tests/remoteexecution/partial.py: Add test for partial CAS

2 files changed, 52 insertions, 0 deletions

diff --git a/tests/remoteexecution/partial.py b/tests/remoteexecution/partial.py
new file mode 100644
index 000000000..907fc507d
--- /dev/null
+++ b/tests/remoteexecution/partial.py
@@ -0,0 +1,43 @@
+import os
+import pytest
+
+from buildstream._exceptions import ErrorDomain
+from buildstream.plugintestutils import cli_remote_execution as cli
+from buildstream.plugintestutils.integration import assert_contains
+
+
+pytestmark = pytest.mark.remoteexecution
+
+
+DATA_DIR = os.path.join(
+    os.path.dirname(os.path.realpath(__file__)),
+    "project"
+)
+
+
+# Test that `bst build` does not download file blobs of a build-only dependency
+# to the local cache.
+@pytest.mark.datafiles(DATA_DIR)
+def test_build_dependency_partial_local_cas(cli, datafiles):
+    project = str(datafiles)
+    element_name = 'no-runtime-deps.bst'
+    builddep_element_name = 'autotools/amhello.bst'
+    checkout = os.path.join(cli.directory, 'checkout')
+    builddep_checkout = os.path.join(cli.directory, 'builddep-checkout')
+
+    services = cli.ensure_services()
+    assert set(services) == set(['action-cache', 'execution', 'storage'])
+
+    result = cli.run(project=project, args=['build', element_name])
+    result.assert_success()
+
+    # Verify that the target element is available in local cache
+    result = cli.run(project=project, args=['artifact', 'checkout', element_name,
+                                            '--directory', checkout])
+    result.assert_success()
+    assert_contains(checkout, ['/test'])
+
+    # Verify that the build-only dependency is not (complete) in the local cache
+    result = cli.run(project=project, args=['artifact', 'checkout', builddep_element_name,
+                                            '--directory', builddep_checkout])
+    result.assert_main_error(ErrorDomain.STREAM, 'uncached-checkout-attempt')
diff --git a/tests/remoteexecution/project/elements/no-runtime-deps.bst b/tests/remoteexecution/project/elements/no-runtime-deps.bst
new file mode 100644
index 000000000..ca76aaf9f
--- /dev/null
+++ b/tests/remoteexecution/project/elements/no-runtime-deps.bst
@@ -0,0 +1,9 @@
+kind: manual
+description: Test element without runtime dependencies
+
+build-depends:
+- autotools/amhello.bst
+
+config:
+  install-commands:
+  - echo Test > %{install-root}/test