Enhanced ExecutionContext to keep track of the execution flow

tests/test_sheerka.py

@@ -201,10 +201,10 @@ def test_i_can_get_list_of_concept_when_same_key_when_no_cache():
 
     sheerka.concepts_cache = {}  # reset the cache
 
-    from_cache = sheerka.get(concept1.key)
-    assert len(from_cache) == 2
-    assert from_cache[0] == concept1
-    assert from_cache[1] == concept2
+    result = sheerka.get(concept1.key)
+    assert len(result) == 2
+    assert result[0] == concept1
+    assert result[1] == concept2
 
 
 def test_i_can_get_list_of_concept_when_same_key_when_cache():
@@ -220,10 +220,65 @@ def test_i_can_get_list_of_concept_when_same_key_when_cache():
 
     # sheerka.concepts_cache = {}  # Do not reset the cache
 
-    from_cache = sheerka.get(concept1.key)
-    assert len(from_cache) == 2
-    assert from_cache[0] == concept1
-    assert from_cache[1] == concept2
+    result = sheerka.get(concept1.key)
+    assert len(result) == 2
+    assert result[0] == concept1
+    assert result[1] == concept2
+
+
+def test_i_can_get_the_correct_concept_using_the_id_when_same_key_when_no_cache():
+    sheerka = get_sheerka()
+    concept1 = get_default_concept()
+    concept2 = get_default_concept()
+    concept2.metadata.body = "a+b"
+
+    res1 = sheerka.create_new_concept(get_context(sheerka), concept1)
+    res2 = sheerka.create_new_concept(get_context(sheerka), concept2)
+
+    assert res1.value.body.key == res2.value.body.key  # same key
+
+    result = sheerka.get(concept1.key, res2.body.body.id)
+    assert result.name == "a + b"
+    assert result.body == "a+b"
+
+
+def test_i_can_get_the_correct_concept_using_the_id__when_same_key_when_cache():
+    sheerka = get_sheerka()
+    concept1 = get_default_concept()
+    concept2 = get_default_concept()
+    concept2.metadata.body = "a+b"
+
+    res1 = sheerka.create_new_concept(get_context(sheerka), concept1)
+    res2 = sheerka.create_new_concept(get_context(sheerka), concept2)
+
+    assert res1.value.body.key == res2.value.body.key  # same key
+
+    result = sheerka.get(concept1.key, res2.body.body.id)
+    assert result.name == "a + b"
+    assert result.body == "a+b"
+
+
+def test_i_cannot_get_the_correct_concept_id_the_id_is_wrong():
+    sheerka = get_sheerka()
+    concept1 = get_default_concept()
+    concept2 = get_default_concept()
+    concept2.metadata.body = "a+b"
+
+    res1 = sheerka.create_new_concept(get_context(sheerka), concept1)
+    res2 = sheerka.create_new_concept(get_context(sheerka), concept2)
+
+    assert res1.value.body.key == res2.value.body.key  # same key
+
+    result = sheerka.get(concept1.key, "wrong id")
+    assert sheerka.isinstance(result, BuiltinConcepts.UNKNOWN_CONCEPT)
+
+
+def test_i_cannot_get_when_key_is_none():
+    sheerka = get_sheerka()
+
+    res = sheerka.get(None)
+    assert sheerka.isinstance(res, BuiltinConcepts.ERROR)
+    assert res.body == "Concept key is undefined."
 
 
 def test_unknown_concept_is_return_when_the_concept_is_not_found():