Add schemas, endpoints and supporting tests

tests/app/v2/template/test_get_template.py

@@ -0,0 +1,93 @@
+import pytest
+
+from flask import json
+
+from app import DATETIME_FORMAT
+from tests import create_authorization_header
+from tests.app.conftest import sample_template as create_sample_template
+
+EMAIL_TYPE = 'email'
+SMS_TYPE = 'sms'
+LETTER_TYPE = 'letter'
+
+template_types = [EMAIL_TYPE, SMS_TYPE, LETTER_TYPE]
+valid_version_params = [None, 1]
+
+
+@pytest.mark.parametrize("tmp_type", template_types)
+@pytest.mark.parametrize("version", valid_version_params)
+def test_get_email_template_by_id_returns_200(client, notify_db, notify_db_session, sample_service, tmp_type, version):
+    template = create_sample_template(notify_db, notify_db_session, template_type=tmp_type)
+    auth_header = create_authorization_header(service_id=sample_service.id)
+
+    version_path = '/version/{}'.format(version) if version else ''
+
+    response = client.get(path='/v2/template/{}{}'.format(template.id, version_path),
+                          headers=[('Content-Type', 'application/json'), auth_header])
+
+    assert response.status_code == 200
+    assert response.headers['Content-type'] == 'application/json'
+
+    json_response = json.loads(response.get_data(as_text=True))
+
+    expected_response = {
+        'id': '{}'.format(template.id),
+        'type': '{}'.format(template.template_type),
+        'created_at': template.created_at.strftime(DATETIME_FORMAT),
+        'updated_at': None,
+        'version': template.version,
+        'created_by': template.created_by.email_address,
+        'body': template.content,
+        "subject": template.subject if tmp_type == EMAIL_TYPE else None
+    }
+
+    assert json_response == expected_response
+
+
+def test_get_template_with_invalid_template_id_returns_404(client, sample_service):
+    auth_header = create_authorization_header(service_id=sample_service.id)
+
+    invalid_template_id = 'some_other_id'
+
+    response = client.get(path='/v2/template/{}'.format(invalid_template_id),
+                          headers=[('Content-Type', 'application/json'), auth_header])
+
+    assert response.status_code == 404
+    assert response.headers['Content-type'] == 'application/json'
+
+    json_response = json.loads(response.get_data(as_text=True))
+
+    assert json_response == {
+        "message": "The requested URL was not found on the server.  "
+                   "If you entered the URL manually please check your spelling and try again.",
+        "result": "error"
+    }
+
+
+@pytest.mark.parametrize("tmp_type", template_types)
+def test_get_template_with_invalid_version_returns_404(client, notify_db, notify_db_session, sample_service, tmp_type):
+    template = create_sample_template(
+        notify_db, notify_db_session, template_type=tmp_type)
+
+    auth_header = create_authorization_header(service_id=sample_service.id)
+
+    # test with version number beyond latest version
+    invalid_version = template.version + 1
+
+    response = client.get(path='/v2/template/{}/version/{}'.format(template.id, invalid_version),
+                          headers=[('Content-Type', 'application/json'), auth_header])
+
+    assert response.status_code == 404
+    assert response.headers['Content-type'] == 'application/json'
+
+    json_response = json.loads(response.get_data(as_text=True))
+
+    assert json_response == {
+        "errors": [
+            {
+                "error": "NoResultFound",
+                "message": "No result found"
+            }
+        ],
+        "status_code": 404
+    }