chore: import upstream snapshot with attribution

tests/test_openapi3parser.py

@@ -0,0 +1,53 @@
+import pytest
+from application.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"],
+        ),
+    ],
+)
+@pytest.mark.unit
+def test_get_base_urls(urls, expected_base_urls):
+    assert OpenAPI3Parser().get_base_urls(urls) == expected_base_urls
+
+
+@pytest.mark.unit
+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"
+    )
+
+
+@pytest.mark.unit
+def test_parse_file():
+    file_path = "tests/test_openapi3.yaml"
+    results_expected = (
+        "Base URL:http://petstore.swagger.io,https://api.example.com\nPath1: "
+        + "/pets\ndescription: None\nparameters: []\nmethods: \n"
+        + "get=A paged array of pets\npost=Null "
+        + "response\nPath2: /pets/{petId}\ndescription: None\n"
+        + "parameters: []\nmethods: "
+        + "\nget=Expected response to a valid request\n"
+    )
+    openapi_parser_test = OpenAPI3Parser()
+    results = openapi_parser_test.parse_file(file_path)
+    assert results == results_expected
+
+
+if __name__ == "__main__":
+    pytest.main()