feat: add read yml file function (#14)

* feat: add adapter module

* test: checking if sam is an instance of fastapi

* refactor: sort imports

* build: add pyyaml dependency

* feat: add read yaml file function

* test: add read yaml file test

* refactor: transform intrinsic cloud formation into yaml valid template

* refactor: improve tests

* refactor: use relative path

* feat: add pyyaml to package's depencies

* wip: create cloudformation template loader module

* feat: add constructor SAM class

* test: add sam class initialization tests

* chore: delete templete.yaml file

* test: add test initialization without template

* refactor: deleting duplicate tests

---------

Co-authored-by: Gabriel Figueiredo <[email protected]>
Co-authored-by: Juliano Fernandes <[email protected]>

src/adapter.py

@@ -1,5 +1,11 @@
+from typing import Optional
+
 from fastapi import FastAPI
 
+import cloudformation
+
 
 class SAM(FastAPI):
- ...
+ def __init__(self, template: Optional[str] = None, *args, **kwargs) -> None:
+ super().__init__(*args, **kwargs)
+ self._cloudformation = cloudformation.load(template)

tests/test_adapter.py

@@ -1,11 +1,33 @@
 import unittest
-
-from fastapi import FastAPI
+from pathlib import Path
 
 from adapter import SAM
+from cloudformation import CFTemplateNotFound
 
 
 class TestSAMAdapter(unittest.TestCase):
- def test_sam_instance_of_fastapi(self):
+ def setUp(self) -> None:
+ self.path_templates = "tests/fixtures/templates"
+
+ def test_initialization_with_template(self):
+ sam = SAM(f"{self.path_templates}/example1.yml")
+
+ self.assertIsNotNone(sam._cloudformation)
+ self.assertIsInstance(sam._cloudformation, dict)
+ self.assertIn("Resources", sam._cloudformation)
+
+ def test_initialization_without_template(self):
+ symlink = Path("template.yml")
+ symlink.symlink_to("tests/fixtures/templates/example1.yml")
+
  sam = SAM()
- self.assertIsInstance(sam, FastAPI)
+
+ symlink.unlink()
+
+ self.assertIsNotNone(sam._cloudformation)
+ self.assertIsInstance(sam._cloudformation, dict)
+ self.assertIn("Resources", sam._cloudformation)
+
+ def test_initialization_without_template_exception(self):
+ with self.assertRaises(CFTemplateNotFound):
+ SAM()