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Sheerka-Old/tests/test_sheerka.py
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Python

import ast
import pytest
import os
from os import path
import shutil
from core import utils
from core.builtin_concepts import BuiltinConcepts, ReturnValueConcept
from core.concept import Concept, ConceptParts
from core.sheerka import Sheerka, ExecutionContext
from parsers.DefaultParser import DefaultParser
from parsers.PythonParser import PythonParser
from sdp.sheerkaDataProvider import SheerkaDataProvider, SheerkaDataProviderDuplicateKeyError
tests_root = path.abspath("../build/tests")
root_folder = "init_folder"
@pytest.fixture(autouse=True)
def init_test():
if path.exists(tests_root):
shutil.rmtree(tests_root)
if not path.exists(tests_root):
os.makedirs(tests_root)
current_pwd = os.getcwd()
os.chdir(tests_root)
yield None
os.chdir(current_pwd)
def test_root_folder_is_created_after_initialization():
return_value = Sheerka().initialize(root_folder)
assert return_value.status, "initialisation should be successful"
assert os.path.exists(root_folder), "init folder should be created"
def test_i_can_list_builtin_concepts():
sheerka = get_sheerka()
builtins = list(sheerka.get_builtins_classes_as_dict())
assert str(BuiltinConcepts.ERROR) in builtins
assert str(BuiltinConcepts.RETURN_VALUE) in builtins
def test_builtin_concepts_are_initialized():
sheerka = get_sheerka()
assert len(sheerka.concepts_cache) == len(BuiltinConcepts)
for concept_name in BuiltinConcepts:
assert str(concept_name) in sheerka.concepts_cache
assert sheerka.sdp.get_safe(sheerka.CONCEPTS_ENTRY, str(concept_name)) is not None
for key, concept_class in sheerka.get_builtins_classes_as_dict().items():
assert isinstance(sheerka.concepts_cache[key], concept_class)
def test_builtin_concepts_can_be_updated():
sheerka = get_sheerka()
loaded_sheerka = sheerka.get(BuiltinConcepts.SHEERKA)
loaded_sheerka.desc = "I have a description"
sheerka.sdp.modify("Test", sheerka.CONCEPTS_ENTRY, loaded_sheerka.key, loaded_sheerka)
sheerka = get_sheerka()
loaded_sheerka = sheerka.get(BuiltinConcepts.SHEERKA)
assert loaded_sheerka.desc == "I have a description"
def test_i_can_add_a_concept():
sheerka = get_sheerka()
concept = get_default_concept()
res = sheerka.create_new_concept(get_context(sheerka), concept)
assert res.status
assert sheerka.isinstance(res.value, BuiltinConcepts.NEW_CONCEPT)
concept_found = res.value.body
for prop in Concept.props_to_serialize:
assert getattr(concept_found, prop) == getattr(concept, prop)
assert concept_found.key == "__var__0 + __var__1"
assert concept_found.id == "1001"
assert concept.key in sheerka.concepts_cache
assert path.exists(sheerka.sdp.get_obj_path(SheerkaDataProvider.ObjectsFolder, concept_found.get_digest()))
def test_i_cannot_add_the_same_concept_twice():
"""
Checks that duplicated concepts are managed by sheerka, not by sheerka.sdp
:return:
"""
sheerka = get_sheerka()
concept = get_default_concept()
sheerka.create_new_concept(get_context(sheerka), concept)
res = sheerka.create_new_concept(get_context(sheerka), concept)
assert not res.status
assert sheerka.isinstance(res.value, BuiltinConcepts.ERROR)
assert res.value.body.args[0] == "Duplicate object."
