1 files changed, 34 insertions, 0 deletions
diff --git a/tests/internals/utils.py b/tests/internals/utils.py
new file mode 100644
index 000000000..a34d3cda5
--- /dev/null
+++ b/tests/internals/utils.py
@@ -0,0 +1,34 @@
+import os
+from unittest import mock
+
+from buildstream import _yaml
+
+from ..testutils.runcli import cli
+
+
+KiB = 1024
+MiB = (KiB * 1024)
+GiB = (MiB * 1024)
+TiB = (GiB * 1024)
+
+
+def test_parse_size_over_1024T(cli, tmpdir):
+    cli.configure({
+        'cache': {
+            'quota': 2048 * TiB
+        }
+    })
+    project = tmpdir.join("main")
+    os.makedirs(str(project))
+    _yaml.dump({'name': 'main'}, str(project.join("project.conf")))
+
+    volume_space_patch = mock.patch(
+        "buildstream._artifactcache.ArtifactCache._get_volume_space_info_for",
+        autospec=True,
+        return_value=(1025 * TiB, 1025 * TiB)
+    )
+
+    with volume_space_patch:
+        result = cli.run(project, args=["build", "file.bst"])
+        failure_msg = 'Your system does not have enough available space to support the cache quota specified.'
+        assert failure_msg in result.stderr