make validator abstract, unit tests for bool and str validator

tests/unit/validators/test_bool_validator.py

@@ -0,0 +1,20 @@
+import pytest
+
+from ytdl_subscribe.validators.base.validators import BoolValidator
+from ytdl_subscribe.validators.exceptions import ValidationException
+
+
+@pytest.mark.parametrize("value", [True, False])
+def test_bool_validator(value):
+    bool_validator = BoolValidator(name="good_bool_validator", value=value)
+    assert bool_validator._name == "good_bool_validator"
+    assert bool_validator._value == value
+    assert bool_validator.value == value
+
+
+@pytest.mark.parametrize("value", [None, {}, "True", 0])
+def test_bool_validator_fails_bad_value(value):
+    with pytest.raises(
+        ValidationException, match="Validation error in fail: should be of type bool"
+    ):
+        _ = BoolValidator(name="fail", value=value)

tests/unit/validators/test_string_validator.py

@@ -0,0 +1,20 @@
+import pytest
+
+from ytdl_subscribe.validators.base.validators import StringValidator
+from ytdl_subscribe.validators.exceptions import ValidationException
+
+
+@pytest.mark.parametrize("value", ["a", "unicode 💩", ""])
+def test_string_validator(value):
+    bool_validator = StringValidator(name="good_str_validator", value=value)
+    assert bool_validator._name == "good_str_validator"
+    assert bool_validator._value == value
+    assert bool_validator.value == value
+
+
+@pytest.mark.parametrize("value", [None, {}, True, 0])
+def test_bool_validator_fails_bad_value(value):
+    with pytest.raises(
+        ValidationException, match="Validation error in fail: should be of type string"
+    ):
+        _ = StringValidator(name="fail", value=value)

ytdl_subscribe/validators/base/validators.py

@@ -1,3 +1,4 @@
+from abc import ABC
 from typing import Any
 from typing import Dict
 from typing import List
@@ -8,7 +9,7 @@ from typing import TypeVar
 from ytdl_subscribe.validators.exceptions import ValidationException
 
 
-class Validator:
+class Validator(ABC):
     """
     Used to validate the value of a python object. This is the 'base' class that will first
     check that the value's type matches the expected type. Validators that inherit from this should