def test_i_can_get_a_builtin_concept_by_their_enum_or_the_string():
"""
Checks that a concept can be found its name
even when there are variables in the name (ex 'hello + a' or 'a + b' )
:return:
"""
sheerka = get_sheerka()
for key in sheerka.get_builtins_classes_as_dict():
assert sheerka.get(key) is not None
assert sheerka.get(str(key)) is not None
def test_i_can_get_new_concept():
sheerka = get_sheerka()
concept = get_default_concept()
sheerka.create_new_concept(get_context(sheerka), concept)
from_cache = sheerka.get(concept.key)
assert from_cache is not None
assert from_cache.key == concept.key
assert from_cache == concept
def test_i_first_look_in_local_cache():
sheerka = get_sheerka()
concept = get_default_concept()
sheerka.create_new_concept(get_context(sheerka), concept)
sheerka.concepts_cache[concept.key].pre = "I have modified the concept in cache"
from_cache = sheerka.get(concept.key)
assert from_cache is not None
assert from_cache.key == concept.key
assert from_cache.pre == "I have modified the concept in cache"
def test_i_can_get_a_known_concept_when_not_in_cache():
"""
When not in cache, uses sdp
:return:
"""
sheerka = get_sheerka()
concept = get_default_concept()
sheerka.create_new_concept(get_context(sheerka), concept)
sheerka.concepts_cache = {} # reset the cache
loaded = sheerka.get(concept.key)
assert loaded is not None
assert loaded == concept
def test_unknown_concept_is_return_when_the_concept_is_not_found():
sheerka = get_sheerka()
loaded = sheerka.get("fake_key")
assert loaded is not None
assert sheerka.isinstance(loaded, BuiltinConcepts.UNKNOWN_CONCEPT)
assert loaded.body == "fake_key"
def test_i_can_instantiate_a_builtin_concept_when_it_has_its_own_class():
sheerka = get_sheerka()
ret = sheerka.new(BuiltinConcepts.RETURN_VALUE, who="who", status="status", value="value", message="message")
assert isinstance(ret, ReturnValueConcept)
assert ret.key == str(BuiltinConcepts.RETURN_VALUE)
assert ret.who == "who"
assert ret.status == "status"
assert ret.value == "value"
assert ret.message == "message"
def test_i_can_instantiate_a_builtin_concept_when_no_specific_class():
sheerka = get_sheerka()
ret = sheerka.new(BuiltinConcepts.UNKNOWN_CONCEPT, body="fake_concept")
assert isinstance(ret, Concept)
assert ret.key == str(BuiltinConcepts.UNKNOWN_CONCEPT)
assert ret.body == "fake_concept"
def test_i_can_instantiate_a_concept():
sheerka = get_sheerka()
concept = get_default_concept()
sheerka.create_new_concept(get_context(sheerka), concept)
new = sheerka.new(concept.key, a=10, b="value")
assert sheerka.isinstance(new, concept)
for prop in Concept.props_to_serialize:
assert getattr(new, prop) == getattr(concept, prop)
assert new.props["a"].value == 10
assert new.props["b"].value == "value"
def test_instances_are_different_when_asking_for_new():
sheerka = get_sheerka()
concept = get_default_concept()
sheerka.create_new_concept(get_context(sheerka), concept)
new1 = sheerka.new(concept.key, a=10, b="value")
new2 = sheerka.new(concept.key, a=10, b="value")
assert new1 == new2
assert id(new1) != id(new2)
def test_i_get_the_same_instance_when_is_unique_is_true():
sheerka = get_sheerka()
concept = get_unique_concept()
sheerka.create_new_concept(get_context(sheerka), concept)
new1 = sheerka.new(concept.key, a=10, b="value")
new2 = sheerka.new(concept.key, a=10, b="value")
assert new1 == new2
assert id(new1) == id(new2)
def test_i_cannot_instantiate_an_unknown_concept():
sheerka = get_sheerka()
new = sheerka.new("fake_concept")
assert sheerka.isinstance(new, BuiltinConcepts.UNKNOWN_CONCEPT)
assert new.body == "fake_concept"
def test_i_cannot_instantiate_when_properties_are_not_recognized():
sheerka = get_sheerka()
concept = get_default_concept()
sheerka.create_new_concept(get_context(sheerka), concept)
new = sheerka.new(concept.key, a=10, c="value")
assert sheerka.isinstance(new, BuiltinConcepts.UNKNOWN_PROPERTY)
assert new.property_name == "c"
assert sheerka.isinstance(new.concept, concept)
def test_i_can_use_expect_one_when_empty():
sheerka = get_sheerka()
res = sheerka.expect_one(get_context(sheerka), [])
assert not res.status
assert sheerka.isinstance(res.value, BuiltinConcepts.IS_EMPTY)
def test_i_can_use_expect_one_when_too_many_success():
sheerka = get_sheerka()
items = [
ReturnValueConcept("who", True, None),
ReturnValueConcept("who", True, None),
]
res = sheerka.expect_one(get_context(sheerka), items)
assert not res.status
assert sheerka.isinstance(res.value, BuiltinConcepts.TOO_MANY_SUCCESS)
assert res.value.obj == items
def test_i_can_use_expect_when_only_errors_1():
sheerka = get_sheerka()
items = [
ReturnValueConcept("who", False, None),
]
res = sheerka.expect_one(get_context(sheerka), items)
assert not res.status
assert sheerka.isinstance(res.value, BuiltinConcepts.TOO_MANY_ERRORS)
assert res.value.obj == items
def test_i_can_use_expect_when_only_errors_2():
sheerka = get_sheerka()
items = [
ReturnValueConcept("who", False, None),
ReturnValueConcept("who", False, None),
]
res = sheerka.expect_one(get_context(sheerka), items)
assert not res.status
assert sheerka.isinstance(res.value, BuiltinConcepts.TOO_MANY_ERRORS)
assert res.value.obj == items
def test_i_can_use_expect_one_when_one_success_1():
sheerka = get_sheerka()
items = [
ReturnValueConcept("who", True, None),
]
res = sheerka.expect_one(get_context(sheerka), items)
assert res.status
assert res == items[0]
def test_i_can_use_expect_one_when_one_success_2():
sheerka = get_sheerka()
items = [
ReturnValueConcept("who", False, None),
ReturnValueConcept("who", True, None),
ReturnValueConcept("who", False, None),
]
res = sheerka.expect_one(get_context(sheerka), items)
assert res.status
assert res == items[1]
def test_i_can_use_expect_one_when_not_a_list_true():
sheerka = get_sheerka()
res = sheerka.expect_one(get_context(sheerka), ReturnValueConcept("who", True, None))
assert res.status
assert res == ReturnValueConcept("who", True, None)
def test_i_can_use_expect_one_when_not_a_list_false():
sheerka = get_sheerka()
res = sheerka.expect_one(get_context(sheerka), ReturnValueConcept("who", False, None))
assert not res.status
assert sheerka.isinstance(res.value, BuiltinConcepts.TOO_MANY_ERRORS)
assert res.value.obj == [ReturnValueConcept("who", False, None)]
@pytest.mark.parametrize("text, expected", [
("1 + 1", 2),
("sheerka.test()", 'I have access to Sheerka !')
