedence(self):
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sheerka, context, one, two, foo = self.init_concepts("one", "two", "foo")
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@@ -514,3 +565,170 @@ class TestSheerkaGreaterThanManager(TestUsingMemoryBasedSheerka):
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sheerka.set_is_greater_than(context, BuiltinConcepts.PRECEDENCE, r1, r2, RULE_COMPARISON_CONTEXT)
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assert event_received
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@pytest.mark.parametrize("entries, expected", [
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([], (set(), set(), set())),
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(["a<<", "a<<", "b<<", "a<c"], (set(), {"a", "b"}, {"a", "b", "c"})),
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(["a>>", "a>>", "b>>", "a<c"], ({"a", "b"}, set(), {"a", "b", "c"})),
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(["a<<", "b>>", "c=d", "e<f", "g>h"], ({"b"}, {"a"}, {"a", "b", "c", "d", "e", "f", "g", "h"})),
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])
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def test_i_can_get_objs_groups(self, entries, expected):
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comparison_objs = self.get_comparison_objs(entries)
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assert SheerkaComparisonManager.get_objs_groups(comparison_objs) == expected
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@pytest.mark.parametrize("entries, greatest, lowest, expected_tuple", [
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# greatest
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(["a < b"], {"a", "b"}, set(), (["a < b"], [], [], [])),
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(["a > b"], {"a", "b"}, set(), (["a > b"], [], [], [])),
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# lowest
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(["a < b"], set(), {"a", "b"}, ([], ["a < b"], [], [])),
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(["a > b"], set(), {"a", "b"}, ([], ["a > b"], [], [])),
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# equiv
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(["a = b"], set(), set(), ([], [], ["a = b"], [])),
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# neither
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(["a < b"], set(), set(), ([], [], [], ["a < b"])),
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(["a > b"], set(), set(), ([], [], [], ["a > b"])),
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# irrelevant information
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(["a > b"], {"a"}, set(), ([], [], [], [])),
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(["a > b"], set(), {"b"}, ([], [], [], [])),
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(["a < b"], {"b"}, set(), ([], [], [], [])),
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(["a < b"], set(), {"a"}, ([], [], [], [])),
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# mixed
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(["a<b", "c<d", "e<f", "z=b"], {"a", "b", "c", "d"}, set(), (["a<b", "c<d"], [], ["z=b"], ["e<f"])),
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])
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def test_i_can_group_comparison_objs(self, entries, greatest, lowest, expected_tuple):
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comparison_objs = self.get_comparison_objs(entries)
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g, l, e, o = SheerkaComparisonManager.group_comparison_objs(comparison_objs, greatest, lowest)
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def compare_results(actual_result, expected_result):
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assert len(actual_result) == len(expected_result)
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for actual, expected in zip(actual_result, expected_result):
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expected_comparison_obj = list(self.get_comparison_objs([expected]))[0]
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assert actual.a == expected_comparison_obj.a
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assert actual.b == expected_comparison_obj.b
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assert actual.op == expected_comparison_obj.op
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compare_results(g, expected_tuple[0])
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compare_results(l, expected_tuple[1])
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compare_results(e, expected_tuple[2])
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compare_results(o, expected_tuple[3])
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@pytest.mark.parametrize("entries, expected", [
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([], {}),
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(["a < b"], {"a": 1, "b": 2}),
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(["a > b"], {"a": 2, "b": 1}),
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(["a < b", "b > a"], {"a": 1, "b": 2}),
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(["a < b", "b < c"], {"a": 1, "b": 2, "c": 3}),
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(["a < b", "a < c"], {"a": 1, "b": 2, "c": 2}),
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# greatest between themselves
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(["a < b", "a>>", "b>>"], {"a": 2, "b": 3}),
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(["a > b", "a>>", "b>>"], {"a": 3, "b": 2}),
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(["a < b", "b > a", "a>>", "b>>"], {"a": 2, "b": 3}),
