Add schemas, endpoints and supporting tests

tests/app/v2/template/test_template_schemas.py

@@ -0,0 +1,67 @@
+import uuid
+
+import pytest
+from flask import json
+
+from app.v2.template.template_schemas import (
+    get_template_by_id_response,
+    get_template_by_id_request
+)
+from app.schema_validation import validate
+from jsonschema.exceptions import ValidationError
+
+
+valid_json = {
+    'id': str(uuid.uuid4()),
+    'type': 'email',
+    'created_at': '2017-01-10T18:25:43.511Z',
+    'updated_at': '2017-04-23T18:25:43.511Z',
+    'version': 1,
+    'created_by': 'someone@test.com',
+    'body': "some body"
+}
+
+valid_json_with_optionals = {
+    'id': str(uuid.uuid4()),
+    'type': 'email',
+    'created_at': '2017-01-10T18:25:43.511Z',
+    'updated_at': '2017-04-23T18:25:43.511Z',
+    'version': 1,
+    'created_by': 'someone',
+    'body': "some body",
+    'subject': "some subject"
+}
+
+valid_request_args = [
+    {"id": str(uuid.uuid4()), "version": 1}, {"id": str(uuid.uuid4())}]
+
+invalid_request_args = [
+    ({"id": str(uuid.uuid4()), "version": "test"}, ["version test is not of type integer, null"]),
+    ({"id": str(uuid.uuid4()), "version": 0}, ["version 0 is less than the minimum of 1"]),
+    ({"version": 1}, ["id is a required property"]),
+    ({"id": "invalid_uuid"}, ["id is not a valid UUID"]),
+    ({"id": "invalid_uuid", "version": 0}, ["version 0 is less than the minimum of 1",
+                                            "id is not a valid UUID"])
+]
+
+
+@pytest.mark.parametrize("args", valid_request_args)
+def test_get_template_request_schema__against_valid_args_is_valid(args):
+    assert validate(args, get_template_by_id_request) == args
+
+
+@pytest.mark.parametrize("args,error_message", invalid_request_args)
+def test_get_template_request_schema_against_invalid_args_is_invalid(args, error_message):
+    with pytest.raises(ValidationError) as e:
+        validate(args, get_template_by_id_request)
+    errors = json.loads(str(e.value))
+
+    assert errors['status_code'] == 400
+
+    for error in errors['errors']:
+        assert error['message'] in error_message
+
+
+@pytest.mark.parametrize("response", [valid_json, valid_json_with_optionals])
+def test_get_template_response_schema_is_valid(response):
+    assert validate(response, get_template_by_id_response) == response