tests: body param generator

Issue: #24

test/conftest.py

@@ -212,6 +212,45 @@ def generate_query_and_status(params) -> list[tuple[str, int]]:
 	return query_and_status
 
 
+def generate_body_and_status(params: dict[str, str]) -> list[tuple[dict, int]]:
+	possible_values_int = [0, -1, 42, "banana", ""]
+	possible_values_str = [0]
+
+	defaults = [{param: 1 for param in params.keys()}]
+
+	# Missing params
+	body_list = [
+		{key: ("valid string" if params[key] == "str" else 1) for key in combo}
+		for r in range(len(defaults[0].keys()) + 1)
+		for combo in combinations(defaults[0].keys(), r)
+	]
+
+	# Complete body as default for generating invalid checks
+	default_body = body_list.pop(-1)
+
+	# Generates checks for each param being invalid
+	for param, typ in params.items():
+		if typ == "int":
+			possible_values = possible_values_int
+		elif typ == "str":
+			possible_values = possible_values_str
+		else:
+			raise TypeError(f"Unknown type {typ}")
+		for value in possible_values:
+			new_record = default_body.copy()
+			new_record[param] = value
+			body_list.append(new_record)
+
+	body_and_status = []
+
+	# Assign expected status
+	for body in body_list:
+		# ID 42 is used to represent a non-existent entry. So it should 404.
+		status = 404 if 42 in body.values() else 422
+		body_and_status.append((body, status))
+	return body_and_status
+
+
 def get_testable_routes():
 	routes = []