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(["a < b", "b < c", "a>>", "b>>", "c>>"], {"a": 2, "b": 3, "c": 4}),
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(["a < b", "a < c", "a>>", "b>>", "c>>"], {"a": 2, "b": 3, "c": 3}),
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# lowest between themselves
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(["a < b", "a<<", "b<<"], {"a": -1, "b": 0}),
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(["a > b", "a<<", "b<<"], {"a": 0, "b": -1}),
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(["a < b", "b > a", "a<<", "b<<"], {"a": -1, "b": 0}),
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(["a < b", "b < c", "a<<", "b<<", "c<<"], {"a": -2, "b": -1, "c": 0}),
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(["a < b", "a < c", "a<<", "b<<", "c<<"], {"a": -1, "b": 0, "c": 0}),
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# greatest that does not appear in other relations
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(["a >>", "b < c"], {"a": 3, "b": 1, "c": 2}),
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(["a >>", "a > b"], {"a": 2, "b": 1}),
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(["a >>", "a > b", "c > d", "d > e"], {"a": 4, "b": 1, "c": 3, "d": 2, "e": 1}),
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# lowest that does not appear in other relations
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(["a <<", "b < c"], {"a": 0, "b": 1, "c": 2}),
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(["a <<", "a < b"], {"a": 0, "b": 1}),
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(["a <<", "a < b", "c < d", "d < e"], {"a": 0, "b": 1, "c": 1, "d": 2, "e": 3}),
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(["z <<", "a<<", "b<<", "c<<", "a < b", "b < c"], {"a": -2, "b": -1, "c": 0, "z": -3}),
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# eq
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(["a = b"], {"a": 1, "b": 1}),
|
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(["a = b", "b > c"], {"a": 2, "b": 2, "c": 1}),
|
||||
(["a = z", "z>>", "b<c", "c<d"], {"a": 4, "b": 1, "c": 2, "d": 3, "z": 4}),
|
||||
(["b = a", "c = b", "a > d"], {"a": 2, "b": 2, "c": 2, "d": 1}),
|
||||
(["a = b", "b = c", "a > d"], {"a": 2, "b": 2, "c": 2, "d": 1}),
|
||||
#(["a = b", "b = c", "c > d"], {"a": 2, "b": 2, "c": 2, "d": 1}), # not working
|
||||
|
||||
# mix greatest and lesser
|
||||
(["a >>", "b<<", "a > b"], {"a": 2, "b": 0}),
|
||||
])
|
||||
def test_i_can_compute_weight_new(self, entries, expected):
|
||||
comparison_objs = list(self.get_comparison_objs(entries))
|
||||
assert SheerkaComparisonManager.compute_weights(comparison_objs) == expected
|
||||
|
||||
@pytest.mark.parametrize("previous_entries, new_entry, items_in_cycle", [
|
||||
(["a > b"], "b > a", {"a", "b"}),
|
||||
(["a > b", "c > d"], "b > a", {"a", "b"}),
|
||||
(["a < b", "b < c"], "c < a", {"a", "b", "c"}),
|
||||
])
|
||||
def test_validate_new_entry_i_can_detect_cycle(self, previous_entries, new_entry, items_in_cycle):
|
||||
sheerka, context = self.init_test().unpack()
|
||||
|
||||
new_co = list(self.get_comparison_objs([new_entry]))[0]
|
||||
previous_comparison_objs = list(self.get_comparison_objs(previous_entries))
|
||||
|
||||
res = SheerkaComparisonManager.validate_new_entry(context, new_co, previous_comparison_objs)
|
||||
|
||||
assert not res.status
|
||||
assert sheerka.isinstance(res.body, BuiltinConcepts.CHICKEN_AND_EGG)
|
||||
assert set(res.body.body) == items_in_cycle
|
||||
|
||||
@pytest.mark.parametrize("previous_entries, new_entry", [
|
||||
(["a > b"], "a > b"),
|
||||
(["a < b"], "a < b"),
|
||||
(["a = b"], "a = b"),
|
||||
(["a <<"], "a <<"),
|
||||
(["a >>"], "a >>"),
|
||||
])
|
||||
def test_validate_new_entry_i_can_detect_duplicate_entries(self, previous_entries, new_entry):
|
||||
sheerka, context = self.init_test().unpack()
|
||||
|
||||
new_co = list(self.get_comparison_objs([new_entry]))[0]
|
||||
previous_comparison_objs = list(self.get_comparison_objs(previous_entries))
|
||||
|
||||
res = SheerkaComparisonManager.validate_new_entry(context, new_co, previous_comparison_objs)
|
||||
|
||||
assert not res.status
|
||||
assert sheerka.isinstance(res.body, BuiltinConcepts.COMPARISON_ALREADY_DEFINED)
|
||||
|
||||
@pytest.mark.parametrize("previous_entries, new_entry", [
|
||||
(["a>>"], "a<<"),
|
||||
(["a>>"], "a < b"),
|
||||
(["a>>"], "b > a"),
|
||||
])
|
||||
def test_validate_new_entry_i_can_detect_is_greatest_constraint_error(self, previous_entries, new_entry):
|
||||
sheerka, context = self.init_test().unpack()
|
||||
|
||||
new_co = list(self.get_comparison_objs([new_entry]))[0]
|
||||
previous_comparison_objs = list(self.get_comparison_objs(previous_entries))
|
||||
|
||||
res = SheerkaComparisonManager.validate_new_entry(context, new_co, previous_comparison_objs)
|
||||
|
||||
assert not res.status
|
||||
assert sheerka.isinstance(res.body, BuiltinConcepts.IS_GREATEST_CONSTRAINT_ERROR)
|
||||
|
||||
@pytest.mark.parametrize("previous_entries, new_entry", [
|
||||
(["a<<"], "a>>"),
|
||||
(["a<<"], "a > b"),
|
||||
(["a<<"], "b < a"),
|
||||
])
|
||||
def test_validate_new_entry_i_can_detect_is_lesser_constraint_error(self, previous_entries, new_entry):
|
||||
sheerka, context = self.init_test().unpack()
|
||||
|
||||
new_co = list(self.get_comparison_objs([new_entry]))[0]
|
||||
previous_comparison_objs = list(self.get_comparison_objs(previous_entries))
|
||||
|
||||
res = SheerkaComparisonManager.validate_new_entry(context, new_co, previous_comparison_objs)
|
||||
|
||||
assert not res.status
|
||||
assert sheerka.isinstance(res.body, BuiltinConcepts.IS_LESSER_CONSTRAINT_ERROR)
|
||||
|
||||
Reference in New Issue
Block a user