diff --git a/tests/data/pipelines/config_provider_sys.pipe b/tests/data/pipelines/config_provider_sys.pipe
new file mode 100644
index 00000000..d2d079da
--- /dev/null
+++ b/tests/data/pipelines/config_provider_sys.pipe
@@ -0,0 +1,5 @@
+config sysinfo
+  :homedir[ro]{SYS} homedir
+  :curdir[ro]{SYS} curdir
+  :processors[ro]{SYS} processors
+  :pid[ro]{SYS} pid
diff --git a/tests/data/pipelines/config_provider_sys_unrecognized.pipe b/tests/data/pipelines/config_provider_sys_unrecognized.pipe
new file mode 100644
index 00000000..b071c4a2
--- /dev/null
+++ b/tests/data/pipelines/config_provider_sys_unrecognized.pipe
@@ -0,0 +1,2 @@
+config sysinfo
+  :unknown[ro]{SYS} unknown
diff --git a/tests/sprokit/pipeline_util/test_pipe_bakery.cxx b/tests/sprokit/pipeline_util/test_pipe_bakery.cxx
index d925569e..47e9f0e6 100644
--- a/tests/sprokit/pipeline_util/test_pipe_bakery.cxx
+++ b/tests/sprokit/pipeline_util/test_pipe_bakery.cxx
@@ -524,6 +524,26 @@ IMPLEMENT_TEST(config_provider_read_only_override)
                    "setting a read-only provided value");
 }
 
+IMPLEMENT_TEST(config_provider_sys)
+{
+  sprokit::pipe_blocks const blocks = sprokit::load_pipe_blocks_from_file(pipe_file);
+
+  sprokit::config_t const conf = sprokit::extract_configuration(blocks);
+
+  (void)conf;
+
+  /// \todo Test values.
+}
+
+IMPLEMENT_TEST(config_provider_sys_unrecognized)
+{
+  sprokit::pipe_blocks const blocks = sprokit::load_pipe_blocks_from_file(pipe_file);
+
+  EXPECT_EXCEPTION(sprokit::unrecognized_system_index_exception,
+                   sprokit::extract_configuration(blocks),
+                   "using an unrecognized SYS provider key");
+}
+
 IMPLEMENT_TEST(config_provider_unprovided)
 {
   sprokit::pipe_blocks const blocks = sprokit::load_pipe_blocks_from_file(pipe_file);