feat(embedded): API get embedded dashboard config by uuid (#19650)

* feat(embedded): get embedded dashboard config by uuid

* add tests and validation

* remove accidentally commit

* fix tests

tests/integration_tests/embedded/api_tests.py

@@ -0,0 +1,53 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# isort:skip_file
+"""Tests for security api methods"""
+from unittest import mock
+
+import pytest
+
+from superset import db
+from superset.embedded.dao import EmbeddedDAO
+from superset.models.dashboard import Dashboard
+from tests.integration_tests.base_tests import SupersetTestCase
+from tests.integration_tests.fixtures.birth_names_dashboard import (
+    load_birth_names_dashboard_with_slices,
+    load_birth_names_data,
+)
+
+
+class TestEmbeddedDashboardApi(SupersetTestCase):
+    resource_name = "embedded_dashboard"
+
+    @pytest.mark.usefixtures("load_birth_names_dashboard_with_slices")
+    @mock.patch.dict(
+        "superset.extensions.feature_flag_manager._feature_flags",
+        EMBEDDED_SUPERSET=True,
+    )
+    def test_get_embedded_dashboard(self):
+        self.login("admin")
+        self.dash = db.session.query(Dashboard).filter_by(slug="births").first()
+        self.embedded = EmbeddedDAO.upsert(self.dash, [])
+        uri = f"api/v1/{self.resource_name}/{self.embedded.uuid}"
+        response = self.client.get(uri)
+        self.assert200(response)
+
+    def test_get_embedded_dashboard_non_found(self):
+        self.login("admin")
+        uri = f"api/v1/{self.resource_name}/bad-uuid"
+        response = self.client.get(uri)
+        self.assert404(response)