Implements Better Array Tests

tests/parser/test_array_type_parser.py

@@ -0,0 +1,115 @@
+from typing import get_args
+from unittest import TestCase
+
+from jambo.parser import ArrayTypeParser
+
+
+class TestArrayTypeParser(TestCase):
+    def test_array_parser_no_options(self):
+        parser = ArrayTypeParser()
+
+        properties = {"items": {"type": "string"}}
+
+        type_parsing, type_validator = parser.from_properties("placeholder", properties)
+
+        element_type = get_args(type_parsing)[0]
+
+        self.assertEqual(type_parsing.__origin__, list)
+        self.assertEqual(element_type, str)
+
+    def test_array_parser_with_options_unique(self):
+        parser = ArrayTypeParser()
+
+        properties = {"items": {"type": "string"}, "uniqueItems": True}
+
+        type_parsing, type_validator = parser.from_properties("placeholder", properties)
+
+        self.assertEqual(type_parsing.__origin__, set)
+
+    def test_array_parser_with_options_max_min(self):
+        parser = ArrayTypeParser()
+
+        properties = {"items": {"type": "string"}, "maxItems": 10, "minItems": 1}
+
+        type_parsing, type_validator = parser.from_properties("placeholder", properties)
+
+        self.assertEqual(type_parsing.__origin__, list)
+        self.assertEqual(type_validator["max_length"], 10)
+        self.assertEqual(type_validator["min_length"], 1)
+
+    def test_array_parser_with_options_default_list(self):
+        parser = ArrayTypeParser()
+
+        properties = {"items": {"type": "string"}, "default": ["a", "b", "c"]}
+
+        type_parsing, type_validator = parser.from_properties("placeholder", properties)
+
+        self.assertEqual(type_parsing.__origin__, list)
+        self.assertEqual(type_validator["default_factory"](), ["a", "b", "c"])
+
+    def test_array_parse_with_options_default_set(self):
+        parser = ArrayTypeParser()
+
+        properties = {
+            "items": {"type": "string"},
+            "uniqueItems": True,
+            "default": ["a", "b", "c"],
+        }
+
+        type_parsing, type_validator = parser.from_properties("placeholder", properties)
+
+        self.assertEqual(type_parsing.__origin__, set)
+        self.assertEqual(type_validator["default_factory"](), {"a", "b", "c"})
+
+    def test_array_parser_with_invalid_default_elem_type(self):
+        parser = ArrayTypeParser()
+
+        properties = {"items": {"type": "string"}, "default": ["a", 1, "c"]}
+
+        with self.assertRaises(ValueError) as context:
+            parser.from_properties("placeholder", properties)
+
+            self.assertEqual(
+                str(context.exception),
+                "All items in the default list must be of type str",
+            )
+
+    def test_array_parser_with_invalid_default_type(self):
+        parser = ArrayTypeParser()
+
+        properties = {"items": {"type": "string"}, "default": "not_a_list"}
+
+        with self.assertRaises(ValueError) as context:
+            parser.from_properties("placeholder", properties)
+
+            self.assertEqual(
+                str(context.exception), "Default value must be a list, got str"
+            )
+
+    def test_array_parser_with_invalid_default_min(self):
+        parser = ArrayTypeParser()
+
+        properties = {"items": {"type": "string"}, "default": ["a"], "minItems": 2}
+
+        with self.assertRaises(ValueError) as context:
+            parser.from_properties("placeholder", properties)
+
+            self.assertEqual(
+                str(context.exception), "Default list is below minItems limit of 2"
+            )
+
+    def test_array_parser_with_invalid_default_max(self):
+        parser = ArrayTypeParser()
+
+        properties = {
+            "items": {"type": "string"},
+            "default": ["a", "b", "c", "d"],
+            "maxItems": 3,
+        }
+
+        with self.assertRaises(ValueError) as context:
+            parser.from_properties("placeholder", properties)
+
+            self.assertEqual(
+                str(context.exception), "Default list exceeds maxItems limit of 3"
+            )