test: add basic integration test

Author: reedham-aws

tests/integration/buildcmd/build_integ_base.py

@@ -114,6 +114,7 @@ def get_command_list(
         config_file=None,
         save_params=False,
         project_root_dir=None,
+        use_buildkit=False,
     ):
         command_list = [self.cmd, "build"]
 
@@ -140,6 +141,9 @@ def get_command_list(
         if debug:
             command_list += ["--debug"]
 
+        if use_buildkit:
+            command_list += ["--use-buildkit"]
+
         if cached:
             command_list += ["--cached"]
 

tests/integration/buildcmd/test_build_cmd.py

@@ -14,6 +14,8 @@
 
 from samcli.lib.utils import osutils
 from samcli.local.docker.utils import get_validated_container_client
+from samcli.local.docker.image_build_client import CLIBuildClient
+from samcli.local.docker.container_client_factory import ContainerClientFactory
 from samcli.yamlhelper import yaml_parse
 from tests.testing_utils import (
     IS_WINDOWS,
@@ -1869,6 +1871,50 @@ def _verify_build_succeeds(self, build_dir):
         self.assertIn("BuildImageFunction", build_dir_files)
 
 
+@skipIf(SKIP_DOCKER_TESTS, SKIP_DOCKER_MESSAGE)
+class TestBuildImageWithBuildkit(BuildIntegBase):
+    """Test building image functions with buildkit"""
+
+    template = "template_image.yaml"
+    function_logical_id = "ImageFunction"
+
+    def test_build_image_function_with_buildkit(self):
+        client = ContainerClientFactory.create_client()
+        is_available, error_msg = CLIBuildClient.is_available(client.get_runtime_type())
+
+        if not is_available:
+            self.skipTest(f"Buildkit not available: {error_msg}")
+
+        tag = uuid4().hex
+        overrides = {
+            "Runtime": "3.12",
+            "Handler": "main.handler",
+            "DockerFile": "Dockerfile",
+            "Tag": tag,
+        }
+        cmdlist = self.get_command_list(parameter_overrides=overrides, use_buildkit=True)
+
+        command_result = run_command(cmdlist, cwd=self.working_dir)
+        self.assertEqual(command_result.process.returncode, 0)
+
+        # Verify image was built
+        self._verify_image_build_artifact(
+            self.built_template,
+            self.function_logical_id,
+            "ImageUri",
+            f"{self.function_logical_id.lower()}:{tag}",
+        )
+
+        # Verify image works
+        expected = {"pi": "3.14"}
+        self._verify_invoke_built_function(
+            self.built_template,
+            self.function_logical_id,
+            self._make_parameter_override_arg(overrides),
+            expected,
+        )
+
+
 @parameterized_class(
     ("template", "stack_paths", "layer_full_path", "function_full_paths", "invoke_error_message"),
     [