])
def test_i_can_eval_simple_python_expressions(text, expected):
sheerka = get_sheerka()
res = sheerka.eval(text)
assert len(res) == 1
assert res[0].status
assert res[0].value == expected
def test_i_can_eval_simple_concept():
sheerka = get_sheerka()
concept = Concept(name="one", body="1").init_key()
sheerka.add_in_cache(concept)
text = "one"
res = sheerka.eval(text)
assert len(res) == 1
assert res[0].status
assert res[0].value == 1
def test_i_can_eval_def_concept_request():
text = """
def concept a + b
where isinstance(a, int) and isinstance(b, int)
pre isinstance(a, int) and isinstance(b, int)
post isinstance(res, int)
as:
def func(x,y):
return x+y
func(a,b)
"""
expected = get_default_concept()
expected.id = "1001"
expected.desc = None
expected.init_key()
sheerka = get_sheerka()
res = sheerka.eval(text)
assert len(res) == 1
assert res[0].status
assert sheerka.isinstance(res[0].value, BuiltinConcepts.NEW_CONCEPT)
concept_saved = res[0].value.body
for prop in Concept.props_to_serialize:
assert getattr(concept_saved, prop) == getattr(expected, prop)
assert concept_saved.key in sheerka.concepts_cache
assert path.exists(sheerka.sdp.get_obj_path(SheerkaDataProvider.ObjectsFolder, concept_saved.get_digest()))
def test_i_can_eval_def_concept_part_when_one_part_is_a_ref_of_another_concept():
"""
In this test, we test that the properties of 'concept a xx b' (which are 'a' and 'b')
are correctly detected, because of the concept 'a plus b' in its body
:return:
"""
sheerka = get_sheerka()
# concept 'a plus b' is known
concept_a_plus_b = Concept(name="a plus b").set_prop("a").set_prop("b").init_key()
sheerka.add_in_cache(concept_a_plus_b)
res = sheerka.eval("def concept a xx b as a plus b")
expected = Concept(name="a xx b", body="a plus b").set_prop("a").set_prop("b").init_key()
expected.id = "1001"
assert len(res) == 1
assert res[0].status
assert sheerka.isinstance(res[0].value, BuiltinConcepts.NEW_CONCEPT)
concept_saved = res[0].value.body
for prop in Concept.props_to_serialize:
assert getattr(concept_saved, prop) == getattr(expected, prop)
assert concept_saved.key in sheerka.concepts_cache
assert path.exists(sheerka.sdp.get_obj_path(SheerkaDataProvider.ObjectsFolder, concept_saved.get_digest()))
def test_i_cannot_eval_the_same_def_concept_twice():
text = """
def concept a + b
where isinstance(a, int) and isinstance(b, int)
pre isinstance(a, int) and isinstance(b, int)
post isinstance(res, int)
as:
def func(x,y):
return x+y
func(a,b)
"""
sheerka = get_sheerka()
sheerka.eval(text)
res = sheerka.eval(text)
assert len(res) == 1
assert not res[0].status
assert sheerka.isinstance(res[0].value, BuiltinConcepts.CONCEPT_ALREADY_DEFINED)
def get_sheerka():
sheerka = Sheerka()
sheerka.initialize(root_folder)
return sheerka
def get_context(sheerka):
return ExecutionContext("test", "xxx", sheerka)
def get_default_concept():
concept = Concept(
name="a + b",
where="isinstance(a, int) and isinstance(b, int)",
pre="isinstance(a, int) and isinstance(b, int)",
post="isinstance(res, int)",
body="def func(x,y):\n return x+y\nfunc(a,b)",
desc="specific description")
concept.set_prop("a", "value1")
concept.set_prop("b", "value2")
return concept
def get_unique_concept():
return Concept(name="unique", is_unique=True)