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Sheerka-Old/tests/test_ExactConceptParser.py
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from core.builtin_concepts import BuiltinConcepts
from core.concept import Concept, Property
from core.sheerka import Sheerka, ExecutionContext
from core.tokenizer import Tokenizer
from parsers.ExactConceptParser import ExactConceptParser
def test_i_can_compute_combinations():
parser = ExactConceptParser()
res = parser.combinations(["foo", "bar", "baz"])
assert res == {('foo', 'bar', 'baz'),
('__var__0', 'bar', 'baz'),
('foo', '__var__0', 'baz'),
('foo', 'bar', '__var__0'),
('__var__0', '__var__1', 'baz'),
('__var__0', 'bar', '__var__1'),
('foo', '__var__0', '__var__1'),
('__var__0', '__var__1', '__var__2')}
def test_i_can_compute_combinations_with_duplicates():
parser = ExactConceptParser()
res = parser.combinations(["foo", "bar", "foo"])
assert res == {('foo', 'bar', 'foo'),
('__var__0', 'bar', '__var__0'),
('foo', '__var__0', 'foo'),
('__var__0', '__var__1', '__var__0'),
('__var__1', '__var__0', '__var__1')}
# TODO: the last tuple is not possible, so the algo can be improved
def test_i_can_recognize_a_simple_concept():
context = get_context()
concept = get_concept("hello world", [])
context.sheerka.add_in_cache(concept)
source = "hello world"
results = ExactConceptParser().parse(context, source)
assert len(results) == 1
assert results[0].status
assert results[0].value.value == concept
def test_i_can_recognize_concepts_defined_several_times():
context = get_context()
context.sheerka.add_in_cache(get_concept("hello world", []))
context.sheerka.add_in_cache(get_concept("hello a", ["a"]))
source = "hello world"
results = ExactConceptParser().parse(context, source)
assert len(results) == 2
results = sorted(results, key=lambda x: x.value.value.name) # because of the usage of sets
assert results[0].status
assert results[0].value.value.name == "hello a"
assert results[0].value.value.props["a"].value == "world"
assert results[1].status
assert results[1].value.value.name == "hello world"
def test_i_can_recognize_a_concept_with_variables():
context = get_context()
concept = get_concept("a + b", ["a", "b"])
context.sheerka.add_in_cache(concept)
source = "10 + 5"
results = ExactConceptParser().parse(context, source)
assert len(results) == 1
assert results[0].status
concept_found = results[0].value.value
assert concept_found.key == concept.key
assert concept_found.props["a"].value == "10"
assert concept_found.props["b"].value == "5"
def test_i_can_recognize_a_concept_with_duplicate_variables():
context = get_context()
concept = get_concept("a + b + a", ["a", "b"])
context.sheerka.concepts_cache[concept.key] = concept
source = "10 + 5 + 10"
results = ExactConceptParser().parse(context, source)
assert len(results) == 1
assert results[0].status
concept_found = results[0].value.value
assert concept_found.key == concept.key
assert concept_found.props["a"].value == "10"
assert concept_found.props["b"].value == "5"
def test_i_can_manage_unknown_concept():
context = get_context()
source = "def concept hello world" # this is not a concept by itself
res = ExactConceptParser().parse(context, source)
assert not res.status
assert context.sheerka.isinstance(res.value, BuiltinConcepts.UNKNOWN_CONCEPT)
assert res.value.body == "def concept hello world"
def test_i_can_detect_concepts_too_long():
context = get_context()
source = "a very very long concept that cannot be an unique one"
res = ExactConceptParser().parse(context, source)
assert not res.status
assert context.sheerka.isinstance(res.value, BuiltinConcepts.CONCEPT_TOO_LONG)
assert res.value.body == "a very very long concept that cannot be an unique one"
def test_i_can_detect_concept_from_tokens():
context = get_context()
concept = get_concept("hello world", [])
context.sheerka.add_in_cache(concept)
source = "hello world"
results = ExactConceptParser().parse(context, list(Tokenizer(source)))
assert len(results) == 1
assert results[0].status
assert results[0].value.value == concept
def get_context():
sheerka = Sheerka(skip_builtins_in_db=True)
sheerka.initialize("mem://")
return ExecutionContext("sheerka", "xxxx", sheerka)
def get_concept(name, variables):
c = Concept(name=name)
if variables:
for v in variables:
c.props[v] = Property(v, None)
c.init_key()
return c