Added tests and updated openapi3_parser.py

tests/test_openapi3parser.py

@@ -0,0 +1,29 @@
+import pytest
+
+from scripts.parser.file.openapi3_parser import OpenAPI3Parser
+from openapi_parser import parse
+
+
+@pytest.mark.parametrize("urls, expected_base_urls", [
+    (["http://petstore.swagger.io/v1", "https://api.example.com/v1/resource",'https://api.example.com/v1/another/resource','https://api.example.com/v1/some/endpoint'], ["http://petstore.swagger.io",'https://api.example.com']),
+])
+def test_get_base_urls(urls, expected_base_urls):
+    assert OpenAPI3Parser().get_base_urls(urls) == expected_base_urls
+
+def test_get_info_from_paths():
+    file_path = "tests/test_openapi3.yaml"
+    data = parse(file_path)
+    path=data.paths[1]
+    assert OpenAPI3Parser().get_info_from_paths(path)=="\nget=Expected response to a valid request"
+
+
+def test_parse_file():
+    file_path = "tests/test_openapi3.yaml"
+    results_real = "Base URL:http://petstore.swagger.io,https://api.example.com\nPath1: /pets\ndescription: None\nparameters: []\nmethods: \nget=A paged array of pets\npost=Null response\nPath2: /pets/{petId}\ndescription: None\nparameters: []\nmethods: \nget=Expected response to a valid request\n"
+    openapi_parser_test = OpenAPI3Parser()
+    results=openapi_parser_test.parse_file(file_path)
+    assert results == results_real
+
+
+if __name__ == "__main__":
+    pytest.main()